class ResourceReader(object):
config = None
def __init__(self):
self.mon = Monitor()
self.mon.on()
def read(self, pp_dir, pp_home, pp_profile):
"""
looks for resources.cfg in the profile, then in pp_home, then in the pi_presents directory.
returns True if it finds the resources.cfg, otherwise returns False
::param pp_dir: the PiPresents directory
::param pp_home: the current pp_home directory
::param pp_profile: the current profile directory
"""
if not ResourceReader.config:
profile_config = os.path.join(pp_profile, "resources.cfg")
home_config = os.path.join(pp_home, "resources.cfg")
pp_config = os.path.join(pp_dir, 'pp_home', "resources.cfg")
# try inside profile
if os.path.exists(profile_config):
config_path = profile_config
# try inside pp_home
elif os.path.exists(home_config):
config_path = home_config
# try in the pi presents directory
elif os.path.exists(pp_config):
config_path = pp_config
else:
# throw an error if we can't find any config files
self.mon.err(self, "resources.cfg not found at {0}, {1} or {2}".format(profile_config, home_config, pp_config))
return False
ResourceReader.config = ConfigParser.ConfigParser()
ResourceReader.config.read(config_path)
self.mon.log(self, "resources.cfg read from " + config_path)
return True
def get(self, section, item):
if not ResourceReader.config.has_option(section, item):
return False
else:
return ResourceReader.config.get(section, item)
class KbdDriver(object):
config = None
def __init__(self):
self.mon = Monitor()
# sets up tkinter keyboard events such that any key press
# does a callback to 'callback' with the event object and a symbolic name.
def bind_keys(self, widget, callback):
for option in KbdDriver.config.items("keys"):
condition = option[0]
symbolic_name = option[1]
# print condition,symbolic_name
widget.bind(condition, lambda event, name=symbolic_name: self.specific_key(callback, name))
# bind all the normal keys that return a printing character such that x produces pp-key-x
widget.bind("<Key>", lambda event: self.normal_key(callback, event))
def specific_key(self, callback, name):
callback(name, "KBD")
# alphanumeric keys- convert to symbolic by adding pp-key-
def normal_key(self, callback, event):
key = event.char
if key != "":
callback("pp-key-" + key, "KBD")
# read the key bindings from keys.cfg
def read(self, pp_dir, pp_home, pp_profile):
if KbdDriver.config is None:
# try inside profile
tryfile = pp_profile + os.sep + "pp_io_config" + os.sep + "keys.cfg"
if os.path.exists(tryfile):
self.mon.log(self, "Found keys.cfg in profile at: " + tryfile)
filename = tryfile
else:
# try inside pipresents
tryfile = pp_dir + os.sep + "pp_config" + os.sep + "keys.cfg"
if os.path.exists(tryfile):
filename = tryfile
self.mon.log(self, "Fallback keys.cfg found at " + tryfile)
else:
self.mon.log(self, "keys.cfg not found at " + tryfile)
self.mon.err(self, "keys.cfg not found in profile or fallback in Pi Presents")
return False
KbdDriver.config = ConfigParser.ConfigParser()
KbdDriver.config.optionxform = str
KbdDriver.config.read(filename)
self.mon.log(self, "keys.cfg read from " + filename)
if KbdDriver.config.has_section("keys") is False:
self.mon.err(self, "no [keys] section in keys.cfg")
return False
return True
def has_section(self, section):
if KbdDriver.config.has_section(section) is False:
return False
class ResourceReader:
config = None
def __init__(self):
self.mon = Monitor()
self.mon.on()
def read(self, pp_dir, pp_home, pp_profile):
if ResourceReader.config == None:
# try inside profile
tryfile = pp_profile + os.sep + "resources.cfg"
# self.mon.log(self,"Trying resources.cfg in profile at: "+ tryfile)
if os.path.exists(tryfile):
filename = tryfile
else:
# try inside pp_home
# self.mon.log(self,"resources.cfg not found at "+ tryfile+ " trying pp_home")
tryfile = pp_home + os.sep + "resources.cfg"
if os.path.exists(tryfile):
filename = tryfile
else:
# try inside pipresents
# self.mon.log(self,"resources.cfg not found at "+ tryfile + " trying inside pipresents")
tryfile = pp_dir + os.sep + 'pp_home' + os.sep + "resources.cfg"
if os.path.exists(tryfile):
filename = tryfile
else:
self.mon.log(self,
"resources.cfg not found at " + tryfile)
self.mon.err(self, "resources.cfg not found")
return False
ResourceReader.config = ConfigParser.ConfigParser()
ResourceReader.config.read(filename)
self.mon.log(self, "resources.cfg read from " + filename)
return True
def get(self, section, item):
if ResourceReader.config.has_option(section, item) == False:
return False
else:
return ResourceReader.config.get(section, item)
class ResourceReader:
config=None
def __init__(self):
self.mon=Monitor()
self.mon.on()
def read(self,pp_dir,pp_home,pp_profile):
if ResourceReader.config==None:
# try inside profile
tryfile=pp_profile+os.sep+"resources.cfg"
# self.mon.log(self,"Trying resources.cfg in profile at: "+ tryfile)
if os.path.exists(tryfile):
filename=tryfile
else:
# try inside pp_home
# self.mon.log(self,"resources.cfg not found at "+ tryfile+ " trying pp_home")
tryfile=pp_home+os.sep+"resources.cfg"
if os.path.exists(tryfile):
filename=tryfile
else:
# try inside pipresents
# self.mon.log(self,"resources.cfg not found at "+ tryfile + " trying inside pipresents")
tryfile=pp_dir+os.sep+'pp_home'+os.sep+"resources.cfg"
if os.path.exists(tryfile):
filename=tryfile
else:
self.mon.log(self,"resources.cfg not found at "+ tryfile)
self.mon.err(self,"resources.cfg not found")
return False
ResourceReader.config = ConfigParser.ConfigParser()
ResourceReader.config.read(filename)
self.mon.log(self,"resources.cfg read from "+ filename)
return True
def get(self,section,item):
if ResourceReader.config.has_option(section,item)==False:
return False
else:
return ResourceReader.config.get(section,item)
class ResourceReader:
config=None
def __init__(self):
self.mon=Monitor()
self.mon.on()
def read(self,pp_dir,pp_home):
if ResourceReader.config==None:
tryfile=pp_home+os.sep+"resources.cfg"
if os.path.exists(tryfile):
filename=tryfile
else:
self.mon.log(self,"Resources not found at "+ tryfile)
tryfile=pp_dir+os.sep+'pp_home'+os.sep+"resources.cfg"
if os.path.exists(tryfile):
filename=tryfile
else:
self.mon.log(self,"Resources not found at "+ tryfile)
self.mon.err(self,"resources.cfg not found")
return False
ResourceReader.config = ConfigParser.ConfigParser()
ResourceReader.config.read(filename)
self.mon.log(self,"Read resources from "+ filename)
return True
def get(self,section,item):
if ResourceReader.config.has_option(section,item)==False:
return False
else:
return ResourceReader.config.get(section,item)
class ResourceReader:
config = None
def __init__(self):
self.mon = Monitor()
self.mon.on()
def read(self, pp_dir, pp_home):
if ResourceReader.config == None:
tryfile = pp_home + os.sep + "resources.cfg"
if os.path.exists(tryfile):
filename = tryfile
else:
self.mon.log(self, "Resources not found at " + tryfile)
tryfile = pp_dir + os.sep + 'pp_home' + os.sep + "resources.cfg"
if os.path.exists(tryfile):
filename = tryfile
else:
self.mon.log(self, "Resources not found at " + tryfile)
self.mon.err(self, "resources.cfg not found")
return False
ResourceReader.config = ConfigParser.ConfigParser()
ResourceReader.config.read(filename)
self.mon.log(self, "Read resources from " + filename)
return True
def get(self, section, item):
if ResourceReader.config.has_option(section, item) == False:
return False
else:
return ResourceReader.config.get(section, item)
class VideoPlayer:
""" plays a track using omxplayer
See pp_imageplayer for common software design description
"""
_CLOSED = "omx_closed" #probably will not exist
_STARTING = "omx_starting" #track is being prepared
_PLAYING = "omx_playing" #track is playing to the screen, may be paused
_ENDING = "omx_ending" #track is in the process of ending due to quit or end of track
# ***************************************
# EXTERNAL COMMANDS
# ***************************************
def __init__(self,
show_id,
root,
canvas,
show_params,
track_params ,
pp_dir,
pp_home,
pp_profile):
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show_id=show_id
self.root=root
self.canvas = canvas
self.show_params=show_params
self.track_params=track_params
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
# get config from medialist if there.
if self.track_params['omx-audio']<>"":
self.omx_audio= self.track_params['omx-audio']
else:
self.omx_audio= self.show_params['omx-audio']
if self.omx_audio<>"": self.omx_audio= "-o "+ self.omx_audio
if self.track_params['omx-volume']<>"":
self.omx_volume= self.track_params['omx-volume']
else:
self.omx_volume= self.show_params['omx-volume']
if self.omx_volume<>"":
self.omx_volume= "--vol "+ str(int(self.omx_volume)*100) + ' '
if self.track_params['omx-window']<>'':
self.omx_window= self.track_params['omx-window']
else:
self.omx_window= self.show_params['omx-window']
# get background image from profile.
self.background_file=''
if self.track_params['background-image']<>"":
self.background_file= self.track_params['background-image']
else:
if self.track_params['display-show-background']=='yes':
self.background_file= self.show_params['background-image']
# get background colour from profile.
if self.track_params['background-colour']<>"":
self.background_colour= self.track_params['background-colour']
else:
self.background_colour= self.show_params['background-colour']
self.centre_x = int(self.canvas['width'])/2
self.centre_y = int(self.canvas['height'])/2
#get animation instructions from profile
self.animate_begin_text=self.track_params['animate-begin']
self.animate_end_text=self.track_params['animate-end']
# open the plugin Manager
self.pim=PluginManager(self.show_id,self.root,self.canvas,self.show_params,self.track_params,self.pp_dir,self.pp_home,self.pp_profile)
#create an instance of PPIO so we can create gpio events
self.ppio = PPIO()
# could put instance generation in play, not sure which is better.
self.omx=OMXDriver(self.canvas)
self.tick_timer=None
self.init_play_state_machine()
def play(self, track,
showlist,
end_callback,
ready_callback,
enable_menu=False):
#instantiate arguments
self.track=track
self.showlist=showlist
self.ready_callback=ready_callback #callback when ready to play
self.end_callback=end_callback # callback when finished
self.enable_menu = enable_menu
# callback to the calling object to e.g remove egg timer and enable click areas.
if self.ready_callback<>None:
self.ready_callback()
# create an instance of showmanager so we can control concurrent shows
self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
#set up video window
reason,message,comand,has_window,x1,y1,x2,y2= self.parse_window(self.omx_window)
if reason =='error':
self.mon.err(self,'omx window error: ' + message + ' in ' + self.omx_window)
self.end_callback(reason,message)
else:
if has_window==True:
self.omx_window= '--win " '+ str(x1) + ' ' + str(y1) + ' ' + str(x2) + ' ' + str(y2) + ' " '
else:
self.omx_window=''
# Control other shows at beginning
reason,message=self.show_manager.show_control(self.track_params['show-control-begin'])
if reason in ('error','killed'):
self.end_callback(reason,message)
self=None
else:
#display content
reason,message=self.display_content()
if reason == 'error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
# create animation events
reason,message=self.ppio.animate(self.animate_begin_text,id(self))
if reason=='error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
# start playing the video.
if self.play_state == VideoPlayer._CLOSED:
self.mon.log(self,">play track received")
self.start_play_state_machine(self.track)
else:
self.mon.err(self,'play track rejected')
self.end_callback('error','play track rejected')
self=None
def terminate(self,reason):
# circumvents state machine and does not wait for omxplayer to close
if self.omx<>None:
self.mon.log(self,"sent terminate to omxdriver")
self.omx.terminate(reason)
self.end('killed',' end without waiting for omxplayer to finish') # end without waiting
else:
self.mon.log(self,"terminate, omxdriver not running")
self.end('killed','terminate, mplayerdriver not running')
def input_pressed(self,symbol):
if symbol[0:4]=='omx-':
self.control(symbol[4])
elif symbol =='pause':
self.pause()
elif symbol=='stop':
self.stop()
else:
pass
def get_links(self):
return self.track_params['links']
# ***************************************
# INTERNAL FUNCTIONS
# ***************************************
# respond to normal stop
def stop(self):
# send signal to stop the track to the state machine
self.mon.log(self,">stop received")
self.quit_signal=True
#toggle pause
def pause(self):
if self.play_state in (VideoPlayer._PLAYING,VideoPlayer._ENDING):
self.omx.pause()
return True
else:
self.mon.log(self,"!<pause rejected")
return False
# other control when playing
def control(self,char):
if self.play_state==VideoPlayer._PLAYING and char not in ('q'):
self.mon.log(self,"> send control to omx: "+ char)
self.omx.control(char)
return True
else:
self.mon.log(self,"!<control rejected")
return False
# ***********************
# sequencing
# **********************
"""self. play_state controls the playing sequence, it has the following values.
I am not entirely sure the starting and ending states are required.
- _closed - the omx process is not running, omx process can be initiated
- _starting - omx process is running but is not yet able to receive controls
- _playing - playing a track, controls can be sent
- _ending - omx is doing its termination, controls cannot be sent
"""
def init_play_state_machine(self):
self.quit_signal=False
self.play_state=VideoPlayer._CLOSED
def start_play_state_machine(self,track):
#initialise all the state machine variables
#self.iteration = 0 # for debugging
self.quit_signal=False # signal that user has pressed stop
self.play_state=VideoPlayer._STARTING
#play the selected track
options=self.omx_audio+ " " + self.omx_volume + ' ' + self.omx_window + ' ' + self.show_params['omx-other-options']+" "
self.omx.play(track,options)
self.mon.log (self,'Playing track from show Id: '+ str(self.show_id))
# and start polling for state changes
self.tick_timer=self.canvas.after(50, self.play_state_machine)
def play_state_machine(self):
if self.play_state == VideoPlayer._CLOSED:
self.mon.log(self," State machine: " + self.play_state)
return
elif self.play_state == VideoPlayer._STARTING:
self.mon.log(self," State machine: " + self.play_state)
# if omxplayer is playing the track change to play state
if self.omx.start_play_signal==True:
self.mon.log(self," <start play signal received from omx")
self.omx.start_play_signal=False
self.play_state=VideoPlayer._PLAYING
self.mon.log(self," State machine: omx_playing started")
self.tick_timer=self.canvas.after(50, self.play_state_machine)
elif self.play_state == VideoPlayer._PLAYING:
# self.mon.log(self," State machine: " + self.play_state)
# service any queued stop signals
if self.quit_signal==True:
self.mon.log(self," Service stop required signal")
self.stop_omx()
self.quit_signal=False
# self.play_state = VideoPlayer._ENDING
# omxplayer reports it is terminating so change to ending state
if self.omx.end_play_signal:
self.mon.log(self," <end play signal received")
self.mon.log(self," <end detected at: " + str(self.omx.video_position))
if self.omx.end_play_reason<>'nice_day':
# deal with omxplayer not sending 'have a nice day'
self.mon.warn(self," <end detected at: " + str(self.omx.video_position))
self.mon.warn(self," <pexpect reports: "+self.omx.end_play_reason)
self.mon.warn(self,'pexpect.before is'+self.omx.xbefore)
self.play_state = VideoPlayer._ENDING
self.ending_count=0
self.tick_timer=self.canvas.after(200, self.play_state_machine)
elif self.play_state == VideoPlayer._ENDING:
self.mon.log(self," State machine: " + self.play_state)
# if spawned process has closed can change to closed state
self.mon.log (self," State machine : is omx process running? - " + str(self.omx.is_running()))
if self.omx.is_running() ==False:
self.mon.log(self," <omx process is dead")
self.play_state = VideoPlayer._CLOSED
self.end('normal','quit by user or system')
else:
self.ending_count+=1
if self.ending_count>10:
# deal with omxplayer not terminating at the end of a track
self.mon.warn(self," <omxplayer failed to close at: " + str(self.omx.video_position))
self.mon.warn(self,'pexpect.before is'+self.omx.xbefore)
self.omx.kill()
self.mon.warn(self,'omxplayer now terminated ')
self.play_state = VideoPlayer._CLOSED
self.end('normal','end from omxplayer failed to terminate')
else:
self.tick_timer=self.canvas.after(200, self.play_state_machine)
def stop_omx(self):
# send signal to stop the track to the state machine
self.mon.log(self," >stop omx received from state machine")
if self.play_state==VideoPlayer._PLAYING:
self.omx.stop()
return True
else:
self.mon.log(self,"!<stop rejected")
return False
# *****************
# ending the player
# *****************
def end(self,reason,message):
# stop the plugin
if self.track_params['plugin']<>'':
self.pim.stop_plugin()
# os.system("xrefresh -display :0")
# abort the timer
if self.tick_timer<>None:
self.canvas.after_cancel(self.tick_timer)
self.tick_timer=None
if reason in ('error','killed'):
self.end_callback(reason,message)
self=None
else:
# normal end so do show control and animation
# Control concurrent shows at end
reason,message=self.show_manager.show_control(self.track_params['show-control-end'])
if reason =='error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
# clear events list for this track
if self.track_params['animate-clear']=='yes':
self.ppio.clear_events_list(id(self))
# create animation events for ending
reason,message=self.ppio.animate(self.animate_begin_text,id(self))
if reason=='error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
self.end_callback('normal',"track has terminated or quit")
self=None
# *****************
# displaying things
# *****************
def display_content(self):
#background colour
if self.background_colour<>'':
self.canvas.config(bg=self.background_colour)
# delete previous content
self.canvas.delete('pp-content')
# background image
if self.background_file<>'':
self.background_img_file = self.complete_path(self.background_file)
if not os.path.exists(self.background_img_file):
self.mon.err(self,"Video background file not found: "+ self.background_img_file)
self.end('error',"Video background file not found")
else:
pil_background_img=PIL.Image.open(self.background_img_file)
self.background = PIL.ImageTk.PhotoImage(pil_background_img)
self.drawn = self.canvas.create_image(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
image=self.background,
anchor=CENTER,
tag='pp-content')
# execute the plugin if required
if self.track_params['plugin']<>'':
reason,message,self.track = self.pim.do_plugin(self.track,self.track_params['plugin'],)
if reason <> 'normal':
return reason,message
# display show text if enabled
if self.show_params['show-text']<> '' and self.track_params['display-show-text']=='yes':
self.canvas.create_text(int(self.show_params['show-text-x']),int(self.show_params['show-text-y']),
anchor=NW,
text=self.show_params['show-text'],
fill=self.show_params['show-text-colour'],
font=self.show_params['show-text-font'],
tag='pp-content')
# display track text if enabled
if self.track_params['track-text']<> '':
self.canvas.create_text(int(self.track_params['track-text-x']),int(self.track_params['track-text-y']),
anchor=NW,
text=self.track_params['track-text'],
fill=self.track_params['track-text-colour'],
font=self.track_params['track-text-font'],
tag='pp-content')
# display instructions if enabled
if self.enable_menu== True:
self.canvas.create_text(int(self.show_params['hint-x']),
int(self.show_params['hint-y']),
text=self.show_params['hint-text'],
fill=self.show_params['hint-colour'],
font=self.show_params['hint-font'],
anchor=NW,
tag='pp-content')
self.canvas.tag_raise('pp-click-area')
self.canvas.update_idletasks( )
return 'normal',''
# ****************
# utilities
# *****************
def complete_path(self,track_file):
# complete path of the filename of the selected entry
if track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Background image is "+ track_file)
return track_file
# original _
# warp _ or xy2
def parse_window(self,line):
fields = line.split()
# check there is a command field
if len(fields) < 1:
return 'error','no type field','',False,0,0,0,0
# deal with original which has 1
if fields[0]=='original':
if len(fields) <> 1:
return 'error','number of fields for original','',False,0,0,0,0
return 'normal','',fields[0],False,0,0,0,0
#deal with warp which has 1 or 5 arguments
# check basic syntax
if fields[0] <>'warp':
return 'error','not a valid type','',False,0,0,0,0
if len(fields) not in (1,5):
return 'error','wrong number of coordinates for warp','',False,0,0,0,0
# deal with window coordinates
if len(fields) == 5:
#window is specified
if not (fields[1].isdigit() and fields[2].isdigit() and fields[3].isdigit() and fields[4].isdigit()):
return 'error','coordinates are not positive integers','',False,0,0,0,0
has_window=True
return 'normal','',fields[0],has_window,int(fields[1]),int(fields[2]),int(fields[3]),int(fields[4])
else:
# fullscreen
has_window=True
return 'normal','',fields[0],has_window,0,0,self.canvas['width'],self.canvas['height']
class BrowserPlayer:
#state constants
_CLOSED = "player_closed" #probably will not exist
_STARTING = "player_starting" #uzbl beinf loaded and fifo created
_WAITING = "wait for timeout" # waiting for browser to appear on the screen
_PLAYING = "player_playing" #track is playing to the screen
_ENDING = "player_ending" #track is in the process of ending due to quit or duration exceeded
# ***************************************
# EXTERNAL COMMANDS
# ***************************************
def __init__(self,
show_id,
root,
canvas,
show_params,
track_params,
pp_dir,
pp_home,
pp_profile):
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show_id=show_id
self.root=root,
self.canvas = canvas
self.show_params=show_params
self.track_params=track_params
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
# get duration limit (secs ) from profile
if self.track_params['duration']<>"":
self.duration= int(self.track_params['duration'])
else:
self.duration= int(self.show_params['duration'])
self.duration_limit=20*self.duration
# get background image from profile.
self.background_file=''
if self.track_params['background-image']<>"":
self.background_file= self.track_params['background-image']
else:
if self.track_params['display-show-background']=='yes':
self.background_file= self.show_params['background-image']
# get background colour from profile.
if self.track_params['background-colour']<>"":
self.background_colour= self.track_params['background-colour']
else:
self.background_colour= self.show_params['background-colour']
#get animation instructions from profile
self.animate_begin_text=self.track_params['animate-begin']
self.animate_end_text=self.track_params['animate-end']
# open the plugin Manager
self.pim=PluginManager(self.show_id,self.root,self.canvas,self.show_params,self.track_params,self.pp_dir,self.pp_home,self.pp_profile)
#create an instance of PPIO so we can create gpio events
self.ppio = PPIO()
# could put instance generation in play, not sure which is better.
self.bplayer=uzblDriver(self.canvas)
self.command_timer=None
self.tick_timer=None
self.init_play_state_machine()
def play(self, track,
showlist,
end_callback,
ready_callback,
enable_menu=False):
#instantiate arguments
self.track=track
self.showlist=showlist
self.end_callback=end_callback # callback when finished
self.ready_callback=ready_callback #callback when ready to play
self.enable_menu=enable_menu
# callback to the calling object to e.g remove egg timer.
if self.ready_callback<>None:
self.ready_callback()
# create an instance of showmanager so we can control concurrent shows
self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
#web window
if self.track_params['web-window']<>'':
self.web_window= self.track_params['web-window']
else:
self.web_window= self.show_params['web-window']
reason,message,command,has_window,x1,y1,x2,y2=self.parse_window(self.web_window)
if reason =='error':
self.mon.err(self,'web window error: '+' ' + message + ' in ' + self.web_window)
self.end_callback(reason,message)
self=None
else:
#deal with web_window
if has_window==False:
self.geometry = ' --geometry=maximized '
else:
width=x2-x1
height=y2-y1
self.geometry = "--geometry=%dx%d%+d%+d " % (width,height,x1,y1)
# get browser commands
reason,message=self.parse_commands(self.track_params['browser-commands'])
if reason != 'normal':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
# Control other shows at beginning
reason,message=self.show_manager.show_control(self.track_params['show-control-begin'])
if reason == 'error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
#display content
reason,message=self.display_content()
if reason == 'error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
# create animation events
reason,message=self.ppio.animate(self.animate_begin_text,id(self))
if reason=='error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
# start playing the track.
self.start_play_state_machine()
def terminate(self,reason):
"""
terminate the player in special circumstances
normal user termination if by key_pressed 'stop'
reason will be killed or error
"""
# circumvents state machine to terminate lower level and then itself.
if self.bplayer<>None:
self.mon.log(self,"sent terminate to uzbldriver")
self.bplayer.terminate(reason)
self.end('killed',' end without waiting for uzbl to finish') # end without waiting
else:
self.mon.log(self,"terminate, uzbldriver not running")
self.end('killed','terminate, uzbldriver not running')
def get_links(self):
return self.track_params['links']
def input_pressed(self,symbol):
# print symbol, symbol[0:5]
if symbol[0:5]=='uzbl-':
self.control(symbol[5:])
elif symbol == 'pause':
self.pause()
elif symbol=='stop':
self.stop()
# ***************************************
# INTERNAL FUNCTIONS
# ***************************************
#browser do not do pause
def pause(self):
self.mon.log(self,"!<pause rejected")
return False
# other control when playing, not currently used
def control(self,char):
if self.play_state==BrowserPlayer._PLAYING and char not in ('exit'):
self.mon.log(self,"> send control to uzbl:"+ char)
self.bplayer.control(char)
return True
else:
self.mon.log(self,"!<control rejected")
return False
# respond to normal stop
def stop(self):
# send signal to stop the track to the state machine
self.mon.log(self,">stop received")
self.quit_signal=True
# ***************************************
# sequencing
# ***************************************
"""self. play_state controls the playing sequence, it has the following values.
I am not entirely sure the starting and ending states are required.
- _closed - the mplayer process is not running, mplayer process can be initiated
- _starting - mplayer process is running but is not yet able to receive controls
- _playing - playing a track, controls can be sent
- _ending - mplayer is doing its termination, controls cannot be sent
"""
def init_play_state_machine(self):
self.quit_signal=False
self.play_state=BrowserPlayer._CLOSED
def start_play_state_machine(self):
#initialise all the state machine variables
self.duration_count = 0
self.quit_signal=False # signal that user has pressed stop
#play the track
self.bplayer.play(self.track,self.geometry)
self.mon.log (self,'Playing track from show Id: '+ str(self.show_id))
self.play_state=BrowserPlayer._STARTING
# and start polling for state changes and count duration
self.tick_timer=self.canvas.after(50, self.play_state_machine)
def play_state_machine(self):
if self.play_state == BrowserPlayer._CLOSED:
self.mon.log(self," State machine: " + self.play_state)
return
elif self.play_state == BrowserPlayer._STARTING:
# self.mon.log(self," State machine: " + self.play_state)
# if uzbl fifo is available can send comands to uzbl but change to wait state to wait for it to appear on screen
if self.bplayer.start_play_signal==True:
self.mon.log(self," <fifo available signal received from uzbl")
self.bplayer.start_play_signal=False
self.play_state=BrowserPlayer._WAITING
# get rid of status bar
self.bplayer.control('set show_status = 0')
# and get ready to wait for browser to appear
self.wait_count= 50 # 10 seconds at 200mS steps
self.mon.log(self," State machine: uzbl process alive")
self.tick_timer=self.canvas.after(200, self.play_state_machine)
elif self.play_state == BrowserPlayer._WAITING:
if self.wait_count==0:
# set state to playing
self.play_state = BrowserPlayer._PLAYING
# and start executing the browser commands
self.play_commands()
self.mon.log(self," State machine: uzbl_playing started")
self.wait_count -=1
self.tick_timer=self.canvas.after(200, self.play_state_machine)
elif self.play_state == BrowserPlayer._PLAYING:
self.duration_count+=1
# self.mon.log(self," State machine: " + self.play_state)
# service any queued stop signals and test duration count
if self.quit_signal==True or (self.duration_limit>0 and self.duration_count>self.duration_limit):
self.mon.log(self," Service stop required signal or timeout")
# self.quit_signal=False
self.stop_bplayer()
self.play_state = BrowserPlayer._ENDING
# uzbl reports it is terminating so change to ending state
if self.bplayer.end_play_signal:
self.mon.log(self," <end play signal received")
self.play_state = BrowserPlayer._ENDING
self.tick_timer=self.canvas.after(50, self.play_state_machine)
elif self.play_state == BrowserPlayer._ENDING:
# self.mon.log(self," State machine: " + self.play_state)
# if spawned process has closed can change to closed state
# self.mon.log (self," State machine : is luakit process running? - " + str(self.bplayer.is_running()))
if self.bplayer.is_running() ==False:
self.mon.log(self," <uzbl process is dead")
if self.quit_signal==True:
self.quit_signal=False
self.play_state = BrowserPlayer._CLOSED
self.end('normal','quit required or timeout')
else:
self.tick_timer=self.canvas.after(50, self.play_state_machine)
def stop_bplayer(self):
# send signal to stop the track to the state machine
self.mon.log(self," >send stop to uzbl driver")
if self.play_state==BrowserPlayer._PLAYING:
self.bplayer.stop()
return True
else:
self.mon.log(self,"!<stop rejected")
return False
# *****************
# ending the player
# *****************
def end(self,reason,message):
# stop the plugin
if self.pim<>None:
self.pim.stop_plugin()
# abort the timers
if self.tick_timer<>None:
self.canvas.after_cancel(self.tick_timer)
self.tick_timer=None
if self.command_timer<>None:
self.canvas.after_cancel(self.command_timer)
self.tick_timer=None
# clean up and fifos and sockets left by uzbl
os.system('rm -f /tmp/uzbl_*')
if reason in ('error','killed'):
self.end_callback(reason,message)
self=None
else:
# normal end so do show control and animation
# Control concurrent shows at end
reason,message=self.show_manager.show_control(self.track_params['show-control-end'])
if reason =='error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
# clear events list for this track
if self.track_params['animate-clear']=='yes':
self.ppio.clear_events_list(id(self))
# create animation events for ending
reason,message=self.ppio.animate(self.animate_end_text,id(self))
if reason=='error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
self.end_callback('normal',"track has terminated or quit")
self=None
# *****************
# displaying things
# *****************
def display_content(self):
self.canvas.delete('pp-content')
#background colour
if self.background_colour<>'':
self.canvas.config(bg=self.background_colour)
if self.background_file<>'':
self.background_img_file = self.complete_path(self.background_file)
if not os.path.exists(self.background_img_file):
self.mon.err(self,"Audio background file not found: "+ self.background_img_file)
self.end('error',"Audio background file not found")
else:
pil_background_img=PIL.Image.open(self.background_img_file)
self.background = PIL.ImageTk.PhotoImage(pil_background_img)
self.drawn = self.canvas.create_image(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
image=self.background,
anchor=CENTER,
tag='pp-content')
# execute the plugin if required
if self.track_params['plugin']<>'':
reason,message,self.track = self.pim.do_plugin(self.track,self.track_params['plugin'],)
if reason <> 'normal':
return reason,message
# display hint text if enabled
if self.enable_menu== True:
self.canvas.create_text(int(self.show_params['hint-x']),
int(self.show_params['hint-y']),
text=self.show_params['hint-text'],
fill=self.show_params['hint-colour'],
font=self.show_params['hint-font'],
anchor=NW,
tag='pp-content')
# display show text if enabled
if self.show_params['show-text']<> ''and self.track_params['display-show-text']=='yes':
self.canvas.create_text(int(self.show_params['show-text-x']),int(self.show_params['show-text-y']),
anchor=NW,
text=self.show_params['show-text'],
fill=self.show_params['show-text-colour'],
font=self.show_params['show-text-font'],
tag='pp-content')
# display track text if enabled
if self.track_params['track-text']<> '':
self.canvas.create_text(int(self.track_params['track-text-x']),int(self.track_params['track-text-y']),
anchor=NW,
text=self.track_params['track-text'],
fill=self.track_params['track-text-colour'],
font=self.track_params['track-text-font'],
tag='pp-content')
self.mon.log(self,"Displayed background and text ")
self.canvas.tag_raise('pp-click-area')
self.canvas.update_idletasks( )
return 'normal',''
# *******************
# browser commands
# ***********************
def parse_commands(self,command_text):
self.command_list=[]
lines = command_text.split('\n')
for line in lines:
if line.strip()=="":
continue
reason,entry=self.parse_command(line)
if reason != 'normal':
return 'error',entry
self.command_list.append(copy.deepcopy(entry))
# print self.command_list
return 'normal',''
def parse_command(self,line):
fields = line.split()
if fields[0]=='uzbl':
# print fields[0], line[4:]
return 'normal',[fields[0],line[4:]]
if len(fields) not in (1,2):
return 'error',"incorrect number of fields in command: " + line
command=fields[0]
arg=''
if command not in ('load','refresh','wait','exit','loop'):
return 'error','unknown command: '+ command
if command in ('refresh','exit','loop') and len(fields)<>1:
return 'error','incorrect number of fields for '+ command + 'in: ' + line
if command == 'load':
if len(fields)<>2:
return 'error','incorrect number of fields for '+ command + 'in: ' + line
else:
arg = fields[1]
if command == 'wait':
if len(fields)<>2:
return 'error','incorrect number of fields for '+ command + 'in: ' + line
else:
arg = fields[1]
if not arg.isdigit():return 'error','Argument for Wait is not 0 or positive number in: ' + line
return 'normal',[command,arg]
def play_commands(self):
if len(self.command_list)==0:
return
self.loop=0
self.command_index=0
self.canvas.after(100,self.execute_command)
def execute_command(self):
entry=self.command_list[self.command_index]
command=entry[0]
arg=entry[1]
if self.command_index==len(self.command_list)-1:
self.command_index=self.loop
else:
self.command_index+=1
# execute command
if command == 'load':
#self.canvas.focus_force()
#self.root.lower()
file=self.complete_path(arg)
self.bplayer.control('uri '+ file)
self.command_timer=self.canvas.after(10,self.execute_command)
elif command == 'refresh':
self.bplayer.control('reload_ign_cache')
self.command_timer=self.canvas.after(10,self.execute_command)
elif command == 'wait':
self.command_timer=self.canvas.after(1000*int(arg),self.execute_command)
elif command=='exit':
self.quit_signal=True
elif command=='loop':
self.loop=self.command_index
self.command_timer=self.canvas.after(10,self.execute_command)
elif command=='uzbl':
self.bplayer.control(arg)
self.command_timer=self.canvas.after(10,self.execute_command)
# *****************
# utilities
# *****************
def complete_path(self,track_file):
# complete path of the filename of the selected entry
if track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Background image is "+ track_file)
return track_file
def parse_window(self,line):
# parses warp _ or xy2
fields = line.split()
# check there is a command field
if len(fields) < 1:
return 'error','no type field','',False,0,0,0,0
#deal with warp which has 1 or 5 arguments
# check basic syntax
if fields[0] <>'warp':
return 'error','not a valid type','',False,0,0,0,0
if len(fields) not in (1,5):
return 'error','wrong number of coordinates for warp','',False,0,0,0,0
# deal with window coordinates
if len(fields) == 5:
#window is specified
if not (fields[1].isdigit() and fields[2].isdigit() and fields[3].isdigit() and fields[4].isdigit()):
return 'error','coordinates are not positive integers','',False,0,0,0,0
has_window=True
return 'normal','',fields[0],has_window,int(fields[1]),int(fields[2]),int(fields[3]),int(fields[4])
else:
# fullscreen
has_window=False
return 'normal','',fields[0],has_window,0,0,0,0
class OSCDriver(object):
# executed by main program
def init(self,pp_profile,show_command_callback,input_event_callback,output_event_callback):
self.pp_profile=pp_profile
self.show_command_callback=show_command_callback
self.input_event_callback=input_event_callback
self.output_event_callback=output_event_callback
self.mon=Monitor()
config_file=self.pp_profile + os.sep +'pp_io_config'+os.sep+ 'osc.cfg'
if not os.path.exists(config_file):
self.mon.err(self, 'OSC Configuration file nof found: '+config_file)
return'error','OSC Configuration file nof found: '+config_file
self.mon.log(self, 'OSC Configuration file found at: '+config_file)
self.options=OSCConfig()
# only reads the data for required unit_type
if self.options.read(config_file) ==False:
return 'error','failed to read osc.cfg'
self.prefix='/pipresents'
self.this_unit='/' + self.options.this_unit_name
self.this_unit_type = self.options.this_unit_type
self.reply_client=None
self.command_client=None
self.client=None
self.server=None
if self.this_unit_type not in ('master','slave','master+slave'):
return 'error','this unit type not known: '+self.this_unit_type
if self.this_unit_type in('slave','master+slave'):
#start the client that sends replies to controlling unit
self.reply_client=OSC.OSCClient()
self.mon.log(self, 'sending replies to controller at: '+self.options.controlled_by_ip+':'+self.options.controlled_by_port)
self.reply_client.connect((self.options.controlled_by_ip,int(self.options.controlled_by_port)))
self.mon.log(self,'sending repiles to: '+ str(self.reply_client))
self.client=self.reply_client
if self.this_unit_type in ('master','master+slave'):
#start the client that sends commands to the controlled unit
self.command_client=OSC.OSCClient()
self.command_client.connect((self.options.controlled_unit_1_ip,int(self.options.controlled_unit_1_port)))
self.mon.log(self, 'sending commands to controled unit at: '+self.options.controlled_unit_1_ip+':'+self.options.controlled_unit_1_port)
self.mon.log(self,'sending commands to: '+str(self.command_client))
self.client=self.command_client
#start the listener's server
self.mon.log(self, 'listen to commands from controlled by unit and replies from controlled units on: ' + self.options.this_unit_ip+':'+self.options.this_unit_port)
self.server=myOSCServer((self.options.this_unit_ip,int(self.options.this_unit_port)),self.client)
# return_port=int(self.options.controlled_by_port)
self.mon.log(self,'listening on: '+str(self.server))
self.add_initial_handlers()
return 'normal','osc.cfg read'
def terminate(self):
if self.server != None:
self.server.close()
self.mon.log(self, 'Waiting for Server-thread to finish')
if self.st != None:
self.st.join() ##!!!
self.mon.log(self,'server thread closed')
self.client.close()
def start_server(self):
# Start OSCServer
self.mon.log(self,'Starting OSCServer')
self.st = threading.Thread( target = self.server.serve_forever )
self.st.start()
def add_initial_handlers(self):
self.server.addMsgHandler('default', self.no_match_handler)
self.server.addMsgHandler(self.prefix+self.this_unit+"/system/server-info", self.server_info_handler)
self.server.addMsgHandler(self.prefix+self.this_unit+"/system/loopback", self.loopback_handler)
self.server.addMsgHandler(self.prefix+ self.this_unit+'/core/open', self.open_show_handler)
self.server.addMsgHandler(self.prefix+ self.this_unit+'/core/close', self.close_show_handler)
self.server.addMsgHandler(self.prefix+ self.this_unit+'/core/exitpipresents', self.exitpipresents_handler)
self.server.addMsgHandler(self.prefix+ self.this_unit+'/core/shutdownnow', self.shutdownnow_handler)
self.server.addMsgHandler(self.prefix+ self.this_unit+'/core/event', self.input_event_handler)
self.server.addMsgHandler(self.prefix+ self.this_unit+'/core/output', self.output_event_handler)
def no_match_handler(self,addr, tags, stuff, source):
self.mon.warn(self,"no match for osc msg with addr : %s" % addr)
return None
def server_info_handler(self,addr, tags, stuff, source):
msg = OSC.OSCMessage(self.prefix+'/'+self.options.controlled_by_name+'/system/server-info-reply')
msg.append('Unit: '+ self.options.this_unit_name)
return msg
def loopback_handler(self,addr, tags, stuff, source):
# send a reply to the client.
msg = OSC.OSCMessage(self.prefix+'/'+self.options.controlled_by_name+'/system/loopback-reply')
return msg
def open_show_handler(self,address, tags, args, source):
self.prepare_show_command_callback('open ',args,1)
def close_show_handler(self,address, tags, args, source):
self.prepare_show_command_callback('close ', args,1)
def exitpipresents_handler(self,address, tags, args, source):
self.prepare_show_command_callback('exitpipresents',args,0)
def shutdownnow_handler(self,address, tags, args, source):
self.prepare_show_command_callback('shutdownnow',args,0)
def prepare_show_command_callback(self,command,args,limit):
if len(args) == limit:
if limit !=0:
self.show_command_callback(command+args[0])
else:
self.show_command_callback(command)
else:
self.mon.warn(self,'OSC show command does not have '+limit +' argument - ignoring')
def input_event_handler(self,address, tags, args, source):
if len(args) == 1:
self.input_event_callback(args[0],'OSC')
else:
self.mon.warn(self,'OSC input event does not have 1 argument - ignoring')
def output_event_handler(self,address, tags, args, source):
if len(args) !=0:
# delay symbol,param_type,param_values,req_time as a string
text='0 '
for arg in args:
text= text+ arg + ' '
text = text + '0'
self.output_event_callback(text)
else:
self.mon.warn(self,'OSC output event has no arguments - ignoring')
#send messages to controlled units
# parses the message string into fields and sends - NO error checking
def send_command(self,text):
self.mon.log(self,'send OSC Command: ' + text )
if self.this_unit_type not in ('master','remote','master+slave'):
self.mon.warn(self,'Unit is not an OSC Master, ignoring command')
return
fields=text.split()
address = fields[0]
# print 'ADDRESS'+address
address_fields=address[1:].split('/')
if address_fields[0] != 'pipresents':
self.mon.warn(self,'prefix is not pipresents: '+address_fields[0])
if address_fields[1] != self.options.controlled_unit_1_name:
self.mon.warn(self,'not sending OSC to the controlled unit: ' +self.options.controlled_unit_1_name + ' is '+ address_fields[1])
arg_list=fields[1:]
self.send(address,arg_list)
def send(self,address,arg_list):
# print self.command_client
msg = OSC.OSCMessage()
# print address
msg.setAddress(address)
for arg in arg_list:
# print arg
msg.append(arg)
self.command_client.send(msg)
class ShowManager:
# ShowManager manages PiPresents' concurrent shows. It does not manage sub-shows or child-shows.
# concurrent shows are always 'top level' shows:
# They can be started by the start show or by 'myshow start' in the Show Control field of players
# They can be stopped either by 'myshow stop' in the Show Control field in players
# or in the case of mediashows by making them single-run in its Repeat field
# a show with the same reference should not be run twice as there is no way to reference an individual instance when stopping
# ??? this could be changed as there is single-run to stop them, the stop command could stop all instances.
# Declare class variables
shows=[]
shutdown_required=False
SHOW_TEMPLATE=['',None]
SHOW_REF= 0 # show-reference - name of the show as in editor
SHOW_OBJ = 1 # the python object
def __init__(self,show_id,showlist,show_params,root,canvas,pp_dir,pp_profile,pp_home):
self.showlist=showlist
self.show_params=show_params
self.root=root
self.canvas=canvas
self.pp_dir=pp_dir
self.pp_profile=pp_profile
self.pp_home=pp_home
self.show_id=show_id
self.mon=Monitor()
self.mon.on()
# Initialise, first time through only in pipresents.py
def init(self,all_shows_ended_callback):
ShowManager.all_shows_ended_callback=all_shows_ended_callback
ShowManager.shows=[]
ShowManager.shutdown_required=False
# **************************************
# functions to manipulate show register
# **************************************
#adds a new concurrent show to the register if not already there, returns an index for use by start and stop
def register_show(self,ref):
registered=self.show_registered(ref)
if registered==-1:
ShowManager.shows.append(copy.deepcopy(ShowManager.SHOW_TEMPLATE))
index=len(ShowManager.shows)-1
ShowManager.shows[index][ShowManager.SHOW_REF]=ref
ShowManager.shows[index][ShowManager.SHOW_OBJ]=None
return index
else:
return registered
# is the show registered?
# can be used to return the index to the show
def show_registered(self,show_ref):
index=0
for show in ShowManager.shows:
if show[ShowManager.SHOW_REF]==show_ref:
return index
index+=1
return -1
# needs calling program to check that the show is not already running
def set_running(self,index,show_obj):
ShowManager.shows[index][ShowManager.SHOW_OBJ]=show_obj
# print 'running', ShowManager.shows
# print "started show ", ShowManager.shows[index][ShowManager.SHOW_REF]
# is the show running?
def show_running(self,index):
if ShowManager.shows[index][ShowManager.SHOW_OBJ]<>None:
return ShowManager.shows[index][ShowManager.SHOW_OBJ]
else:
return None
def set_stopped(self,index):
ShowManager.shows[index][ShowManager.SHOW_OBJ]=None
# print "stopped show ", ShowManager.shows[index][ShowManager.SHOW_REF]
#print 'stopping', ShowManager.shows
# are all shows stopped?
def all_shows_stopped(self):
all_stopped=True
for show in ShowManager.shows:
if show[ShowManager.SHOW_OBJ]<>None:
all_stopped=False
return all_stopped
# *********************************
# show control
# *********************************
# control initial shows from PiPresents so command is always start
def start_initial_shows(self,start_shows_text):
show_refs= start_shows_text.split()
fields=['','']
for show_ref in show_refs:
fields[0]=show_ref
fields[1]='start'
reason,message=self.control_a_show(fields)
if reason<>'normal':
return reason,message
#no shows started
return 'normal',''
# Control shows from Players so need to handle start and stop commands
def show_control(self,show_control_text):
lines = show_control_text.split('\n')
for line in lines:
if line.strip()=="":
continue
fields= line.split()
#control a show and return its ending reason
# print 'show control fields: ',fields
reason,message=self.control_a_show(fields)
if reason<>'normal':
return reason,message
#all commands done OK
return 'normal',''
def control_a_show(self,fields):
show_ref=fields[0]
show_command=fields[1]
if show_command=='start':
return self.start_show(show_ref)
elif show_command =='stop':
return self.stop_show(show_ref)
elif show_command=='exit':
return self.stop_all_shows()
elif show_command=='shutdownnow':
ShowManager.shutdown_required=True
return self.stop_all_shows()
else:
return 'error','command not recognised '+ show_command
def stop_show(self,show_ref):
index=self.show_registered(show_ref)
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Stopping show "+ show_ref + ' ' + str(index))
show_obj=self.show_running(index)
if show_obj<>None:
show_obj.managed_stop()
return 'normal','stopped a concurrent show'
def stop_all_shows(self):
for show in ShowManager.shows:
self.stop_show(show[ShowManager.SHOW_REF])
return 'normal','stopped all shows'
def start_show(self,show_ref):
show_index = self.showlist.index_of_show(show_ref)
if show_index <0:
return 'error',"Show not found in showlist: "+ show_ref
show=self.showlist.show(show_index)
index=self.register_show(show_ref)
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Starting show "+ show_ref + ' ' + str(index))
if self.show_running(index):
self.mon.log(self,"show already running "+show_ref)
return 'normal','this concurrent show already running'
if show['type']=="mediashow":
show_obj = MediaShow(show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.set_running(index,show_obj)
show_obj.play(index,self._end_play_show,None,top=True,command='nil')
return 'normal','concurrent show started'
if show['type']=="radiobuttonshow":
show_obj = RadioButtonShow(show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.set_running(index,show_obj)
show_obj.play(index,self._end_play_show,None,top=True,command='nil')
return 'normal','concurrent show started'
if show['type']=="hyperlinkshow":
show_obj = HyperlinkShow(show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.set_running(index,show_obj)
show_obj.play(index,self._end_play_show,None,top=True,command='nil')
return 'normal','concurrent show started'
elif show['type']=="menu":
show_obj = MenuShow(show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.set_running(index,show_obj)
show_obj.play(index,self._end_play_show,None,top=True,command='nil')
return 'normal','concurrent show started'
elif show['type']=="liveshow":
show_obj= LiveShow(show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.set_running(index,show_obj)
show_obj.play(index,self._end_play_show,None,top=True,command='nil')
return 'normal','concurrent show started'
else:
return 'error',"unknown show type in start concurrent show - "+ show['type']
def _end_play_show(self,index,reason,message):
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Returned from show with message: "+ message)
# print 'returned to showplayer'
self.set_stopped(index)
if self.all_shows_stopped()==True:
ShowManager.all_shows_ended_callback('normal','All shows ended',ShowManager.shutdown_required)
return reason,message
class VideoPlayer:
""" plays a track using omxplayer
See pp_imageplayer for common software design description
"""
_CLOSED = "omx_closed" #probably will not exist
_STARTING = "omx_starting" #track is being prepared
_PLAYING = "omx_playing" #track is playing to the screen, may be paused
_ENDING = "omx_ending" #track is in the process of ending due to quit or end of track
# ***************************************
# EXTERNAL COMMANDS
# ***************************************
def __init__(self,
show_id,
root,
canvas,
show_params,
track_params ,
pp_dir,
pp_home,
pp_profile):
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show_id=show_id
self.root=root
self.canvas = canvas
self.show_params=show_params
self.track_params=track_params
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
# get config from medialist if there.
if self.track_params['omx-audio']<>"":
self.omx_audio= self.track_params['omx-audio']
else:
self.omx_audio= self.show_params['omx-audio']
if self.omx_audio<>"": self.omx_audio= "-o "+ self.omx_audio
if self.track_params['omx-volume']<>"":
self.omx_volume= self.track_params['omx-volume']
else:
self.omx_volume= self.show_params['omx-volume']
if self.omx_volume<>"":
self.omx_volume= "--vol "+ str(int(self.omx_volume)*100) + ' '
if self.track_params['omx-window']<>'':
self.omx_window= self.track_params['omx-window']
else:
self.omx_window= self.show_params['omx-window']
# get background image from profile.
self.background_file=''
if self.track_params['background-image']<>"":
self.background_file= self.track_params['background-image']
else:
if self.track_params['display-show-background']=='yes':
self.background_file= self.show_params['background-image']
# get background colour from profile.
if self.track_params['background-colour']<>"":
self.background_colour= self.track_params['background-colour']
else:
self.background_colour= self.show_params['background-colour']
self.centre_x = int(self.canvas['width'])/2
self.centre_y = int(self.canvas['height'])/2
#get animation instructions from profile
self.animate_begin_text=self.track_params['animate-begin']
self.animate_end_text=self.track_params['animate-end']
# open the plugin Manager
self.pim=PluginManager(self.show_id,self.root,self.canvas,self.show_params,self.track_params,self.pp_dir,self.pp_home,self.pp_profile)
#create an instance of PPIO so we can create gpio events
self.ppio = PPIO()
# could put instance generation in play, not sure which is better.
self.omx=OMXDriver(self.canvas)
self.tick_timer=None
self.init_play_state_machine()
def play(self, track,
showlist,
end_callback,
ready_callback,
enable_menu=False):
#instantiate arguments
self.track=track
self.showlist=showlist
self.ready_callback=ready_callback #callback when ready to play
self.end_callback=end_callback # callback when finished
self.enable_menu = enable_menu
# callback to the calling object to e.g remove egg timer and enable click areas.
if self.ready_callback<>None:
self.ready_callback()
# create an instance of showmanager so we can control concurrent shows
self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
#set up video window
reason,message,comand,has_window,x1,y1,x2,y2= self.parse_window(self.omx_window)
if reason =='error':
self.mon.err(self,'omx window error: ' + message + ' in ' + self.omx_window)
self.end_callback(reason,message)
else:
if has_window==True:
self.omx_window= '--win " '+ str(x1) + ' ' + str(y1) + ' ' + str(x2) + ' ' + str(y2) + ' " '
else:
self.omx_window=''
# Control other shows at beginning
reason,message=self.show_manager.show_control(self.track_params['show-control-begin'])
if reason in ('error','killed'):
self.end_callback(reason,message)
self=None
else:
#display content
reason,message=self.display_content()
if reason == 'error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
# create animation events
reason,message=self.ppio.animate(self.animate_begin_text,id(self))
if reason=='error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
# start playing the video.
if self.play_state == VideoPlayer._CLOSED:
self.mon.log(self,">play track received")
self.start_play_state_machine(self.track)
else:
self.mon.err(self,'play track rejected')
self.end_callback('error','play track rejected')
self=None
def terminate(self,reason):
# circumvents state machine and does not wait for omxplayer to close
if self.omx<>None:
self.mon.log(self,"sent terminate to omxdriver")
self.omx.terminate(reason)
self.end('killed',' end without waiting for omxplayer to finish') # end without waiting
else:
self.mon.log(self,"terminate, omxdriver not running")
self.end('killed','terminate, mplayerdriver not running')
def input_pressed(self,symbol):
if symbol[0:4]=='omx-':
self.control(symbol[4])
elif symbol =='pause':
self.pause()
elif symbol=='stop':
self.stop()
else:
pass
def get_links(self):
return self.track_params['links']
# ***************************************
# INTERNAL FUNCTIONS
# ***************************************
# respond to normal stop
def stop(self):
# send signal to stop the track to the state machine
self.mon.log(self,">stop received")
self.quit_signal=True
#toggle pause
def pause(self):
if self.play_state in (VideoPlayer._PLAYING,VideoPlayer._ENDING):
self.omx.pause()
return True
#NIK
# for pausing video after first frame
elif self.play_state == VideoPlayer._STARTING:
self.omx.delayed_pause = True
return True
#NIK
else:
self.mon.log(self,"!<pause rejected")
return False
# other control when playing
def control(self,char):
if self.play_state==VideoPlayer._PLAYING and char not in ('q'):
self.mon.log(self,"> send control to omx: "+ char)
self.omx.control(char)
return True
else:
self.mon.log(self,"!<control rejected")
return False
# ***********************
# sequencing
# **********************
"""self. play_state controls the playing sequence, it has the following values.
I am not entirely sure the starting and ending states are required.
- _closed - the omx process is not running, omx process can be initiated
- _starting - omx process is running but is not yet able to receive controls
- _playing - playing a track, controls can be sent
- _ending - omx is doing its termination, controls cannot be sent
"""
def init_play_state_machine(self):
self.quit_signal=False
self.play_state=VideoPlayer._CLOSED
def start_play_state_machine(self,track):
#initialise all the state machine variables
#self.iteration = 0 # for debugging
self.quit_signal=False # signal that user has pressed stop
self.play_state=VideoPlayer._STARTING
#play the selected track
options=self.omx_audio+ " " + self.omx_volume + ' ' + self.omx_window + ' ' + self.show_params['omx-other-options']+" "
# NIK ADDITION
# adding subtitles file for video
if 'omx-subtitles' in self.track_params and self.track_params['omx-subtitles'] <> '':
subtitles_full_path = self.complete_path(self.track_params['omx-subtitles'])
if os.path.exists (subtitles_full_path):
options += '--font-size 40 --subtitles "' + subtitles_full_path + '" '
if 'omx-subtitles-numlines' in self.track_params and self.track_params['omx-subtitles-numlines'] <> '':
options += '--lines ' + self.track_params['omx-subtitles-numlines'] + ' '
# END NIK ADDITION
self.omx.play(track,options)
self.mon.log (self,'Playing track from show Id: '+ str(self.show_id))
# and start polling for state changes
self.tick_timer=self.canvas.after(50, self.play_state_machine)
def play_state_machine(self):
if self.play_state == VideoPlayer._CLOSED:
self.mon.log(self," State machine: " + self.play_state)
return
elif self.play_state == VideoPlayer._STARTING:
self.mon.log(self," State machine: " + self.play_state)
# if omxplayer is playing the track change to play state
if self.omx.start_play_signal==True:
self.mon.log(self," <start play signal received from omx")
self.omx.start_play_signal=False
self.play_state=VideoPlayer._PLAYING
self.mon.log(self," State machine: omx_playing started")
self.tick_timer=self.canvas.after(50, self.play_state_machine)
elif self.play_state == VideoPlayer._PLAYING:
# self.mon.log(self," State machine: " + self.play_state)
# service any queued stop signals
if self.quit_signal==True:
self.mon.log(self," Service stop required signal")
self.stop_omx()
self.quit_signal=False
# self.play_state = VideoPlayer._ENDING
# omxplayer reports it is terminating so change to ending state
if self.omx.end_play_signal:
self.mon.log(self," <end play signal received")
self.mon.log(self," <end detected at: " + str(self.omx.video_position))
if self.omx.end_play_reason<>'nice_day':
# deal with omxplayer not sending 'have a nice day'
self.mon.warn(self," <end detected at: " + str(self.omx.video_position))
self.mon.warn(self," <pexpect reports: "+self.omx.end_play_reason)
self.mon.warn(self,'pexpect.before is'+self.omx.xbefore)
self.play_state = VideoPlayer._ENDING
self.ending_count=0
self.tick_timer=self.canvas.after(200, self.play_state_machine)
elif self.play_state == VideoPlayer._ENDING:
self.mon.log(self," State machine: " + self.play_state)
# if spawned process has closed can change to closed state
self.mon.log (self," State machine : is omx process running? - " + str(self.omx.is_running()))
if self.omx.is_running() ==False:
self.mon.log(self," <omx process is dead")
self.play_state = VideoPlayer._CLOSED
self.end('normal','quit by user or system')
else:
self.ending_count+=1
if self.ending_count>10:
# deal with omxplayer not terminating at the end of a track
self.mon.warn(self," <omxplayer failed to close at: " + str(self.omx.video_position))
self.mon.warn(self,'pexpect.before is'+self.omx.xbefore)
self.omx.kill()
self.mon.warn(self,'omxplayer now terminated ')
self.play_state = VideoPlayer._CLOSED
self.end('normal','end from omxplayer failed to terminate')
else:
self.tick_timer=self.canvas.after(200, self.play_state_machine)
def stop_omx(self):
# send signal to stop the track to the state machine
self.mon.log(self," >stop omx received from state machine")
if self.play_state==VideoPlayer._PLAYING:
self.omx.stop()
return True
else:
self.mon.log(self,"!<stop rejected")
return False
# *****************
# ending the player
# *****************
def end(self,reason,message):
# stop the plugin
if self.track_params['plugin']<>'':
self.pim.stop_plugin()
# os.system("xrefresh -display :0")
# abort the timer
if self.tick_timer<>None:
self.canvas.after_cancel(self.tick_timer)
self.tick_timer=None
if reason in ('error','killed'):
self.end_callback(reason,message)
self=None
else:
# normal end so do show control and animation
# Control concurrent shows at end
reason,message=self.show_manager.show_control(self.track_params['show-control-end'])
if reason =='error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
# clear events list for this track
if self.track_params['animate-clear']=='yes':
self.ppio.clear_events_list(id(self))
# create animation events for ending
reason,message=self.ppio.animate(self.animate_end_text,id(self))
if reason=='error':
self.mon.err(self,message)
self.end_callback(reason,message)
self=None
else:
self.end_callback('normal',"track has terminated or quit")
self=None
# *****************
# displaying things
# *****************
def display_content(self):
#background colour
if self.background_colour<>'':
self.canvas.config(bg=self.background_colour)
# delete previous content
self.canvas.delete('pp-content')
# background image
if self.background_file<>'':
self.background_img_file = self.complete_path(self.background_file)
if not os.path.exists(self.background_img_file):
self.mon.err(self,"Video background file not found: "+ self.background_img_file)
self.end('error',"Video background file not found")
else:
pil_background_img=PIL.Image.open(self.background_img_file)
self.background = PIL.ImageTk.PhotoImage(pil_background_img)
self.drawn = self.canvas.create_image(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
image=self.background,
anchor=CENTER,
tag='pp-content')
# execute the plugin if required
if self.track_params['plugin']<>'':
reason,message,self.track = self.pim.do_plugin(self.track,self.track_params['plugin'],)
if reason <> 'normal':
return reason,message
# display show text if enabled
if self.show_params['show-text']<> '' and self.track_params['display-show-text']=='yes':
self.canvas.create_text(int(self.show_params['show-text-x']),int(self.show_params['show-text-y']),
anchor=NW,
text=self.show_params['show-text'],
fill=self.show_params['show-text-colour'],
font=self.show_params['show-text-font'],
tag='pp-content')
# display track text if enabled
if self.track_params['track-text']<> '':
self.canvas.create_text(int(self.track_params['track-text-x']),int(self.track_params['track-text-y']),
anchor=NW,
text=self.track_params['track-text'],
fill=self.track_params['track-text-colour'],
font=self.track_params['track-text-font'],
tag='pp-content')
# display instructions if enabled
if self.enable_menu== True:
self.canvas.create_text(int(self.show_params['hint-x']),
int(self.show_params['hint-y']),
text=self.show_params['hint-text'],
fill=self.show_params['hint-colour'],
font=self.show_params['hint-font'],
anchor=NW,
tag='pp-content')
self.canvas.tag_raise('pp-click-area')
self.canvas.update_idletasks( )
return 'normal',''
# ****************
# utilities
# *****************
def complete_path(self,track_file):
# complete path of the filename of the selected entry
if track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Background image is "+ track_file)
return track_file
# original _
# warp _ or xy2
def parse_window(self,line):
fields = line.split()
# check there is a command field
if len(fields) < 1:
return 'error','no type field','',False,0,0,0,0
# deal with original which has 1
if fields[0]=='original':
if len(fields) <> 1:
return 'error','number of fields for original','',False,0,0,0,0
return 'normal','',fields[0],False,0,0,0,0
#deal with warp which has 1 or 5 arguments
# check basic syntax
if fields[0] <>'warp':
return 'error','not a valid type','',False,0,0,0,0
if len(fields) not in (1,5):
return 'error','wrong number of coordinates for warp','',False,0,0,0,0
# deal with window coordinates
if len(fields) == 5:
#window is specified
if not (fields[1].isdigit() and fields[2].isdigit() and fields[3].isdigit() and fields[4].isdigit()):
return 'error','coordinates are not positive integers','',False,0,0,0,0
has_window=True
return 'normal','',fields[0],has_window,int(fields[1]),int(fields[2]),int(fields[3]),int(fields[4])
else:
# fullscreen
has_window=True
return 'normal','',fields[0],has_window,0,0,self.canvas['width'],self.canvas['height']
class MediaList:
"""
manages a media list of tracks and the track selected from the medialist
"""
def __init__(self):
self.clear()
self.mon = Monitor()
self.mon.on()
# Functions for the editor dealing with complete list
def clear(self):
self._tracks = [] #MediaList, stored as a list of dicts
self._num_tracks = 0
self._selected_track_index = -1 # index of currently selected track
def print_list(self):
print self._tracks
def first(self):
self.select(0)
def length(self):
return self._num_tracks
def append(self, track_dict):
"""appends a track dictionary to the end of the medialist store"""
self._tracks.append(copy.deepcopy(track_dict))
self._num_tracks += 1
def update(self, index, values):
self._tracks[index].update(values)
def remove(self, index):
self._tracks.pop(index)
self._num_tracks -= 1
# deselect any track, saves worrying about whether index needs changing
self._selected_track_index = -1
def move_up(self):
if self._selected_track_index <> 0:
self._tracks.insert(self._selected_track_index - 1,
self._tracks.pop(self._selected_track_index))
self.select(self._selected_track_index - 1)
def move_down(self):
if self._selected_track_index <> self._num_tracks - 1:
self._tracks.insert(self._selected_track_index + 1,
self._tracks.pop(self._selected_track_index))
self.select(self._selected_track_index + 1)
def replace(self, index, replacement):
self._tracks[index] = replacement
# Common functions work for anything
def track_is_selected(self):
if self._selected_track_index >= 0:
return True
else:
return False
def selected_track_index(self):
return self._selected_track_index
def track(self, index):
return self._tracks[index]
def selected_track(self):
"""returns a dictionary containing all fields in the selected track """
return self._selected_track
def select(self, index):
"""does housekeeping necessary when a track is selected"""
if self._num_tracks > 0 and index >= 0 and index < self._num_tracks:
self._selected_track_index = index
self._selected_track = self._tracks[index]
return True
else:
return False
# Dealing with anonymous tracks for use and display
def at_end(self):
# true is selected track is last anon
index = self._num_tracks - 1
while index >= 0:
if self._tracks[index]['track-ref'] == "":
end = index
if self._selected_track_index == end:
return True
else:
return False
index -= 1
return False
def index_of_end(self):
index = self._num_tracks - 1
while index >= 0:
if self._tracks[index]['track-ref'] == "":
return index
index -= 1
return -1
def at_start(self):
index = 0
while index < self._num_tracks:
if self._tracks[index]['track-ref'] == "":
start = index
if self._selected_track_index == start:
return True
else:
return False
index += 1
return False
def index_of_start(self):
index = 0
while index < self._num_tracks:
if self._tracks[index]['track-ref'] == "":
return index
index += 1
return False
def display_length(self):
count = 0
index = 0
while index < self._num_tracks:
if self._tracks[index]['track-ref'] == "":
count += 1
index += 1
return count
def start(self):
# select first anymous track in the list
index = 0
while index < self._num_tracks:
if self._tracks[index]['track-ref'] == "":
self.select(index)
return True
index += 1
return False
def finish(self):
# select first anymous track in the list
index = self._num_tracks - 1
while index >= 0:
if self._tracks[index]['track-ref'] == "":
self.select(index)
return True
index -= 1
return False
def next(self):
if self._selected_track_index == self._num_tracks - 1:
index = 0
else:
index = self._selected_track_index + 1
end = self._selected_track_index
while index <> end:
if self._tracks[index]['track-ref'] == "":
self.select(index)
return True
if index == self._num_tracks - 1:
index = 0
else:
index = index + 1
return False
def previous(self):
if self._selected_track_index == 0:
index = self._num_tracks - 1
else:
index = self._selected_track_index - 1
end = self._selected_track_index
while index <> end:
if self._tracks[index]['track-ref'] == "":
self.select(index)
return True
if index == 0:
index = self._num_tracks - 1
else:
index = index - 1
return False
# Lookup for labelled tracks
def index_of_track(self, wanted_track):
index = 0
for track in self._tracks:
if track['track-ref'] == wanted_track:
return index
index += 1
return -1
# open and save
def open_list(self, filename, showlist_issue):
"""
opens a saved medialist
medialists are stored as json arrays.
"""
ifile = open(filename, 'rb')
mdict = json.load(ifile)
ifile.close()
self._tracks = mdict['tracks']
if 'issue' in mdict:
self.issue = mdict['issue']
else:
self.issue = "1.0"
if self.issue == showlist_issue:
self._num_tracks = len(self._tracks)
self._selected_track_index = -1
return True
else:
return False
def issue(self):
return self.issue
def save_list(self, filename):
""" save a medialist """
if filename == "":
return False
dic = {'issue': self.issue, 'tracks': self._tracks}
filename = str(filename)
filename = string.replace(filename, '\\', '/')
tries = 1
while tries <= 10:
# print "save medialist ",filename
try:
ofile = open(filename, "wb")
json.dump(dic, ofile, sort_keys=True, indent=1)
ofile.close()
self.mon.log(self, "Saved medialist " + filename)
break
except IOError:
self.mon.err(
self,
"failed to save medialist, trying again " + str(tries))
tries += 1
return
# for the future
def open_csv(self, filename):
"""
opens a saved csv medialist
"""
if filename != "" and os.path.exists(filename):
ifile = open(filename, 'rb')
pl = csv.reader(ifile)
for pl_row in pl:
if len(pl_row) != 0:
entry = dict([('type', pl_row[2]), ('location', pl_row[0]),
('title', pl_row[1])])
self.append(copy.deepcopy(entry))
ifile.close()
return True
else:
return False
class OSCMonitor(object):
def __init__(self):
self.editor_issue="1.3"
# get command options
self.command_options=remote_options()
# get directory holding the code
self.pp_dir=sys.path[0]
if not os.path.exists(self.pp_dir+os.sep+"pipresents.py"):
tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
exit()
# Initialise logging
Monitor.log_path=self.pp_dir
self.mon=Monitor()
self.mon.init()
Monitor.classes = ['OSCMonitor','OSCConfig','OSCEditor']
Monitor.log_level = int(self.command_options['debug'])
self.mon.log (self, "Pi Presents Monitor is starting")
self.mon.log (self," OS and separator " + os.name +' ' + os.sep)
self.mon.log(self,"sys.path[0] - location of code: code "+sys.path[0])
self.setup_gui()
# initialise OSC config class
self.osc_config=OSCConfig()
self.init()
#and start the system
self.root.after(1000,self.run_app)
self.root.mainloop()
def init(self):
# read the options and allow their editing
self.osc_config_file = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_oscmonitor.cfg'
self.read_create_osc()
def add_status(self,text):
self.status_display.insert(END,text+'\n')
self.status_display.see(END)
def run_app(self):
self.client=None
self.server=None
self.st=None
# initialise OSC variables
self.prefix='/pipresents'
self.this_unit='/' + self.osc_config.this_unit_name
self.add_status('this unit is: '+self.this_unit)
self.controlled_by_unit='/'+self.osc_config.controlled_by_name
self.add_status('controlled by unit : '+self.controlled_by_unit)
#connect client for replies then start server to listen for commands
self.client = OSC.OSCClient()
self.add_status('connecting to controlled by unit: '+self.osc_config.controlled_by_ip+':'+self.osc_config.controlled_by_port +' '+self.osc_config.controlled_by_name)
self.client.connect((self.osc_config.controlled_by_ip,int(self.osc_config.controlled_by_port)))
self.add_status('listening for commands on:'+self.osc_config.this_unit_ip+':'+self.osc_config.this_unit_port)
self.init_server(self.osc_config.this_unit_ip,self.osc_config.this_unit_port,self.client)
self.add_initial_handlers()
self.start_server()
# ***************************************
# OSC CLIENT TO SEND REPLIES
# ***************************************
def disconnect_client(self):
if self.client != None:
self.client.close()
return
# ***************************************
# OSC SERVER TO LISTEN TO COMMANDS
# ***************************************
def init_server(self,ip,port_text,client):
self.add_status('Init Server: '+ip+':'+port_text)
self.server = myOSCServer((ip,int(port_text)),client)
def start_server(self):
self.add_status('Start Server')
self.st = threading.Thread( target = self.server.serve_forever )
self.st.start()
def close_server(self):
if self.server != None:
self.server.close()
self.mon.log(self, 'Waiting for Server-thread to finish')
if self.st != None:
self.st.join() ##!!!
self.mon.log(self,'server thread closed')
def add_initial_handlers(self):
pass
self.server.addMsgHandler('default', self.no_match_handler)
self.server.addMsgHandler(self.prefix+self.this_unit+"/system/server-info", self.server_info_handler)
self.server.addMsgHandler(self.prefix+self.this_unit+"/system/loopback", self.loopback_handler)
def no_match_handler(self,addr, tags, stuff, source):
text= "Message from %s" % OSC.getUrlStr(source)+'\n'
text+= " %s" % addr+ self.pretty_list(stuff)
self.add_status(text+'\n')
def server_info_handler(self,addr, tags, stuff, source):
msg = OSC.OSCMessage(self.prefix+self.controlled_by_unit+'/system/server-info-reply')
msg.append('Unit: '+ self.osc_config.this_unit_name)
self.add_status('Server Info Request from %s:' % OSC.getUrlStr(source))
return msg
def loopback_handler(self,addr, tags, stuff, source):
# send a reply to the client.
msg = OSC.OSCMessage(self.prefix+self.controlled_by_unit+'/system/loopback-reply')
self.add_status('Loopback Request from %s:' % OSC.getUrlStr(source))
return msg
def pretty_list(self,fields):
text=' '
for field in fields:
text += str(field) + ' '
return text
# ***************************************
# INIT EXIT MISC
# ***************************************
def e_edit_osc(self):
self.disconnect_client()
self.close_server()
self.edit_osc()
self.init()
self.add_status('\n\n\nRESTART')
self.run_app()
def app_exit(self):
self.disconnect_client()
self.close_server()
if self.root is not None:
self.root.destroy()
self.mon.finish()
sys.exit()
def show_help (self):
tkMessageBox.showinfo("Help","Read 'manual.pdf'")
def about (self):
tkMessageBox.showinfo("About","Simple Remote Monitor for Pi Presents\n"
+"Author: Ken Thompson"
+"\nWebsite: http://pipresents.wordpress.com/")
def setup_gui(self):
# set up the gui
# root is the Tkinter root widget
self.root = Tk()
self.root.title("Remote Monitor for Pi Presents")
# self.root.configure(background='grey')
self.root.resizable(False,False)
# define response to main window closing
self.root.protocol ("WM_DELETE_WINDOW", self.app_exit)
# bind some display fields
self.filename = StringVar()
self.display_show = StringVar()
self.results = StringVar()
self.status = StringVar()
# define menu
menubar = Menu(self.root)
toolsmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='Tools', menu = toolsmenu)
osc_configmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='Options', menu = osc_configmenu)
osc_configmenu.add_command(label='Edit', command = self.e_edit_osc)
helpmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='Help', menu = helpmenu)
helpmenu.add_command(label='Help', command = self.show_help)
helpmenu.add_command(label='About', command = self.about)
self.root.config(menu=menubar)
# status_frame
status_frame=Frame(self.root,padx=5,pady=5)
status_frame.pack(side=TOP, fill=BOTH, expand=1)
status_label = Label(status_frame, text="Status",font="arial 12 bold")
status_label.pack(side=LEFT)
scrollbar = Scrollbar(status_frame, orient=VERTICAL)
self.status_display=Text(status_frame,height=10, yscrollcommand=scrollbar.set)
scrollbar.config(command=self.status_display.yview)
scrollbar.pack(side=RIGHT, fill=Y)
self.status_display.pack(side=LEFT,fill=BOTH, expand=1)
# ***************************************
# OSC CONFIGURATION
# ***************************************
def read_create_osc(self):
if self.osc_config.read(self.osc_config_file) is False:
self.osc_config.create(self.osc_config_file)
eosc = OSCEditor(self.root, self.osc_config_file,'slave','Create OSC Monitor Configuration')
self.osc_config.read(self.osc_config_file)
def edit_osc(self):
if self.osc_config.read(self.osc_config_file) is False:
self.osc_config.create(self.osc_config_file)
eosc = OSCEditor(self.root, self.osc_config_file,'slave','Edit OSC Monitor Configuration')
class Player(object):
# common bits of __init__(...)
def __init__(
self,
show_id,
showlist,
root,
canvas,
show_params,
track_params,
pp_dir,
pp_home,
pp_profile,
end_callback,
command_callback,
):
# create debugging log object
self.mon = Monitor()
self.mon.trace(self, "")
# instantiate arguments
self.show_id = show_id
self.showlist = showlist
self.root = root
self.canvas = canvas["canvas-obj"]
self.show_canvas_x1 = canvas["show-canvas-x1"]
self.show_canvas_y1 = canvas["show-canvas-y1"]
self.show_canvas_x2 = canvas["show-canvas-x2"]
self.show_canvas_y2 = canvas["show-canvas-y2"]
self.show_canvas_width = canvas["show-canvas-width"]
self.show_canvas_height = canvas["show-canvas-height"]
self.show_canvas_centre_x = canvas["show-canvas-centre-x"]
self.show_canvas_centre_y = canvas["show-canvas-centre-y"]
self.show_params = show_params
self.track_params = track_params
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
self.end_callback = end_callback
self.command_callback = command_callback
# get background image from profile.
self.background_file = ""
if self.track_params["background-image"] != "":
self.background_file = self.track_params["background-image"]
# get background colour from profile.
if self.track_params["background-colour"] != "":
self.background_colour = self.track_params["background-colour"]
else:
self.background_colour = self.show_params["background-colour"]
# get animation instructions from profile
self.animate_begin_text = self.track_params["animate-begin"]
self.animate_end_text = self.track_params["animate-end"]
# create an instance of showmanager so we can control concurrent shows
# self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
# open the plugin Manager
self.pim = PluginManager(
self.show_id,
self.root,
self.canvas,
self.show_params,
self.track_params,
self.pp_dir,
self.pp_home,
self.pp_profile,
)
# create an instance of Animate so we can send animation commands
self.animate = Animate()
# initialise state and signals
self.background_obj = None
self.show_text_obj = None
self.track_text_obj = None
self.hint_obj = None
self.background = None
self.freeze_at_end_required = "no" # overriden by videoplayer
self.tick_timer = None
self.terminate_signal = False
self.play_state = ""
def pre_load(self):
# Control other shows at beginning
self.show_control(self.track_params["show-control-begin"])
pass
# common bits of show(....)
def pre_show(self):
self.mon.trace(self, "")
# show_x_content moved to just before ready_callback to improve flicker.
self.show_x_content()
# and whatecer the plugin has created
self.pim.show_plugin()
# ready callback hides and closes players from previous track, also displays show background
if self.ready_callback is not None:
self.ready_callback(self.enable_show_background)
# create animation events
reason, message = self.animate.animate(self.animate_begin_text, id(self))
if reason == "error":
self.mon.err(self, message)
self.play_state = "show-failed"
if self.finished_callback is not None:
self.finished_callback("error", message)
else:
# return to start playing the track.
self.mon.log(self, ">show track received from show Id: " + str(self.show_id))
return
# to keep landscape happy
def ready_callback(self, enable_show_background):
self.mon.fatal(self, "ready callback not overridden")
self.end("error", "ready callback not overridden")
def finished_callback(self, reason, message):
self.mon.fatal(self, "finished callback not overridden")
self.end("error", "finished callback not overridden")
def closed_callback(self, reason, message):
self.mon.fatal(self, "closed callback not overridden")
self.end("error", "closed callback not overridden")
# Control shows so pass the show control commands back to PiPresents via the command callback
def show_control(self, show_control_text):
lines = show_control_text.split("\n")
for line in lines:
if line.strip() == "":
continue
# print 'show control command: ',line
self.command_callback(line, self.show_params["show-ref"])
# *****************
# hide content and end animation, show control etc.
# called by ready calback and end
# *****************
def hide(self):
self.mon.trace(self, "")
# abort the timer
if self.tick_timer is not None:
self.canvas.after_cancel(self.tick_timer)
self.tick_timer = None
self.hide_x_content()
# stop the plugin
if self.track_params["plugin"] != "":
self.pim.stop_plugin()
# Control concurrent shows at end
self.show_control(self.track_params["show-control-end"])
# clear events list for this track
if self.track_params["animate-clear"] == "yes":
self.animate.clear_events_list(id(self))
# create animation events for ending
reason, message = self.animate.animate(self.animate_end_text, id(self))
if reason == "error":
self.play_state = "show-failed"
if self.finished_callback is not None:
self.finished_callback("error", message)
else:
return
def terminate(self):
self.mon.trace(self, "")
self.terminate_signal = True
if self.play_state == "showing":
# call the derived class's stop method
self.stop()
else:
self.end("killed", "terminate with no track or show open")
# must be overriden by derived class
def stop(self):
self.mon.fatal(self, "stop not overidden by derived class")
self.play_state = "show-failed"
if self.finished_callback is not None:
self.finished_callback("error", "stop not overidden by derived class")
def get_play_state(self):
return self.play_state
# *****************
# ending the player
# *****************
def end(self, reason, message):
self.mon.trace(self, "")
# stop the plugin
if self.terminate_signal is True:
reason = "killed"
self.terminate_signal = False
self.hide()
self.end_callback(reason, message)
self = None
# *****************
# displaying common things
# *****************
def load_plugin(self):
# load the plugin if required
if self.track_params["plugin"] != "":
reason, message, self.track = self.pim.load_plugin(self.track, self.track_params["plugin"])
return reason, message
def draw_plugin(self):
# load the plugin if required
if self.track_params["plugin"] != "":
self.pim.draw_plugin()
return
def load_x_content(self, enable_menu):
self.mon.trace(self, "")
self.background_obj = None
self.background = None
self.track_text_obj = None
self.show_text_obj = None
self.hint_obj = None
self.track_obj = None
# background image
if self.background_file != "":
background_img_file = self.complete_path(self.background_file)
if not os.path.exists(background_img_file):
return "error", "Track background file not found " + background_img_file
else:
pil_background_img = Image.open(background_img_file)
# print 'pil_background_img ',pil_background_img
image_width, image_height = pil_background_img.size
window_width = self.show_canvas_width
window_height = self.show_canvas_height
if image_width != window_width or image_height != window_height:
pil_background_img = pil_background_img.resize((window_width, window_height))
self.background = ImageTk.PhotoImage(pil_background_img)
del pil_background_img
self.background_obj = self.canvas.create_image(
self.show_canvas_x1, self.show_canvas_y1, image=self.background, anchor=NW
)
# print '\nloaded background_obj: ',self.background_obj
# load the track content. Dummy function below is overridden in players
status, message = self.load_track_content()
if status == "error":
return "error", message
# load show text if enabled
if self.show_params["show-text"] != "" and self.track_params["display-show-text"] == "yes":
self.show_text_obj = self.canvas.create_text(
int(self.show_params["show-text-x"]) + self.show_canvas_x1,
int(self.show_params["show-text-y"]) + self.show_canvas_y1,
anchor=NW,
text=self.show_params["show-text"],
fill=self.show_params["show-text-colour"],
font=self.show_params["show-text-font"],
)
# load track text if enabled
if self.track_params["track-text"] != "":
self.track_text_obj = self.canvas.create_text(
int(self.track_params["track-text-x"]) + self.show_canvas_x1,
int(self.track_params["track-text-y"]) + self.show_canvas_y1,
anchor=NW,
text=self.track_params["track-text"],
fill=self.track_params["track-text-colour"],
font=self.track_params["track-text-font"],
)
# load instructions if enabled
if enable_menu is True:
self.hint_obj = self.canvas.create_text(
int(self.show_params["hint-x"]) + self.show_canvas_x1,
int(self.show_params["hint-y"]) + self.show_canvas_y1,
text=self.show_params["hint-text"],
fill=self.show_params["hint-colour"],
font=self.show_params["hint-font"],
anchor=NW,
)
self.display_show_canvas_rectangle()
self.pim.draw_plugin()
self.canvas.tag_raise("pp-click-area")
self.canvas.itemconfig(self.background_obj, state="hidden")
self.canvas.itemconfig(self.show_text_obj, state="hidden")
self.canvas.itemconfig(self.track_text_obj, state="hidden")
self.canvas.itemconfig(self.hint_obj, state="hidden")
self.canvas.update_idletasks()
return "normal", "x-content loaded"
# display the rectangle that is the show canvas
def display_show_canvas_rectangle(self):
# coords=[self.show_canvas_x1,self.show_canvas_y1,self.show_canvas_x2-1,self.show_canvas_y2-1]
# self.canvas.create_rectangle(coords,
# outline='yellow',
# fill='')
pass
# dummy functions to manipulate the track content, overidden in some players,
# message text in messageplayer
# image in imageplayer
# menu stuff in menuplayer
def load_track_content(self):
return "normal", "player has no track content to load"
def show_track_content(self):
pass
def hide_track_content(self):
pass
def show_x_content(self):
self.mon.trace(self, "")
# background colour
if self.background_colour != "":
self.canvas.config(bg=self.background_colour)
# print 'showing background_obj: ', self.background_obj
# reveal background image and text
self.canvas.itemconfig(self.background_obj, state="normal")
self.show_track_content()
self.canvas.itemconfig(self.show_text_obj, state="normal")
self.canvas.itemconfig(self.track_text_obj, state="normal")
self.canvas.itemconfig(self.hint_obj, state="normal")
# self.canvas.update_idletasks( )
# decide whether the show background should be enabled.
# print 'DISPLAY SHOW BG',self.track_params['display-show-background'],self.background_obj
if self.background_obj is None and self.track_params["display-show-background"] == "yes":
self.enable_show_background = True
else:
self.enable_show_background = False
# print 'ENABLE SB',self.enable_show_background
def hide_x_content(self):
self.mon.trace(self, "")
self.hide_track_content()
self.canvas.itemconfig(self.background_obj, state="hidden")
self.canvas.itemconfig(self.show_text_obj, state="hidden")
self.canvas.itemconfig(self.track_text_obj, state="hidden")
self.canvas.itemconfig(self.hint_obj, state="hidden")
# self.canvas.update_idletasks( )
self.canvas.delete(self.background_obj)
self.canvas.delete(self.show_text_obj)
self.canvas.delete(self.track_text_obj)
self.canvas.delete(self.hint_obj)
self.background = None
# self.canvas.update_idletasks( )
# ****************
# utilities
# *****************
def get_links(self):
return self.track_params["links"]
# produce an absolute path from the relative one in track paramters
def complete_path(self, track_file):
# complete path of the filename of the selected entry
if track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
# self.mon.log(self,"Background image is "+ track_file)
return track_file
# get a text string from resources.cfg
def resource(self, section, item):
value = self.rr.get(section, item)
return value # False if not found
class MediaList(object):
"""
manages a media list of tracks and the track selected from the medialist
"""
def __init__(self,sequence):
self.clear()
self.mon=Monitor()
self.sequence=sequence
# Functions for the editor dealing with complete list
def clear(self):
self._tracks = [] #MediaList, stored as a list of dicts
self._num_tracks=0
self._selected_track_index=-1 # index of currently selected track
def print_list(self):
print('\n')
print(self._tracks)
def first(self):
self._selected_track_index=-1
self.next(self.sequence) #let this do the work of randomaising or advancing to 0
def length(self):
return self._num_tracks
def append(self, track_dict):
# print '\ntrack dict',track_dict
"""appends a track dictionary to the end of the medialist store"""
self._tracks.append(copy.deepcopy(track_dict))
self._num_tracks+=1
def update(self,index,values):
self._tracks[index].update(values)
def remove(self,index):
self._tracks.pop(index)
self._num_tracks-=1
# deselect any track, saves worrying about whether index needs changing
self._selected_track_index=-1
def move_up(self):
if self._selected_track_index != 0:
self._tracks.insert(self._selected_track_index-1, self._tracks.pop(self._selected_track_index))
self.select(self._selected_track_index-1)
def move_down(self):
if self._selected_track_index != self._num_tracks-1:
self._tracks.insert(self._selected_track_index+1, self._tracks.pop(self._selected_track_index))
self.select(self._selected_track_index+1)
def copy(self):
self._tracks.insert(self._selected_track_index+1, copy.deepcopy(self._tracks[self._selected_track_index]))
self._num_tracks+=1
self.select(self._selected_track_index+1)
def replace(self,index,replacement):
self._tracks[index]= replacement
# Common functions work for anything
def track_is_selected(self):
if self._selected_track_index>=0:
return True
else:
return False
def selected_track_index(self):
return self._selected_track_index
def track(self,index):
return self._tracks[index]
def selected_track(self):
"""returns a dictionary containing all fields in the selected track """
return self._selected_track
def select(self,index):
"""does housekeeping necessary when a track is selected"""
if self._num_tracks>0 and index>=0 and index< self._num_tracks:
self._selected_track_index=index
self._selected_track = self._tracks[index]
return True
else:
return False
# Dealing with anonymous tracks for use and display
def at_end(self):
# true is selected track is last anon
index=self._num_tracks-1
while index>=0:
if self._tracks[index] ['track-ref'] =="":
end=index
if self._selected_track_index==end:
return True
else:
return False
index -=1
return False
def index_of_end(self):
if self.anon_length()==0:
return False
index=self._num_tracks-1
while index >= 0:
if self._tracks[index] ['track-ref'] =="":
return index
index -=1
return -1
def at_start(self):
if self.anon_length()==0:
return False
index=0
while index<self._num_tracks:
if self._tracks[index] ['track-ref'] =="":
start = index
if self._selected_track_index==start:
return True
else:
return False
index +=1
return False
def index_of_start(self):
if self.anon_length()==0:
return False
index=0
while index<self._num_tracks:
if self._tracks[index] ['track-ref'] =="":
return index
index +=1
return False
def anon_length(self):
# number of anonymous tracks
count=0
index=0
while index<self._num_tracks:
if self._tracks[index] ['track-ref'] =="":
count+=1
index +=1
return count
def start(self):
if self.anon_length()==0:
return False
# select first anonymous track in the list
if self.sequence == 'ordered':
index=0
while index<self._num_tracks:
if self._tracks[index] ['track-ref'] =="":
self.select(index)
return True
index +=1
return False
else:
match=random.randint(0,self.anon_length()-1)
# print 'match',match
index=0
while index<self._num_tracks:
if self._tracks[index] ['track-ref'] =="" and index==match:
self.select(index)
# print index
return index
index +=1
def finish(self):
if self.anon_length()==0:
return False
if self.sequence == 'ordered':
# select last anymous track in the list
index=self._num_tracks-1
while index>=0:
if self._tracks[index] ['track-ref'] =="":
self.select(index)
return True
index -=1
return False
else:
match=random.randint(0,self.anon_length()-1)
# print 'match',match
index=0
while index<self._num_tracks:
if self._tracks[index] ['track-ref'] =="" and index==match:
self.select(index)
# print index
return index
index +=1
def select_anon_by_index(self,wanted):
if self.anon_length()==0:
return False
index=0
anon_index=0
while index != self._num_tracks:
# print index,self._tracks[index] ['track-ref'],wanted
if self._tracks[index] ['track-ref'] =="":
if anon_index==wanted:
# print 'match\n'
self.select(index)
return True
anon_index+=1
index= index+1
return False
def next(self,sequence):
if self.anon_length()==0:
return False
if sequence=='ordered':
if self._selected_track_index== self._num_tracks-1:
index=0
else:
index= self._selected_track_index+1
end=self._selected_track_index
else:
index=random.randint(0,self.anon_length()-1)
if index==0:
end=self._num_tracks-1
else:
end=index-1
# search for next anonymous track
# print 'index', index, 'end',end
while index != end:
if self._tracks[index] ['track-ref'] =="":
self.select(index)
return True
if index== self._num_tracks-1:
index=0
else:
index= index+1
return False
def previous(self,sequence):
if self.anon_length()==0:
return False
if sequence=='ordered':
if self._selected_track_index == 0:
index=self._num_tracks-1
else:
index= self._selected_track_index-1
end = self._selected_track_index
else:
index=random.randint(0,self.anon_length()-1)
if index==self._num_tracks-1:
end=0
else:
end=index+1
# print 'index', index, 'end',end
# search for previous anonymous track
while index != end :
if self._tracks[index] ['track-ref'] =="":
self.select(index)
return True
if index == 0:
index=self._num_tracks-1
else:
index= index-1
return False
# Lookup for labelled tracks
def index_of_track(self,wanted_track):
index = 0
for track in self._tracks:
if track['track-ref']==wanted_track:
return index
index +=1
return -1
# open and save
def add_track_for_file(self, filename, filetype):
"""
Simulates adding an image or video as if it was coming from a media list.
:param filename: The image to add
:return:
"""
track = {}
track["type"] = filetype
track["location"] = filename
track["track-ref"] = ""
track["background-image"] = ""
track["background-colour"] = ""
track["animate-begin"] = ""
track["animate-end"] = ""
track["duration"] = ""
track["image-window"] = "fit"
track["image-rotation"] = ""
track["image-rotate"] = "0"
track["pause-timeout"] = ""
track["plugin"] = ""
track["track-html-background-colour"] = "white"
track["track-html-height"] = "300"
track["track-html-width"] = "300"
track["track-text-x"] = ""
track["track-text-y"] = ""
track["track-text-justify"] = ""
track["track-text-font"] = ""
track["track-text-colour"] = ""
track["track-text-location"] = ""
track["track-text-type"] = "plain"
track["track-text"] = ""
track["display-show-background"] = ""
track["show-control-begin"] = ""
track["show-control-end"] = ""
track["thumbnail"] = ""
track["transition"] = "cut"
track["pause-text"] = ""
track["animate-clear"] = ""
track["omx-audio"] = ""
track["cmx-audio"] = ""
track["omx-volume"] = ""
track["omx-window"] = ""
track["omx-other-options"] = ""
track["freeze-at-start"] = ""
track["freeze-at-end"] = ""
track["seamless-loop"] = ""
track["pause-timeout"] = ""
self._tracks.append(track)
self._num_tracks = len(self._tracks)
self.mon.log(self, "Added file " + filename)
def open_directory(self,directory, match_glob, exclude_regex):
"""
Opens a directory as if it was a tracklist of all the files in the directory.
Right now, we're hard-coding the files to look for to .jpg files ... but
extending it would be fairly straightforward ...
:param directory: Directory to scan for files and load everything with a matching extension. Lame
error-checking -- be sure no trailing slash
:param match_glob: A set of file-specs to scan for and match. The list itself is separated by |. Then
each item in the list consists of a glob-type match, separated by # from the type
(image or video) that we're matching.
i.e., glob#type|glob#type|glob#type
e.g., /**/*.jpg#image|/**/*.mpg#video
:param exclude_regex: A regular expression indicating files to skip
:return:
"""
self.clear()
self.mon.log(self, "Adding files matching " + match_glob + " from " + directory)
self.mon.log(self, "Excluding files: " + exclude_regex)
import glob
import re
if len(exclude_regex) > 0:
matcher = re.compile(exclude_regex)
else:
matcher = None
pats = match_glob.split("|")
for each_pat in pats:
thisglob, type = each_pat.split("#")
self.mon.log(self, "Matching glob " + thisglob)
for filename in glob.iglob(directory + thisglob):
if matcher is None or not matcher.match(filename):
self.add_track_for_file(filename, type)
self.mon.log(self, "Loaded " + str(self._num_tracks) + " files.")
self.last_num_tracks = self._num_tracks
return True
def open_list(self,filename,profile_version):
"""
opens a saved medialist
medialists are stored as json arrays.
"""
ifile = open(filename, 'r')
mdict = json.load(ifile)
ifile.close()
if 'issue' in mdict:
self.medialist_version_string= mdict['issue']
else:
self.medialist_version_string="1.0"
# If the media file contains a loaddir key, then treat this as a directory to load, instead of a single file.
# loaddir: the directory to (recursively) load
# exclude-regex: optional - a regular expression to use to exclude files from the load (I use to exclude
# directories)
# match-glob: a list of glob specs and types separated by |, where the glob spec and type are separated by #
# e.g.:
# "loaddir":"/media/some-pictures"
# "exclude-regex":".*\\/(skip-this-dir|skip-this-dir-also)\\/.*"
# "match-glob":"//**/*.jpg#image|/**/*.JPG#image|/**/*.gif#image|/**/*.GIF#image|/***/*.mpg#video"
if 'loaddir' in mdict:
if 'match-glob' in mdict:
match_glob = mdict['match-glob']
else:
match_glob = "/**/*.jpg"
if 'exclude-regex' in mdict:
exclude_regex = mdict['exclude-regex']
else:
exclude_regex = ''
return self.open_directory(mdict['loaddir'], match_glob, exclude_regex)
else:
self._tracks = mdict['tracks']
if self.medialist_version()==profile_version:
self._num_tracks=len(self._tracks)
self.last_num_tracks=self._num_tracks
self._selected_track_index=-1
return True
else:
return False
def medialist_version(self):
vitems=self.medialist_version_string.split('.')
if len(vitems)==2:
# cope with 2 digit version numbers before 1.3.2
return 1000*int(vitems[0])+100*int(vitems[1])
else:
return 1000*int(vitems[0])+100*int(vitems[1])+int(vitems[2])
# dummy for mediliast, in livelist the list is created from the live_track directories
def use_new_livelist(self):
pass
def create_new_livelist(self):
pass
def new_length(self):
return self.length()
# for medialist the content of the list never changes so return False
def livelist_changed(self):
return False
def save_list(self,filename):
""" save a medialist """
if filename=="":
return False
dic={'issue':self.medialist_version_string,'tracks':self._tracks}
filename=str(filename)
filename = str.replace(filename,'\\','/')
tries = 1
while tries<=10:
# print "save medialist ",filename
try:
ofile = open(filename, "w")
json.dump(dic,ofile,sort_keys=True,indent=1)
ofile.close()
self.mon.log(self,"Saved medialist "+ filename)
break
except IOError:
self.mon.err(self,"failed to save medialist, trying again " + str(tries))
tries+=1
return
class OMXDriver(object):
_STATUS_REXP = re.compile(r"M:\s*(\w*)\s*V:")
_DONE_REXP = re.compile(r"have a nice day.*")
_LAUNCH_CMD = '/usr/bin/omxplayer -s ' #needs changing if user has installed his own version of omxplayer elsewhere
def __init__(self,widget):
self.widget=widget
self.mon=Monitor()
self.mon.on()
self.paused=None
self._process=None
def control(self,char):
self._process.send(char)
def pause(self):
self._process.send('p')
if not self.paused:
self.paused = True
else:
self.paused=False
def play(self, track, options):
self._pp(track, options,False)
def prepare(self, track, options):
self._pp(track, options,True)
def show(self):
# unpause to start playing
self._process.send('p')
self.paused = False
def stop(self):
if self._process<>None:
self._process.send('q')
# kill the subprocess (omxplayer.bin). Used for tidy up on exit.
def terminate(self,reason):
self.terminate_reason=reason
if self._process<>None:
self._process.send('q')
def terminate_reason(self):
return self.terminate_reason
# test of whether _process is running
def is_running(self):
return self._process.isalive()
# kill off omxplayer when it hasn't terminated at the end of a track.
# send SIGINT (CTRL C) so it has a chance to tidy up daemons and omxplayer.bin
def kill(self):
self._process.kill(signal.SIGINT)
# ***********************************
# INTERNAL FUNCTIONS
# ************************************
def _pp(self, track, options, pause_before_play):
self.paused=False
self.start_play_signal = False
self.end_play_signal=False
self.terminate_reason=''
track= "'"+ track.replace("'","'\\''") + "'"
cmd = OMXDriver._LAUNCH_CMD + options +" " + track
self.mon.log(self, "Send command to omxplayer: "+ cmd)
self._process = pexpect.spawn(cmd)
# uncomment to monitor output to and input from omxplayer.bin (read pexpect manual)
fout= file('omxlogfile.txt','w') #uncomment and change sys.stdout to fout to log to a file
# self._process.logfile_send = sys.stdout # send just commands to stdout
self._process.logfile=fout # send all communications to log file
if pause_before_play:
self._process.send('p')
self.paused = True
#start the thread that is going to monitor sys.stdout. Presumably needs a thread because of blocking
self._position_thread = Thread(target=self._get_position)
self._position_thread.start()
def _get_position(self):
self.start_play_signal = True
self.video_position=0.0
self.audio_position=0.0
while True:
index = self._process.expect([OMXDriver._DONE_REXP,
pexpect.TIMEOUT,
pexpect.EOF,
OMXDriver._STATUS_REXP]
,timeout=10)
if index == 1: #timeout omxplayer should not do this
self.end_play_signal=True
self.xbefore=self._process.before
self.xafter=self._process.after
self.match=self._process.match
self.end_play_reason='timeout'
break
# continue
elif index == 2: #2 is eof omxplayer should not send this
#eof detected
self.end_play_signal=True
self.xbefore=self._process.before
self.xafter=self._process.after
self.match=self._process.match
self.end_play_reason='eof'
break
elif index==0: #0 is done
#Have a nice day detected
self.end_play_signal=True
self.xbefore=self._process.before
self.xafter=self._process.after
self.match=self._process.match
self.end_play_reason='nice_day'
break
else:
# - 3 matches _STATUS_REXP so get time stamp
self.video_position = float(self._process.match.group(1))
self.audio_position = 0.0
#sleep is Ok here as it is a seperate thread. self.widget.after has funny effects as its not in the maion thread.
sleep(0.05) # stats output rate seem to be about 170mS.
class MenuShow:
""" Displays a menu with optional hint below it. User can traverse the menu and
select a track using key or button presses.
Interface:
* play - displays the menu and selects the first entry
* input_pressed, - receives user events passes them to a Player if a track is playing,
otherwise actions them with _next, _previous, _play_selected_track, _end
Optional display of eggtimer by means of Players ready_callback
Supports imageplayer, videoplayer,messagplayer,audioplayer,menushow,mediashow
Destroys itself on exit
"""
# *********************
# external interface
# ********************
def __init__(self,
show_params,
root,
canvas,
showlist,
pp_dir,
pp_home,
pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the name of the configuration dictionary section for the menu
showlist - the showlist
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory"""
self.mon=Monitor()
self.mon.on()
self.display_guidelines_command=show_params['menu-guidelines']
self.display_guidelines=self.display_guidelines_command
#instantiate arguments
self.show_params=show_params
self.root=root
self.canvas=canvas
self.showlist=showlist
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
# init variables
self.drawn = None
self.player=None
self.shower=None
self.menu_timeout_running=None
self.error=False
def play(self,show_id,end_callback,ready_callback,top=False,command='nil'):
""" displays the menu
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate arguments
self.show_id=show_id
self.end_callback=end_callback
self.ready_callback=ready_callback
self.top=top
self.command=command
# check data files are available.
self.menu_file = self.pp_profile + "/" + self.show_params['medialist']
if not os.path.exists(self.menu_file):
self.mon.err(self,"Medialist file not found: "+ self.menu_file)
self.end('error',"Medialist file not found")
#create a medialist for the menu and read it.
self.medialist=MediaList()
if self.medialist.open_list(self.menu_file,self.showlist.sissue()) == False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self.end('error',"Version of medialist different to Pi Presents")
#get control bindings for this show if top level
controlsmanager=ControlsManager()
if self.top==True:
self.controls_list=controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list=controlsmanager.merge_show_controls(self.controls_list,self.show_params['controls'])
if self.show_params['has-background']=="yes":
background_index=self.medialist.index_of_track ('pp-menu-background')
if background_index>=0:
self.menu_img_file = self.complete_path(self.medialist.track(background_index)['location'])
if not os.path.exists(self.menu_img_file):
self.mon.err(self,"Menu background file not found: "+ self.menu_img_file)
self.end('error',"Menu background file not found")
else:
self.mon.err(self,"Menu background not found in medialist")
self.end('error',"Menu background not found")
self.end_menushow_signal= False
if self.ready_callback<>None:
self.ready_callback()
self.menu_timeout_value=int(self.show_params['timeout'])*1000
self.do_menu()
def do_menu(self):
#start timeout alarm if required
if int(self.show_params['timeout'])<>0:
self.menu_timeout_running=self.canvas.after(self.menu_timeout_value,self.timeout_menu)
if self.show_params['menu-background-colour']<>'':
self.canvas.config(bg=self.show_params['menu-background-colour'])
self.canvas.delete('pp-content')
self.canvas.update()
# display background image
if self.show_params['has-background']=="yes":
self.display_background()
self.delete_eggtimer()
self.display_new_menu()
self.canvas.tag_raise('pp-click-area')
self.canvas.update_idletasks( )
# display menu text if enabled
if self.show_params['menu-text']<> '':
self.canvas.create_text(int(self.show_params['menu-text-x']),int(self.show_params['menu-text-y']),
anchor=NW,
text=self.show_params['menu-text'],
fill=self.show_params['menu-text-colour'],
font=self.show_params['menu-text-font'],
tag='pp-content')
self.canvas.update_idletasks( )
# display instructions (hint)
hint_text=self.show_params['hint-text']
if hint_text<>'':
self.canvas.create_text(int(self.show_params['hint-x']),int(self.show_params['hint-y']),
anchor=NW,
text=hint_text,
fill=self.show_params['hint-colour'],
font=self.show_params['hint-font'],
tag='pp-content')
self.canvas.update_idletasks( )
#stop received from another concurrent show
def managed_stop(self):
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
if self.shower<>None:
self.shower.managed_stop()
elif self.player<>None:
self.end_menushow_signal=True
self.player.input_pressed('stop')
else:
self.end('normal','stopped by ShowManager')
# kill or error received
def terminate(self,reason):
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
if self.shower<>None:
self.shower.terminate(reason)
elif self.player<>None:
self.player.terminate(reason)
else:
self.end(reason,'Terminated no shower or player running')
# respond to user inputs.
def input_pressed(self,symbol,edge,source):
self.mon.log(self,"Show Id: "+str(self.show_id)+" received key or operation: " + symbol)
if self.show_params['disable-controls']=='yes':
return
# if at top convert symbolic name to operation otherwise lower down we have received an operation
# look through list of standard symbols to find match (symbolic-name, function name) operation =lookup (symbol
if self.top==True:
operation=self.lookup_control(symbol,self.controls_list)
else:
operation=symbol
# print 'operation',operation
# if no match for symbol against standard operations then return
if operation=='':
return
else:
if self.shower<>None:
# if next lower show is running pass down operatin to the show and lower levels
self.shower.input_pressed(operation,source,edge)
else:
#service the standard inputs for this show
if operation=='stop':
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
if self.shower<>None:
self.shower.input_pressed('stop',edge,source)
elif self.player<>None:
self.player.input_pressed('stop')
else:
# not at top so end the show
if self.top == False:
self.end('normal',"exit from stop command")
else:
pass
elif operation in ('up','down'):
# if child or sub-show running and is a show pass down
# if child not running - move
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
else:
if self.player==None:
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=self.canvas.after(self.menu_timeout_value,self.timeout_menu)
if operation=='up':
self.previous()
else:
self.next()
elif operation =='play':
# if child running and is show - pass down
# if no track already running - play
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
else:
if self.player==None:
self.play_selected_track(self.medialist.selected_track())
elif operation == 'pause':
# pass down if show or track running.
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
elif self.player<>None:
self.player.input_pressed(operation)
elif operation[0:4]=='omx-' or operation[0:6]=='mplay-'or operation[0:5]=='uzbl-':
if self.player<>None:
self.player.input_pressed(operation)
def lookup_control(self,symbol,controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
# *********************
# INTERNAL FUNCTIONS
# ********************
# *********************
# Sequencing
# *********************
def timeout_menu(self):
self.end('normal','menu timeout')
return
def next(self):
self.highlight_menu_entry(self.menu_index,False)
self.medialist.next('ordered')
if self.menu_index==self.menu_length-1:
self.menu_index=0
else:
self.menu_index+=1
self.highlight_menu_entry(self.menu_index,True)
def previous(self):
self.highlight_menu_entry(self.menu_index,False)
if self.menu_index==0:
self.menu_index=self.menu_length-1
else:
self.menu_index-=1
self.medialist.previous('ordered')
self.highlight_menu_entry(self.menu_index,True)
# at the end of a track just re-display the menu with the original callback from the menu
def what_next(self,message):
# user wants to end
if self.end_menushow_signal==True:
self.end_menushow_signal=False
self.end('normal',"show ended by user")
else:
self.do_menu()
# *********************
# Dispatching to Players
# *********************
def play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
#remove menu and show working.....
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
self.canvas.delete('pp-content')
self.display_eggtimer(self.resource('menushow','m01'))
# dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track['location'])
self.player=VideoPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track['location'])
self.player=AudioPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False)
elif track_type=="image":
# images played from menus don't have children
track_file=self.complete_path(selected_track['location'])
self.player=ImagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False,
)
elif track_type=="web":
# create a browser
track_file=self.complete_path(selected_track['location'])
self.player=BrowserPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False
)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end("Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.delete_eggtimer,top=False,command='nil')
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.delete_eggtimer,top=False,command='nil')
elif selected_show['type']=="radiobuttonshow":
self.shower= RadioButtonShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="hyperlinkshow":
self.shower= HyperlinkShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.delete_eggtimer,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.end("Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self.end("Unknown track type")
# callback from when player ends
def end_player(self,reason,message):
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
if reason in("killed","error"):
self.end(reason,message)
else:
self.display_eggtimer(self.resource('menushow','m02'))
self.what_next(message)
# callback from when shower ends
def end_shower(self,show_id,reason,message):
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
if reason in ("killed","error"):
self.end(reason,message)
else:
self.display_eggtimer(self.resource('menushow','m03'))
self.what_next(message)
# *********************
# Ending the show
# *********************
# finish the player for killing, error or normally
# this may be called directly if sub/child shows or players are not running
# if they might be running then need to call terminate?????
def end(self,reason,message):
self.mon.log(self,"Ending menushow: "+ self.show_params['show-ref'])
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
self.end_callback(self.show_id,reason,message)
self=None
return
# *********************
# Displaying things
# *********************
def display_background(self):
pil_menu_img=PIL.Image.open(self.menu_img_file)
self.menu_background = PIL.ImageTk.PhotoImage(pil_menu_img)
self.drawn = self.canvas.create_image(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
image=self.menu_background,
anchor=CENTER,
tag='pp-content')
def display_new_menu(self):
# calculate menu geometry
error,reason=self.calculate_geometry()
if error<>'normal':
self.mon.err(self,"Menu geometry error: "+ reason)
self.end('error',"Menu geometry error")
else:
# display the menu entries
self.display_menu_entries()
def display_menu_entries(self):
# init the loop
column_index=0
row_index=0
self.menu_length=1
# id store is a list of elements each being a list of the three ids of the elements of the entry
self.menu_entry_id=[]
# offsets for the above
self.icon_id_index=0 # rectangle around the icon
self.image_id_index=1 # icon image - needed for tkinter
self.text_id_index=2 # the text - need whn no icon is displayed
#select the startof the medialist
self.medialist.start()
#loop through menu entries
while True:
#display the entry
#calculate top left corner of entry
self.calculate_entry_position(column_index,row_index)
# display the button strip
self.display_entry_strip()
#display the selected entry highlight
icon_id=self.display_icon_rectangle()
#display the image in the icon
image_id=self.display_icon_image()
if self.show_params['menu-text-mode']<>'none':
text_id=self.display_icon_text()
else:
text_id=None
#append id's to the list
self.menu_entry_id.append([icon_id,image_id,text_id])
self.canvas.update_idletasks( )
#and loop
if self.medialist.at_end():
break
self.menu_length+=1
self.medialist.next('ordered')
if self.direction=='horizontal':
column_index+=1
if column_index>=self.menu_columns:
column_index=0
row_index+=1
else:
row_index+=1
if row_index>=self.menu_rows:
row_index=0
column_index+=1
# finally select and highlight the first entry
self.medialist.start()
self.menu_index=0
self.highlight_menu_entry(self.menu_index,True)
def print_geometry(self,total_width,total_height):
print 'menu width: ', self.menu_width
print 'columns', self.menu_columns
print 'icon width: ', self.icon_width
print 'horizontal padding: ', self.menu_horizontal_padding
print 'text width: ', self.text_width
print 'entry width: ', self.entry_width
print 'total width: ', total_width
print 'x separation: ', self.x_separation
print ''
print 'menu height', self.menu_height
print 'rows: ', self.menu_rows
print 'icon height', self.icon_height
print 'vertical padding: ', self.menu_vertical_padding
print 'text height', self.text_height
print 'entry height', self.entry_height
print 'total height', total_height
print 'y separation', self.y_separation
# ------------------------------------------------------------------
#calculate menu entry size and separation between menu entries
# ------------------------------------------------------------------
def calculate_geometry(self):
self.display_strip=self.show_params['menu-strip']
self.screen_width=int(self.canvas['width'])
self.screen_height=int(self.canvas['height'])
if self.display_strip=='yes':
self.strip_padding=int(self.show_params['menu-strip-padding'])
else:
self.strip_padding=0
# parse the menu window
error,reason,self.menu_x_left,self.menu_y_top,self.menu_x_right,self.menu_y_bottom=self.parse_menu_window(self.show_params['menu-window'])
if error<>'normal':
return 'error',"Menu Window error: "+ reason
if self.show_params['menu-icon-mode']=='none' and self.show_params['menu-text-mode']=='none':
return 'error','Icon and Text are both None'
if self.show_params['menu-icon-mode']=='none' and self.show_params['menu-text-mode']=='overlay':
return 'error','cannot overlay none icon'
self.direction=self.show_params['menu-direction']
self.menu_width=self.menu_x_right - self.menu_x_left
self.menu_height=self.menu_y_bottom - self.menu_y_top
self.list_length=self.medialist.display_length()
# get or calculate rows and columns
if self.direction=='horizontal':
if self.show_params['menu-columns']=='':
return 'error','blank columns for horizontal direction'
self.menu_columns=int(self.show_params['menu-columns'])
self.menu_rows=self.list_length//self.menu_columns
if self.list_length % self.menu_columns<>0:
self.menu_rows+=1
else:
if self.show_params['menu-rows']=='':
return 'error','blank rows for vertical direction'
self.menu_rows=int(self.show_params['menu-rows'])
self.menu_columns=self.list_length//self.menu_rows
if self.list_length % self.menu_rows<>0:
self.menu_columns+=1
self.x_separation=int(self.show_params['menu-horizontal-separation'])
self.y_separation=int(self.show_params['menu-vertical-separation'])
# get size of padding depending on exitence of icon and text
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet') and self.show_params['menu-text-mode'] == 'right':
self.menu_horizontal_padding=int(self.show_params['menu-horizontal-padding'])
else:
self.menu_horizontal_padding=0
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet') and self.show_params['menu-text-mode'] == 'below':
self.menu_vertical_padding=int(self.show_params['menu-vertical-padding'])
else:
self.menu_vertical_padding=0
#calculate size of icon depending on use
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
self.icon_width=int(self.show_params['menu-icon-width'])
self.icon_height=int(self.show_params['menu-icon-height'])
else:
self.icon_width=0
self.icon_height=0
#calculate size of text box depending on mode
if self.show_params['menu-text-mode']<>'none':
self.text_width=int(self.show_params['menu-text-width'])
self.text_height=int(self.show_params['menu-text-height'])
else:
self.text_width=0
self.text_height=0
# calculate size of entry box by combining text and icon sizes
if self.show_params['menu-text-mode'] == 'right':
self.entry_width=self.icon_width+self.menu_horizontal_padding+self.text_width
self.entry_height=max(self.text_height,self.icon_height)
elif self.show_params['menu-text-mode']=='below':
self.entry_width=max(self.text_width,self.icon_width)
self.entry_height=self.icon_height + self.menu_vertical_padding + self.text_height
else:
# no text or overlaid text
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
# icon only
self.entry_width=self.icon_width
self.entry_height=self.icon_height
else:
#text only
self.entry_width=self.text_width
self.entry_height=self.text_height
if self.entry_width<=self.menu_horizontal_padding:
return 'error','entry width is zero'
if self.entry_height<=self.menu_vertical_padding:
return 'error','entry height is zero'
# calculate totals for debugging puropses
total_width=self.menu_columns * self.entry_width +(self.menu_columns-1)*self.x_separation
total_height=self.menu_rows * self.entry_height + (self.menu_rows-1)*self.y_separation
# self.print_geometry(total_width,total_height)
# display guidelines and debgging text if there is a problem
if total_width>self.menu_width and self.display_guidelines<>'never':
self.display_guidelines='always'
self.mon.log(self,'\nMENU IS WIDER THAN THE WINDOW')
self.print_geometry(total_width,total_height)
if total_height>self.menu_height and self.display_guidelines<>'never':
self.display_guidelines='always'
self.mon.log(self,'\nMENU IS TALLER THAN THE WINDOW')
self.print_geometry(total_width,total_height)
# display calculated total rectangle guidelines for debugging
if self.display_guidelines=='always':
points=[self.menu_x_left,self.menu_y_top, self.menu_x_left+total_width,self.menu_y_top+total_height]
# and display the icon rectangle
self.canvas.create_rectangle(points,
outline='red',
fill='',
tag='pp-content')
# display menu rectangle guidelines for debugging
if self.display_guidelines=='always':
points=[self.menu_x_left,self.menu_y_top, self.menu_x_right,self.menu_y_bottom]
self.canvas.create_rectangle(points,
outline='blue',
fill='',
tag='pp-content')
return 'normal',''
def calculate_entry_position(self,column_index,row_index):
self.entry_x=self.menu_x_left+ column_index*(self.x_separation+self.entry_width)
self.entry_y=self.menu_y_top+ row_index*(self.y_separation+self.entry_height)
def display_entry_strip(self):
if self.display_strip=='yes':
if self.direction=='vertical':
#display the strip
strip_points=[self.entry_x - self.strip_padding -1 ,
self.entry_y - self.strip_padding - 1,
self.entry_x+ self.entry_width + self.strip_padding - 1,
self.entry_y+self.entry_height+ self.strip_padding - 1]
self.canvas.create_rectangle(strip_points,
outline='',
fill='gray',
stipple='gray12',
tag='pp-content')
top_l_points=[self.entry_x - self.strip_padding,
self.entry_y - self.strip_padding,
self.entry_x + self.entry_width + self.strip_padding ,
self.entry_y - self.strip_padding]
self.canvas.create_line(top_l_points,
fill='light gray',
tag='pp-content')
bottom_l_points=[self.entry_x - self.strip_padding,
self.entry_y + self.entry_height + self.strip_padding,
self.entry_x+ self.entry_width + self.strip_padding ,
self.entry_y+ self.entry_height + self.strip_padding]
self.canvas.create_line(bottom_l_points,
fill='dark gray',
tag='pp-content')
left_l_points=[self.entry_x - self.strip_padding,
self.entry_y - self.strip_padding,
self.entry_x - self.strip_padding,
self.entry_y + self.entry_height + self.strip_padding]
self.canvas.create_line(left_l_points,
fill='gray',
tag='pp-content')
else:
#display the strip vertically
strip_points=[self.entry_x - self.strip_padding +1 ,
self.entry_y - self.strip_padding +1,
self.entry_x+self.entry_width + self.strip_padding -1,
self.entry_y + self.entry_height+ self.strip_padding -1]
self.canvas.create_rectangle(strip_points,
outline='',
fill='gray',
stipple='gray12',
tag='pp-content')
top_l_points=[self.entry_x - self.strip_padding,
self.entry_y - self.strip_padding,
self.entry_x + self.entry_width + self.strip_padding,
self.entry_y - self.strip_padding]
self.canvas.create_line(top_l_points,
fill='light gray',
tag='pp-content')
left_l_points=[self.entry_x - self.strip_padding,
self.entry_y - self.strip_padding,
self.entry_x - self.strip_padding,
self.entry_y + self.entry_height+ self.strip_padding]
self.canvas.create_line(left_l_points,
fill='gray',
tag='pp-content')
right_l_points=[self.entry_x +self.entry_width + self.strip_padding,
self.entry_y - self.strip_padding,
self.entry_x +self.entry_width + self.strip_padding,
self.entry_y + self.entry_height+ self.strip_padding]
self.canvas.create_line(right_l_points,
fill='dark gray',
tag='pp-content')
# display the rectangle that goes arond the icon when the entry is selected
def display_icon_rectangle(self):
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
#calculate icon parameters
if self.icon_width<self.text_width and self.show_params['menu-text-mode']=='below':
self.icon_x_left=self.entry_x+abs(self.icon_width-self.text_width)/2
else:
self.icon_x_left=self.entry_x
self.icon_x_right=self.icon_x_left+self.icon_width
if self.icon_height<self.text_height and self.show_params['menu-text-mode']=='right':
self.icon_y_top=self.entry_y+abs(self.icon_height-self.text_height)/2
else:
self.icon_y_top=self.entry_y
self.icon_y_bottom=self.icon_y_top+self.icon_height
req_horiz_sep=self.menu_horizontal_padding
req_vert_sep=self.menu_vertical_padding
points=[self.icon_x_left,self.icon_y_top,self.icon_x_right,self.icon_y_top,self.icon_x_right,self.icon_y_bottom,self.icon_x_left,self.icon_y_bottom]
# display guidelines make it white when not selctedfor debugging
if self.display_guidelines=='always':
outline='white'
else:
outline=''
# and display the icon rectangle
icon_id=self.canvas.create_polygon(points,
outline=outline,
fill='',
tag='pp-content')
else:
# not using icon so set starting point for text to zero icon size
self.icon_x_right=self.entry_x
self.icon_y_bottom=self.entry_y
req_horiz_sep=0
req_vert_sep=0
icon_id=None
return icon_id
#display the image in a menu entry
def display_icon_image(self):
image_id=None
if self.show_params['menu-icon-mode'] == 'thumbnail':
# try for the thumbnail
if self.medialist.selected_track()['thumbnail']<>'' and os.path.exists(self.complete_path(self.medialist.selected_track()['thumbnail'])):
self.pil_image=PIL.Image.open(self.complete_path(self.medialist.selected_track()['thumbnail']))
else:
#cannot find thumbnail get the image if its an image track
if self.medialist.selected_track()['type'] =='image':
self.track=self.complete_path(self.medialist.selected_track()['location'])
else:
self.track=''
if self.medialist.selected_track()['type']=='image' and os.path.exists(self.track)==True:
self.pil_image=PIL.Image.open(self.track)
else:
#use a standard thumbnail
type=self.medialist.selected_track()['type']
standard=self.pp_dir+os.sep+'pp_home'+os.sep+'pp_resources'+os.sep+type+'.png'
if os.path.exists(standard)==True:
self.pil_image=PIL.Image.open(standard)
self.mon.log(self,'WARNING: default thumbnail used for '+self.medialist.selected_track()['title'])
else:
self.pil_image=None
# display the image
if self.pil_image<>None:
self.pil_image=self.pil_image.resize((self.icon_width-2,self.icon_height-2))
image_id=PIL.ImageTk.PhotoImage(self.pil_image)
self.canvas.create_image(self.icon_x_left+1, self.icon_y_top+1,
image=image_id, anchor=NW,
tag='pp-content')
else:
image_id=None
elif self.show_params['menu-icon-mode'] =='bullet':
bullet=self.complete_path(self.show_params['menu-bullet'])
if os.path.exists(bullet)==False:
self.pil_image=None
else:
self.pil_image=PIL.Image.open(bullet)
if self.pil_image<>None:
self.pil_image=self.pil_image.resize((self.icon_width-2,self.icon_height-2))
image_id=PIL.ImageTk.PhotoImage(self.pil_image)
self.canvas.create_image(self.icon_x_left+1, self.icon_y_top+1,
image=image_id, anchor=NW,
tag='pp-content')
else:
image_id=None
return image_id
#display the text of a menu entry
def display_icon_text(self):
text_mode=self.show_params['menu-text-mode']
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
if text_mode=='right':
if self.icon_height>self.text_height:
text_y_top=self.entry_y+abs(self.icon_height-self.text_height)/2
else:
text_y_top=self.entry_y
text_y_bottom=text_y_top+self.text_height
text_x_left=self.icon_x_right+self.menu_horizontal_padding
text_x_right=text_x_left+self.text_width
text_x=text_x_left
text_y=text_y_top+(self.text_height/2)
elif text_mode=='below':
text_y_top=self.icon_y_bottom+self.menu_vertical_padding
text_y_bottom=text_y_top+self.text_height
if self.icon_width>self.text_width:
text_x_left=self.entry_x+abs(self.icon_width-self.text_width)/2
else:
text_x_left=self.entry_x
text_x_right=text_x_left+self.text_width
text_x=text_x_left+(self.text_width/2)
text_y=text_y_top
else:
# icon with text_mode=overlay or none
text_x_left=self.icon_x_left
text_x_right= self.icon_x_right
text_y_top=self.icon_y_top
text_y_bottom=self.icon_y_bottom
text_x=(text_x_left+text_x_right)/2
text_y=(text_y_top+text_y_bottom)/2
else:
#no icon text only
text_y_top=self.entry_y
text_y_bottom=text_y_top+self.text_height
text_x_left=self.entry_x
text_x_right=text_x_left+self.text_width
text_x=self.entry_x
text_y=self.entry_y+self.text_height/2
#display the guidelines for debugging
if self.display_guidelines=='always':
points=[text_x_left,text_y_top,text_x_right,text_y_top,text_x_right,text_y_bottom,text_x_left,text_y_bottom]
self.canvas.create_polygon(points,fill= '' ,
outline='white',
tag='pp-content')
# display the text
if text_mode=='below' and self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
anchor=N
justify=CENTER
elif text_mode=='overlay' and self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
anchor=CENTER
justify=CENTER
else:
anchor=W
justify=LEFT
text_id=self.canvas.create_text(text_x,text_y,
text=self.medialist.selected_track()['title'],
anchor=anchor,
fill=self.show_params['entry-colour'],
font=self.show_params['entry-font'],
width=self.text_width,
justify=justify,
tag='pp-content')
return text_id
def highlight_menu_entry(self,index,state):
if self.show_params['menu-icon-mode']<>'none':
if state==True:
self.canvas.itemconfig(self.menu_entry_id[index][self.icon_id_index],
outline=self.show_params['entry-select-colour'],
width=4,
)
else:
self.canvas.itemconfig(self.menu_entry_id[index][self.icon_id_index],
outline='',
width=1
)
else:
if state==True:
self.canvas.itemconfig(self.menu_entry_id[index][self.text_id_index],
fill=self.show_params['entry-select-colour'])
else:
self.canvas.itemconfig(self.menu_entry_id[index][self.text_id_index],
fill=self.show_params['entry-colour'])
def display_eggtimer(self,text):
# print "display eggtimer"
self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
text= text,
fill='white',
font="Helvetica 20 bold",
tag='pp-eggtimer')
self.canvas.update_idletasks( )
def delete_eggtimer(self):
# print"delete eggtimer"
self.canvas.delete('pp-eggtimer')
self.canvas.update_idletasks( )
# *********************
# utilities
# *********************
def complete_path(self,track_file):
# complete path of the filename of the selected entry
if track_file<>'' and track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
return track_file
def parse_menu_window(self,line):
if line<>'':
fields = line.split()
if len(fields) not in (1, 2,4):
return 'error','wrong number of fields',0,0,0,0
if len(fields)==1:
if fields[0]=='fullscreen':
return 'normal','',0,0,self.screen_width - 1, self.screen_height - 1
else:
return 'error','single field is not fullscreen',0,0,0,0
if len(fields)==2:
if fields[0].isdigit() and fields[1].isdigit():
return 'normal','',int(fields[0]),int(fields[1]),self.screen_width, self.screen_height
else:
return 'error','field is not a digit',0,0,0,0
if len(fields)==4:
if fields[0].isdigit() and fields[1].isdigit() and fields[2].isdigit() and fields[3].isdigit():
return 'normal','',int(fields[0]),int(fields[1]),int(fields[2]),int(fields[3])
else:
return 'error','field is not a digit',0,0,0,0
else:
return 'error','line is blank',0,0,0,0
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
# timers may be running so need terminate
self.terminate("error")
else:
return value
class AudioPlayer:
"""
plays an audio track using mplayer against a coloured backgroud and image
track can be paused and interrupted
See pp_imageplayer for common software design description
"""
# state constants
_CLOSED = "mplayer_closed" # probably will not exist
_STARTING = "mplayer_starting" # track is being prepared
_PLAYING = "mplayer_playing" # track is playing to the screen, may be paused
_ENDING = "mplayer_ending" # track is in the process of ending due to quit or end of track
_WAITING = "wait for timeout" # track has finished but timeout still running
# audio mixer matrix settings
_LEFT = "channels=2:1:0:0:1:1"
_RIGHT = "channels=2:1:0:1:1:0"
_STEREO = "channels=2"
# ***************************************
# EXTERNAL COMMANDS
# ***************************************
def __init__(self, show_id, root, canvas, show_params, track_params, pp_dir, pp_home, pp_profile):
self.mon = Monitor()
self.mon.off()
# instantiate arguments
self.show_id = show_id
self.root = root
self.canvas = canvas
self.show_params = show_params
self.track_params = track_params
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
# get duration limit (secs ) from profile
if self.track_params["duration"] <> "":
self.duration = int(self.track_params["duration"])
self.duration_limit = 20 * self.duration
else:
self.duration_limit = -1
# get background image from profile.
self.background_file = ""
if self.track_params["background-image"] <> "":
self.background_file = self.track_params["background-image"]
else:
if self.track_params["display-show-background"] == "yes":
self.background_file = self.show_params["background-image"]
# get background colour from profile.
if self.track_params["background-colour"] <> "":
self.background_colour = self.track_params["background-colour"]
else:
self.background_colour = self.show_params["background-colour"]
# get audio device from profile.
if self.track_params["mplayer-audio"] <> "":
self.mplayer_audio = self.track_params["mplayer-audio"]
else:
self.mplayer_audio = self.show_params["mplayer-audio"]
# get audio volume from profile.
if self.track_params["mplayer-volume"] <> "":
self.mplayer_volume = self.track_params["mplayer-volume"].strip()
else:
self.mplayer_volume = self.show_params["mplayer-volume"].strip()
self.volume_option = "volume=" + self.mplayer_volume
# get speaker from profile
if self.track_params["audio-speaker"] <> "":
self.audio_speaker = self.track_params["audio-speaker"]
else:
self.audio_speaker = self.show_params["audio-speaker"]
if self.audio_speaker == "left":
self.speaker_option = AudioPlayer._LEFT
elif self.audio_speaker == "right":
self.speaker_option = AudioPlayer._RIGHT
else:
self.speaker_option = AudioPlayer._STEREO
# get animation instructions from profile
self.animate_begin_text = self.track_params["animate-begin"]
self.animate_end_text = self.track_params["animate-end"]
# open the plugin Manager
self.pim = PluginManager(
self.show_id,
self.root,
self.canvas,
self.show_params,
self.track_params,
self.pp_dir,
self.pp_home,
self.pp_profile,
)
# create an instance of PPIO so we can create gpio events
self.ppio = PPIO()
# could put instance generation in play, not sure which is better.
self.mplayer = mplayerDriver(self.canvas)
self.tick_timer = None
self.init_play_state_machine()
def play(self, track, showlist, end_callback, ready_callback, enable_menu=False):
# instantiate arguments
self.track = track
self.showlist = showlist
self.end_callback = end_callback # callback when finished
self.ready_callback = ready_callback # callback when ready to play
self.enable_menu = enable_menu
# select the sound device
if self.mplayer_audio <> "":
if self.mplayer_audio == "hdmi":
os.system("amixer -q -c 0 cset numid=3 2")
else:
os.system("amixer -q -c 0 cset numid=3 1")
# callback to the calling object to e.g remove egg timer.
if self.ready_callback <> None:
self.ready_callback()
# create an instance of showmanager so we can control concurrent shows
self.show_manager = ShowManager(
self.show_id,
self.showlist,
self.show_params,
self.root,
self.canvas,
self.pp_dir,
self.pp_profile,
self.pp_home,
)
# Control other shows at beginning
reason, message = self.show_manager.show_control(self.track_params["show-control-begin"])
if reason == "error":
self.mon.err(self, message)
self.end_callback(reason, message)
self = None
else:
# display image and text
reason, message = self.display_content()
if reason == "error":
self.mon.err(self, message)
self.end_callback(reason, message)
self = None
else:
# create animation events
reason, message = self.ppio.animate(self.animate_begin_text, id(self))
if reason == "error":
self.mon.err(self, message)
self.end_callback(reason, message)
self = None
else:
# start playing the track.
if self.duration_limit <> 0:
self.start_play_state_machine()
else:
self.tick_timer = self.canvas.after(10, self.end_zero)
def end_zero(self):
self.end("normal", "zero duration")
def terminate(self, reason):
"""
terminate the player in special circumstances
normal user termination if by key_pressed 'stop'
reason will be killed or error
"""
# circumvents state machine to terminate lower level and then itself.
if self.mplayer <> None:
self.mon.log(self, "sent terminate to mplayerdriver")
self.mplayer.terminate(reason)
self.end("killed", " end without waiting for mplayer to finish") # end without waiting
else:
self.mon.log(self, "terminate, mplayerdriver not running")
self.end("killed", "terminate, mplayerdriver not running")
def get_links(self):
return self.track_params["links"]
def input_pressed(self, symbol):
if symbol[0:6] == "mplay-":
self.control(symbol[6])
elif symbol == "pause":
self.pause()
elif symbol == "stop":
self.stop()
# ***************************************
# INTERNAL FUNCTIONS
# ***************************************
# toggle pause
def pause(self):
if self.play_state in (AudioPlayer._PLAYING, AudioPlayer._ENDING) and self.track <> "":
self.mplayer.pause()
return True
else:
self.mon.log(self, "!<pause rejected")
return False
# other control when playing, not currently used
def control(self, char):
if self.play_state == AudioPlayer._PLAYING and self.track <> "" and char not in ("q"):
self.mon.log(self, "> send control to mplayer: " + char)
self.mplayer.control(char)
return True
else:
self.mon.log(self, "!<control rejected")
return False
# respond to normal stop
def stop(self):
# send signal to stop the track to the state machine
self.mon.log(self, ">stop received")
self.quit_signal = True
# ***************************************
# sequencing
# ***************************************
"""self. play_state controls the playing sequence, it has the following values.
I am not entirely sure the starting and ending states are required.
- _closed - the mplayer process is not running, mplayer process can be initiated
- _starting - mplayer process is running but is not yet able to receive controls
- _playing - playing a track, controls can be sent
- _ending - mplayer is doing its termination, controls cannot be sent
"""
def init_play_state_machine(self):
self.quit_signal = False
self.play_state = AudioPlayer._CLOSED
def start_play_state_machine(self):
# initialise all the state machine variables
self.duration_count = 0
self.quit_signal = False # signal that user has pressed stop
# play the track
options = (
self.show_params["mplayer-other-options"] + "-af " + self.speaker_option + "," + self.volume_option + " "
)
if self.track <> "":
self.mplayer.play(self.track, options)
self.mon.log(self, "Playing track from show Id: " + str(self.show_id))
self.play_state = AudioPlayer._STARTING
else:
self.play_state = AudioPlayer._PLAYING
# and start polling for state changes and count duration
self.tick_timer = self.canvas.after(50, self.play_state_machine)
def play_state_machine(self):
self.duration_count += 1
if self.play_state == AudioPlayer._CLOSED:
self.mon.log(self, " State machine: " + self.play_state)
return
elif self.play_state == AudioPlayer._STARTING:
self.mon.log(self, " State machine: " + self.play_state)
# if mplayer is playing the track change to play state
if self.mplayer.start_play_signal == True:
self.mon.log(self, " <start play signal received from mplayer")
self.mplayer.start_play_signal = False
self.play_state = AudioPlayer._PLAYING
self.mon.log(self, " State machine: mplayer_playing started")
self.tick_timer = self.canvas.after(50, self.play_state_machine)
elif self.play_state == AudioPlayer._PLAYING:
# self.mon.log(self," State machine: " + self.play_state)
# service any queued stop signals
if self.quit_signal == True or (self.duration_limit > 0 and self.duration_count > self.duration_limit):
self.mon.log(self, " Service stop required signal or timeout")
# self.quit_signal=False
if self.track <> "":
self.stop_mplayer()
self.play_state = AudioPlayer._ENDING
else:
self.play_state = AudioPlayer._CLOSED
self.end("normal", "stop required signal or timeout")
# mplayer reports it is terminating so change to ending state
if self.track <> "" and self.mplayer.end_play_signal:
self.mon.log(self, " <end play signal received")
self.mon.log(self, " <end detected at: " + str(self.mplayer.audio_position))
self.play_state = AudioPlayer._ENDING
self.tick_timer = self.canvas.after(50, self.play_state_machine)
elif self.play_state == AudioPlayer._ENDING:
# self.mon.log(self," State machine: " + self.play_state)
# if spawned process has closed can change to closed state
# self.mon.log (self," State machine : is mplayer process running? - " + str(self.mplayer.is_running()))
if self.mplayer.is_running() == False:
self.mon.log(self, " <mplayer process is dead")
if self.quit_signal == True:
self.quit_signal = False
self.play_state = AudioPlayer._CLOSED
self.end("normal", "quit required or timeout")
elif self.duration_limit > 0 and self.duration_count < self.duration_limit:
self.play_state = AudioPlayer._WAITING
self.tick_timer = self.canvas.after(50, self.play_state_machine)
else:
self.play_state = AudioPlayer._CLOSED
self.end("normal", "mplayer dead")
else:
self.tick_timer = self.canvas.after(50, self.play_state_machine)
elif self.play_state == AudioPlayer._WAITING:
# self.mon.log(self," State machine: " + self.play_state)
if self.quit_signal == True or (self.duration_limit > 0 and self.duration_count > self.duration_limit):
self.mon.log(self, " Service stop required signal or timeout from wait")
self.quit_signal = False
self.play_state = AudioPlayer._CLOSED
self.end("normal", "mplayer dead")
else:
self.tick_timer = self.canvas.after(50, self.play_state_machine)
def stop_mplayer(self):
# send signal to stop the track to the state machine
self.mon.log(self, " >stop mplayer received from state machine")
if self.play_state == AudioPlayer._PLAYING:
self.mplayer.stop()
return True
else:
self.mon.log(self, "!<stop rejected")
return False
# *****************
# ending the player
# *****************
def end(self, reason, message):
# stop the plugin
if self.track_params["plugin"] <> "":
self.pim.stop_plugin()
# abort the timer
if self.tick_timer <> None:
self.canvas.after_cancel(self.tick_timer)
self.tick_timer = None
if reason in ("error", "killed"):
self.end_callback(reason, message)
self = None
else:
# normal end so do show control and animation
# Control concurrent shows at end
reason, message = self.show_manager.show_control(self.track_params["show-control-end"])
if reason == "error":
self.mon.err(self, message)
self.end_callback(reason, message)
self = None
else:
# clear events list for this track
if self.track_params["animate-clear"] == "yes":
self.ppio.clear_events_list(id(self))
# create animation events for ending
reason, message = self.ppio.animate(self.animate_end_text, id(self))
if reason == "error":
self.mon.err(self, message)
self.end_callback(reason, message)
self = None
else:
self.end_callback("normal", "track has terminated or quit")
self = None
# *****************
# displaying things
# *****************
def display_content(self):
# if self.background_file<>'' or self.show_params['show-text']<> '' or #self.track_params['track-text']<> '' or self.enable_menu== True or #self.track_params['clear-screen']=='yes':
if self.track_params["clear-screen"] == "yes":
self.canvas.delete("pp-content")
# self.canvas.update()
# background colour
if self.background_colour <> "":
self.canvas.config(bg=self.background_colour)
if self.background_file <> "":
self.background_img_file = self.complete_path(self.background_file)
if not os.path.exists(self.background_img_file):
self.mon.err(self, "Audio background file not found: " + self.background_img_file)
self.end("error", "Audio background file not found")
else:
pil_background_img = PIL.Image.open(self.background_img_file)
self.background = PIL.ImageTk.PhotoImage(pil_background_img)
self.drawn = self.canvas.create_image(
int(self.canvas["width"]) / 2,
int(self.canvas["height"]) / 2,
image=self.background,
anchor=CENTER,
tag="pp-content",
)
# execute the plugin if required
if self.track_params["plugin"] <> "":
reason, message, self.track = self.pim.do_plugin(self.track, self.track_params["plugin"])
if reason <> "normal":
return reason, message
# display hint text if enabled
if self.enable_menu == True:
self.canvas.create_text(
int(self.show_params["hint-x"]),
int(self.show_params["hint-y"]),
text=self.show_params["hint-text"],
fill=self.show_params["hint-colour"],
font=self.show_params["hint-font"],
anchor=NW,
tag="pp-content",
)
# display show text if enabled
if self.show_params["show-text"] <> "" and self.track_params["display-show-text"] == "yes":
self.canvas.create_text(
int(self.show_params["show-text-x"]),
int(self.show_params["show-text-y"]),
anchor=NW,
text=self.show_params["show-text"],
fill=self.show_params["show-text-colour"],
font=self.show_params["show-text-font"],
tag="pp-content",
)
# display track text if enabled
if self.track_params["track-text"] <> "":
self.canvas.create_text(
int(self.track_params["track-text-x"]),
int(self.track_params["track-text-y"]),
anchor=NW,
text=self.track_params["track-text"],
fill=self.track_params["track-text-colour"],
font=self.track_params["track-text-font"],
tag="pp-content",
)
self.mon.log(self, "Displayed background and text ")
self.canvas.tag_raise("pp-click-area")
self.canvas.update_idletasks()
return "normal", ""
# *****************
# utilities
# *****************
def complete_path(self, track_file):
# complete path of the filename of the selected entry
if track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(self, "Background image is " + track_file)
return track_file
class OMXDriver(object):
# adjust this to determine freeze after the first frame
after_first_frame_position =-50000 # microseconds
_LAUNCH_CMD = '/usr/bin/omxplayer --no-keys ' # needs changing if user has installed his own version of omxplayer elsewhere
# add more keys here, see popcornmix/omxplayer github files readme.md and KeyConfig.h
KEY_MAP = {'<':3,'>':4,'z':5,'j':6,'k':7,'i':8,'o':9,'n':10,'m':11,'s':12,
'-': 17, '+': 18, '=':18,'x':30,'w':31}
def __init__(self,widget,pp_dir):
self.widget=widget
self.pp_dir=pp_dir
self.mon=Monitor()
self.start_play_signal=False
self.end_play_signal=False
self.end_play_reason='nothing'
self.duration=0
self.video_position=0
self.pause_at_end_required=False
self.paused_at_end=False
self.pause_at_end_time=0
# self.pause_before_play_required='before-first-frame' #no,before-first-frame, after-first-frame
# self.pause_before_play_required='no'
self.paused_at_start='False'
self.paused=False
self.terminate_reason=''
# dbus and subprocess
self._process=None
self.__iface_root=None
self.__iface_props = None
self.__iface_player = None
def load(self, track, freeze_at_start,options,caller):
self.pause_before_play_required=freeze_at_start
self.caller=caller
track= "'"+ track.replace("'","'\\''") + "'"
# self.mon.log(self,'TIME OF DAY: '+ strftime("%Y-%m-%d %H:%M"))
self.dbus_user = os.environ["USER"]
self.id=str(int(time()*10))
self.dbus_name = "org.mpris.MediaPlayer2.omxplayer"+self.id
self.omxplayer_cmd = OMXDriver._LAUNCH_CMD + options + " --dbus_name '"+ self.dbus_name + "' " + track
# self.mon.log(self, 'dbus user ' + self.dbus_user)
# self.mon.log(self, 'dbus name ' + self.dbus_name)
# print self.omxplayer_cmd
self.mon.log(self, "Send command to omxplayer: "+ self.omxplayer_cmd)
# self._process=subprocess.Popen(self.omxplayer_cmd,shell=True,stdout=file('/home/pi/pipresents/pp_logs/stdout.txt','a'),stderr=file('/home/pi/pipresents/pp_logs/stderr.txt','a'))
self._process=subprocess.Popen(self.omxplayer_cmd,shell=True,stdout=file('/dev/null','a'),stderr=file('/dev/null','a'))
self.pid=self._process.pid
# wait for omxplayer to start then start monitoring thread
self.dbus_tries = 0
self.omx_loaded = False
self._wait_for_dbus()
return
def _wait_for_dbus(self):
connect_success=self.__dbus_connect()
if connect_success is True:
# print 'SUCCESS'
self.mon.log(self,'connected to omxplayer dbus after ' + str(self.dbus_tries) + ' centisecs')
# get duration of the track in microsecs if fails return a very large duration
# posibly faile because omxplayer is running but not omxplayer.bin
duration_success,duration=self.get_duration()
if duration_success is False:
self.mon.warn(self,'get duration failed for n attempts using '+ str(duration/60000000)+ ' minutes')
# calculate time to pause before last frame
self.duration = duration
self.pause_at_end_time = duration - 350000
# start the thread that is going to monitor output from omxplayer.
self._monitor_status()
else:
self.dbus_tries+=1
self.widget.after(100,self._wait_for_dbus)
def _monitor_status(self):
# print '\n',self.id, '** STARTING ',self.duration
self.start_play_signal=False
self.end_play_signal=False
self.end_play_reason='nothing'
self.paused_at_end=False
self.paused_at_start='False'
self.delay = 50
self.widget.after(0,self._status_loop)
"""
freeze at start
'no' - unpause in show - test !=0
'before_first_frame' - don't unpause in show, test !=0
'after_first_frame' - don't unpause in show, test > -100000
"""
def _status_loop(self):
if self.is_running() is False:
# process is not running because quit or natural end - seems not to happen
self.end_play_signal=True
self.end_play_reason='nice_day'
# print ' send nice day - process not running'
return
else:
success, video_position = self.get_position()
# if video_position <= 0: print 'read position',video_position
if success is False:
# print 'send nice day - exception when reading video position'
self.end_play_signal=True
self.end_play_reason='nice_day'
return
else:
self.video_position=video_position
# if timestamp is near the end then pause
if self.pause_at_end_required is True and self.video_position>self.pause_at_end_time: #microseconds
# print 'pausing at end, leeway ',self.duration - self.video_position
pause_end_success = self.pause(' at end of track')
if pause_end_success is True:
# print self.id,' pause for end success', self.video_position
self.paused_at_end=True
self.end_play_signal=True
self.end_play_reason='pause_at_end'
return
else:
print 'pause at end failed, probably because of delay after detection, just run on'
self.widget.after(self.delay,self._status_loop)
else:
# need to do the pausing for preload after first timestamp is received 0 is default value before start
# print self.pause_before_play_required,self.paused_at_start,self.video_position,OMXDriver.after_first_frame_position
if (self.pause_before_play_required == 'after-first-frame' and self.paused_at_start == 'False' and self.video_position >OMXDriver.after_first_frame_position)\
or(self.pause_before_play_required != 'after-first-frame' and self.paused_at_start == 'False' and self.video_position !=0):
pause_after_load_success=self.pause('after load')
if pause_after_load_success is True:
# print self.id,' pause after load success',self.video_position
self.start_play_signal = True
self.paused_at_start='True'
else:
# should never fail, just warn at the moment
# print 'pause after load failed ' + str(self.video_position)
self.mon.warn(self, str(self.id)+ ' pause after load fail ' + str(self.video_position))
self.widget.after(self.delay,self._status_loop)
else:
self.widget.after(self.delay,self._status_loop)
def show(self,freeze_at_end_required,initial_volume):
self.initial_volume=initial_volume
self.pause_at_end_required=freeze_at_end_required
# unpause to start playing
if self.pause_before_play_required =='no':
unpause_show_success=self.unpause(' to start showing')
# print 'unpause for show',self.paused
if unpause_show_success is True:
pass
# print self.id,' unpause for show success', self.video_position
else:
# should never fail, just warn at the moment
self.mon.warn(self, str(self.id)+ ' unpause for show fail ' + str(self.video_position))
def control(self,char):
val = OMXDriver.KEY_MAP[char]
self.mon.log(self,'>control received and sent to omxplayer ' + str(self.pid))
if self.is_running():
try:
self.__iface_player.Action(dbus.Int32(val))
except dbus.exceptions.DBusException as ex:
self.mon.warn(self,'Failed to send control - dbus exception: {}'.format(ex.get_dbus_message()))
return
else:
self.mon.warn(self,'Failed to send control - process not running')
return
# USE ONLY at end and after load
# return succces of the operation, several tries if pause did not work and no error reported.
def pause(self,reason):
self.mon.log(self,'pause received '+reason)
if self.paused is False:
self.mon.log(self,'not paused so send pause '+reason)
tries=1
while True:
if self.send_pause() is False:
# failed for good reason
return False
status=self.omxplayer_is_paused() # test omxplayer after sending the command
if status == 'Paused':
self.paused = True
return True
if status == 'Failed':
# failed for good reason because of exception or process not running caused by end of track
return False
else:
# failed for no good reason
self.mon.warn(self, '!!!!! repeat pause ' + str(tries))
# print self.id,' !!!!! repeat pause ',self.video_position, tries
tries +=1
if tries >5:
# print self.id, ' pause failed for n attempts'
self.mon.warn(self,'pause failed for n attempts')
return False
# repeat
# USE ONLY for show
def unpause(self,reason):
self.mon.log(self,'Unpause received '+ reason)
if self.paused is True:
self.mon.log(self,'Is paused so Track will be unpaused '+ reason)
tries=1
while True:
if self.send_unpause() is False:
return False
status = self.omxplayer_is_paused() # test omxplayer
if status == 'Playing':
self.paused = False
self.paused_at_start='done'
self.set_volume(self.initial_volume)
return True
if status == 'Failed':
# failed for good reason because of exception or process not running caused by end of track
return False
else:
# self.mon.warn(self, '!!!!! repeat unpause ' + str(tries))
# print self.id,' !!!! repeat unpause ',self.video_position, tries
tries +=1
if tries >200:
# print self.id, ' unpause failed for n attempts'
self.mon.warn(self,'unpause failed for 200 attempts')
return False
def omxplayer_is_paused(self):
if self.is_running():
try:
result=self.__iface_props.PlaybackStatus()
except dbus.exceptions.DBusException as ex:
self.mon.warn(self,'Failed to test paused - dbus exception: {}'.format(ex.get_dbus_message()))
return 'Failed'
return result
else:
self.mon.warn(self,'Failed to test paused - process not running')
# print self.id,' test paused not successful - process'
return 'Failed'
def send_pause(self):
if self.is_running():
try:
self.__iface_player.Pause()
except dbus.exceptions.DBusException as ex:
self.mon.warn(self,'Failed to send pause - dbus exception: {}'.format(ex.get_dbus_message()))
return False
return True
else:
self.mon.warn(self,'Failed to send pause - process not running')
# print self.id,' send pause not successful - process'
return False
def send_unpause(self):
if self.is_running():
try:
self.__iface_player.Action(16)
except dbus.exceptions.DBusException as ex:
self.mon.warn(self,'Failed to send unpause - dbus exception: {}'.format(ex.get_dbus_message()))
return False
return True
else:
self.mon.warn(self,'Failed to send unpause - process not running')
# print self.id,' send unpause not successful - process'
return False
def pause_on(self):
self.mon.log(self,'pause on received ')
# print 'pause on',self.paused
if self.paused is True:
return
if self.is_running():
try:
# self.__iface_player.Action(16)
self.__iface_player.Pause() # - this should work but does not!!!
self.paused=True
# print 'paused OK'
return
except dbus.exceptions.DBusException as ex:
self.mon.warn(self,'Failed to do pause on - dbus exception: {}'.format(ex.get_dbus_message()))
return
else:
self.mon.warn(self,'Failed to do pause on - process not running')
return
def pause_off(self):
self.mon.log(self,'pause off received ')
# print 'pause off',self.paused
if self.paused is False:
return
if self.is_running():
try:
self.__iface_player.Action(16)
self.paused=False
# print 'not paused OK'
return
except dbus.exceptions.DBusException as ex:
self.mon.warn(self,'Failed to do pause off - dbus exception: {}'.format(ex.get_dbus_message()))
return
else:
self.mon.warn(self,'Failed to do pause off - process not running')
return
def toggle_pause(self,reason):
self.mon.log(self,'toggle pause received '+ reason)
if self.is_running():
try:
self.__iface_player.Action(16)
if not self.paused:
self.paused = True
else:
self.paused=False
except dbus.exceptions.DBusException as ex:
self.mon.warn(self,'Failed to toggle pause - dbus exception: {}'.format(ex.get_dbus_message()))
return
else:
self.mon.warn(self,'Failed to toggle pause - process not running')
return
def go(self):
self.mon.log(self,'go received ')
self.unpause('for go')
def mute(self):
self.__iface_player.Mute()
def unmute(self):
self.__iface_player.Unmute()
def set_volume(self,millibels):
volume = pow(10, millibels / 2000.0);
self.__iface_props.Volume(volume)
def stop(self):
self.mon.log(self,'>stop received and quit sent to omxplayer ' + str(self.pid))
# need to send 'nice day'
if self.paused_at_end is True:
self.end_play_signal=True
self.end_play_reason='nice_day'
# print 'send nice day for close track'
if self.is_running():
try:
self.__iface_root.Quit()
except dbus.exceptions.DBusException as ex:
self.mon.warn(self,'Failed to quit - dbus exception: {}'.format(ex.get_dbus_message()))
return
else:
self.mon.warn(self,'Failed to quit - process not running')
return
# kill the subprocess (omxplayer and omxplayer.bin). Used for tidy up on exit.
def terminate(self,reason):
self.terminate_reason=reason
self.stop()
def get_terminate_reason(self):
return self.terminate_reason
# test of whether _process is running
def is_running(self):
retcode=self._process.poll()
# print 'is alive', retcode
if retcode is None:
return True
else:
return False
# kill off omxplayer when it hasn't terminated at the end of a track.
# send SIGINT (CTRL C) so it has a chance to tidy up daemons and omxplayer.bin
def kill(self):
if self.is_running()is True:
self._process.send_signal(signal.SIGINT)
def get_position(self):
# don't test process as is done just before
try:
micros = self.__iface_props.Position()
return True,micros
except dbus.exceptions.DBusException as ex:
# print 'Failed get_position - dbus exception: {}'.format(ex.get_dbus_message())
return False,-1
def get_duration(self):
tries=1
while True:
success,duration=self._try_duration()
if success is True:
return True,duration
else:
self.mon.warn(self, 'repeat get duration ' + str(tries))
tries +=1
if tries >5:
return False,sys.maxint*100
def _try_duration(self):
"""Return the total length of the playing media"""
if self.is_running() is True:
try:
micros = self.__iface_props.Duration()
return True,micros
except dbus.exceptions.DBusException as ex:
self.mon.warn(self,'Failed get duration - dbus exception: {}'.format(ex.get_dbus_message()))
return False,-1
else:
return False,-1
# *********************
# connect to dbus
# *********************
def __dbus_connect(self):
if self.omx_loaded is False:
# read the omxplayer dbus data from files generated by omxplayer
bus_address_filename = "/tmp/omxplayerdbus.{}".format(self.dbus_user)
bus_pid_filename = "/tmp/omxplayerdbus.{}.pid".format(self.dbus_user)
if not os.path.exists(bus_address_filename):
self.mon.log(self, 'waiting for bus address file ' + bus_address_filename)
self.omx_loaded=False
return False
else:
f = open(bus_address_filename, "r")
bus_address = f.read().rstrip()
if bus_address == '':
self.mon.log(self, 'waiting for bus address in file ' + bus_address_filename)
self.omx_loaded=False
return False
else:
# self.mon.log(self, 'bus address found ' + bus_address)
if not os.path.exists(bus_pid_filename):
self.mon.warn(self, 'bus pid file does not exist ' + bus_pid_filename)
self.omx_loaded=False
return False
else:
f= open(bus_pid_filename, "r")
bus_pid = f.read().rstrip()
if bus_pid == '':
self.omx_loaded=False
return False
else:
# self.mon.log(self, 'bus pid found ' + bus_pid)
os.environ["DBUS_SESSION_BUS_ADDRESS"] = bus_address
os.environ["DBUS_SESSION_BUS_PID"] = bus_pid
self.omx_loaded = True
if self.omx_loaded is True:
session_bus = dbus.SessionBus()
try:
omx_object = session_bus.get_object(self.dbus_name, "/org/mpris/MediaPlayer2", introspect=False)
self.__iface_root = dbus.Interface(omx_object, "org.mpris.MediaPlayer2")
self.__iface_props = dbus.Interface(omx_object, "org.freedesktop.DBus.Properties")
self.__iface_player = dbus.Interface(omx_object, "org.mpris.MediaPlayer2.Player")
except dbus.exceptions.DBusException as ex:
# self.mon.log(self,"Waiting for dbus connection to omxplayer: {}".format(ex.get_dbus_message()))
return False
return True
class IOPluginManager(object):
plugins=[]
def __init__(self):
self.mon=Monitor()
def init(self,pp_dir,pp_profile,widget,callback):
self.pp_dir=pp_dir
self.pp_profile=pp_profile
IOPluginManager.plugins=[]
if os.path.exists(self.pp_profile+os.sep+'pp_io_config'):
# read the .cfg files in /pp_io_config in profile registring the I/O plugin
for cfgfile in os.listdir(self.pp_profile+os.sep+'pp_io_config'):
if cfgfile in ('screen.cfg','osc.cfg'):
continue
cfgfilepath = self.pp_profile+os.sep+'pp_io_config'+os.sep+cfgfile
status,message=self.init_config(cfgfile,cfgfilepath,widget,callback)
if status == 'error':
return status,message
#read .cfg file in /pipresents/pp_io_config if file not present in profile then use this one
for cfgfile in os.listdir(self.pp_dir+os.sep+'pp_io_config'):
if cfgfile in ('screen.cfg','osc.cfg'):
continue
if not os.path.exists(self.pp_profile+os.sep+'pp_io_config'+os.sep+cfgfile):
cfgfilepath=self.pp_dir+os.sep+'pp_io_config'+os.sep+cfgfile
status,message=self.init_config(cfgfile,cfgfilepath,widget,callback)
if status == 'error':
return status,message
# print IOPluginManager.plugins
return 'normal','I/O Plugins registered'
def init_config(self,cfgfile,cfgfilepath,widget,callback):
# print cfgfile,cfgfilepath
reason,message,config=self._read(cfgfile,cfgfilepath)
if reason =='error':
self.mon.err(self,'Failed to read '+cfgfile + ' ' + message)
return 'error','Failed to read '+cfgfile + ' ' + message
if config.has_section('DRIVER') is False:
self.mon.err(self,'No DRIVER section in '+cfgfilepath)
return 'error','No DRIVER section in '+cfgfilepath
entry = dict()
#read information from DRIVER section
entry['title']=config.get('DRIVER','title')
if config.get('DRIVER','enabled')=='yes':
driver_name=config.get('DRIVER','module')
driver_path=self.pp_dir+os.sep+'pp_io_plugins'+os.sep+driver_name+'.py'
if not os.path.exists(driver_path):
self.mon.err(self,driver_name + ' Driver not found in ' + driver_path)
return 'error',driver_name + ' Driver not found in ' + driver_path
instance = self._load_plugin_file(driver_name,self.pp_dir+os.sep+'pp_io_plugins')
reason,message=instance.init(cfgfile,cfgfilepath,widget,callback)
if reason=='warn':
self.mon.warn(self,message)
return 'error',message
if reason=='error':
self.mon.warn(self,message)
return 'error',message
entry['instance']=instance
self.mon.log(self,message)
IOPluginManager.plugins.append(entry)
return 'normal','I/O Plugins registered'
def start(self):
for entry in IOPluginManager.plugins:
plugin=entry['instance']
if plugin.is_active() is True:
plugin.start()
def terminate(self):
for entry in IOPluginManager.plugins:
plugin=entry['instance']
if plugin.is_active() is True:
plugin.terminate()
self.mon.log(self,'I/O plugin '+entry['title']+ ' terminated')
def get_input(self,key):
for entry in IOPluginManager.plugins:
plugin=entry['instance']
# print 'trying ',entry['title'],plugin.is_active()
if plugin.is_active() is True:
found,value = plugin.get_input(key)
if found is True:
return found,value
# key not found in any plugin
return False,None
def handle_output_event(self,name,param_type,param_values,req_time):
for entry in IOPluginManager.plugins:
plugin=entry['instance']
# print 'trying ',entry['title'],name,param_type,plugin.is_active()
if plugin.is_active() is True:
reason,message= plugin.handle_output_event(name,param_type,param_values,req_time)
if reason == 'error':
# self.mon.err(self,message)
return 'error',message
else:
self.mon.log(self,message)
return 'normal','output scan complete'
def _load_plugin_file(self, name, driver_dir):
fp, pathname,description = imp.find_module(name,[driver_dir])
module_id = imp.load_module(name,fp,pathname,description)
plugin_class = getattr(module_id,name)
return plugin_class()
def _read(self,filename,filepath):
if os.path.exists(filepath):
config = ConfigParser.ConfigParser()
config.read(filepath)
self.mon.log(self,filename+" read from "+ filepath)
return 'normal',filename+' read',config
else:
return 'error',filename+' not found at: '+filepath,None
class Network(object):
ip=''
interface=''
def __init__(self):
self.mon=Monitor()
def get_ip(self):
return Network.interface, Network.ip
def set_ip(self, interface,ip):
Network.interface = interface
Network.ip = ip
def read_config(self,options_file_path):
config=ConfigParser.ConfigParser()
config.read(options_file_path)
self.preferred_interface=config.get('network','preferred_interface',0)
self.unit=config.get('network','unit',0)
self.force_ip=config.get('network','force_ip',0)
self.manager_port=int(config.get('manager','port',0))
self.manager_username=config.get('manager','username',0)
self.manager_password=config.get('manager','password',0)
self.editor_username=config.get('editor','username',0)
self.editor_password=config.get('editor','password',0)
self.editor_port=int(config.get('editor','port',0))
def wait_for_network(self,tries):
i=0
while True:
if self.is_connected() is True:
return True
else:
i+=1
self.mon.log(self, 'Trying to connect to network ' + str(i))
if i>tries:
return False
sleep(1)
def is_connected(self):
interfaces,ips = self.get_ips()
if interfaces == 0:
return False
else:
return True
def get_ips(self):
arg='ip route list'
p=subprocess.Popen(arg,shell=True,stdout=subprocess.PIPE)
data = p.communicate()
# Split data [0] obtained from stdout into lines
# print ' data is',data[0]
ip_lines = data[0].splitlines()
if len(ip_lines) == 0:
# print 'not connected'
return 0, []
interfaces=0
result=[]
for line in ip_lines:
fields= line.split()
if fields[0] != 'default':
interface= fields[fields.index('dev')+1]
ip = fields[fields.index('src')+1]
interfaces +=1
result=result + [[interface,ip]]
return interfaces, result
def get_preferred_ip(self):
# returned ip_type
# none available - return ''
# 1 available - return it
# 2 or more available - return one that matches or if none match first found
if self.force_ip.strip() != '':
return self.preferred_interface,self.force_ip
number, interfaces=self.get_ips()
# print interfaces,ips
if number == 0:
return '',''
elif number == 1:
#if one interface return only
i_type = interfaces[0][0]
ip = interfaces[0][1]
return i_type,ip
else:
i_type=''
for interface in interfaces:
if interface[0] == self.preferred_interface:
i_type=interface[0]
ip=interface[1]
return i_type,ip
# nothing matches preferred so use first one
i_type=interfaces[0][0]
ip=interfaces[0][1]
return i_type,ip
class PPIO:
"""
PPIO provides some IO facilties for Pi presents
- configures GPIO pins from data in gpio.cfg
- reads and debounces inputs pins, provides callbacks on state changes which are used to trigger mediashows
- for output pins allows players to put events, which request the change of state of pins, into a queue. Events are executed at the required time.
"""
# constants for buttons
# cofiguration from gpio.cfg
PIN=0 # pin on RPi board GPIO connector e.g. P1-11
DIRECTION = 1 # IN/OUT/NONE (None is not used)
NAME = 2 # name for output
RISING_NAME=3 # name for rising edge callback
FALLING_NAME=4 # name ofr falling edge callback
ONE_NAME=5 # name for one state callback
ZERO_NAME = 6 # name for zero state callback
REPEAT = 7 #reperat interval for state callbacks (mS)
THRESHOLD = 8 # threshold of debounce count for state change to be considered
PULL = 9 # pull up or down or none
# dynamic data
COUNT=10 # variable - count of the number of times the input has been 0 (limited to threshold)
PRESSED = 11 # variable - debounced state
LAST = 12 # varible - last state - used to detect edge
REPEAT_COUNT = 13
TEMPLATE = ['', #pin
'', # direction
'', #name
'','','','', #input names
0, # repeat
0, #threshold
'', #pull
0,False,False,0] #dynamics
PINLIST = ('P1-03','P1-05','P1-07','P1-08',
'P1-10','P1-11','P1-12','P1-13','P1-15','P1-16','P1-18','P1-19',
'P1-21','P1-22','P1-23','P1-24','P1-26')
# index of shutdown pin
SHUTDOWN_INDEX=0
# constants for sequencer
SEQUENCER_PIN = 0 # GPIO pin number, the xx in P1-xx
SEQUENCER_TO_STATE = 1 # False = off , True =on
SEQUENCER_TIME = 2 # time since the epoch in seconds
SEQUENCER_TAG = 3 # tag used to delete all matching event, usually a track reference.
# CLASS VARIABLES
events=[]
pins=[]
last_poll_time=0
options=None
# gpio_enabled=False
EVENT_TEMPLATE=[0,False,0,None]
#executed by main program and by each object using gpio
def __init__(self):
self.mon=Monitor()
self.mon.on()
self.options=command_options()
# executed once from main program
def init(self,pp_dir,pp_home,pp_profile,widget,button_tick,callback=None):
# instantiate arguments
self.widget=widget
self.pp_dir=pp_dir
self.pp_profile=pp_profile
self.pp_home=pp_home
self.button_tick=button_tick
self.callback=callback
PPIO.SHUTDOWN_INDEX=0
# read gpio.cfg file.
if self.read(self.pp_dir,self.pp_home,self.pp_profile)==False:
return False
import RPi.GPIO as GPIO
self.GPIO = GPIO
#construct the GPIO control list from the configuration
for index, pin_def in enumerate(PPIO.PINLIST):
pin=copy.deepcopy(PPIO.TEMPLATE)
pin_bits = pin_def.split('-')
pin_num=pin_bits[1:]
pin[PPIO.PIN]=int(pin_num[0])
if self.config.has_section(pin_def)==False:
self.mon.log(self, "no pin definition for "+ pin_def)
pin[PPIO.DIRECTION]='None'
else:
# unused pin
if self.config.get(pin_def,'direction')=='none':
pin[PPIO.DIRECTION]='none'
else:
pin[PPIO.DIRECTION]=self.config.get(pin_def,'direction')
if pin[PPIO.DIRECTION]=='in':
# input pin
pin[PPIO.RISING_NAME]=self.config.get(pin_def,'rising-name')
pin[PPIO.FALLING_NAME]=self.config.get(pin_def,'falling-name')
pin[PPIO.ONE_NAME]=self.config.get(pin_def,'one-name')
pin[PPIO.ZERO_NAME]=self.config.get(pin_def,'zero-name')
if pin[PPIO.FALLING_NAME]=='pp-shutdown':
PPIO.SHUTDOWN_INDEX=index
if self.config.get(pin_def,'repeat')<>'':
pin[PPIO.REPEAT]=int(self.config.get(pin_def,'repeat'))
else:
pin[PPIO.REPEAT]=-1
pin[PPIO.THRESHOLD]=int(self.config.get(pin_def,'threshold'))
if self.config.get(pin_def,'pull-up-down')=='up':
pin[PPIO.PULL]=GPIO.PUD_UP
elif self.config.get(pin_def,'pull-up-down')=='down':
pin[PPIO.PULL]=GPIO.PUD_DOWN
else:
pin[PPIO.PULL]=GPIO.PUD_OFF
else:
# output pin
pin[PPIO.NAME]=self.config.get(pin_def,'name')
# print pin
PPIO.pins.append(copy.deepcopy(pin))
# setup GPIO
self.GPIO.setwarnings(False)
self.GPIO.setmode(self.GPIO.BOARD)
# set up the GPIO inputs and outputs
for index, pin in enumerate(PPIO.pins):
num = pin[PPIO.PIN]
if pin[PPIO.DIRECTION]=='in':
self.GPIO.setup(num,self.GPIO.IN,pull_up_down=pin[PPIO.PULL])
elif pin[PPIO.DIRECTION]=='out':
self.GPIO.setup(num,self.GPIO.OUT)
self.GPIO.setup(num,False)
self.reset_inputs()
PPIO.gpio_enabled=True
#init timer
self.button_tick_timer=None
PPIO.last_scheduler_time=long(time.time())
return True
# called by main program only
def poll(self):
# look at the buttons
self.do_buttons()
# kick off output pin sequencer
poll_time=long(time.time())
# is current time greater than last time the sceduler was run (previous second or more)
# run in a loop to catch up because root.after can get behind when images are being rendered etc.
while PPIO.last_scheduler_time<=poll_time:
self.do_sequencer(PPIO.last_scheduler_time)
PPIO.last_scheduler_time +=1
# and loop
self.button_tick_timer=self.widget.after(self.button_tick,self.poll)
# called by main program only
def terminate(self):
if self.button_tick_timer<>None:
self.widget.after_cancel(self.button_tick_timer)
self.clear_events_list(None)
self.reset_outputs()
self.GPIO.cleanup()
# ************************************************
# gpio input functions
# called by main program only
# ************************************************
def reset_inputs(self):
for pin in PPIO.pins:
pin[PPIO.COUNT]=0
pin[PPIO.PRESSED]==False
pin[PPIO.LAST]==False
pin[PPIO.REPEAT_COUNT]=pin[PPIO.REPEAT]
# index is of the pins array, provided by the callback ***** needs to be name
def shutdown_pressed(self):
if PPIO.SHUTDOWN_INDEX<>0:
return PPIO.pins[PPIO.SHUTDOWN_INDEX][PPIO.PRESSED]
else:
return False
def do_buttons(self):
for index, pin in enumerate(PPIO.pins):
if pin[PPIO.DIRECTION]=='in':
# debounce
if self.GPIO.input(pin[PPIO.PIN])==0:
if pin[PPIO.COUNT]<pin[PPIO.THRESHOLD]:
pin[PPIO.COUNT]+=1
if pin[PPIO.COUNT]==pin[PPIO.THRESHOLD]:
pin[PPIO.PRESSED]=True
else: # input us 1
if pin[PPIO.COUNT]>0:
pin[PPIO.COUNT]-=1
if pin[PPIO.COUNT]==0:
pin[PPIO.PRESSED]=False
#detect edges
# falling edge
if pin[PPIO.PRESSED]==True and pin[PPIO.LAST]==False:
pin[PPIO.LAST]=pin[PPIO.PRESSED]
pin[PPIO.REPEAT_COUNT]=pin[PPIO.REPEAT]
if pin[PPIO.FALLING_NAME]<>'' and self.callback <> None:
self.callback(index, pin[PPIO.FALLING_NAME],"falling")
#rising edge
if pin[PPIO.PRESSED]==False and pin[PPIO.LAST]==True:
pin[PPIO.LAST]=pin[PPIO.PRESSED]
pin[PPIO.REPEAT_COUNT]=pin[PPIO.REPEAT]
if pin[PPIO.RISING_NAME]<>'' and self.callback <> None:
self.callback(index, pin[PPIO.RISING_NAME],"rising")
# do state callbacks
if pin[PPIO.REPEAT_COUNT]==0:
if pin[PPIO.ZERO_NAME]<>'' and pin[PPIO.PRESSED]==True and self.callback<>None:
self.callback(index, pin[PPIO.ZERO_NAME],"zero")
if pin[PPIO.ONE_NAME]<>'' and pin[PPIO.PRESSED]==False and self.callback<>None:
self.callback(index, pin[PPIO.ONE_NAME],"zero")
pin[PPIO.REPEAT_COUNT]=pin[PPIO.REPEAT]
else:
if pin[PPIO.REPEAT]<>-1:
pin[PPIO.REPEAT_COUNT]-=1
# ************************************************
# gpio output sequencer functions
# ************************************************
# execute events at the appropriate time and remove from list (runs from main program only)
# runs through list a number of times because of problems with pop messing up list
def do_sequencer(self,schedule_time):
# print 'sequencer run for: ' + str(schedule_time) + ' at ' + str(long(time.time()))
while True:
event_found=False
for index, item in enumerate(PPIO.events):
if item[PPIO.SEQUENCER_TIME]<=schedule_time:
event=PPIO.events.pop(index)
event_found=True
self.do_event(event[PPIO.SEQUENCER_PIN],event[PPIO.SEQUENCER_TO_STATE],item[PPIO.SEQUENCER_TIME])
break
if event_found==False: break
# execute an event
def do_event(self,pin,to_state,req_time):
self.mon.log (self,'pin P1-'+ str(pin)+ ' set '+ str(to_state) + ' required: ' + str(req_time)+ ' actual: ' + str(long(time.time())))
# print 'pin P1-'+ str(pin)+ ' set '+ str(to_state) + ' required: ' + str(req_time)+ ' actual: ' + str(long(time.time()))
self.GPIO.output(pin,to_state)
# ************************************************
# gpio output sequencer interface methods
# these can be called from many classes so need to operate on class variables
# ************************************************
def animate(self,text,tag):
if self.options['gpio']==True:
lines = text.split("\n")
for line in lines:
error_text=self.parse_animate_fields(line,tag)
if error_text <>'':
return 'error',error_text
return 'normal',''
return 'normal',''
# clear event list
def clear_events_list(self,tag):
if self.options['gpio']==True:
self.mon.log(self,'clear events list ')
# empty event list
if tag==None:
PPIO.events=[]
else:
self.remove_events(tag)
def reset_outputs(self):
if self.options['gpio']==True:
self.mon.log(self,'reset outputs')
for index, pin in enumerate(PPIO.pins):
num = pin[PPIO.PIN]
if pin[PPIO.DIRECTION]=='out':
self.GPIO.output(num,False)
# ************************************************
# internal functions
# these can be called from many classes so need to operate on class variables
# ************************************************
def parse_animate_fields(self,line,tag):
fields= line.split()
if len(fields)==0:
return ''
name=fields[0]
pin= self.pin_of(name)
if pin ==-1:
return 'Unknown gpio logical output in: ' + line
to_state_text=fields[1]
if not (to_state_text in ('on','off')):
return 'Illegal to-state in : '+ line
if to_state_text == 'on':
to_state=True
else:
to_state=False
if len(fields)==2:
delay_text='0'
else:
delay_text=fields[2]
if not delay_text.isdigit():
return 'Delay is not an integer in : '+ line
delay=int(delay_text)
self.add_event(pin,to_state,delay,tag)
# self.print_events()
return ''
def pin_of(self,name):
for pin in PPIO.pins:
# print " in list" + pin[PPIO.NAME] + str(pin[PPIO.PIN] )
if pin[PPIO.NAME]==name and pin[PPIO.DIRECTION]=='out':
return pin[PPIO.PIN]
return -1
def print_events(self):
print
for i in PPIO.events:
print i
def add_event(self,sequencer_pin,sequencer_to_state,sequencer_time,sequencer_tag):
poll_time=long(time.time())
# delay is 0 so just do it, don't queue it.
#if sequencer_time == 0:
#print "firing now",poll_time
#self.do_event(sequencer_pin,sequencer_to_state,poll_time)
#return
# prepare the event
event=PPIO.EVENT_TEMPLATE
event[PPIO.SEQUENCER_PIN]=sequencer_pin
event[PPIO.SEQUENCER_TO_STATE]=sequencer_to_state
event[PPIO.SEQUENCER_TIME]=sequencer_time+poll_time+1
event[PPIO.SEQUENCER_TAG]=sequencer_tag
# print event
# find the place in the events list and insert
# first item in the list is earliest, if two have the same time then last to be added is fired last.
abs_time=sequencer_time+poll_time
copy_event= copy.deepcopy(event)
for index, item in enumerate(PPIO.events):
if abs_time<item[PPIO.SEQUENCER_TIME]:
PPIO.events.insert(index,copy_event)
return copy_event
PPIO.events.append(copy_event)
return copy_event
# remove an event not used and does not work
def remove_event(self,event):
for index, item in enumerate(PPIO.events):
if event==item:
del PPIO.events[index]
return True
return False
# remove all the events with the same tag, usually a track reference
def remove_events(self,tag):
left=[]
for item in PPIO.events:
if tag<>item[PPIO.SEQUENCER_TAG]:
left.append(item)
PPIO.events= left
#self.print_events()
# ***********************************
# reading gpio.cfg functions
# ************************************
def read(self,pp_dir,pp_home,pp_profile):
# try inside profile
tryfile=pp_profile+os.sep+"gpio.cfg"
# self.mon.log(self,"Trying gpio.cfg in profile at: "+ tryfile)
if os.path.exists(tryfile):
filename=tryfile
else:
# try inside pp_home
# self.mon.log(self,"gpio.cfg not found at "+ tryfile+ " trying pp_home")
tryfile=pp_home+os.sep+"gpio.cfg"
if os.path.exists(tryfile):
filename=tryfile
else:
# try inside pipresents
# self.mon.log(self,"gpio.cfg not found at "+ tryfile + " trying inside pipresents")
tryfile=pp_dir+os.sep+'pp_home'+os.sep+"gpio.cfg"
if os.path.exists(tryfile):
filename=tryfile
else:
self.mon.log(self,"gpio.cfg not found at "+ tryfile)
self.mon.err(self,"gpio.cfg not found")
return False
self.config = ConfigParser.ConfigParser()
self.config.read(filename)
self.mon.log(self,"gpio.cfg read from "+ filename)
return True
class KbdDriver:
config=None
def __init__(self):
self.mon=Monitor()
self.mon.on()
# sets up tkinter keyboard events such that any key press
# does a callback to 'callback' with the event object and a symbolic name.
def bind_keys(self,widget,callback):
for option in KbdDriver.config.items('keys'):
condition=option[0]
symbolic_name=option[1]
# print condition,symbolic_name
widget.bind(condition, lambda event, name=symbolic_name: self.specific_key(callback,name))
# bind all the normal keys that return a printing character such that x produces pp-key-x
widget.bind("<Key>", lambda event : self.normal_key(callback,event))
## # bind special keys to the specified symbolic name
## widget.bind("<Break>", lambda event, name='pp-exit': self.specific_key(callback,name))
## widget.bind("<Escape>", lambda event, name='pp-stop': self.specific_key(callback,name))
## widget.bind("<Up>", lambda event, name='pp-up': self.specific_key(callback,name))
## widget.bind("<Down>", lambda event, name='pp-down': self.specific_key(callback,name))
## widget.bind("<Return>", lambda event, name='pp-play': self.specific_key(callback,name))
##
def specific_key(self,callback,name):
callback(name,'front','key')
# alphanumeric keys- convert to symbolic by adding pp-key-
def normal_key(self,callback,event):
key=event.char
if key<>'':
callback('pp-key-'+key,'front','key')
#read the key bindings from keys.cfg
def read(self,pp_dir,pp_home,pp_profile):
if KbdDriver.config==None:
# try inside profile
tryfile=pp_profile+os.sep+"keys.cfg"
# self.mon.log(self,"Trying keys.cfg in profile at: "+ tryfile)
if os.path.exists(tryfile):
filename=tryfile
else:
# try inside pp_home
# self.mon.log(self,"keys.cfg not found at "+ tryfile+ " trying pp_home")
tryfile=pp_home+os.sep+"keys.cfg"
if os.path.exists(tryfile):
filename=tryfile
else:
# try inside pipresents
# self.mon.log(self,"keys.cfg not found at "+ tryfile + " trying inside pipresents")
tryfile=pp_dir+os.sep+'pp_home'+os.sep+"keys.cfg"
if os.path.exists(tryfile):
filename=tryfile
else:
self.mon.log(self,"keys.cfg not found at "+ tryfile)
self.mon.err(self,"keys.cfg not found")
return False
KbdDriver.config = ConfigParser.ConfigParser()
KbdDriver.config.optionxform=str
KbdDriver.config.read(filename)
self.mon.log(self,"keys.cfg read from "+ filename)
if KbdDriver.config.has_section('keys')==False:
self.mon.err(self,"no [keys] section in keys.cfg")
return False
return True
def has_section(self,section):
if KbdDriver.config.has_section('keys')==False:
return False
class uzblDriver(object):
def __init__(self, widget):
self.widget = widget
self.mon = Monitor()
self.mon.on()
self._process = None
self.fifo = ""
def pause(self):
pass
def stop(self):
self.control("exit")
# kill the subprocess (uzbl). Used for tidy up on exit.
def terminate(self, reason):
self.terminate_reason = reason
if self.exists_fifo():
self.control("exit")
# self._process.close(force=True)
self.end_play_signal = True
def play(self, track, geometry):
self.start_play_signal = False
self.end_play_signal = False
# track= "'"+ track.replace("'","'\\''") + "'"
cmd = "uzbl-browser " + geometry + "--uri=" + track
self.mon.log(self, "Send command to uzbl: " + cmd)
self._process = pexpect.spawn(cmd)
# uncomment to monitor output to and input from uzbl (read pexpect manual)
# fout= file('/home/pi/pipresents/uzbllogfile.txt','w') #uncomment and change sys.stdout to fout to log to a file
# self._process.logfile_send = sys.stdout # send just commands to stdout
# self._process.logfile=fout # send all communications to log
# and poll for fifo to be available
self.get_fifo()
# poll for fifo to be available
# when it is set start_play_signal
# then monitor for it to be delted because browser is closed
# and the set end_play signal
def get_fifo(self):
"""
Look for UZBL's FIFO-file in /tmp.
Don't give up until it has been found.
"""
candidates = glob("/tmp/uzbl_fifo_*")
for file in candidates:
if S_ISFIFO(os_stat(file).st_mode):
self.mon.log(self, "Found UZBL fifo in %s." % file)
self.fifo = file
self.start_play_signal = True
return
# print 'not found trying again'
self.widget.after(500, self.get_fifo)
def exists_fifo(self):
if os.path.exists(self.fifo):
return True
else:
return False
# send commands to uzbl via the fifo
def control(self, data):
if self.exists_fifo():
self.mon.log(self, "send command to uzbl:" + data)
f = open(self.fifo, "a")
f.write("%s\n" % data)
f.close()
# test of whether _process is running
def is_running(self):
return self._process.isalive()
class MplayerDriver(object):
_STATUS_REXP = re.compile(r"V :\s*([\d.]+).*")
_DONE_REXP = re.compile(r"Exiting*")
_LAUNCH_CMD = 'mplayer -quiet '
def __init__(self,widget,pp_dir):
self.widget=widget
self.pp_dir=pp_dir
self.mon=Monitor()
self._process=None
self.paused=False
def control(self,char):
if self._process is not None:
self._process.send(char)
def pause(self):
if self._process is not None:
self._process.send('p')
if not self.paused:
self.paused = True
else:
self.paused=False
def play(self, track, options):
self._pp(track, options,False)
def prepare(self, track, options):
self._pp(track, options,True)
def show(self):
# unpause to start playing
if self._process is not None:
self._process.send('p')
self.paused = False
def stop(self):
if self._process is not None:
self._process.send('q')
# kill the subprocess (mplayer). Used for tidy up on exit.
def terminate(self,reason):
self.terminate_reason=reason
if self._process<>None:
self._process.send('q')
else:
self.end_play_signal=True
def get_terminate_reason(self):
return self.terminate_reason
# test of whether _process is running
def is_running(self):
return self._process.isalive()
# ***********************************
# INTERNAL FUNCTIONS
# ************************************
def _pp(self, track, options, pause_before_play):
self.paused=False
self.start_play_signal = False
self.end_play_signal=False
self.terminate_reason=''
track= "'"+ track.replace("'","'\\''") + "'"
cmd = MplayerDriver._LAUNCH_CMD +' '+options +" " + track
self.mon.log(self, "Send command to mplayer: "+ cmd)
self._process = pexpect.spawn(cmd)
# uncomment to monitor output to and input from mplayer (read pexpect manual)
fout= file(self.pp_dir + os.sep + 'pp_logs' + os.sep + 'mplayerlogfile.txt','w') #uncomment and change sys.stdout to fout to log to a file
# self._process.logfile_send = sys.stdout # send just commands to stdout
self._process.logfile=fout # send all communications to log file
if pause_before_play:
self._process.send('p')
self.paused = True
# start the thread that is going to monitor sys.stdout. Presumably needs a thread because of blocking
self._position_thread = Thread(target=self._get_position)
self._position_thread.start()
def _get_position(self):
# print 'hang'
# while True:
# pass
self.start_play_signal = True
self.audio_position=0.0
while True:
index = self._process.expect([MplayerDriver._DONE_REXP,
pexpect.TIMEOUT,
pexpect.EOF,
MplayerDriver._STATUS_REXP],
timeout=10)
# mplayer does not produce regular status messages just 'exit' at end
if index == 0: # nice day
# print 'nice day'
self.end_play_signal=True
break
else:
# matches _STATUS_REXP so audio position
self.audio_position = 0.0
sleep(0.05)
class LiveShow:
""" plays a set of tracks the content of which is dynamically specified by plaacing track files
in one of two directories. Tracks are played in file leafname alphabetical order.
Can be interrupted
"""
# *******************
# External interface
# ********************
def __init__(self,
show_params,
root,
canvas,
showlist,
pp_dir,
pp_home,
pp_profile):
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show_params =show_params
self.showlist=showlist
self.root=root
self.canvas=canvas
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
#create and instance of TimeOfDay scheduler so we can add events
self.tod=TimeOfDay()
# Init variables
self.player=None
self.shower=None
self.end_liveshow_signal=False
self.end_trigger_signal= False
self.play_child_signal = False
self.error=False
self.egg_timer=None
self.duration_timer=None
self.state='closed'
self.livelist=None
self.new_livelist= None
def play(self,show_id,end_callback,ready_callback, top=False,command='nil'):
global defaultDur
if defaultDur == None:
defaultDur = self.showlist.get_dur()
#instantiate the arguments
self.show_id=show_id
self.end_callback=end_callback
self.ready_callback=ready_callback
self.top=top
self.mon.log(self,"Starting show: " + self.show_params['show-ref'])
# check data files are available.
self.media_file = self.pp_profile + os.sep + self.show_params['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self,"Medialist file not found: "+ self.media_file)
self.end_liveshow_signal=True
self.options=command_options()
self.pp_live_dir1 = self.pp_home + os.sep + 'pp_live_tracks'
if not os.path.exists(self.pp_live_dir1):
os.mkdir(self.pp_live_dir1)
os.mkdir(self.pp_live_dir1+os.sep+ 'Archive')
self.pp_live_dir2=''
if self.options['liveshow'] <>"":
self.pp_live_dir2 = self.options['liveshow']
if not os.path.exists(self.pp_live_dir2):
self.mon.err(self,"live tracks directory not found " + self.pp_live_dir2)
self.end('error',"live tracks directory not found")
#create a medialist for the liveshow and read it.
# it should be empty of anonymous tracks but read it to check its version.
self.medialist=MediaList()
if self.medialist.open_list(self.media_file,self.showlist.sissue())==False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self.end('error',"Version of medialist different to Pi Presents")
#get control bindings for this show if top level
controlsmanager=ControlsManager()
if self.top==True:
self.controls_list=controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list=controlsmanager.merge_show_controls(self.controls_list,self.show_params['controls'])
#set up the time of day triggers for the show
if self.show_params['trigger-start']in('time','time-quiet'):
error_text=self.tod.add_times(self.show_params['trigger-start-time'],id(self),self.tod_start_callback,self.show_params['trigger-start'])
if error_text<>'':
self.mon.err(self,error_text)
self.end('error',error_text)
if self.show_params['trigger-end']=='time':
error_text=self.tod.add_times(self.show_params['trigger-end-time'],id(self),self.tod_end_callback,'n/a')
if error_text<>'':
self.mon.err(self,error_text)
self.end('error',error_text)
if self.show_params['trigger-end']=='duration':
error_text=self.calculate_duration(self.show_params['trigger-end-time'])
if error_text<>'':
self.mon.err(self,error_text)
self.end('error',error_text)
self.wait_for_trigger()
def managed_stop(self):
# if next lower show eor player is running pass down to stop the show/track
if self.shower<>None:
self.shower.managed_stop()
else:
self.end_liveshow_signal=True
if self.player<>None:
self.player.input_pressed('stop')
# kill or error
def terminate(self,reason):
if self.shower<>None:
self.shower.terminate(reason)
elif self.player<>None:
self.player.terminate(reason)
else:
self.end(reason,'terminated without terminating shower or player')
# respond to key presses.
def input_pressed(self,symbol,edge,source):
self.mon.log(self,"received key: " + symbol)
if self.show_params['disable-controls']=='yes':
return
# if at top convert symbolic name to operation otherwise lower down we have received an operation
# look through list of standard symbols to find match (symbolic-name, function name) operation =lookup (symbol
if self.top==True:
operation=self.lookup_control(symbol,self.controls_list)
else:
operation=symbol
# print 'operation',operation
# if no match for symbol against standard operations then return
if operation=='':
return
else:
#service the standard inputs for this show
if operation=='stop':
# if next lower show eor player is running pass down to stop the show/track
# ELSE stop this show except for exceptions
if self.shower<>None:
self.shower.input_pressed('stop',edge,source)
elif self.player<>None:
self.player.input_pressed('stop')
else:
# not at top so stop the show
if self.top == False:
self.end_liveshow_signal=True
else:
pass
elif operation in ('up','down'):
# if child or sub-show is running and is a show pass to show, track does not use up/down
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
elif operation=='play':
# if child show or sub-show is running and is show - pass down
# ELSE use Return to start child
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
else:
if self.show_params['has-child']=="yes":
self.play_child_signal=True
if self.player<>None:
self.player.input_pressed("stop")
elif operation == 'pause':
# pass down if show or track running.
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
elif self.player<>None:
self.player.input_pressed(operation)
elif operation[0:4]=='omx-' or operation[0:6]=='mplay-':
if self.player<>None:
self.player.input_pressed(operation)
def lookup_control(self,symbol,controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
# ***************************
# Constructing Livelist
# ***************************
def livelist_add_track(self,afile):
(root,title)=os.path.split(afile)
(root_plus,ext)= os.path.splitext(afile)
if ext.lower() in PPdefinitions.IMAGE_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['image'],{'title':title,'track-ref':'','location':afile})
if ext.lower() in PPdefinitions.VIDEO_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['video'],{'title':title,'track-ref':'','location':afile})
if ext.lower() in PPdefinitions.AUDIO_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['audio'],{'title':title,'track-ref':'','location':afile})
if ext.lower() in PPdefinitions.WEB_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['web'],{'title':title,'track-ref':'','location':afile})
if ext.lower()=='.cfg':
self.livelist_new_plugin(afile,title)
def livelist_new_plugin(self,plugin_cfg,title):
# read the file which is a plugin cfg file into a dictionary
self.plugin_config = ConfigParser.ConfigParser()
self.plugin_config.read(plugin_cfg)
self.plugin_params = dict(self.plugin_config.items('plugin'))
# create a new livelist entry of a type specified in the config file with plugin
self.livelist_new_track(PPdefinitions.new_tracks[self.plugin_params['type']],{'title':title,'track-ref':'','plugin':plugin_cfg,'location':plugin_cfg})
def livelist_new_track(self,fields,values):
new_track=fields
self.new_livelist.append(copy.deepcopy(new_track))
last = len(self.new_livelist)-1
self.new_livelist[last].update(values)
def new_livelist_create(self):
self.new_livelist=[]
if os.path.exists(self.pp_live_dir1):
for file in os.listdir(self.pp_live_dir1):
file = self.pp_live_dir1 + os.sep + file
(root_file,ext_file)= os.path.splitext(file)
if (ext_file.lower() in PPdefinitions.IMAGE_FILES+PPdefinitions.VIDEO_FILES+PPdefinitions.AUDIO_FILES+PPdefinitions.WEB_FILES) or (ext_file.lower()=='.cfg'):
self.livelist_add_track(file)
if os.path.exists(self.pp_live_dir2):
for file in os.listdir(self.pp_live_dir2):
file = self.pp_live_dir2 + os.sep + file
(root_file,ext_file)= os.path.splitext(file)
if ext_file.lower() in PPdefinitions.IMAGE_FILES+PPdefinitions.VIDEO_FILES+PPdefinitions.AUDIO_FILES+PPdefinitions.WEB_FILES or (ext_file.lower()=='.cfg'):
self.livelist_add_track(file)
self.new_livelist= sorted(self.new_livelist, key= lambda track: os.path.basename(track['location']).lower())
# print 'LIVELIST'
# for it in self.new_livelist:
# print 'type: ', it['type'], 'loc: ',it['location'],'\nplugin cfg: ', it['plugin']
# print ''
def livelist_replace_if_changed(self):
self.new_livelist_create()
if self.new_livelist<>self.livelist:
self.livelist=copy.deepcopy(self.new_livelist)
self.livelist_index = 1
def livelist_next(self):
skip = False
if self.livelist_index== len(self.livelist)-1:
self.livelist_index=0
else:
self.livelist_index +=1
#Author Joe Houng
#get properties from file name if it exists
runningFileName = self.livelist[self.livelist_index]['title']
fileNameTupel = ProcessFileName(runningFileName)
dur = fileNameTupel[0]
startDate = fileNameTupel[1]
endDate = fileNameTupel[2]
if dur == "":
#duration not specified in filename
global defaultDur
dur = defaultDur
if startDate != "":
curDate = time.strftime('%Y-%m-%d-%H-%M-%S')
if startDate > curDate:
print dur
self.livelist_index +=1
skip = True
dur = defaultDur
if skip == False:
if endDate != "":
if endDate <= time.strftime('%Y-%m-%d-%H-%M-%S'):
try:
toArchive(runningFileName, self.pp_home)
except IOError:
None
self.showlist.assign_dur(dur);
skip = False
# ***************************
# Sequencing
# ***************************
def wait_for_trigger(self):
self.state='waiting'
if self.ready_callback<>None:
self.ready_callback()
self.mon.log(self,"Waiting for trigger: "+ self.show_params['trigger-start'])
if self.show_params['trigger-start'] in ('time','time-quiet'):
# if next show is this one display text
next_show=self.tod.next_event_time()
if next_show[3]<>True:
if next_show[1]=='tomorrow':
text = self.resource('liveshow','m04')
else:
text = self.resource('liveshow','m03')
text=text.replace('%tt',next_show[0])
self.display_message(self.canvas,'text',text,0,self.play_first_track)
elif self.show_params['trigger-start']=="start":
self.play_first_track()
else:
self.mon.err(self,"Unknown trigger: "+ self.show_params['trigger-start'])
self.end('error',"Unknown trigger type")
# callbacks from time of day scheduler
def tod_start_callback(self):
if self.state=='waiting' and self.show_params['trigger-start']in('time','time-quiet'):
self.play_first_track()
def tod_end_callback(self):
if self.state=='playing' and self.show_params['trigger-end'] in ('time','duration'):
self.end_trigger_signal=True
if self.shower<>None:
self.shower.input_pressed('stop','front','')
elif self.player<>None:
self.player.input_pressed('stop')
def play_first_track(self):
self.state='playing'
skip = False
# start duration timer
if self.show_params['trigger-end']=='duration':
# print 'set alarm ', self.duration
self.duration_timer = self.canvas.after(self.duration*1000,self.tod_end_callback)
self.new_livelist_create()
self.livelist = copy.deepcopy(self.new_livelist)
self.livelist_index = 0
#Author Joe Houng
#get properties from file name if it exists
runningFileName = self.livelist[self.livelist_index]['title']
fileNameTupel = ProcessFileName(runningFileName)
dur = fileNameTupel[0]
startDate = fileNameTupel[1]
endDate = fileNameTupel[2]
if dur == "":
#duration not specified in filename
global defaultDur
dur = defaultDur
if startDate != "":
curDate = time.strftime('%Y-%m-%d')
if startDate > curDate:
print dur
self.livelist_index +=1
skip = True
if skip == False:
if endDate != "":
if endDate <= time.strftime('%Y-%m-%d'):
toArchive(runningFileName)
self.showlist.assign_dur(dur);
skip = False
self.play_track()
def play_track(self):
self.livelist_replace_if_changed()
if len(self.livelist)>0:
self.play_selected_track(self.livelist[self.livelist_index])
else:
self.display_message(self.canvas,None,self.resource('liveshow','m01'),5,self.what_next)
def what_next(self):
# end of show time trigger
if self.end_trigger_signal==True:
self.end_trigger_signal=False
if self.top==True:
self.state='waiting'
self.wait_for_trigger()
else:
# not at top so stop the show
self.end('normal','sub-show end time trigger')
# user wants to end
elif self.end_liveshow_signal==True:
self.end_liveshow_signal=False
self.end('normal',"show ended by user")
# play child?
elif self.play_child_signal == True:
self.play_child_signal=False
index = self.medialist.index_of_track('pp-child-show')
if index >=0:
#don't select the track as need to preserve mediashow sequence.
child_track=self.medialist.track(index)
self.display_eggtimer(self.resource('liveshow','m02'))
self.play_selected_track(child_track)
else:
self.mon.err(self,"Child show not found in medialist: "+ self.show_params['pp-child-show'])
self.end('error',"child show not found in medialist")
# otherwise loop to next track
else:
self.livelist_next()
self.play_track()
# ***************************
# Dispatching to Players/Shows
# ***************************
def ready_callback(self):
self.delete_eggtimer()
def play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected_track is a dictionary for the track/show
"""
self.canvas.delete('pp-content')
# is menu required
if self.show_params['has-child']=="yes":
enable_child=True
else:
enable_child=False
#dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="image":
track_file=self.complete_path(selected_track)
# images played from menus don't have children
self.player=ImagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track)
self.player=AudioPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child
)
elif track_type=="web":
# create a browser
track_file=self.complete_path(selected_track)
self.player=BrowserPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end_liveshow_signal=True
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="radiobuttonshow":
self.shower= RadioButtonShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="hyperlinkshow":
self.shower= HyperlinkShow(selected_show,
sef.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.end_liveshow_signal=True
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self.end_liveshow_signal=True
def end_shower(self,show_id,reason,message):
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
if reason in("killed","error"):
self.end(reason,message)
else:
self.what_next()
def end_player(self,reason,message):
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
if reason in("killed","error"):
self.end(reason,message)
else:
self.what_next()
# ***************************
# end of show
# ***************************
def end(self,reason,message):
self.end_liveshow_signal=False
self.mon.log(self,"Ending Liveshow: "+ self.show_params['show-ref'])
self.tidy_up()
self.end_callback(self.show_id,reason,message)
self=None
def tidy_up(self):
if self.duration_timer<>None:
self.canvas.after_cancel(self.duration_timer)
self.duration_timer=None
#clear outstanding time of day events for this show
# self.tod.clear_times_list(id(self))
# ******************************
# Displaying things
# *********************************
def display_eggtimer(self,text):
self.egg_timer=self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
text= text,
fill='white',
font="Helvetica 20 bold",
tag='pp-eggtimer')
self.canvas.update_idletasks( )
def delete_eggtimer(self):
self.canvas.delete('pp-eggtimer')
self.canvas.update_idletasks( )
# used to display internal messages in situations where a medialist entry could not be used.
def display_message(self,canvas,source,content,duration,display_message_callback):
self.display_message_callback=display_message_callback
tp={'duration':duration,'message-colour':'white','message-font':'Helvetica 20 bold','message-justify':'left',
'background-colour':'','background-image':'','show-control-begin':'','show-control-end':'',
'animate-begin':'','animate-clear':'','animate-end':'','message-x':'','message-y':'',
'display-show-background':'no','display-show-text':'no','show-text':'','track-text':'',
'plugin':''}
self.player=MessagePlayer(self.show_id,self.root,canvas,tp,tp,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(content,self.showlist,self.display_message_end,None)
def display_message_end(self,reason,message):
self.player=None
if reason in ("killed",'error'):
self.end(reason,message)
else:
self.display_message_callback()
# ******************************
# utilities
# *********************************
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
self.terminate("error",'Cannot find resource')
else:
return value
def complete_path(self,selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file<>'' and track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Track to play is: "+ track_file)
return track_file
def calculate_duration(self,line):
fields=line.split(':')
if len(fields)==1:
secs=fields[0]
minutes='0'
hours='0'
if len(fields)==2:
secs=fields[1]
minutes=fields[0]
hours='0'
if len(fields)==3:
secs=fields[2]
minutes=fields[1]
hours=fields[0]
self.duration=3600*long(hours)+60*long(minutes)+long(secs)
return ''
class TimeOfDay(object):
# CLASS VARIABLES
# change this for another language
DAYS_OF_WEEK = [
'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday',
'sunday'
]
"""
TimeOfDay.events is a dictionary the keys being show-refs.
Each dictionary entry is a list of time_elements sorted by descending time
Each time element is a list with the fields:
0 - command
1 - time, seconds since midnight
"""
events = {
} # list of times of day used to generate callbacks, earliest first
# executed by main program and by each object using tod
def __init__(self):
self.mon = Monitor()
# executed once from main program only
def init(self, pp_dir, pp_home, pp_profile, root, callback):
# instantiate arguments
TimeOfDay.root = root
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
self.callback = callback
# init variables
self.testing = False
self.tod_tick = 500
self.tick_timer = None
TimeOfDay.now = datetime.now().replace(microsecond=0)
# read the schedule
self.schedule = self.open_schedule()
#create the initial events list
if 'simulate-time' in self.schedule and self.schedule[
'simulate-time'] == 'yes':
year = int(self.schedule['sim-year'])
month = int(self.schedule['sim-month'])
day = int(self.schedule['sim-day'])
hour = int(self.schedule['sim-hour'])
minute = int(self.schedule['sim-minute'])
second = int(self.schedule['sim-second'])
TimeOfDay.now = datetime(day=day,
month=month,
year=year,
hour=hour,
minute=minute,
second=second)
self.testing = True
print '\nInitial SIMULATED time', TimeOfDay.now.ctime()
else:
#get the current date/time only this once
TimeOfDay.now = datetime.now().replace(microsecond=0)
# print '\nInitial REAL time',TimeOfDay.now.ctime()
self.testing = False
TimeOfDay.last_now = TimeOfDay.now - timedelta(seconds=1)
self.build_schedule_for_today(self.schedule)
if self.testing:
self.print_todays_schedule()
self.build_events_lists()
# self.print_events_lists()
# and do exitpipresents or start any show that should be running at start up time
self.do_catchup()
def do_catchup(self):
TimeOfDay.scheduler_time = TimeOfDay.now.time()
# shutdown or exit if current time is later than time in event list
for show_ref in TimeOfDay.events:
if show_ref == 'pp_core':
times = TimeOfDay.events[show_ref]
for time_element in reversed(times):
# print 'now', TimeOfDay.scheduler_time, 'time from events', time_element[1], time_element[0]
# got past current time can give up and execute exitpipresents or closedown
if TimeOfDay.scheduler_time >= time_element[1]:
self.do_event(show_ref, time_element)
return 'exiting'
# do the catchup for each real show in turn
for show_ref in TimeOfDay.events:
if show_ref != 'pp_core':
# print '\n*****',show_ref
times = TimeOfDay.events[show_ref]
# go through the event list for a show rembering show state until the first future event is found.
# then if last command was to start the show send it
show_running = False
last_start_element = []
for time_element in reversed(times):
# print 'now', now_seconds, 'time from events', time_element[1], time_element[0]
# got past current time can give up catch up
if time_element[1] >= TimeOfDay.scheduler_time:
# print ' gone past time - break'
break
if time_element[0] == 'open':
last_start_element = time_element
# print 'open - show-running= true'
show_running = True
elif time_element[0] == 'close':
# print 'close - show-running= false'
show_running = False
if show_running is True:
if self.testing:
print 'End of Catch Up Search doing', show_ref, last_start_element
self.do_event(show_ref, last_start_element)
## # print 'catchup time match', show_ref
## # now do the inital real time command if time now matches event time
## for time_element in reversed(times):
## if time_element[1] == TimeOfDay.scheduler_time:
## print ' do event - catchup', TimeOfDay.scheduler_time, 'time from events', time_element[1], time_element[0]
## self.do_event(show_ref,time_element)
return 'not exiting'
# called by main program only
def poll(self):
if self.testing:
poll_time = TimeOfDay.now
else:
poll_time = datetime.now()
# print 'poll time: ',poll_time.time(),'scheduler time: ',TimeOfDay.now.time()
# if poll_time != TimeOfDay.now : print 'times different ',poll_time.time(),TimeOfDay.now.time()
# is current time greater than last time the scheduler was run
# run in a loop to catch up because root.after can get behind when images are being rendered etc.
# poll time can be the same twice as poll is run at half second intervals.
catchup_time = 0
while TimeOfDay.now <= poll_time:
if TimeOfDay.now - TimeOfDay.last_now != timedelta(seconds=1):
print 'POLL TIME FAILED', TimeOfDay.last_now, TimeOfDay.now
#if catchup_time != 0:
# print 'scheduler behind by: ',catchup_time, TimeOfDay.now.time(),poll_time.time()
self.do_scheduler()
TimeOfDay.last_now = TimeOfDay.now
catchup_time += 1
TimeOfDay.now = TimeOfDay.now + timedelta(seconds=1)
# and loop
if self.testing:
self.tick_timer = TimeOfDay.root.after(1000, self.poll)
else:
self.tick_timer = TimeOfDay.root.after(self.tod_tick, self.poll)
# called by main program only
def terminate(self):
if self.tick_timer is not None:
TimeOfDay.root.after_cancel(self.tick_timer)
self.clear_events_lists()
# execute events at the appropriate time.
# called by main program only
def do_scheduler(self):
# if its midnight then build the events lists for the new day
TimeOfDay.scheduler_time = TimeOfDay.now.time()
if TimeOfDay.scheduler_time == time(hour=0, minute=0, second=0):
if self.testing:
print 'Its midnight, today is now', TimeOfDay.now.ctime()
self.build_schedule_for_today(self.schedule)
if self.testing:
self.print_todays_schedule()
self.build_events_lists()
# self.print_events_lists()
# print TimeOfDay.scheduler_time
for show_ref in TimeOfDay.events:
# print 'scheduler time match', show_ref
times = TimeOfDay.events[show_ref]
# now send a command if time matches
for time_element in reversed(times):
# print time_element[1],TimeOfDay.scheduler_time
if time_element[1] == TimeOfDay.scheduler_time:
self.do_event(show_ref, time_element)
# execute an event
def do_event(self, show_ref, time_element):
self.mon.log(
self, 'Event : ' + time_element[0] + ' ' + show_ref +
' required at: ' + time_element[1].isoformat())
if self.testing:
print 'Event : ' + time_element[
0] + ' ' + show_ref + ' required at: ' + time_element[
1].isoformat()
self.callback(time_element[0] + ' ' + show_ref)
#
# ************************************************
# The methods below can be called from many classes so need to operate on class variables
# ************************************************
# clear events list
def clear_events_lists(self):
self.mon.log(self, 'clear time of day events list ')
# empty event list
TimeOfDay.events = {}
# ***********************************
# Preparing schedule and todays event list
# ************************************
def open_schedule(self):
# look for the schedule.json file
# try inside profile
filename = self.pp_profile + os.sep + "schedule.json"
ifile = open(filename, 'rb')
schedule = json.load(ifile)
ifile.close()
self.mon.log(self, "schedule.json read from " + filename)
return schedule
def build_schedule_for_today(self, schedule):
# print this_day.year, this_day.month, this_day.day, TimeOfDay.DAYS_OF_WEEK[ this_day.weekday()]
"""
self.todays_schedule is a dictionary the keys being show-refs.
Each dictionary entry is a list of time_elements
Each time element is a list with the fields:
0 - command
1 - time hour:min[:sec]
"""
self.todays_schedule = {}
for show in schedule['shows']:
show_ref = show['show-ref']
if 'everyday' in show:
day = show['everyday']
# print day['day']
times = day['times']
for time in times:
self.todays_schedule[show['show-ref']] = copy.deepcopy(
day['times'])
# print '\nafter everyday'
# self.print_todays_schedule()
if 'weekday' in show:
day = show['weekday']
# print day['day']
if TimeOfDay.DAYS_OF_WEEK[
TimeOfDay.now.weekday()] in day['day']:
# print 'weekday matched', TimeOfDay.DAYS_OF_WEEK[ TimeOfDay.now.weekday()]
times = day['times']
for time in times:
self.todays_schedule[show['show-ref']] = copy.deepcopy(
day['times'])
# print '\nafter weekday'
# self.print_todays_schedule()
if 'monthday' in show:
day = show['monthday']
# print day['day']
if TimeOfDay.now.day in map(int, day['day']):
# print 'monthday matched', day['day']
times = day['times']
for time in times:
self.todays_schedule[show['show-ref']] = copy.deepcopy(
day['times'])
# print '\nafter monthday'
# self.print_todays_schedule()
if 'specialday' in show:
days = show['specialday']
# print days['day']
for day in days['day']:
sdate = datetime.strptime(day, '%Y-%m-%d')
if sdate.year == TimeOfDay.now.year and sdate.month == TimeOfDay.now.month and sdate.day == TimeOfDay.now.day:
# print 'special matched', day
times = days['times']
# for time in times:
self.todays_schedule[show['show-ref']] = copy.deepcopy(
days['times'])
# print '\nafter specialday'
# self.print_todays_schedule()
def build_events_lists(self):
# builds events dictionary from todays_schedule by
# converting times in todays schedule from hour:min:sec to datetime
# and sorts them earliest last
TimeOfDay.events = {}
for show_ref in self.todays_schedule:
# print show_ref
times = self.todays_schedule[show_ref]
for time_element in times:
time_element[1] = self.parse_event_time(time_element[1])
sorted_times = sorted(times,
key=lambda time_element: time_element[1],
reverse=True)
TimeOfDay.events[show_ref] = sorted_times
# print times
def parse_event_time(self, time_text):
fields = time_text.split(':')
if len(fields) > 2:
secs = int(fields[2])
else:
secs = 0
hours = int(fields[0])
mins = int(fields[1])
return time(hour=hours, minute=mins, second=secs)
# *********************
# print for debug
# *********************
def print_todays_schedule(self):
print '\nSchedule For ' + TimeOfDay.now.ctime()
for key in self.todays_schedule:
print ' ' + key
for show in self.todays_schedule[key]:
print ' ' + show[0] + ': ' + show[1]
print
def print_events_lists(self):
print '\nevents list for today'
for key in self.events:
print '\n', key
for show in self.events[key]:
print show[0], show[1].isoformat()
def save_schedule(self, filename):
""" save a schedule """
if filename == "":
return False
if os.name == 'nt':
filename = string.replace(filename, '/', '\\')
else:
filename = string.replace(filename, '\\', '/')
ofile = open(filename, "wb")
json.dump(self.schedule, ofile, sort_keys=False, indent=1)
ofile.close()
return
class OMXDriver(object):
# adjust this to determine freeze after the first frame
after_first_frame_position = -50000 # microseconds
_LAUNCH_CMD = '/usr/bin/omxplayer --no-keys ' # needs changing if user has installed his own version of omxplayer elsewhere
# add more keys here, see popcornmix/omxplayer github files readme.md and KeyConfig.h
KEY_MAP = {
'<': 3,
'>': 4,
'z': 5,
'j': 6,
'k': 7,
'i': 8,
'o': 9,
'n': 10,
'm': 11,
's': 12,
'x': 30,
'w': 31
}
def __init__(self, widget, pp_dir):
self.widget = widget
self.pp_dir = pp_dir
self.mon = Monitor()
self.start_play_signal = False
self.end_play_signal = False
self.end_play_reason = 'nothing'
self.duration = 0
self.video_position = 0
self.pause_at_end_required = False
self.paused_at_end = False
self.pause_at_end_time = 0
# self.pause_before_play_required='before-first-frame' #no,before-first-frame, after-first-frame
# self.pause_before_play_required='no'
self.paused_at_start = 'False'
self.paused = False
self.terminate_reason = ''
# dbus and subprocess
self._process = None
self.__iface_root = None
self.__iface_props = None
self.__iface_player = None
def load(self, track, freeze_at_start, options, caller, omx_volume):
self.omx_volume = omx_volume
self.pause_before_play_required = freeze_at_start
self.caller = caller
track = "'" + track.replace("'", "'\\''") + "'"
# self.mon.log(self,'TIME OF DAY: '+ strftime("%Y-%m-%d %H:%M"))
self.dbus_user = os.environ["USER"]
self.id = str(int(time() * 10))
self.dbus_name = "org.mpris.MediaPlayer2.omxplayer" + self.id
self.omxplayer_cmd = OMXDriver._LAUNCH_CMD + options + " --dbus_name '" + self.dbus_name + "' " + track
# self.mon.log(self, 'dbus user ' + self.dbus_user)
# self.mon.log(self, 'dbus name ' + self.dbus_name)
# print self.omxplayer_cmd
self.mon.log(self, "Send command to omxplayer: " + self.omxplayer_cmd)
# self._process=subprocess.Popen(self.omxplayer_cmd,shell=True,stdout=file('/home/pi/pipresents/pp_logs/stdout.txt','a'),stderr=file('/home/pi/pipresents/pp_logs/stderr.txt','a'))
self._process = subprocess.Popen(self.omxplayer_cmd,
shell=True,
stdout=file('/dev/null', 'a'),
stderr=file('/dev/null', 'a'))
self.pid = self._process.pid
# wait for omxplayer to start then start monitoring thread
self.dbus_tries = 0
self.omx_loaded = False
self._wait_for_dbus()
return
def _wait_for_dbus(self):
connect_success = self.__dbus_connect()
if connect_success is True:
# print 'SUCCESS'
self.mon.log(
self, 'connected to omxplayer dbus after ' +
str(self.dbus_tries) + ' centisecs')
# get duration of the track in microsecs if fails return a very large duration
# posibly faile because omxplayer is running but not omxplayer.bin
duration_success, duration = self.get_duration()
if duration_success is False:
self.mon.warn(
self, 'get duration failed for n attempts using ' +
str(duration / 60000000) + ' minutes')
# calculate time to pause before last frame
self.duration = duration
self.pause_at_end_time = duration - 350000
# start the thread that is going to monitor output from omxplayer.
self._monitor_status()
else:
self.dbus_tries += 1
self.widget.after(100, self._wait_for_dbus)
def _monitor_status(self):
# print '\n',self.id, '** STARTING ',self.duration
self.start_play_signal = False
self.end_play_signal = False
self.end_play_reason = 'nothing'
self.paused_at_end = False
self.paused_at_start = 'False'
self.delay = 5
self.widget.after(0, self._status_loop)
"""
freeze at start
'no' - unpause in show - test !=0
'before_first_frame' - don't unpause in show, test >-xx just large enough negative to stop first frame showing
'after_first_frame' - don't unpause in show, test > -yy large enough so that first frame always shows
"""
after_first_frame_position = -50000 #microseconds
before_first_frame_position = -80000 #microseconds
def _status_loop(self):
if self.is_running() is False:
# process is not running because quit or natural end - seems not to happen
self.end_play_signal = True
self.end_play_reason = 'nice_day'
# print ' send nice day - process not running'
return
else:
success, video_position = self.get_position()
# if video_position <= 0: print 'read position',video_position
if success is False:
# print 'send nice day - exception when reading video position'
self.end_play_signal = True
self.end_play_reason = 'nice_day'
return
else:
self.video_position = video_position
# if timestamp is near the end then pause
if self.pause_at_end_required is True and self.video_position > self.pause_at_end_time: #microseconds
# print 'pausing at end, leeway ',self.duration - self.video_position
pause_end_success = self.pause(' at end of track')
if pause_end_success is True:
# print self.id,' pause for end success', self.video_position
self.paused_at_end = True
self.end_play_signal = True
self.end_play_reason = 'pause_at_end'
return
else:
print 'pause at end failed, probably because of delay after detection, just run on'
self.widget.after(self.delay, self._status_loop)
else:
# need to do the pausing for preload after first timestamp is received 0 is default value before start
# print self.pause_before_play_required,self.paused_at_start,self.video_position,OMXDriver.after_first_frame_position
if (self.pause_before_play_required == 'after-first-frame' and self.paused_at_start == 'False'\
and self.video_position >OMXDriver.after_first_frame_position\
and self.video_position !=0)\
or(self.pause_before_play_required != 'after-first-frame' and self.paused_at_start == 'False'\
and self.video_position > OMXDriver.before_first_frame_position\
and self.video_position !=0):
pause_after_load_success = self.pause('after load')
if pause_after_load_success is True:
# print self.id,' pause after load success',self.video_position
self.start_play_signal = True
self.paused_at_start = 'True'
else:
# should never fail, just warn at the moment
# print 'pause after load failed ' + str(self.video_position)
self.mon.warn(
self,
str(self.id) + ' pause after load fail ' +
str(self.video_position))
self.widget.after(self.delay, self._status_loop)
else:
self.widget.after(self.delay, self._status_loop)
def show(self, freeze_at_end_required):
self.pause_at_end_required = freeze_at_end_required
# unpause to start playing
if self.pause_before_play_required == 'no':
unpause_show_success = self.unpause(' to start showing')
# print 'unpause for show',self.paused
if unpause_show_success is True:
pass
# print self.id,' unpause for show success', self.video_position
else:
# should never fail, just warn at the moment
self.mon.warn(
self,
str(self.id) + ' unpause for show fail ' +
str(self.video_position))
def control(self, char):
val = OMXDriver.KEY_MAP[char]
self.mon.log(
self, '>control received and sent to omxplayer ' + str(self.pid) +
' ' + str(val))
if self.is_running():
try:
self.__iface_player.Action(dbus.Int32(val))
except dbus.exceptions.DBusException as ex:
self.mon.warn(
self, 'Failed to send control - dbus exception: {}'.format(
ex.get_dbus_message()))
return
else:
self.mon.warn(self, 'Failed to send control - process not running')
return
# USE ONLY at end and after load
# return succces of the operation, several tries if pause did not work and no error reported.
def pause(self, reason):
self.mon.log(self, 'pause received ' + reason)
if self.paused is False:
self.mon.log(self, 'not paused so send pause ' + reason)
tries = 1
while True:
if self.send_pause() is False:
# failed for good reason
return False
status = self.omxplayer_is_paused(
) # test omxplayer after sending the command
if status == 'Paused':
self.paused = True
return True
if status == 'Failed':
# failed for good reason because of exception or process not running caused by end of track
return False
else:
# failed for no good reason
self.mon.warn(self, '!!!!! repeat pause ' + str(tries))
# print self.id,' !!!!! repeat pause ',self.video_position, tries
tries += 1
if tries > 5:
# print self.id, ' pause failed for n attempts'
self.mon.warn(self, 'pause failed for n attempts')
return False
# repeat
# USE ONLY for show
def unpause(self, reason):
self.mon.log(self, 'Unpause received ' + reason)
if self.paused is True:
self.mon.log(self, 'Is paused so Track will be unpaused ' + reason)
tries = 1
while True:
if self.send_unpause() is False:
return False
status = self.omxplayer_is_paused() # test omxplayer
if status == 'Playing':
self.paused = False
self.paused_at_start = 'done'
self.set_volume()
return True
if status == 'Failed':
# failed for good reason because of exception or process not running caused by end of track
return False
else:
# self.mon.warn(self, '!!!!! repeat unpause ' + str(tries))
# print self.id,' !!!! repeat unpause ',self.video_position, tries
tries += 1
if tries > 200:
# print self.id, ' unpause failed for n attempts'
self.mon.warn(self, 'unpause failed for 200 attempts')
return False
def omxplayer_is_paused(self):
if self.is_running():
try:
result = self.__iface_props.PlaybackStatus()
except dbus.exceptions.DBusException as ex:
self.mon.warn(
self, 'Failed to test paused - dbus exception: {}'.format(
ex.get_dbus_message()))
return 'Failed'
return result
else:
self.mon.warn(self, 'Failed to test paused - process not running')
# print self.id,' test paused not successful - process'
return 'Failed'
def send_pause(self):
if self.is_running():
try:
self.__iface_player.Pause()
except dbus.exceptions.DBusException as ex:
self.mon.warn(
self, 'Failed to send pause - dbus exception: {}'.format(
ex.get_dbus_message()))
return False
return True
else:
self.mon.warn(self, 'Failed to send pause - process not running')
# print self.id,' send pause not successful - process'
return False
def send_unpause(self):
if self.is_running():
try:
self.__iface_player.Action(16)
except dbus.exceptions.DBusException as ex:
self.mon.warn(
self, 'Failed to send unpause - dbus exception: {}'.format(
ex.get_dbus_message()))
return False
return True
else:
self.mon.warn(self, 'Failed to send unpause - process not running')
# print self.id,' send unpause not successful - process'
return False
def pause_on(self):
self.mon.log(self, 'pause on received ')
# print 'pause on',self.paused
if self.paused is True:
return
if self.is_running():
try:
# self.__iface_player.Action(16)
self.__iface_player.Pause(
) # - this should work but does not!!!
self.paused = True
# print 'paused OK'
return
except dbus.exceptions.DBusException as ex:
self.mon.warn(
self, 'Failed to do pause on - dbus exception: {}'.format(
ex.get_dbus_message()))
return
else:
self.mon.warn(self, 'Failed to do pause on - process not running')
return
def pause_off(self):
self.mon.log(self, 'pause off received ')
# print 'pause off',self.paused
if self.paused is False:
return
if self.is_running():
try:
self.__iface_player.Action(16)
self.paused = False
# print 'not paused OK'
return
except dbus.exceptions.DBusException as ex:
self.mon.warn(
self, 'Failed to do pause off - dbus exception: {}'.format(
ex.get_dbus_message()))
return
else:
self.mon.warn(self, 'Failed to do pause off - process not running')
return
def toggle_pause(self, reason):
self.mon.log(self, 'toggle pause received ' + reason)
if self.is_running():
try:
self.__iface_player.Action(16)
if not self.paused:
self.paused = True
else:
self.paused = False
except dbus.exceptions.DBusException as ex:
self.mon.warn(
self, 'Failed to toggle pause - dbus exception: {}'.format(
ex.get_dbus_message()))
return
else:
self.mon.warn(self, 'Failed to toggle pause - process not running')
return
def go(self):
self.mon.log(self, 'go received ')
self.unpause('for go')
def mute(self):
self.__iface_player.Mute()
def unmute(self):
self.__iface_player.Unmute()
def set_volume(self):
millibels = self.omx_volume * 100
out = pow(10, millibels / 2000.0)
self.__iface_props.Volume(out)
def inc_volume(self):
self.omx_volume += 3
self.set_volume()
def dec_volume(self):
self.omx_volume -= 3
self.set_volume()
def stop(self):
self.mon.log(
self, '>stop received and quit sent to omxplayer ' + str(self.pid))
# need to send 'nice day'
if self.paused_at_end is True:
self.end_play_signal = True
self.end_play_reason = 'nice_day'
# print 'send nice day for close track'
if self.is_running():
try:
self.__iface_root.Quit()
except dbus.exceptions.DBusException as ex:
self.mon.warn(
self, 'Failed to quit - dbus exception: {}'.format(
ex.get_dbus_message()))
return
else:
self.mon.warn(self, 'Failed to quit - process not running')
return
# kill the subprocess (omxplayer and omxplayer.bin). Used for tidy up on exit.
def terminate(self, reason):
self.terminate_reason = reason
self.stop()
def get_terminate_reason(self):
return self.terminate_reason
# test of whether _process is running
def is_running(self):
retcode = self._process.poll()
# print 'is alive', retcode
if retcode is None:
return True
else:
return False
# kill off omxplayer when it hasn't terminated at the end of a track.
# send SIGINT (CTRL C) so it has a chance to tidy up daemons and omxplayer.bin
def kill(self):
if self.is_running() is True:
self._process.send_signal(signal.SIGINT)
def get_position(self):
# don't test process as is done just before
try:
micros = self.__iface_props.Position()
return True, micros
except dbus.exceptions.DBusException as ex:
# print 'Failed get_position - dbus exception: {}'.format(ex.get_dbus_message())
return False, -1
def get_duration(self):
tries = 1
while True:
success, duration = self._try_duration()
if success is True:
return True, duration
else:
self.mon.warn(self, 'repeat get duration ' + str(tries))
tries += 1
if tries > 5:
return False, sys.maxint * 100
def _try_duration(self):
"""Return the total length of the playing media"""
if self.is_running() is True:
try:
micros = self.__iface_props.Duration()
return True, micros
except dbus.exceptions.DBusException as ex:
self.mon.warn(
self, 'Failed get duration - dbus exception: {}'.format(
ex.get_dbus_message()))
return False, -1
else:
return False, -1
# *********************
# connect to dbus
# *********************
def __dbus_connect(self):
if self.omx_loaded is False:
# read the omxplayer dbus data from files generated by omxplayer
bus_address_filename = "/tmp/omxplayerdbus.{}".format(
self.dbus_user)
bus_pid_filename = "/tmp/omxplayerdbus.{}.pid".format(
self.dbus_user)
if not os.path.exists(bus_address_filename):
self.mon.log(
self,
'waiting for bus address file ' + bus_address_filename)
self.omx_loaded = False
return False
else:
f = open(bus_address_filename, "r")
bus_address = f.read().rstrip()
if bus_address == '':
self.mon.log(
self, 'waiting for bus address in file ' +
bus_address_filename)
self.omx_loaded = False
return False
else:
# self.mon.log(self, 'bus address found ' + bus_address)
if not os.path.exists(bus_pid_filename):
self.mon.warn(
self,
'bus pid file does not exist ' + bus_pid_filename)
self.omx_loaded = False
return False
else:
f = open(bus_pid_filename, "r")
bus_pid = f.read().rstrip()
if bus_pid == '':
self.omx_loaded = False
return False
else:
# self.mon.log(self, 'bus pid found ' + bus_pid)
os.environ[
"DBUS_SESSION_BUS_ADDRESS"] = bus_address
os.environ["DBUS_SESSION_BUS_PID"] = bus_pid
self.omx_loaded = True
if self.omx_loaded is True:
session_bus = dbus.SessionBus()
try:
omx_object = session_bus.get_object(self.dbus_name,
"/org/mpris/MediaPlayer2",
introspect=False)
self.__iface_root = dbus.Interface(omx_object,
"org.mpris.MediaPlayer2")
self.__iface_props = dbus.Interface(
omx_object, "org.freedesktop.DBus.Properties")
self.__iface_player = dbus.Interface(
omx_object, "org.mpris.MediaPlayer2.Player")
except dbus.exceptions.DBusException as ex:
# self.mon.log(self,"Waiting for dbus connection to omxplayer: {}".format(ex.get_dbus_message()))
return False
return True
class KbdDriver(object):
config=None
def __init__(self):
self.mon=Monitor()
# sets up tkinter keyboard events such that any key press
# does a callback to 'callback' with the event object and a symbolic name.
def bind_keys(self,widget,callback):
for option in KbdDriver.config.items('keys'):
condition=option[0]
symbolic_name=option[1]
# print condition,symbolic_name
widget.bind(condition, lambda event, name=symbolic_name: self.specific_key(callback,name))
# bind all the normal keys that return a printing character such that x produces pp-key-x
widget.bind("<Key>", lambda event : self.normal_key(callback,event))
def specific_key(self,callback,name):
callback(name,'KBD')
# alphanumeric keys- convert to symbolic by adding pp-key-
def normal_key(self,callback,event):
key=event.char
if key != '':
callback('pp-key-'+key,'KBD')
# read the key bindings from keys.cfg
def read(self,pp_dir,pp_home,pp_profile):
if KbdDriver.config is None:
# try inside profile
tryfile=pp_profile+os.sep+'pp_io_config'+os.sep+'keys.cfg'
if os.path.exists(tryfile):
self.mon.log(self,"Found keys.cfg in profile at: "+ tryfile)
filename=tryfile
else:
# try inside pipresents
tryfile=pp_dir+os.sep+'pp_config'+os.sep+"keys.cfg"
if os.path.exists(tryfile):
filename=tryfile
self.mon.log(self,"Fallback keys.cfg found at "+ tryfile)
else:
self.mon.log(self,"keys.cfg not found at "+ tryfile)
self.mon.err(self,"keys.cfg not found in profile or fallback in Pi Presents")
return False
KbdDriver.config = ConfigParser.ConfigParser()
KbdDriver.config.optionxform=str
KbdDriver.config.read(filename)
self.mon.log(self,"keys.cfg read from "+ filename)
if KbdDriver.config.has_section('keys') is False:
self.mon.err(self,"no [keys] section in keys.cfg")
return False
return True
def has_section(self,section):
if KbdDriver.config.has_section(section) is False:
return False
class Animate(object):
"""
allows players to put events, which request the change of state of pins, into a queue. Events are executed at the required time.
using the interface to an output driver.
"""
# constants for sequencer events list
name = 0 # GPIO pin number, the xx in P1-xx
param_type = 1
param_values = 2 # off , on
time = 3 # time since the epoch in seconds
tag = 4 # tag used to delete all matching events, usually a track reference.
event_template=['','','',0,None]
# CLASS VARIABLES (Animate.)
events=[]
last_poll_time=0
# executed by main program and by each object using animate
def __init__(self):
self.mon=Monitor()
# executed once from main program
def init(self,pp_dir,pp_home,pp_profile,widget,sequencer_tick,event_callback):
# instantiate arguments
self.widget=widget #something to hang 'after' on
self.pp_dir=pp_dir
self.pp_profile=pp_profile
self.pp_home=pp_home
self.sequencer_tick=sequencer_tick
self.event_callback=event_callback
# Initialise time used by sequencer
Animate.sequencer_time=long(time.time())
# init timer
self.sequencer_tick_timer=None
# called by main program only
def terminate(self):
if self.sequencer_tick_timer is not None:
self.widget.after_cancel(self.sequencer_tick_timer)
self.clear_events_list(None)
# ************************************************
# output sequencer
# ************************************************
# called by main program only
def poll(self):
poll_time=long(time.time())
# is current time greater than last time the scheduler was run (previous second or more)
# run in a loop to catch up because root.after can get behind when images are being rendered etc.
while Animate.sequencer_time<=poll_time:
# kick off output pin sequencer
self.do_sequencer()
Animate.sequencer_time +=1
# and loop the polling
self.sequencer_tick_timer=self.widget.after(self.sequencer_tick,self.poll)
# execute events at the appropriate time and remove from list (runs from main program only)
# runs through list a number of times because of problems with pop messing up list
def do_sequencer(self):
# print 'sequencer run for: ' + str(sequencer_time) + ' at ' + str(long(time.time()))
while True:
event_found=False
for index, item in enumerate(Animate.events):
if item[Animate.time]<=Animate.sequencer_time:
event=Animate.events.pop(index)
event_found=True
self.send_event(event[Animate.name],event[Animate.param_type],event[Animate.param_values],item[Animate.time])
break
if event_found is False: break
def send_event(self,name,param_type,param_values,req_time):
self.event_callback(name,param_type,param_values,req_time)
self.mon.log(self, 'send event '+ name)
# ************************************************
# output sequencer interface methods
# these can be called from many classes so need to operate on class variables
# ************************************************
def animate(self,text,tag):
lines = text.split("\n")
for line in lines:
reason,message,delay,name,param_type,param_values=self.parse_animate_fields(line)
if reason == 'error':
return 'error',message
if name !='':
self.add_event(name,param_type,param_values,delay,tag)
# self.print_events()
return 'normal','events processed'
def add_event(self,name,param_type,param_values,delay,tag):
poll_time=long(time.time())
# prepare the event
event=Animate.event_template
event[Animate.name]=name
event[Animate.param_type]=param_type
event[Animate.param_values]=param_values
event[Animate.time]=delay+poll_time #+1?
event[Animate.tag]=tag
# print 'add event ',event
# find the place in the events list and insert
# first item in the list is earliest, if two have the same time then last to be added is fired last.
# events are fired from top of list
abs_time=poll_time+delay
# print 'new event',abs_time
copy_event= copy.deepcopy(event)
length=len(Animate.events)
if length ==0:
Animate.events.append(copy_event)
# print 'append to empty ist',abs_time
return copy_event
else:
index=length-1
if abs_time>Animate.events[index][Animate.time]:
Animate.events.append(copy_event)
# print 'append to end of list if greater than last item',abs_time
return copy_event
while index!=-1:
if abs_time==Animate.events[index][Animate.time]:
Animate.events.insert(index+1,copy_event)
# print 'insert after if equal',abs_time
return copy_event
if abs_time>Animate.events[index][Animate.time]:
Animate.events.insert(index+1,copy_event)
# print 'insert after if later',abs_time
return copy_event
if index==0:
Animate.events.insert(index,copy_event)
# print 'insert before if at start of list',abs_time
return copy_event
index -=1
# print 'error at start of list',abs_time
def print_events(self):
print '\nevents list'
for event in Animate.events:
print event
# remove all the events with the same tag, usually a track reference
def remove_events(self,tag):
left=[]
for item in Animate.events:
if tag != item[Animate.tag]:
left.append(item)
Animate.events= left
# self.print_events()
# clear event list
def clear_events_list(self,tag):
self.mon.log(self,'clear events list ')
# empty event list
Animate.events=[]
# [delay],symbol,type,state
def parse_animate_fields(self,line):
fields= line.split()
if len(fields) == 0:
return 'normal','no fields','','',[],0
elif len(fields) < 4:
return 'error','Wrong number of fields in : '+ line,'','',[],0
delay_text=fields[0]
name=fields[1]
param_type=fields[2]
start_params = 3
# check each field
if not delay_text.isdigit():
return 'error','Delay is not an integer in : '+ line,'','',[],0
else:
delay=int(delay_text)
#only one param type at the moment.
if param_type != 'state':
return 'error','uknown parameter type in : '+ line,'','',[],0
else:
params_length = 1
params_check = ('on','off')
params=[]
for index in range(start_params, start_params+ params_length):
param=fields[index]
if not param in params_check:
return 'error','unknown parameter value in : '+ line,'','',[],0
params.append(param)
return 'normal','event parsed OK',delay,name,param_type,params
class PiPresents(object):
def pipresents_version(self):
vitems = self.pipresents_issue.split('.')
if len(vitems) == 2:
# cope with 2 digit version numbers before 1.3.2
return 1000 * int(vitems[0]) + 100 * int(vitems[1])
else:
return 1000 * int(vitems[0]) + 100 * int(vitems[1]) + int(
vitems[2])
def __init__(self):
# gc.set_debug(gc.DEBUG_UNCOLLECTABLE|gc.DEBUG_INSTANCES|gc.DEBUG_OBJECTS|gc.DEBUG_SAVEALL)
gc.set_debug(gc.DEBUG_UNCOLLECTABLE | gc.DEBUG_SAVEALL)
self.pipresents_issue = "1.4.4"
self.pipresents_minorissue = '1.4.4a'
# position and size of window without -f command line option
self.nonfull_window_width = 0.45 # proportion of width
self.nonfull_window_height = 0.7 # proportion of height
self.nonfull_window_x = 0 # position of top left corner
self.nonfull_window_y = 0 # position of top left corner
StopWatch.global_enable = False
# set up the handler for SIGTERM
signal.signal(signal.SIGTERM, self.handle_sigterm)
# ****************************************
# Initialisation
# ***************************************
# get command line options
self.options = command_options()
# print (self.options)
# get Pi Presents code directory
pp_dir = sys.path[0]
self.pp_dir = pp_dir
if not os.path.exists(pp_dir + "/pipresents.py"):
if self.options['manager'] is False:
tkinter.messagebox.showwarning("Pi Presents",
"Bad Application Directory")
exit(102)
# Initialise logging and tracing
Monitor.log_path = pp_dir
self.mon = Monitor()
# Init in PiPresents only
self.mon.init()
# uncomment to enable control of logging from within a class
# Monitor.enable_in_code = True # enables control of log level in the code for a class - self.mon.set_log_level()
# make a shorter list to log/trace only some classes without using enable_in_code.
Monitor.classes = [
'PiPresents', 'HyperlinkShow', 'RadioButtonShow', 'ArtLiveShow',
'ArtMediaShow', 'MediaShow', 'LiveShow', 'MenuShow', 'GapShow',
'Show', 'ArtShow', 'AudioPlayer', 'BrowserPlayer', 'ImagePlayer',
'MenuPlayer', 'MessagePlayer', 'VideoPlayer', 'Player',
'MediaList', 'LiveList', 'ShowList', 'PathManager',
'ControlsManager', 'ShowManager', 'PluginManager',
'IOPluginManager', 'MplayerDriver', 'OMXDriver', 'UZBLDriver',
'TimeOfDay', 'ScreenDriver', 'Animate', 'OSCDriver',
'CounterManager', 'BeepsManager', 'Network', 'Mailer'
]
# Monitor.classes=['PiPresents','MediaShow','GapShow','Show','VideoPlayer','Player','OMXDriver']
# Monitor.classes=['OSCDriver']
# get global log level from command line
Monitor.log_level = int(self.options['debug'])
Monitor.manager = self.options['manager']
# print self.options['manager']
self.mon.newline(3)
self.mon.sched(
self, None,
"Pi Presents is starting, Version:" + self.pipresents_minorissue +
' at ' + time.strftime("%Y-%m-%d %H:%M.%S"))
self.mon.log(
self,
"Pi Presents is starting, Version:" + self.pipresents_minorissue +
' at ' + time.strftime("%Y-%m-%d %H:%M.%S"))
# self.mon.log (self," OS and separator:" + os.name +' ' + os.sep)
self.mon.log(self, "sys.path[0] - location of code: " + sys.path[0])
# log versions of Raspbian and omxplayer, and GPU Memory
with open("/boot/issue.txt") as ifile:
self.mon.log(self, '\nRaspbian: ' + ifile.read())
self.mon.log(
self,
'\n' + check_output(["omxplayer", "-v"], universal_newlines=True))
self.mon.log(
self,
'\nGPU Memory: ' + check_output(["vcgencmd", "get_mem", "gpu"],
universal_newlines=True))
if os.geteuid() == 0:
print('Do not run Pi Presents with sudo')
self.mon.log(self, 'Do not run Pi Presents with sudo')
self.mon.finish()
sys.exit(102)
if "DESKTOP_SESSION" not in os.environ:
print('Pi Presents must be run from the Desktop')
self.mon.log(self, 'Pi Presents must be run from the Desktop')
self.mon.finish()
sys.exit(102)
else:
self.mon.log(self, 'Desktop is ' + os.environ['DESKTOP_SESSION'])
# optional other classes used
self.root = None
self.ppio = None
self.tod = None
self.animate = None
self.ioplugin_manager = None
self.oscdriver = None
self.osc_enabled = False
self.tod_enabled = False
self.email_enabled = False
user = os.getenv('USER')
if user is None:
tkinter.messagebox.showwarning(
"You must be logged in to run Pi Presents")
exit(102)
if user != 'pi':
self.mon.warn(self, "You must be logged as pi to use GPIO")
self.mon.log(self, 'User is: ' + user)
# self.mon.log(self,"os.getenv('HOME') - user home directory (not used): " + os.getenv('HOME')) # does not work
# self.mon.log(self,"os.path.expanduser('~') - user home directory: " + os.path.expanduser('~')) # does not work
# check network is available
self.network_connected = False
self.network_details = False
self.interface = ''
self.ip = ''
self.unit = ''
# sets self.network_connected and self.network_details
self.init_network()
# start the mailer and send email when PP starts
self.email_enabled = False
if self.network_connected is True:
self.init_mailer()
if self.email_enabled is True and self.mailer.email_at_start is True:
subject = '[Pi Presents] ' + self.unit + ': PP Started on ' + time.strftime(
"%Y-%m-%d %H:%M")
message = time.strftime(
"%Y-%m-%d %H:%M"
) + '\nUnit: ' + self.unit + ' Profile: ' + self.options[
'profile'] + '\n ' + self.interface + '\n ' + self.ip
self.send_email('start', subject, message)
# get profile path from -p option
if self.options['profile'] != '':
self.pp_profile_path = "/pp_profiles/" + self.options['profile']
else:
self.mon.err(self, "Profile not specified in command ")
self.end('error',
'Profile not specified with the commands -p option')
# get directory containing pp_home from the command,
if self.options['home'] == "":
home = os.sep + 'home' + os.sep + user + os.sep + "pp_home"
else:
home = self.options['home'] + os.sep + "pp_home"
self.mon.log(self, "pp_home directory is: " + home)
# check if pp_home exists.
# try for 10 seconds to allow usb stick to automount
found = False
for i in range(1, 10):
self.mon.log(self,
"Trying pp_home at: " + home + " (" + str(i) + ')')
if os.path.exists(home):
found = True
self.pp_home = home
break
time.sleep(1)
if found is True:
self.mon.log(
self,
"Found Requested Home Directory, using pp_home at: " + home)
else:
self.mon.err(self, "Failed to find pp_home directory at " + home)
self.end('error', "Failed to find pp_home directory at " + home)
# check profile exists
self.pp_profile = self.pp_home + self.pp_profile_path
if os.path.exists(self.pp_profile):
self.mon.sched(self, None,
"Running profile: " + self.pp_profile_path)
self.mon.log(
self, "Found Requested profile - pp_profile directory is: " +
self.pp_profile)
else:
self.mon.err(
self, "Failed to find requested profile: " + self.pp_profile)
self.end('error',
"Failed to find requested profile: " + self.pp_profile)
self.mon.start_stats(self.options['profile'])
if self.options['verify'] is True:
self.mon.err(self,
"Validation option not supported - use the editor")
self.end('error',
'Validation option not supported - use the editor')
# initialise and read the showlist in the profile
self.showlist = ShowList()
self.showlist_file = self.pp_profile + "/pp_showlist.json"
if os.path.exists(self.showlist_file):
self.showlist.open_json(self.showlist_file)
else:
self.mon.err(self, "showlist not found at " + self.showlist_file)
self.end('error', "showlist not found at " + self.showlist_file)
# check profile and Pi Presents issues are compatible
if self.showlist.profile_version() != self.pipresents_version():
self.mon.err(
self,
"Version of showlist " + self.showlist.profile_version_string +
" is not same as Pi Presents")
self.end(
'error',
"Version of showlist " + self.showlist.profile_version_string +
" is not same as Pi Presents")
# get the 'start' show from the showlist
index = self.showlist.index_of_start_show()
if index >= 0:
self.showlist.select(index)
self.starter_show = self.showlist.selected_show()
else:
self.mon.err(self, "Show [start] not found in showlist")
self.end('error', "Show [start] not found in showlist")
# ********************
# SET UP THE GUI
# ********************
# turn off the screenblanking and saver
if self.options['noblank'] is True:
call(["xset", "s", "off"])
call(["xset", "s", "-dpms"])
# find connected displays and create a canvas for each display
self.dm = DisplayManager()
status, message, self.root = self.dm.init(self.options,
self.handle_user_abort)
if status != 'normal':
self.mon.err(self, message)
self.end('error', message)
self.mon.log(
self,
str(DisplayManager.num_displays) + ' Displays are connected:')
for display_name in DisplayManager.display_map:
status, message, display_id, canvas_obj = self.dm.id_of_canvas(
display_name)
if status != 'normal':
continue
width, height = self.dm.real_display_dimensions(display_id)
self.mon.log(
self, ' - ' + self.dm.name_of_display(display_id) + ' Id: ' +
str(display_id) + ' ' + str(width) + '*' + str(height))
canvas_obj.config(bg=self.starter_show['background-colour'])
# ****************************************
# INITIALISE THE TOUCHSCREEN DRIVER
# ****************************************
# each driver takes a set of inputs, binds them to symboic names
# and sets up a callback which returns the symbolic name when an input event occurs
self.sr = ScreenDriver()
# read the screen click area config file
reason, message = self.sr.read(pp_dir, self.pp_home, self.pp_profile)
if reason == 'error':
self.end('error', 'cannot find, or error in screen.cfg')
# create click areas on the canvases, must be polygon as outline rectangles are not filled as far as find_closest goes
reason, message = self.sr.make_click_areas(self.handle_input_event)
if reason == 'error':
self.mon.err(self, message)
self.end('error', message)
# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
self.shutdown_required = False
self.reboot_required = False
self.terminate_required = False
self.exitpipresents_required = False
# initialise the Beeps Manager
self.beepsmanager = BeepsManager()
self.beepsmanager.init(self.pp_home, self.pp_profile)
# initialise the I/O plugins by importing their drivers
self.ioplugin_manager = IOPluginManager()
reason, message = self.ioplugin_manager.init(self.pp_dir,
self.pp_profile,
self.root,
self.handle_input_event,
self.pp_home)
if reason == 'error':
# self.mon.err(self,message)
self.end('error', message)
# kick off animation sequencer
self.animate = Animate()
self.animate.init(pp_dir, self.pp_home, self.pp_profile, self.root,
200, self.handle_output_event)
self.animate.poll()
#create a showmanager ready for time of day scheduler and osc server
show_id = -1
self.show_manager = ShowManager(show_id, self.showlist,
self.starter_show, self.root,
self.pp_dir, self.pp_profile,
self.pp_home)
# first time through set callback to terminate Pi Presents if all shows have ended.
self.show_manager.init(self.all_shows_ended_callback,
self.handle_command, self.showlist)
# Register all the shows in the showlist
reason, message = self.show_manager.register_shows()
if reason == 'error':
self.mon.err(self, message)
self.end('error', message)
# Init OSCDriver, read config and start OSC server
self.osc_enabled = False
if self.network_connected is True:
if os.path.exists(self.pp_profile + os.sep + 'pp_io_config' +
os.sep + 'osc.cfg'):
self.oscdriver = OSCDriver()
reason, message = self.oscdriver.init(
self.pp_profile, self.unit, self.interface, self.ip,
self.handle_command, self.handle_input_event,
self.e_osc_handle_animate)
if reason == 'error':
self.mon.err(self, message)
self.end('error', message)
else:
self.osc_enabled = True
self.root.after(1000, self.oscdriver.start_server())
# initialise ToD scheduler calculating schedule for today
self.tod = TimeOfDay()
reason, message, self.tod_enabled = self.tod.init(
pp_dir, self.pp_home, self.pp_profile, self.showlist, self.root,
self.handle_command)
if reason == 'error':
self.mon.err(self, message)
self.end('error', message)
# warn if the network not available when ToD required
if self.tod_enabled is True and self.network_connected is False:
self.mon.warn(
self,
'Network not connected so Time of Day scheduler may be using the internal clock'
)
# init the counter manager
self.counter_manager = CounterManager()
if self.starter_show['counters-store'] == 'yes':
store_enable = True
else:
store_enable = False
reason, message = self.counter_manager.init(
self.pp_profile + '/counters.cfg', store_enable,
self.options['loadcounters'],
self.starter_show['counters-initial'])
if reason == 'error':
self.mon.err(self, message)
self.end('error', message)
# warn about start shows and scheduler
if self.starter_show['start-show'] == '' and self.tod_enabled is False:
self.mon.sched(
self, None,
"No Start Shows in Start Show and no shows scheduled")
self.mon.warn(
self, "No Start Shows in Start Show and no shows scheduled")
if self.starter_show['start-show'] != '' and self.tod_enabled is True:
self.mon.sched(
self, None,
"Start Shows in Start Show and shows scheduled - conflict?")
self.mon.warn(
self,
"Start Shows in Start Show and shows scheduled - conflict?")
# run the start shows
self.run_start_shows()
# kick off the time of day scheduler which may run additional shows
if self.tod_enabled is True:
self.tod.poll()
# start the I/O plugins input event generation
self.ioplugin_manager.start()
# start Tkinters event loop
self.root.mainloop()
# *********************
# RUN START SHOWS
# ********************
def run_start_shows(self):
self.mon.trace(self, 'run start shows')
# parse the start shows field and start the initial shows
show_refs = self.starter_show['start-show'].split()
for show_ref in show_refs:
reason, message = self.show_manager.control_a_show(
show_ref, 'open')
if reason == 'error':
self.mon.err(self, message)
# *********************
# User inputs
# ********************
def e_osc_handle_animate(self, line):
#jump out of server thread
self.root.after(1, lambda arg=line: self.osc_handle_animate(arg))
def osc_handle_animate(self, line):
self.mon.log(self, "animate command received: " + line)
#osc sends output events as a string
reason, message, delay, name, param_type, param_values = self.animate.parse_animate_fields(
line)
if reason == 'error':
self.mon.err(self, message)
self.end(reason, message)
self.handle_output_event(name, param_type, param_values, 0)
# output events are animate commands
def handle_output_event(self, symbol, param_type, param_values, req_time):
reason, message = self.ioplugin_manager.handle_output_event(
symbol, param_type, param_values, req_time)
if reason == 'error':
self.mon.err(self, message)
self.end(reason, message)
# all input events call this callback providing a symbolic name.
# handle events that affect PP overall, otherwise pass to all active shows
def handle_input_event(self, symbol, source):
self.mon.log(self, "event received: " + symbol + ' from ' + source)
if symbol == 'pp-terminate':
self.handle_user_abort()
elif symbol == 'pp-shutdown':
self.mon.err(
self,
'pp-shutdown removed in version 1.3.3a, see Release Notes')
self.end(
'error',
'pp-shutdown removed in version 1.3.3a, see Release Notes')
elif symbol == 'pp-shutdownnow':
# need root.after to grt out of st thread
self.root.after(1, self.shutdownnow_pressed)
return
elif symbol == 'pp-exitpipresents':
self.exitpipresents_required = True
if self.show_manager.all_shows_exited() is True:
# need root.after to grt out of st thread
self.root.after(1, self.e_all_shows_ended_callback)
return
reason, message = self.show_manager.exit_all_shows()
else:
# pass the input event to all registered shows
for show in self.show_manager.shows:
show_obj = show[ShowManager.SHOW_OBJ]
if show_obj is not None:
show_obj.handle_input_event(symbol)
# commands are generated by tracks and shows
# they can open or close shows, generate input events and do special tasks
# commands also generate osc outputs to other computers
# handles one command provided as a line of text
def handle_command(self, command_text, source='', show=''):
# print 'PIPRESENTS ',command_text,'\n Source',source,'from',show
self.mon.log(self, "command received: " + command_text)
if command_text.strip() == "":
return
fields = command_text.split()
if fields[0] in ('osc', 'OSC'):
if self.osc_enabled is True:
status, message = self.oscdriver.parse_osc_command(fields[1:])
if status == 'warn':
self.mon.warn(self, message)
if status == 'error':
self.mon.err(self, message)
self.end('error', message)
return
else:
return
if fields[0] == 'counter':
status, message = self.counter_manager.parse_counter_command(
fields[1:])
if status == 'error':
self.mon.err(self, message)
self.end('error', message)
return
if fields[0] == 'beep':
# cheat, field 0 will always be beep
message, fields = self.beepsmanager.parse_beep(command_text)
if message != '':
self.mon.err(self, message)
self.end('error', message)
return
location = self.beepsmanager.complete_path(fields[1])
if not os.path.exists(location):
message = 'Beep file does not exist: ' + location
self.mon.err(self, message)
self.end('error', message)
return
else:
self.beepsmanager.do_beep(location)
return
show_command = fields[0]
if len(fields) > 1:
show_ref = fields[1]
else:
show_ref = ''
if show_command in ('open', 'close', 'closeall', 'openexclusive'):
self.mon.sched(self, TimeOfDay.now,
command_text + ' received from show:' + show)
if self.shutdown_required is False and self.terminate_required is False:
reason, message = self.show_manager.control_a_show(
show_ref, show_command)
else:
return
elif show_command == 'monitor':
self.handle_monitor_command(show_ref)
return
elif show_command == 'cec':
self.handle_cec_command(show_ref)
return
elif show_command == 'event':
self.handle_input_event(show_ref, 'Show Control')
return
elif show_command == 'exitpipresents':
self.exitpipresents_required = True
if self.show_manager.all_shows_exited() is True:
# need root.after to get out of st thread
self.root.after(1, self.e_all_shows_ended_callback)
return
else:
reason, message = self.show_manager.exit_all_shows()
elif show_command == 'shutdownnow':
# need root.after to get out of st thread
self.root.after(1, self.shutdownnow_pressed)
return
elif show_command == 'reboot':
# need root.after to get out of st thread
self.root.after(1, self.reboot_pressed)
return
else:
reason = 'error'
message = 'command not recognised: ' + show_command
if reason == 'error':
self.mon.err(self, message)
return
def handle_monitor_command(self, command):
if command == 'on':
os.system('vcgencmd display_power 1 >/dev/null')
elif command == 'off':
os.system('vcgencmd display_power 0 >/dev/null')
def handle_cec_command(self, command):
if command == 'on':
os.system('echo "on 0" | cec-client -s')
elif command == 'standby':
os.system('echo "standby 0" | cec-client -s')
elif command == 'scan':
os.system('echo scan | cec-client -s -d 1')
# deal with differnt commands/input events
def shutdownnow_pressed(self):
self.shutdown_required = True
if self.show_manager.all_shows_exited() is True:
self.all_shows_ended_callback('normal', 'no shows running')
else:
# calls exit method of all shows, results in all_shows_closed_callback
self.show_manager.exit_all_shows()
def reboot_pressed(self):
self.reboot_required = True
if self.show_manager.all_shows_exited() is True:
self.all_shows_ended_callback('normal', 'no shows running')
else:
# calls exit method of all shows, results in all_shows_closed_callback
self.show_manager.exit_all_shows()
def handle_sigterm(self, signum, fframe):
self.mon.log(self, 'SIGTERM received - ' + str(signum))
self.terminate()
def handle_user_abort(self):
self.mon.log(self, 'User abort received')
self.terminate()
def terminate(self):
self.mon.log(self, "terminate received")
self.terminate_required = True
needs_termination = False
for show in self.show_manager.shows:
# print show[ShowManager.SHOW_OBJ], show[ShowManager.SHOW_REF]
if show[ShowManager.SHOW_OBJ] is not None:
needs_termination = True
self.mon.log(
self,
"Sent terminate to show " + show[ShowManager.SHOW_REF])
# call shows terminate method
# eventually the show will exit and after all shows have exited all_shows_callback will be executed.
show[ShowManager.SHOW_OBJ].terminate()
if needs_termination is False:
self.end('killed', 'killed - no termination of shows required')
# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************
def e_all_shows_ended_callback(self):
self.all_shows_ended_callback('normal', 'no shows running')
# callback from ShowManager when all shows have ended
def all_shows_ended_callback(self, reason, message):
for display_name in DisplayManager.display_map:
status, message, display_id, canvas_obj = self.dm.id_of_canvas(
display_name)
if status != 'normal':
continue
canvas_obj.config(bg=self.starter_show['background-colour'])
if reason in (
'killed', 'error'
) or self.shutdown_required is True or self.exitpipresents_required is True or self.reboot_required is True:
self.end(reason, message)
def end(self, reason, message):
self.mon.log(self, "Pi Presents ending with reason: " + reason)
if self.root is not None:
self.root.destroy()
self.tidy_up()
if reason == 'killed':
if self.email_enabled is True and self.mailer.email_on_terminate is True:
subject = '[Pi Presents] ' + self.unit + ': PP Exited with reason: Terminated'
message = time.strftime(
"%Y-%m-%d %H:%M"
) + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip
self.send_email(reason, subject, message)
self.mon.sched(self, None, "Pi Presents Terminated, au revoir\n")
self.mon.log(self, "Pi Presents Terminated, au revoir")
# close logging files
self.mon.finish()
print('Uncollectable Garbage', gc.collect())
# objgraph.show_backrefs(objgraph.by_type('Canvas'),filename='backrefs.png')
sys.exit(101)
elif reason == 'error':
if self.email_enabled is True and self.mailer.email_on_error is True:
subject = '[Pi Presents] ' + self.unit + ': PP Exited with reason: Error'
message_text = 'Error message: ' + message + '\n' + time.strftime(
"%Y-%m-%d %H:%M"
) + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip
self.send_email(reason, subject, message_text)
self.mon.sched(self, None,
"Pi Presents closing because of error, sorry\n")
self.mon.log(self, "Pi Presents closing because of error, sorry")
# close logging files
self.mon.finish()
print('uncollectable garbage', gc.collect())
sys.exit(102)
else:
self.mon.sched(self, None, "Pi Presents exiting normally, bye\n")
self.mon.log(self, "Pi Presents exiting normally, bye")
# close logging files
self.mon.finish()
if self.reboot_required is True:
# print 'REBOOT'
call(['sudo', 'reboot'])
if self.shutdown_required is True:
# print 'SHUTDOWN'
call(['sudo', 'shutdown', 'now', 'SHUTTING DOWN'])
print('uncollectable garbage', gc.collect())
sys.exit(100)
# tidy up all the peripheral bits of Pi Presents
def tidy_up(self):
self.handle_monitor_command('on')
self.mon.log(self, "Tidying Up")
# turn screen blanking back on
if self.options['noblank'] is True:
call(["xset", "s", "on"])
call(["xset", "s", "+dpms"])
# tidy up animation
if self.animate is not None:
self.animate.terminate()
# tidy up i/o plugins
if self.ioplugin_manager != None:
self.ioplugin_manager.terminate()
if self.osc_enabled is True:
self.oscdriver.terminate()
# tidy up time of day scheduler
if self.tod_enabled is True:
self.tod.terminate()
# *******************************
# Connecting to network and email
# *******************************
def init_network(self):
timeout = int(self.options['nonetwork'])
if timeout == 0:
self.network_connected = False
self.unit = ''
self.ip = ''
self.interface = ''
return
self.network = Network()
self.network_connected = False
# try to connect to network
self.mon.log(self,
'Waiting up to ' + str(timeout) + ' seconds for network')
success = self.network.wait_for_network(timeout)
if success is False:
self.mon.warn(
self, 'Failed to connect to network after ' + str(timeout) +
' seconds')
# tkMessageBox.showwarning("Pi Presents","Failed to connect to network so using fake-hwclock")
return
self.network_connected = True
self.mon.sched(
self, None, 'Time after network check is ' +
time.strftime("%Y-%m-%d %H:%M.%S"))
self.mon.log(
self, 'Time after network check is ' +
time.strftime("%Y-%m-%d %H:%M.%S"))
# Get web configuration
self.network_details = False
network_options_file_path = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_web.cfg'
if not os.path.exists(network_options_file_path):
self.mon.warn(
self, "pp_web.cfg not found at " + network_options_file_path)
return
self.mon.log(self, 'Found pp_web.cfg in ' + network_options_file_path)
self.network.read_config(network_options_file_path)
self.unit = self.network.unit
# get interface and IP details of preferred interface
self.interface, self.ip = self.network.get_preferred_ip()
if self.interface == '':
self.network_connected = False
return
self.network_details = True
self.mon.log(
self, 'Network details ' + self.unit + ' ' + self.interface + ' ' +
self.ip)
def init_mailer(self):
self.email_enabled = False
email_file_path = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_email.cfg'
if not os.path.exists(email_file_path):
self.mon.log(self, 'pp_email.cfg not found at ' + email_file_path)
return
self.mon.log(self, 'Found pp_email.cfg at ' + email_file_path)
self.mailer = Mailer()
self.mailer.read_config(email_file_path)
# all Ok so can enable email if config file allows it.
if self.mailer.email_allowed is True:
self.email_enabled = True
self.mon.log(self, 'Email Enabled')
def try_connect(self):
tries = 1
while True:
success, error = self.mailer.connect()
if success is True:
return True
else:
self.mon.log(
self, 'Failed to connect to email SMTP server ' +
str(tries) + '\n ' + str(error))
tries += 1
if tries > 5:
self.mon.log(
self, 'Failed to connect to email SMTP server after ' +
str(tries))
return False
def send_email(self, reason, subject, message):
if self.try_connect() is False:
return False
else:
success, error = self.mailer.send(subject, message)
if success is False:
self.mon.log(self, 'Failed to send email: ' + str(error))
success, error = self.mailer.disconnect()
if success is False:
self.mon.log(self,
'Failed disconnect after send:' + str(error))
return False
else:
self.mon.log(self, 'Sent email for ' + reason)
success, error = self.mailer.disconnect()
if success is False:
self.mon.log(
self,
'Failed disconnect from email server ' + str(error))
return True
class MediaList(object):
"""
manages a media list of tracks and the track selected from the medialist
"""
def __init__(self, sequence):
self.clear()
self.mon = Monitor()
self.sequence = sequence
# Functions for the editor dealing with complete list
def clear(self):
self._tracks = [] #MediaList, stored as a list of dicts
self._num_tracks = 0
self._selected_track_index = -1 # index of currently selected track
def print_list(self):
print '\n'
print self._tracks
def first(self):
self._selected_track_index = -1
self.next(self.sequence
) #let this do the work of randomaising or advancing to 0
def length(self):
return self._num_tracks
def append(self, track_dict):
# print '\ntrack dict',track_dict
"""appends a track dictionary to the end of the medialist store"""
self._tracks.append(copy.deepcopy(track_dict))
self._num_tracks += 1
def update(self, index, values):
self._tracks[index].update(values)
def remove(self, index):
self._tracks.pop(index)
self._num_tracks -= 1
# deselect any track, saves worrying about whether index needs changing
self._selected_track_index = -1
def move_up(self):
if self._selected_track_index != 0:
self._tracks.insert(self._selected_track_index - 1,
self._tracks.pop(self._selected_track_index))
self.select(self._selected_track_index - 1)
def move_down(self):
if self._selected_track_index != self._num_tracks - 1:
self._tracks.insert(self._selected_track_index + 1,
self._tracks.pop(self._selected_track_index))
self.select(self._selected_track_index + 1)
def replace(self, index, replacement):
self._tracks[index] = replacement
# Common functions work for anything
def track_is_selected(self):
if self._selected_track_index >= 0:
return True
else:
return False
def selected_track_index(self):
return self._selected_track_index
def track(self, index):
return self._tracks[index]
def selected_track(self):
"""returns a dictionary containing all fields in the selected track """
return self._selected_track
def select(self, index):
"""does housekeeping necessary when a track is selected"""
if self._num_tracks > 0 and index >= 0 and index < self._num_tracks:
self._selected_track_index = index
self._selected_track = self._tracks[index]
return True
else:
return False
# Dealing with anonymous tracks for use and display
def at_end(self):
# true is selected track is last anon
index = self._num_tracks - 1
while index >= 0:
if self._tracks[index]['track-ref'] == "":
end = index
if self._selected_track_index == end:
return True
else:
return False
index -= 1
return False
def index_of_end(self):
if self.anon_length() == 0:
return False
index = self._num_tracks - 1
while index >= 0:
if self._tracks[index]['track-ref'] == "":
return index
index -= 1
return -1
def at_start(self):
if self.anon_length() == 0:
return False
index = 0
while index < self._num_tracks:
if self._tracks[index]['track-ref'] == "":
start = index
if self._selected_track_index == start:
return True
else:
return False
index += 1
return False
def index_of_start(self):
if self.anon_length() == 0:
return False
index = 0
while index < self._num_tracks:
if self._tracks[index]['track-ref'] == "":
return index
index += 1
return False
def anon_length(self):
# number of anonymous tracks
count = 0
index = 0
while index < self._num_tracks:
if self._tracks[index]['track-ref'] == "":
count += 1
index += 1
return count
def start(self):
if self.anon_length() == 0:
return False
# select first anonymous track in the list
if self.sequence == 'ordered':
index = 0
while index < self._num_tracks:
if self._tracks[index]['track-ref'] == "":
self.select(index)
return True
index += 1
return False
else:
match = random.randint(0, self.anon_length() - 1)
# print 'match',match
index = 0
while index < self._num_tracks:
if self._tracks[index]['track-ref'] == "" and index == match:
self.select(index)
# print index
return index
index += 1
def finish(self):
if self.anon_length() == 0:
return False
if self.sequence == 'ordered':
# select last anymous track in the list
index = self._num_tracks - 1
while index >= 0:
if self._tracks[index]['track-ref'] == "":
self.select(index)
return True
index -= 1
return False
else:
match = random.randint(0, self.anon_length() - 1)
# print 'match',match
index = 0
while index < self._num_tracks:
if self._tracks[index]['track-ref'] == "" and index == match:
self.select(index)
# print index
return index
index += 1
def select_anon_by_index(self, wanted):
if self.anon_length() == 0:
return False
index = 0
anon_index = 0
while index != self._num_tracks:
# print index,self._tracks[index] ['track-ref'],wanted
if self._tracks[index]['track-ref'] == "":
if anon_index == wanted:
# print 'match\n'
self.select(index)
return True
anon_index += 1
index = index + 1
return False
def next(self, sequence):
if self.anon_length() == 0:
return False
if sequence == 'ordered':
if self._selected_track_index == self._num_tracks - 1:
index = 0
else:
index = self._selected_track_index + 1
end = self._selected_track_index
else:
index = random.randint(0, self.anon_length() - 1)
if index == 0:
end = self._num_tracks - 1
else:
end = index - 1
# search for next anonymous track
# print 'index', index, 'end',end
while index != end:
if self._tracks[index]['track-ref'] == "":
self.select(index)
return True
if index == self._num_tracks - 1:
index = 0
else:
index = index + 1
return False
def previous(self, sequence):
if self.anon_length() == 0:
return False
if sequence == 'ordered':
if self._selected_track_index == 0:
index = self._num_tracks - 1
else:
index = self._selected_track_index - 1
end = self._selected_track_index
else:
index = random.randint(0, self.anon_length() - 1)
if index == self._num_tracks - 1:
end = 0
else:
end = index + 1
# print 'index', index, 'end',end
# search for previous anonymous track
while index != end:
if self._tracks[index]['track-ref'] == "":
self.select(index)
return True
if index == 0:
index = self._num_tracks - 1
else:
index = index - 1
return False
# Lookup for labelled tracks
def index_of_track(self, wanted_track):
index = 0
for track in self._tracks:
if track['track-ref'] == wanted_track:
return index
index += 1
return -1
# open and save
def open_list(self, filename, profile_version):
"""
opens a saved medialist
medialists are stored as json arrays.
"""
ifile = open(filename, 'rb')
mdict = json.load(ifile)
ifile.close()
self._tracks = mdict['tracks']
if 'issue' in mdict:
self.medialist_version_string = mdict['issue']
else:
self.medialist_version_string = "1.0"
if self.medialist_version() == profile_version:
self._num_tracks = len(self._tracks)
self.last_num_tracks = self._num_tracks
self._selected_track_index = -1
return True
else:
return False
def medialist_version(self):
vitems = self.medialist_version_string.split('.')
if len(vitems) == 2:
# cope with 2 digit version numbers before 1.3.2
return 1000 * int(vitems[0]) + 100 * int(vitems[1])
else:
return 1000 * int(vitems[0]) + 100 * int(vitems[1]) + int(
vitems[2])
# dummy for mediliast, in livelist the list is created from the live_track directories
def use_new_livelist(self):
pass
def create_new_livelist(self):
pass
def new_length(self):
return self.length()
# for medialist the content of the list never changes so return False
def livelist_changed(self):
return False
def save_list(self, filename):
""" save a medialist """
if filename == "":
return False
dic = {'issue': self.medialist_version_string, 'tracks': self._tracks}
filename = str(filename)
filename = string.replace(filename, '\\', '/')
tries = 1
while tries <= 10:
# print "save medialist ",filename
try:
ofile = open(filename, "wb")
json.dump(dic, ofile, sort_keys=True, indent=1)
ofile.close()
self.mon.log(self, "Saved medialist " + filename)
break
except IOError:
self.mon.err(
self,
"failed to save medialist, trying again " + str(tries))
tries += 1
return
class PiPresents:
def __init__(self):
self.pipresents_issue="1.2"
self.nonfull_window_width = 0.6 # proportion of width
self.nonfull_window_height= 0.6 # proportion of height
self.nonfull_window_x = 0 # position of top left corner
self.nonfull_window_y=0 # position of top left corner
StopWatch.global_enable=False
#****************************************
# Initialisation
# ***************************************
# get command line options
self.options=command_options()
# get pi presents code directory
pp_dir=sys.path[0]
self.pp_dir=pp_dir
if not os.path.exists(pp_dir+"/pipresents.py"):
tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
exit()
#Initialise logging
Monitor.log_path=pp_dir
self.mon=Monitor()
self.mon.on()
if self.options['debug']==True:
Monitor.global_enable=True
else:
Monitor.global_enable=False
self.mon.log (self, "Pi Presents is starting")
self.mon.log (self," OS and separator:" + os.name +' ' + os.sep)
self.mon.log(self,"sys.path[0] - location of code: "+sys.path[0])
# self.mon.log(self,"os.getenv('HOME') - user home directory (not used): " + os.getenv('HOME'))
# self.mon.log(self,"os.path.expanduser('~') - user home directory: " + os.path.expanduser('~'))
# optional other classes used
self.ppio=None
self.tod=None
#get profile path from -p option
if self.options['profile']<>"":
self.pp_profile_path="/pp_profiles/"+self.options['profile']
else:
self.pp_profile_path = "/pp_profiles/pp_profile"
#get directory containing pp_home from the command,
if self.options['home'] =="":
home = os.path.expanduser('~')+ os.sep+"pp_home"
else:
home = self.options['home'] + os.sep+ "pp_home"
self.mon.log(self,"pp_home directory is: " + home)
#check if pp_home exists.
# try for 10 seconds to allow usb stick to automount
# fall back to pipresents/pp_home
self.pp_home=pp_dir+"/pp_home"
found=False
for i in range (1, 10):
self.mon.log(self,"Trying pp_home at: " + home + " (" + str(i)+')')
if os.path.exists(home):
found=True
self.pp_home=home
break
time.sleep (1)
if found==True:
self.mon.log(self,"Found Requested Home Directory, using pp_home at: " + home)
else:
self.mon.log(self,"FAILED to find requested home directory, using default to display error message: " + self.pp_home)
#check profile exists, if not default to error profile inside pipresents
self.pp_profile=self.pp_home+self.pp_profile_path
if os.path.exists(self.pp_profile):
self.mon.log(self,"Found Requested profile - pp_profile directory is: " + self.pp_profile)
else:
self.pp_profile=pp_dir+"/pp_home/pp_profiles/pp_profile"
self.mon.log(self,"FAILED to find requested profile, using default to display error message: pp_profile")
if self.options['verify']==True:
val =Validator()
if val.validate_profile(None,pp_dir,self.pp_home,self.pp_profile,self.pipresents_issue,False) == False:
tkMessageBox.showwarning("Pi Presents","Validation Failed")
exit()
# open the resources
self.rr=ResourceReader()
# read the file, done once for all the other classes to use.
if self.rr.read(pp_dir,self.pp_home,self.pp_profile)==False:
self.end('error','cannot find resources.cfg')
#initialise and read the showlist in the profile
self.showlist=ShowList()
self.showlist_file= self.pp_profile+ "/pp_showlist.json"
if os.path.exists(self.showlist_file):
self.showlist.open_json(self.showlist_file)
else:
self.mon.err(self,"showlist not found at "+self.showlist_file)
self.end('error','showlist not found')
# check profile and Pi Presents issues are compatible
if float(self.showlist.sissue())<>float(self.pipresents_issue):
self.mon.err(self,"Version of profile " + self.showlist.sissue() + " is not same as Pi Presents, must exit")
self.end('error','wrong version of profile')
# get the 'start' show from the showlist
index = self.showlist.index_of_show('start')
if index >=0:
self.showlist.select(index)
self.starter_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show [start] not found in showlist")
self.end('error','start show not found')
# ********************
# SET UP THE GUI
# ********************
#turn off the screenblanking and saver
if self.options['noblank']==True:
call(["xset","s", "off"])
call(["xset","s", "-dpms"])
self.root=Tk()
self.title='Pi Presents - '+ self.pp_profile
self.icon_text= 'Pi Presents'
self.root.title(self.title)
self.root.iconname(self.icon_text)
self.root.config(bg='black')
# get size of the screen
self.screen_width = self.root.winfo_screenwidth()
self.screen_height = self.root.winfo_screenheight()
# set window dimensions and decorations
if self.options['fullscreen']==True:
self.root.attributes('-fullscreen', True)
os.system('unclutter &')
self.window_width=self.screen_width
self.window_height=self.screen_height
self.window_x=0
self.window_y=0
self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
self.root.attributes('-zoomed','1')
else:
self.window_width=int(self.screen_width*self.nonfull_window_width)
self.window_height=int(self.screen_height*self.nonfull_window_height)
self.window_x=self.nonfull_window_x
self.window_y=self.nonfull_window_y
self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
#canvas covers the whole window
self.canvas_height=self.screen_height
self.canvas_width=self.screen_width
# make sure focus is set.
self.root.focus_set()
#define response to main window closing.
self.root.protocol ("WM_DELETE_WINDOW", self.exit_pressed)
#setup a canvas onto which will be drawn the images or text
self.canvas = Canvas(self.root, bg='black')
self.canvas.config(height=self.canvas_height,
width=self.canvas_width,
highlightthickness=0)
# self.canvas.pack()
self.canvas.place(x=0,y=0)
self.canvas.focus_set()
# ****************************************
# INITIALISE THE INPUT DRIVERS
# ****************************************
# looks after bindings between symbolic names and internal operations
controlsmanager=ControlsManager()
if controlsmanager.read(pp_dir,self.pp_home,self.pp_profile)==False:
self.end('error','cannot find or error in controls.cfg.cfg')
else:
controlsmanager.parse_defaults()
# each driver takes a set of inputs, binds them to symboic names
# and sets up a callback which returns the symbolic name when an input event occurs/
# use keyboard driver to bind keys to symbolic names and to set up callback
kbd=KbdDriver()
if kbd.read(pp_dir,self.pp_home,self.pp_profile)==False:
self.end('error','cannot find or error in keys.cfg')
kbd.bind_keys(self.root,self.input_pressed)
self.sr=ScreenDriver()
# read the screen click area config file
if self.sr.read(pp_dir,self.pp_home,self.pp_profile)==False:
self.end('error','cannot find screen.cfg')
# create click areas on the canvas, must be polygon as outline rectangles are not filled as far as find_closest goes
reason,message = self.sr.make_click_areas(self.canvas,self.input_pressed)
if reason=='error':
self.mon.err(self,message)
self.end('error',message)
# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
self.shutdown_required=False
#kick off GPIO if enabled by command line option
if self.options['gpio']==True:
from pp_gpio import PPIO
# initialise the GPIO
self.ppio=PPIO()
# PPIO.gpio_enabled=False
if self.ppio.init(pp_dir,self.pp_home,self.pp_profile,self.canvas,50,self.gpio_pressed)==False:
self.end('error','gpio error')
# and start polling gpio
self.ppio.poll()
#kick off the time of day scheduler
self.tod=TimeOfDay()
self.tod.init(pp_dir,self.pp_home,self.canvas,500)
self.tod.poll()
# Create list of start shows initialise them and then run them
self.run_start_shows()
#start tkinter
self.root.mainloop( )
# *********************
# RUN START SHOWS
# ********************
def run_start_shows(self):
#start show manager
show_id=-1 #start show
self.show_manager=ShowManager(show_id,self.showlist,self.starter_show,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
#first time through so empty show register and set callback to terminate Pi Presents if all shows have ended.
self.show_manager.init(self.all_shows_ended_callback)
#parse the start shows field and start the initial shows
start_shows_text=self.starter_show['start-show']
self.show_manager.start_initial_shows(start_shows_text)
#callback from ShowManager when all shows have ended
def all_shows_ended_callback(self,reason,message,force_shutdown):
self.mon.log(self,"All shows ended, so terminate Pi Presents")
if force_shutdown==True:
self.shutdown_required=True
self.mon.log(self,"shutdown forced by profile")
self.terminate('killed')
else:
self.end(reason,message)
# *********************
# User inputs
# ********************
#gpio callback - symbol provided by gpio
def gpio_pressed(self,index,symbol,edge):
self.mon.log(self, "GPIO Pressed: "+ symbol)
self.input_pressed(symbol,edge,'gpio')
# all input events call this callback with a symbolic name.
def input_pressed(self,symbol,edge,source):
self.mon.log(self,"input received: "+symbol)
if symbol=='pp-exit':
self.exit_pressed()
elif symbol=='pp-shutdown':
self.shutdown_pressed('delay')
elif symbol=='pp-shutdownnow':
self.shutdown_pressed('now')
else:
for show in self.show_manager.shows:
show_obj=show[ShowManager.SHOW_OBJ]
if show_obj<>None:
show_obj.input_pressed(symbol,edge,source)
# **************************************
# respond to exit inputs by terminating
# **************************************
def shutdown_pressed(self, when):
if when=='delay':
self.root.after(5000,self.on_shutdown_delay)
else:
self.shutdown_required=True
self.exit_pressed()
def on_shutdown_delay(self):
if self.ppio.shutdown_pressed():
self.shutdown_required=True
self.exit_pressed()
def exit_pressed(self):
self.mon.log(self, "kill received from user")
#terminate any running shows and players
self.mon.log(self,"kill sent to shows")
self.terminate('killed')
# kill or error
def terminate(self,reason):
needs_termination=False
for show in self.show_manager.shows:
if show[ShowManager.SHOW_OBJ]<>None:
needs_termination=True
self.mon.log(self,"Sent terminate to show "+ show[ShowManager.SHOW_REF])
show[ShowManager.SHOW_OBJ].terminate(reason)
if needs_termination==False:
self.end(reason,'terminate - no termination of lower levels required')
# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************
def end(self,reason,message):
self.mon.log(self,"Pi Presents ending with message: " + reason + ' ' + message)
if reason=='error':
self.tidy_up()
self.mon.log(self, "exiting because of error")
#close logging files
self.mon.finish()
exit()
else:
self.tidy_up()
self.mon.log(self,"no error - exiting normally")
#close logging files
self.mon.finish()
if self.shutdown_required==True:
call(['sudo', 'shutdown', '-h', '-t 5','now'])
exit()
else:
exit()
# tidy up all the peripheral bits of Pi Presents
def tidy_up(self):
#turn screen blanking back on
if self.options['noblank']==True:
call(["xset","s", "on"])
call(["xset","s", "+dpms"])
# tidy up gpio
if self.options['gpio']==True and self.ppio<>None:
self.ppio.terminate()
#tidy up time of day scheduler
if self.tod<>None:
self.tod.terminate()
# *****************************
# utilitities
# ****************************
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
self.terminate("error")
else:
return value
class IOPluginManager(object):
plugins = []
def __init__(self):
self.mon = Monitor()
def init(self, pp_dir, pp_profile, widget, callback, pp_home):
self.pp_dir = pp_dir
self.pp_profile = pp_profile
self.pp_home = pp_home
IOPluginManager.plugins = []
if os.path.exists(self.pp_profile + os.sep + 'pp_io_config'):
# read the .cfg files in /pp_io_config in profile registring the I/O plugin
for cfgfile in os.listdir(self.pp_profile + os.sep +
'pp_io_config'):
if cfgfile in ('screen.cfg', 'osc.cfg'):
continue
cfgfilepath = self.pp_profile + os.sep + 'pp_io_config' + os.sep + cfgfile
status, message = self.init_config(cfgfile, cfgfilepath,
widget, callback)
if status == 'error':
return status, message
#read .cfg file in /pipresents/pp_io_config if file not present in profile then use this one
for cfgfile in os.listdir(self.pp_dir + os.sep + 'pp_io_config'):
if cfgfile in ('screen.cfg', 'osc.cfg'):
continue
if not os.path.exists(self.pp_profile + os.sep + 'pp_io_config' +
os.sep + cfgfile):
cfgfilepath = self.pp_dir + os.sep + 'pp_io_config' + os.sep + cfgfile
status, message = self.init_config(cfgfile, cfgfilepath,
widget, callback)
if status == 'error':
return status, message
# print IOPluginManager.plugins
return 'normal', 'I/O Plugins registered'
def init_config(self, cfgfile, cfgfilepath, widget, callback):
# print cfgfile,cfgfilepath
reason, message, config = self._read(cfgfile, cfgfilepath)
if reason == 'error':
self.mon.err(self, 'Failed to read ' + cfgfile + ' ' + message)
return 'error', 'Failed to read ' + cfgfile + ' ' + message
if config.has_section('DRIVER') is False:
self.mon.err(self, 'No DRIVER section in ' + cfgfilepath)
return 'error', 'No DRIVER section in ' + cfgfilepath
entry = dict()
#read information from DRIVER section
entry['title'] = config.get('DRIVER', 'title')
if config.get('DRIVER', 'enabled') == 'yes':
if config.has_option('DRIVER', 'driver-ref'):
entry['driver-ref'] = config.get('DRIVER', 'driver-ref')
else:
entry['driver-ref'] = ''
driver_name = config.get('DRIVER', 'module')
driver_path = self.pp_dir + os.sep + 'pp_io_plugins' + os.sep + driver_name + '.py'
if not os.path.exists(driver_path):
self.mon.err(
self, driver_name + ' Driver not found in ' + driver_path)
return 'error', driver_name + ' Driver not found in ' + driver_path
instance = self._load_plugin_file(
driver_name, self.pp_dir + os.sep + 'pp_io_plugins')
reason, message = instance.init(cfgfile, cfgfilepath, widget,
self.pp_dir, self.pp_home,
self.pp_profile, callback)
if reason == 'warn':
self.mon.warn(self, message)
return 'error', message
if reason == 'error':
self.mon.warn(self, message)
return 'error', message
entry['instance'] = instance
self.mon.log(self, message)
IOPluginManager.plugins.append(entry)
return 'normal', 'I/O Plugins registered'
def start(self):
for entry in IOPluginManager.plugins:
plugin = entry['instance']
if plugin.is_active() is True:
plugin.start()
def terminate(self):
for entry in IOPluginManager.plugins:
plugin = entry['instance']
if plugin.is_active() is True:
plugin.terminate()
self.mon.log(self,
'I/O plugin ' + entry['title'] + ' terminated')
def get_input(self, key, driver_ref=''):
for entry in IOPluginManager.plugins:
plugin = entry['instance']
# print ('trying ',entry['title'],plugin.is_active())
if plugin.is_active(
) is True and driver_ref == entry['driver-ref']:
# need to test found in plugin to allow key to match if driver-ref not used
found, value = plugin.get_input(key)
if found is True:
return found, value
# key not found in any plugin
return False, None
def handle_output_event(self, name, param_type, param_values, req_time):
for entry in IOPluginManager.plugins:
plugin = entry['instance']
# print ('trying ',entry['title'],name,param_type,plugin.is_active())
if plugin.is_active() is True:
# print (name,param_type,param_values,req_time)
reason, message = plugin.handle_output_event(
name, param_type, param_values, req_time)
if reason == 'error':
# self.mon.err(self,message)
return 'error', message
else:
self.mon.log(self, message)
return 'normal', 'output scan complete'
def _load_plugin_file(self, name, driver_dir):
fp, pathname, description = imp.find_module(name, [driver_dir])
module_id = imp.load_module(name, fp, pathname, description)
plugin_class = getattr(module_id, name)
return plugin_class()
def _read(self, filename, filepath):
if os.path.exists(filepath):
config = configparser.ConfigParser(inline_comment_prefixes=(';', ))
config.read(filepath)
self.mon.log(self, filename + " read from " + filepath)
return 'normal', filename + ' read', config
else:
return 'error', filename + ' not found at: ' + filepath, None
class mplayerDriver(object):
_STATUS_REXP = re.compile(r"V :\s*([\d.]+).*")
_DONE_REXP = re.compile(r"Exiting*")
_LAUNCH_CMD = "mplayer -quiet "
def __init__(self, widget):
self.widget = widget
self.mon = Monitor()
self.mon.off()
self._process = None
self.paused = None
def control(self, char):
if self._process <> None:
self._process.send(char)
def pause(self):
if self._process <> None:
self._process.send("p")
if not self.paused:
self.paused = True
else:
self.paused = False
def play(self, track, options):
self._pp(track, options, False)
def prepare(self, track, options):
self._pp(track, options, True)
def show(self):
# unpause to start playing
if self._process <> None:
self._process.send("p")
self.paused = False
def stop(self):
if self._process <> None:
self._process.send("q")
# kill the subprocess (mplayer). Used for tidy up on exit.
def terminate(self, reason):
self.terminate_reason = reason
if self._process <> None:
self._process.send("q")
else:
self.end_play_signal = True
def terminate_reason(self):
return self.terminate_reason
# test of whether _process is running
def is_running(self):
return self._process.isalive()
# ***********************************
# INTERNAL FUNCTIONS
# ************************************
def _pp(self, track, options, pause_before_play):
self.paused = False
self.start_play_signal = False
self.end_play_signal = False
self.terminate_reason = ""
track = "'" + track.replace("'", "'\\''") + "'"
cmd = mplayerDriver._LAUNCH_CMD + options + " " + track
self.mon.log(self, "Send command to mplayer: " + cmd)
self._process = pexpect.spawn(cmd)
# uncomment to monitor output to and input from mplayer (read pexpect manual)
# fout= file('/home/pi/pipresents/mplayerlogfile.txt','w') #uncomment and change sys.stdout to fout to log to a file
# self._process.logfile_send = sys.stdout # send just commands to stdout
# self._process.logfile=fout # send all communications to log file
if pause_before_play:
self._process.send("p")
self.paused = True
# start the thread that is going to monitor sys.stdout. Presumably needs a thread because of blocking
self._position_thread = Thread(target=self._get_position)
self._position_thread.start()
def _get_position(self):
# print 'hang'
# while True:
# pass
self.start_play_signal = True
self.audio_position = 0.0
while True:
index = self._process.expect(
[mplayerDriver._STATUS_REXP, pexpect.TIMEOUT, pexpect.EOF, mplayerDriver._DONE_REXP]
)
if index == 1:
continue # timeout - it doesn't block so is a thread needed?
elif index in (2, 3):
# Exiting
self.end_play_signal = True
break
else:
# presumably matches _STATUS_REXP so get video position
# has a bug, position is not displayed for an audio track (mp3). Need to look at another field in the status, but how to extract it
self.audio_position = 0.0
sleep(0.05)
class ScreenDriver(object):
image_obj = []
def __init__(self):
self.mon = Monitor()
self.dm = DisplayManager()
# read screen.cfg
def read(self, pp_dir, pp_home, pp_profile):
self.pp_dir = pp_dir
self.pp_home = pp_home
# try inside profile
tryfile = pp_profile + os.sep + 'pp_io_config' + os.sep + 'screen.cfg'
# self.mon.log(self,"Trying screen.cfg in profile at: "+ tryfile)
if os.path.exists(tryfile):
filename = tryfile
else:
#give congiparser an empty filename so it returns an empty config.
filename = ''
ScreenDriver.config = configparser.ConfigParser(
inline_comment_prefixes=(';', ))
ScreenDriver.config.read(filename)
if filename != '':
self.mon.log(self, "screen.cfg read from " + filename)
return 'normal', 'screen.cfg read'
def click_areas(self):
return ScreenDriver.config.sections()
def get(self, section, item):
return ScreenDriver.config.get(section, item)
def is_in_config(self, section, item):
return ScreenDriver.config.has_option(section, item)
def parse_displays(self, text):
return text.split(' ')
# make click areas on the screen, bind them to their symbolic name, and create a callback if it is clicked.
# click areas must be polygon as outline rectangles are not filled as far as find_closest goes
# canvas is the PiPresents canvas
def make_click_areas(self, callback):
self.callback = callback
reason = ''
ScreenDriver.image_obj = []
for area in self.click_areas():
if not self.is_in_config(area, 'displays'):
reason = 'error'
message = 'missing displays field in screen.cfg'
break
displays_list = self.parse_displays(self.get(area, 'displays'))
# print ('\n\n',displays_list)
reason, message, points = self.parse_points(
self.get(area, 'points'), self.get(area, 'name'))
if reason == 'error':
break
# calculate centre of polygon
vertices = len(points) // 2
# print area, 'vertices',vertices
sum_x = 0
sum_y = 0
for i in range(0, vertices):
# print i
sum_x = sum_x + int(points[2 * i])
# print int(points[2*i])
sum_y = sum_y + int(points[2 * i + 1])
# print int(points[2*i+1])
polygon_centre_x = sum_x / vertices
polygon_centre_y = sum_y / vertices
for display_name in DisplayManager.display_map:
if display_name in displays_list:
status, message, display_id, canvas = self.dm.id_of_canvas(
display_name)
if status != 'normal':
continue
canvas.create_polygon(
points,
fill=self.get(area, 'fill-colour'),
outline=self.get(area, 'outline-colour'),
tags=("pp-click-area", self.get(area, 'name')),
state='hidden')
# image for the button
if not self.is_in_config(area, 'image'):
reason = 'error'
message = 'missing image fields in screen.cfg'
break
image_name = self.get(area, 'image')
if image_name != '':
image_width = int(self.get(area, 'image-width'))
image_height = int(self.get(area, 'image-height'))
image_path = self.complete_path(image_name)
if os.path.exists(image_path) is True:
self.pil_image = Image.open(image_path)
else:
image_path = self.pp_dir + os.sep + 'pp_resources' + os.sep + 'button.jpg'
if os.path.exists(image_path) is True:
self.mon.warn(
self,
'Default button image used for ' + area)
self.pil_image = Image.open(image_path)
else:
self.mon.warn(
self,
'Button image does not exist for ' + area)
self.pil_image = None
if self.pil_image is not None:
self.pil_image = self.pil_image.resize(
(image_width - 1, image_height - 1))
photo_image_id = ImageTk.PhotoImage(self.pil_image)
# print (display_id, canvas,self.pil_image,photo_image_id,self.get(area,'name'))
image_id = canvas.create_image(
polygon_centre_x,
polygon_centre_y,
image=photo_image_id,
anchor=CENTER,
tags=('pp-click-area', self.get(area, 'name')),
state='hidden')
del self.pil_image
ScreenDriver.image_obj.append(photo_image_id)
# print (ScreenDriver.image_obj)
# write the label at the centroid
if self.get(area, 'text') != '':
canvas.create_text(polygon_centre_x,
polygon_centre_y,
text=self.get(area, 'text'),
fill=self.get(area, 'text-colour'),
font=self.get(area, 'text-font'),
tags=('pp-click-area',
self.get(area, 'name')),
state='hidden')
canvas.bind('<Button-1>', self.click_pressed)
if reason == 'error':
return 'error', message
else:
return 'normal', 'made click areas'
# callback for click on screen
def click_pressed(self, event):
x = event.x
y = event.y
# fail to correct the pointer position on touch so set for mouse click
# x,y,text=self.dm.correct_touchscreen_pointer(event,0,False)
overlapping = event.widget.find_overlapping(x - 5, y - 5, x + 5, y + 5)
for item in overlapping:
# print ScreenDriver.canvas.gettags(item)
if ('pp-click-area'
in event.widget.gettags(item)) and event.widget.itemcget(
item, 'state') == 'normal':
self.mon.log(
self, "Click on screen: " + event.widget.gettags(item)[1])
self.callback(event.widget.gettags(item)[1], 'SCREEN')
# need break as find_overlapping returns two results for each click, one with 'current' one without.
break
def is_click_area(self, test_area, canvas):
click_areas = canvas.find_withtag('pp-click-area')
for area in click_areas:
if test_area in canvas.gettags(area):
return True
return False
# use links with the symbolic name of click areas to enable the click areas in a show
def enable_click_areas(self, links, canvas):
for link in links:
if self.is_click_area(link[0], canvas) and link[1] != 'null':
# print 'enabling link ',link[0]
canvas.itemconfig(link[0], state='normal')
def hide_click_areas(self, links, canvas):
# hide click areas
for link in links:
if self.is_click_area(link[0], canvas) and link[1] != 'null':
# print 'disabling link ',link[0]
canvas.itemconfig(link[0], state='hidden')
# this does not seem to change the colour of the polygon
# ScreenDriver.canvas.itemconfig('pp-click-area',state='hidden')
canvas.update_idletasks()
def parse_points(self, points_text, area):
if points_text.strip() == '':
return 'error', 'No points in click area: ' + area, []
if '+' in points_text:
# parse x+y+width*height
fields = points_text.split('+')
if len(fields) != 3:
return 'error','Do not understand click area points: '+area,[]
dimensions = fields[2].split('*')
if len(dimensions) != 2:
return 'error','Do not understand click area points: '+area,[]
if not fields[0].isdigit():
return 'error','x1 is not a positive integer in click area: '+area,[]
else:
x1 = int(fields[0])
if not fields[1].isdigit():
return 'error','y1 is not a positive integer in click area: '+area,[]
else:
y1 = int(fields[1])
if not dimensions[0].isdigit():
return 'error','width1 is not a positive integer in click area: '+area,[]
else:
width = int(dimensions[0])
if not dimensions[1].isdigit():
return 'error','height is not a positive integer in click area: '+area,[]
else:
height = int(dimensions[1])
return 'normal', '', [
str(x1),
str(y1),
str(x1 + width),
str(y1),
str(x1 + width),
str(y1 + height),
str(x1),
str(y1 + height)
]
else:
# parse unlimited set of x,y,coords
points = points_text.split()
if len(points) < 6:
return 'error','Less than 3 vertices in click area: '+area,[]
if len(points) % 2 != 0:
return 'error','Odd number of points in click area: '+area,[]
for point in points:
if not point.isdigit():
return 'error','point is not a positive integer in click area: '+area,[]
return 'normal', 'parsed points OK', points
def complete_path(self, track_file):
# complete path of the filename of the selected entry
if track_file != '' and track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
elif track_file[0] == "@":
track_file = self.pp_profile + track_file[1:]
return track_file
class PPEditor:
# ***************************************
# INIT
# ***************************************
def __init__(self):
self.editor_issue="1.2"
# get command options
self.command_options=ed_options()
# get directory holding the code
self.pp_dir=sys.path[0]
if not os.path.exists(self.pp_dir+os.sep+"pp_editor.py"):
tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
exit()
#Initialise logging
Monitor.log_path=self.pp_dir
self.mon=Monitor()
self.mon.on()
if self.command_options['debug'] == True:
Monitor.global_enable=True
else:
Monitor.global_enable=False
self.mon.log (self, "Pi Presents Editor is starting")
self.mon.log (self," OS and separator " + os.name +' ' + os.sep)
self.mon.log(self,"sys.path[0] - location of code: code "+sys.path[0])
# set up the gui
#root is the Tkinter root widget
self.root = tk.Tk()
self.root.title("Editor for Pi Presents")
# self.root.configure(background='grey')
self.root.resizable(False,False)
#define response to main window closing
self.root.protocol ("WM_DELETE_WINDOW", self.app_exit)
# bind some display fields
self.filename = tk.StringVar()
self.display_selected_track_title = tk.StringVar()
self.display_show = tk.StringVar()
# define menu
menubar = Menu(self.root)
profilemenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
profilemenu.add_command(label='Open', command = self.open_existing_profile)
profilemenu.add_command(label='Validate', command = self.validate_profile)
menubar.add_cascade(label='Profile', menu = profilemenu)
ptypemenu = Menu(profilemenu, tearoff=0, bg="grey", fg="black")
ptypemenu.add_command(label='Exhibit', command = self.new_exhibit_profile)
ptypemenu.add_command(label='Media Show', command = self.new_mediashow_profile)
ptypemenu.add_command(label='Menu', command = self.new_menu_profile)
ptypemenu.add_command(label='Presentation', command = self.new_presentation_profile)
ptypemenu.add_command(label='Interactive', command = self.new_interactive_profile)
ptypemenu.add_command(label='Live Show', command = self.new_liveshow_profile)
ptypemenu.add_command(label='RadioButton Show', command = self.new_radiobuttonshow_profile)
ptypemenu.add_command(label='Hyperlink Show', command = self.new_hyperlinkshow_profile)
ptypemenu.add_command(label='Blank', command = self.new_blank_profile)
profilemenu.add_cascade(label='New from Template', menu = ptypemenu)
showmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
showmenu.add_command(label='Delete', command = self.remove_show)
showmenu.add_command(label='Edit', command = self.m_edit_show)
showmenu.add_command(label='Copy To', command = self.copy_show)
menubar.add_cascade(label='Show', menu = showmenu)
stypemenu = Menu(showmenu, tearoff=0, bg="grey", fg="black")
stypemenu.add_command(label='Menu', command = self.add_menu)
stypemenu.add_command(label='MediaShow', command = self.add_mediashow)
stypemenu.add_command(label='LiveShow', command = self.add_liveshow)
stypemenu.add_command(label='HyperlinkShow', command = self.add_hyperlinkshow)
stypemenu.add_command(label='RadioButtonShow', command = self.add_radiobuttonshow)
showmenu.add_cascade(label='Add', menu = stypemenu)
medialistmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='MediaList', menu = medialistmenu)
medialistmenu.add_command(label='Add', command = self.add_medialist)
medialistmenu.add_command(label='Delete', command = self.remove_medialist)
trackmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
trackmenu.add_command(label='Delete', command = self.remove_track)
trackmenu.add_command(label='Edit', command = self.m_edit_track)
trackmenu.add_command(label='Add from Dir', command = self.add_tracks_from_dir)
trackmenu.add_command(label='Add from File', command = self.add_track_from_file)
menubar.add_cascade(label='Track', menu = trackmenu)
typemenu = Menu(trackmenu, tearoff=0, bg="grey", fg="black")
typemenu.add_command(label='Video', command = self.new_video_track)
typemenu.add_command(label='Audio', command = self.new_audio_track)
typemenu.add_command(label='Image', command = self.new_image_track)
typemenu.add_command(label='Web', command = self.new_web_track)
typemenu.add_command(label='Message', command = self.new_message_track)
typemenu.add_command(label='Show', command = self.new_show_track)
typemenu.add_command(label='Menu Background', command = self.new_menu_background_track)
typemenu.add_command(label='Child Show', command = self.new_child_show_track)
trackmenu.add_cascade(label='New', menu = typemenu)
toolsmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='Tools', menu = toolsmenu)
toolsmenu.add_command(label='Update All', command = self.update_all)
optionsmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='Options', menu = optionsmenu)
optionsmenu.add_command(label='Edit', command = self.edit_options)
helpmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='Help', menu = helpmenu)
helpmenu.add_command(label='Help', command = self.show_help)
helpmenu.add_command(label='About', command = self.about)
self.root.config(menu=menubar)
top_frame=Frame(self.root)
top_frame.pack(side=TOP)
bottom_frame=Frame(self.root)
bottom_frame.pack(side=TOP, fill=BOTH, expand=1)
left_frame=Frame(bottom_frame, padx=5)
left_frame.pack(side=LEFT)
middle_frame=Frame(bottom_frame,padx=5)
middle_frame.pack(side=LEFT)
right_frame=Frame(bottom_frame,padx=5,pady=10)
right_frame.pack(side=LEFT)
updown_frame=Frame(bottom_frame,padx=5)
updown_frame.pack(side=LEFT)
tracks_title_frame=Frame(right_frame)
tracks_title_frame.pack(side=TOP)
tracks_label = Label(tracks_title_frame, text="Tracks in Selected Medialist")
tracks_label.pack()
tracks_frame=Frame(right_frame)
tracks_frame.pack(side=TOP)
shows_title_frame=Frame(left_frame)
shows_title_frame.pack(side=TOP)
shows_label = Label(shows_title_frame, text="Shows")
shows_label.pack()
shows_frame=Frame(left_frame)
shows_frame.pack(side=TOP)
shows_title_frame=Frame(left_frame)
shows_title_frame.pack(side=TOP)
medialists_title_frame=Frame(left_frame)
medialists_title_frame.pack(side=TOP)
medialists_label = Label(medialists_title_frame, text="Medialists")
medialists_label.pack()
medialists_frame=Frame(left_frame)
medialists_frame.pack(side=LEFT)
# define buttons
add_button = Button(middle_frame, width = 5, height = 2, text='Edit\nShow',
fg='black', command = self.m_edit_show, bg="light grey")
add_button.pack(side=RIGHT)
add_button = Button(updown_frame, width = 5, height = 1, text='Add',
fg='black', command = self.add_track_from_file, bg="light grey")
add_button.pack(side=TOP)
add_button = Button(updown_frame, width = 5, height = 1, text='Edit',
fg='black', command = self.m_edit_track, bg="light grey")
add_button.pack(side=TOP)
add_button = Button(updown_frame, width = 5, height = 1, text='Up',
fg='black', command = self.move_track_up, bg="light grey")
add_button.pack(side=TOP)
add_button = Button(updown_frame, width = 5, height = 1, text='Down',
fg='black', command = self.move_track_down, bg="light grey")
add_button.pack(side=TOP)
# define display of showlist
scrollbar = Scrollbar(shows_frame, orient=tk.VERTICAL)
self.shows_display = Listbox(shows_frame, selectmode=SINGLE, height=7,
width = 40, bg="white",activestyle=NONE,
fg="black", yscrollcommand=scrollbar.set)
scrollbar.config(command=self.shows_display.yview)
scrollbar.pack(side=RIGHT, fill=Y)
self.shows_display.pack(side=LEFT, fill=BOTH, expand=1)
self.shows_display.bind("<ButtonRelease-1>", self.e_select_show)
# define display of medialists
scrollbar = Scrollbar(medialists_frame, orient=tk.VERTICAL)
self.medialists_display = Listbox(medialists_frame, selectmode=SINGLE, height=7,
width = 40, bg="white",activestyle=NONE,
fg="black",yscrollcommand=scrollbar.set)
scrollbar.config(command=self.medialists_display.yview)
scrollbar.pack(side=RIGHT, fill=Y)
self.medialists_display.pack(side=LEFT, fill=BOTH, expand=1)
self.medialists_display.bind("<ButtonRelease-1>", self.select_medialist)
# define display of tracks
scrollbar = Scrollbar(tracks_frame, orient=tk.VERTICAL)
self.tracks_display = Listbox(tracks_frame, selectmode=SINGLE, height=15,
width = 40, bg="white",activestyle=NONE,
fg="black",yscrollcommand=scrollbar.set)
scrollbar.config(command=self.tracks_display.yview)
scrollbar.pack(side=RIGHT, fill=Y)
self.tracks_display.pack(side=LEFT,fill=BOTH, expand=1)
self.tracks_display.bind("<ButtonRelease-1>", self.e_select_track)
# initialise editor options class
self.options=Options(self.pp_dir) #creates options file in code directory if necessary
# initialise variables
self.init()
#and enter Tkinter event loop
self.root.mainloop()
# ***************************************
# INIT AND EXIT
# ***************************************
def app_exit(self):
self.root.destroy()
exit()
def init(self):
self.options.read()
self.pp_home_dir = self.options.pp_home_dir
self.initial_media_dir = self.options.initial_media_dir
self.mon.log(self,"Data Home from options is "+self.pp_home_dir)
self.mon.log(self,"Initial Media from options is "+self.initial_media_dir)
self.current_medialist=None
self.current_showlist=None
self.current_show=None
self.shows_display.delete(0,END)
self.medialists_display.delete(0,END)
self.tracks_display.delete(0,END)
# ***************************************
# MISCELLANEOUS
# ***************************************
def edit_options(self):
"""edit the options then read them from file"""
eo = OptionsDialog(self.root, self.options.options_file,'Edit Options')
if eo.result==True: self.init()
def show_help (self):
tkMessageBox.showinfo("Help",
"Read 'manual.pdf'")
def about (self):
tkMessageBox.showinfo("About","Editor for Pi Presents Profiles\n"
+"For profile version: " + self.editor_issue + "\nAuthor: Ken Thompson"+
"\nWebsite: http://pipresents.wordpress.com/")
def validate_profile(self):
val =Validator()
val.validate_profile(self.root,self.pp_dir,self.pp_home_dir,self.pp_profile_dir,self.editor_issue,True)
# **************
# PROFILES
# **************
def open_existing_profile(self):
initial_dir=self.pp_home_dir+os.sep+"pp_profiles"
if os.path.exists(initial_dir)==False:
self.mon.err(self,"Home directory not found: " + initial_dir + "\n\nHint: Data Home option must end in pp_home")
return
dir_path=tkFileDialog.askdirectory(initialdir=initial_dir)
# dir_path="C:\Users\Ken\pp_home\pp_profiles\\ttt"
if len(dir_path)>0:
self.open_profile(dir_path)
def open_profile(self,dir_path):
showlist_file = dir_path + os.sep + "pp_showlist.json"
if os.path.exists(showlist_file)==False:
self.mon.err(self,"Not a Profile: " + dir_path + "\n\nHint: Have you opened the profile directory?")
return
self.pp_profile_dir = dir_path
self.root.title("Editor for Pi Presents - "+ self.pp_profile_dir)
if self.open_showlist(self.pp_profile_dir)==False:
self.init()
return
self.open_medialists(self.pp_profile_dir)
self.refresh_tracks_display()
def new_profile(self,profile):
d = Edit1Dialog(self.root,"New Profile","Name", "")
if d .result == None:
return
name=str(d.result)
if name=="":
tkMessageBox.showwarning("New Profile","Name is blank")
return
to = self.pp_home_dir + os.sep + "pp_profiles"+ os.sep + name
if os.path.exists(to)== True:
tkMessageBox.showwarning( "New Profile","Profile exists\n(%s)" % to )
return
shutil.copytree(profile, to, symlinks=False, ignore=None)
self.open_profile(to)
def new_exhibit_profile(self):
profile = self.pp_dir+"/pp_home/pp_profiles/ppt_exhibit"
self.new_profile(profile)
def new_interactive_profile(self):
profile = self.pp_dir+"/pp_home/pp_profiles/ppt_interactive"
self.new_profile(profile)
def new_menu_profile(self):
profile = self.pp_dir+"/pp_home/pp_profiles/ppt_menu"
self.new_profile(profile)
def new_presentation_profile(self):
profile = self.pp_dir+"/pp_home/pp_profiles/ppt_presentation"
self.new_profile(profile)
def new_blank_profile(self):
profile = self.pp_dir+"/pp_home/pp_profiles/ppt_blank"
self.new_profile(profile)
def new_mediashow_profile(self):
profile = self.pp_dir+"/pp_home/pp_profiles/ppt_mediashow"
self.new_profile(profile)
def new_liveshow_profile(self):
profile = self.pp_dir+"/pp_home/pp_profiles/ppt_liveshow"
self.new_profile(profile)
def new_radiobuttonshow_profile(self):
profile = self.pp_dir+"/pp_home/pp_profiles/ppt_radiobuttonshow"
self.new_profile(profile)
def new_hyperlinkshow_profile(self):
profile = self.pp_dir+"/pp_home/pp_profiles/ppt_hyperlinkshow"
self.new_profile(profile)
# ***************************************
# Shows
# ***************************************
def open_showlist(self,dir):
showlist_file = dir + os.sep + "pp_showlist.json"
if os.path.exists(showlist_file)==False:
self.mon.err(self,"showlist file not found at " + dir + "\n\nHint: Have you opened the profile directory?")
self.app_exit()
self.current_showlist=ShowList()
self.current_showlist.open_json(showlist_file)
if float(self.current_showlist.sissue())<float(self.editor_issue) or (self.command_options['forceupdate'] == True and float(self.current_showlist.sissue())==float(self.editor_issue)):
self.update_profile()
self.mon.err(self,"Version of profile has been updated to "+self.editor_issue+", please re-open")
return False
if float(self.current_showlist.sissue())>float(self.editor_issue):
self.mon.err(self,"Version of profile is greater than editor, must exit")
self.app_exit()
self.refresh_shows_display()
return True
def save_showlist(self,dir):
if self.current_showlist<>None:
showlist_file = dir + os.sep + "pp_showlist.json"
self.current_showlist.save_list(showlist_file)
def add_eventshow(self):
self.add_show(PPdefinitions.new_shows['eventshow'])
def add_mediashow(self):
self.add_show(PPdefinitions.new_shows['mediashow'])
def add_liveshow(self):
self.add_show(PPdefinitions.new_shows['liveshow'])
def add_radiobuttonshow(self):
self.add_show(PPdefinitions.new_shows['radiobuttonshow'])
def add_hyperlinkshow(self):
self.add_show(PPdefinitions.new_shows['hyperlinkshow'])
def add_menu(self):
self.add_show(PPdefinitions.new_shows['menu'])
def add_start(self):
self.add_show(PPdefinitions.new_shows['start'])
def add_show(self,default):
# append it to the showlist and then add the medialist
if self.current_showlist<>None:
d = Edit1Dialog(self.root,"AddShow",
"Show Reference", "")
if d.result == None:
return
name=str(d.result)
if name=="":
tkMessageBox.showwarning(
"Add Show",
"Name is blank"
)
return
if self.current_showlist.index_of_show(name)<>-1:
tkMessageBox.showwarning(
"Add Show",
"A Show with this name already exists"
)
return
copied_show=self.current_showlist.copy(default,name)
mediafile=self.add_medialist(name)
if mediafile<>'':
copied_show['medialist']=mediafile
self.current_showlist.append(copied_show)
self.save_showlist(self.pp_profile_dir)
self.refresh_shows_display()
def remove_show(self):
if self.current_showlist<>None and self.current_showlist.length()>0 and self.current_showlist.show_is_selected():
if tkMessageBox.askokcancel("Delete Show","Delete Show"):
index= self.current_showlist.selected_show_index()
self.current_showlist.remove(index)
self.save_showlist(self.pp_profile_dir)
self.refresh_shows_display()
def show_refs(self):
_show_refs=[]
for index in range(self.current_showlist.length()):
if self.current_showlist.show(index)['show-ref']<>"start":
_show_refs.append(copy.deepcopy(self.current_showlist.show(index)['show-ref']))
return _show_refs
def refresh_shows_display(self):
self.shows_display.delete(0,self.shows_display.size())
for index in range(self.current_showlist.length()):
self.shows_display.insert(END, self.current_showlist.show(index)['title']+" ["+self.current_showlist.show(index)['show-ref']+"]")
if self.current_showlist.show_is_selected():
self.shows_display.itemconfig(self.current_showlist.selected_show_index(),fg='red')
self.shows_display.see(self.current_showlist.selected_show_index())
def e_select_show(self,event):
if self.current_showlist<>None and self.current_showlist.length()>0:
mouse_item_index=int(event.widget.curselection()[0])
self.current_showlist.select(mouse_item_index)
self.refresh_shows_display()
def copy_show(self):
if self.current_showlist<>None and self.current_showlist.show_is_selected():
self.add_show(self.current_showlist.selected_show())
def m_edit_show(self):
self.edit_show(PPdefinitions.show_types,PPdefinitions.show_field_specs)
def edit_show(self,show_types,field_specs):
if self.current_showlist<>None and self.current_showlist.show_is_selected():
d=EditItem(self.root,"Edit Show",self.current_showlist.selected_show(),show_types,field_specs,self.show_refs(),
self.initial_media_dir,self.pp_home_dir,'show')
if d.result == True:
self.save_showlist(self.pp_profile_dir)
self.refresh_shows_display()
# ***************************************
# Medialists
# ***************************************
def open_medialists(self,dir):
self.medialists = []
for file in os.listdir(dir):
if file.endswith(".json") and file<>'pp_showlist.json':
self.medialists = self.medialists + [file]
self.medialists_display.delete(0,self.medialists_display.size())
for index in range (len(self.medialists)):
self.medialists_display.insert(END, self.medialists[index])
self.current_medialists_index=-1
self.current_medialist=None
def add_medialist(self,name=None):
if name==None:
d = Edit1Dialog(self.root,"Add Medialist",
"File", "")
if d.result == None:
return ''
name=str(d.result)
if name=="":
tkMessageBox.showwarning(
"Add medialist",
"Name is blank"
)
return ''
if not name.endswith(".json"):
name=name+(".json")
path = self.pp_profile_dir + os.sep + name
if os.path.exists(path)== True:
tkMessageBox.showwarning("Add medialist","Medialist file exists\n(%s)" % path)
return ''
nfile = open(path,'wb')
nfile.write("{")
nfile.write("\"issue\": \""+self.editor_issue+"\",\n")
nfile.write("\"tracks\": [")
nfile.write("]")
nfile.write("}")
nfile.close()
# append it to the list
self.medialists.append(copy.deepcopy(name))
# add title to medialists display
self.medialists_display.insert(END, name)
# and set it as the selected medialist
self.refresh_medialists_display()
return name
def remove_medialist(self):
if self.current_medialist<>None:
if tkMessageBox.askokcancel("Delete Medialist","Delete Medialist"):
os.remove(self.pp_profile_dir+ os.sep + self.medialists[self.current_medialists_index])
self.open_medialists(self.pp_profile_dir)
self.refresh_medialists_display()
self.refresh_tracks_display()
def select_medialist(self,event):
"""
user clicks on a medialst in a profile so try and select it.
"""
# needs forgiving int for possible tkinter upgrade
if len(self.medialists)>0:
self.current_medialists_index=int(event.widget.curselection()[0])
self.current_medialist=MediaList()
if not self.current_medialist.open_list(self.pp_profile_dir+ os.sep + self.medialists[self.current_medialists_index],self.current_showlist.sissue()):
self.mon.err(self,"medialist is a different version to showlist: "+ self.medialists[self.current_medialists_index])
self.app_exit()
self.refresh_tracks_display()
self.refresh_medialists_display()
def refresh_medialists_display(self):
self.medialists_display.delete(0,len(self.medialists))
for index in range (len(self.medialists)):
self.medialists_display.insert(END, self.medialists[index])
if self.current_medialist<>None:
self.medialists_display.itemconfig(self.current_medialists_index,fg='red')
self.medialists_display.see(self.current_medialists_index)
def save_medialist(self):
basefile=self.medialists[self.current_medialists_index]
#print type(basefile)
# basefile=str(basefile)
#print type(basefile)
file = self.pp_profile_dir+ os.sep + basefile
self.current_medialist.save_list(file)
# ***************************************
# Tracks
# ***************************************
def refresh_tracks_display(self):
self.tracks_display.delete(0,self.tracks_display.size())
if self.current_medialist<>None:
for index in range(self.current_medialist.length()):
if self.current_medialist.track(index)['track-ref']<>"":
track_ref_string=" ["+self.current_medialist.track(index)['track-ref']+"]"
else:
track_ref_string=""
self.tracks_display.insert(END, self.current_medialist.track(index)['title']+track_ref_string)
if self.current_medialist.track_is_selected():
self.tracks_display.itemconfig(self.current_medialist.selected_track_index(),fg='red')
self.tracks_display.see(self.current_medialist.selected_track_index())
def e_select_track(self,event):
if self.current_medialist<>None and self.current_medialist.length()>0:
mouse_item_index=int(event.widget.curselection()[0])
self.current_medialist.select(mouse_item_index)
self.refresh_tracks_display()
def m_edit_track(self):
self.edit_track(PPdefinitions.track_types,PPdefinitions.track_field_specs)
def edit_track(self,track_types,field_specs):
if self.current_medialist<>None and self.current_medialist.track_is_selected():
d=EditItem(self.root,"Edit Track",self.current_medialist.selected_track(),track_types,field_specs,self.show_refs(),
self.initial_media_dir,self.pp_home_dir,'track')
if d.result == True:
self.save_medialist()
self.refresh_tracks_display()
def move_track_up(self):
if self.current_medialist<>None and self.current_medialist.track_is_selected():
self.current_medialist.move_up()
self.refresh_tracks_display()
self.save_medialist()
def move_track_down(self):
if self.current_medialist<>None and self.current_medialist.track_is_selected():
self.current_medialist.move_down()
self.refresh_tracks_display()
self.save_medialist()
def new_track(self,fields,values):
if self.current_medialist<>None:
#print '\nfields ', fields
#print '\nvalues ', values
new_track=copy.deepcopy(fields)
#print ',\new track ',new_track
self.current_medialist.append(new_track)
#print '\nbefore values ',self.current_medialist.print_list()
if values<>None:
self.current_medialist.update(self.current_medialist.length()-1,values)
self.current_medialist.select(self.current_medialist.length()-1)
self.refresh_tracks_display()
self.save_medialist()
def new_message_track(self):
self.new_track(PPdefinitions.new_tracks['message'],None)
def new_video_track(self):
self.new_track(PPdefinitions.new_tracks['video'],None)
def new_audio_track(self):
self.new_track(PPdefinitions.new_tracks['audio'],None)
def new_web_track(self):
self.new_track(PPdefinitions.new_tracks['web'],None)
def new_image_track(self):
self.new_track(PPdefinitions.new_tracks['image'],None)
def new_show_track(self):
self.new_track(PPdefinitions.new_tracks['show'],None)
def new_menu_background_track(self):
self.new_track(PPdefinitions.new_tracks['menu-background'],None)
def new_child_show_track(self):
self.new_track(PPdefinitions.new_tracks['child-show'],None)
def remove_track(self):
if self.current_medialist<>None and self.current_medialist.length()>0 and self.current_medialist.track_is_selected():
if tkMessageBox.askokcancel("Delete Track","Delete Track"):
index= self.current_medialist.selected_track_index()
self.current_medialist.remove(index)
self.save_medialist()
self.refresh_tracks_display()
def add_track_from_file(self):
if self.current_medialist==None: return
# print "initial directory ", self.options.initial_media_dir
files_path=tkFileDialog.askopenfilename(initialdir=self.options.initial_media_dir, multiple=True)
# fix for tkinter bug
files_path = self.root.tk.splitlist(files_path)
for file_path in files_path:
file_path=os.path.normpath(file_path)
# print "file path ", file_path
self.add_track(file_path)
self.save_medialist()
def add_tracks_from_dir(self):
if self.current_medialist==None: return
image_specs =[
PPdefinitions.IMAGE_FILES,
PPdefinitions.VIDEO_FILES,
PPdefinitions.AUDIO_FILES,
PPdefinitions.WEB_FILES,
('All files', '*')] #last one is ignored in finding files
# in directory, for dialog box only
directory=tkFileDialog.askdirectory(initialdir=self.options.initial_media_dir)
# deal with tuple returned on Cancel
if len(directory)==0: return
# make list of exts we recognise
exts = []
for image_spec in image_specs[:-1]:
image_list=image_spec[1:]
for ext in image_list:
exts.append(copy.deepcopy(ext))
for file in os.listdir(directory):
(root_file,ext_file)= os.path.splitext(file)
if ext_file.lower() in exts:
file_path=directory+os.sep+file
#print "file path before ", file_path
file_path=os.path.normpath(file_path)
#print "file path after ", file_path
self.add_track(file_path)
self.save_medialist()
def add_track(self,afile):
relpath = os.path.relpath(afile,self.pp_home_dir)
#print "relative path ",relpath
common = os.path.commonprefix([afile,self.pp_home_dir])
#print "common ",common
if common.endswith("pp_home") == False:
location = afile
else:
location = "+" + os.sep + relpath
location = string.replace(location,'\\','/')
#print "location ",location
(root,title)=os.path.split(afile)
(root,ext)= os.path.splitext(afile)
if ext.lower() in PPdefinitions.IMAGE_FILES:
self.new_track(PPdefinitions.new_tracks['image'],{'title':title,'track-ref':'','location':location})
elif ext.lower() in PPdefinitions.VIDEO_FILES:
self.new_track(PPdefinitions.new_tracks['video'],{'title':title,'track-ref':'','location':location})
elif ext.lower() in PPdefinitions.AUDIO_FILES:
self.new_track(PPdefinitions.new_tracks['audio'],{'title':title,'track-ref':'','location':location})
elif ext.lower() in PPdefinitions.WEB_FILES:
self.new_track(PPdefinitions.new_tracks['web'],{'title':title,'track-ref':'','location':location})
else:
self.mon.err(self,afile + " - file extension not recognised")
# *********************************************
# update profile
# **********************************************
def update_all(self):
self.init()
for profile_file in os.listdir(self.pp_home_dir+os.sep+'pp_profiles'):
# self.mon.log (self,"Updating "+profile_file)
self.pp_profile_dir = self.pp_home_dir+os.sep+'pp_profiles'+ os.sep + profile_file
if not os.path.exists(self.pp_profile_dir+os.sep+"pp_showlist.json"):
tkMessageBox.showwarning("Pi Presents","Not a profile, skipping "+self.pp_profile_dir)
else:
self.current_showlist=ShowList()
#self.mon.log (self,"Checking version "+profile_file)
self.current_showlist.open_json(self.pp_profile_dir+os.sep+"pp_showlist.json")
if float(self.current_showlist.sissue())<float(self.editor_issue):
self.mon.log(self,"Version of profile "+profile_file+ " is being updated to "+self.editor_issue)
self.update_profile()
elif (self.command_options['forceupdate'] == True and float(self.current_showlist.sissue())==float(self.editor_issue)):
self.mon.log(self, "Forced updating of " + profile_file + ' to '+self.editor_issue)
self.update_profile()
elif float(self.current_showlist.sissue())>float(self.editor_issue):
tkMessageBox.showwarning("Pi Presents", "Version of profile " +profile_file+ " is greater than editor, skipping")
else:
self.mon.log(self," Profile " + profile_file + " Already up to date ")
self.init()
tkMessageBox.showwarning("Pi Presents","All profiles updated")
def update_profile(self):
#open showlist and update its shows
# self.mon.log (self,"Updating show ")
ifile = open(self.pp_profile_dir + os.sep + "pp_showlist.json", 'rb')
shows = json.load(ifile)['shows']
ifile.close()
replacement_shows=self.update_shows(shows)
dic={'issue':self.editor_issue,'shows':replacement_shows}
ofile = open(self.pp_profile_dir + os.sep + "pp_showlist.json", "wb")
json.dump(dic,ofile,sort_keys=True,indent=1)
# UPDATE MEDIALISTS AND THEIR TRACKS
for file in os.listdir(self.pp_profile_dir):
if file.endswith(".json") and file<>'pp_showlist.json':
# self.mon.log (self,"Updating medialist " + file)
#open a medialist and update its tracks
ifile = open(self.pp_profile_dir + os.sep + file, 'rb')
tracks = json.load(ifile)['tracks']
ifile.close()
replacement_tracks=self.update_tracks(tracks)
dic={'issue':self.editor_issue,'tracks':replacement_tracks}
ofile = open(self.pp_profile_dir + os.sep + file, "wb")
json.dump(dic,ofile,sort_keys=True,indent=1)
def update_tracks(self,old_tracks):
# get correct spec from type of field
replacement_tracks=[]
for old_track in old_tracks:
#print '\nold track ',old_track
track_type=old_track['type']
spec_fields=PPdefinitions.new_tracks[track_type]
left_overs=dict()
# go through track and delete fields not in spec
for key in old_track.keys():
if key in spec_fields:
left_overs[key]=old_track[key]
#print '\n leftovers',left_overs
replacement_track=copy.deepcopy(PPdefinitions.new_tracks[track_type])
#print '\n before update', replacement_track
replacement_track.update(left_overs)
#print '\nafter update',replacement_track
replacement_tracks.append(copy.deepcopy(replacement_track))
return replacement_tracks
def update_shows(self,old_shows):
# get correct spec from type of field
replacement_shows=[]
for old_show in old_shows:
show_type=old_show['type']
spec_fields=PPdefinitions.new_shows[show_type]
left_overs=dict()
# go through track and delete fields not in spec
for key in old_show.keys():
if key in spec_fields:
left_overs[key]=old_show[key]
# print '\n leftovers',left_overs
replacement_show=copy.deepcopy(PPdefinitions.new_shows[show_type])
replacement_show.update(left_overs)
replacement_shows.append(copy.deepcopy(replacement_show))
return replacement_shows
class PiPresents(object):
def pipresents_version(self):
vitems=self.pipresents_issue.split('.')
if len(vitems)==2:
# cope with 2 digit version numbers before 1.3.2
return 1000*int(vitems[0])+100*int(vitems[1])
else:
return 1000*int(vitems[0])+100*int(vitems[1])+int(vitems[2])
def __init__(self):
gc.set_debug(gc.DEBUG_UNCOLLECTABLE|gc.DEBUG_INSTANCES|gc.DEBUG_OBJECTS|gc.DEBUG_SAVEALL)
self.pipresents_issue="1.3.2"
self.pipresents_minorissue = '1.3.2a'
# position and size of window without -f command line option
self.nonfull_window_width = 0.45 # proportion of width
self.nonfull_window_height= 0.7 # proportion of height
self.nonfull_window_x = 0 # position of top left corner
self.nonfull_window_y=0 # position of top left corner
StopWatch.global_enable=False
# set up the handler for SIGTERM
signal.signal(signal.SIGTERM,self.handle_sigterm)
# ****************************************
# Initialisation
# ***************************************
# get command line options
self.options=command_options()
# get Pi Presents code directory
pp_dir=sys.path[0]
self.pp_dir=pp_dir
if not os.path.exists(pp_dir+"/pipresents.py"):
if self.options['manager'] is False:
tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
exit(102)
# Initialise logging and tracing
Monitor.log_path=pp_dir
self.mon=Monitor()
# Init in PiPresents only
self.mon.init()
# uncomment to enable control of logging from within a class
# Monitor.enable_in_code = True # enables control of log level in the code for a class - self.mon.set_log_level()
# make a shorter list to log/trace only some classes without using enable_in_code.
Monitor.classes = ['PiPresents',
'HyperlinkShow','RadioButtonShow','ArtLiveShow','ArtMediaShow','MediaShow','LiveShow','MenuShow',
'GapShow','Show','ArtShow',
'AudioPlayer','BrowserPlayer','ImagePlayer','MenuPlayer','MessagePlayer','VideoPlayer','Player',
'MediaList','LiveList','ShowList',
'PathManager','ControlsManager','ShowManager','PluginManager',
'MplayerDriver','OMXDriver','UZBLDriver',
'KbdDriver','GPIODriver','TimeOfDay','ScreenDriver','Animate','OSCDriver',
'Network','Mailer'
]
# Monitor.classes=['PiPresents','MediaShow','GapShow','Show','VideoPlayer','Player','OMXDriver']
# get global log level from command line
Monitor.log_level = int(self.options['debug'])
Monitor.manager = self.options['manager']
# print self.options['manager']
self.mon.newline(3)
self.mon.sched (self, "Pi Presents is starting, Version:"+self.pipresents_minorissue + ' at '+time.strftime("%Y-%m-%d %H:%M.%S"))
self.mon.log (self, "Pi Presents is starting, Version:"+self.pipresents_minorissue+ ' at '+time.strftime("%Y-%m-%d %H:%M.%S"))
# self.mon.log (self," OS and separator:" + os.name +' ' + os.sep)
self.mon.log(self,"sys.path[0] - location of code: "+sys.path[0])
# log versions of Raspbian and omxplayer, and GPU Memory
with open("/boot/issue.txt") as file:
self.mon.log(self,'\nRaspbian: '+file.read())
self.mon.log(self,'\n'+check_output(["omxplayer", "-v"]))
self.mon.log(self,'\nGPU Memory: '+check_output(["vcgencmd", "get_mem", "gpu"]))
if "DESKTOP_SESSION" not in os.environ:
print 'Pi Presents must be run from the Desktop'
self.mon.log(self,'Pi Presents must be run from the Desktop')
self.mon.finish()
sys.exit(102)
else:
self.mon.log(self,'Desktop is '+ os.environ['DESKTOP_SESSION'])
# optional other classes used
self.root=None
self.ppio=None
self.tod=None
self.animate=None
self.gpiodriver=None
self.oscdriver=None
self.osc_enabled=False
self.gpio_enabled=False
self.tod_enabled=False
self.email_enabled=False
if os.geteuid() == 0:
self.mon.err(self,'Do not run Pi Presents with sudo')
self.end('error','Do not run Pi Presents with sudo')
user=os.getenv('USER')
self.mon.log(self,'User is: '+ user)
# self.mon.log(self,"os.getenv('HOME') - user home directory (not used): " + os.getenv('HOME')) # does not work
# self.mon.log(self,"os.path.expanduser('~') - user home directory: " + os.path.expanduser('~')) # does not work
# check network is available
self.network_connected=False
self.network_details=False
self.interface=''
self.ip=''
self.unit=''
# sets self.network_connected and self.network_details
self.init_network()
# start the mailer and send email when PP starts
self.email_enabled=False
if self.network_connected is True:
self.init_mailer()
if self.email_enabled is True and self.mailer.email_at_start is True:
subject= '[Pi Presents] ' + self.unit + ': PP Started on ' + time.strftime("%Y-%m-%d %H:%M")
message = time.strftime("%Y-%m-%d %H:%M") + '\nUnit: ' + self.unit + ' Profile: '+ self.options['profile']+ '\n ' + self.interface + '\n ' + self.ip
self.send_email('start',subject,message)
# get profile path from -p option
if self.options['profile'] != '':
self.pp_profile_path="/pp_profiles/"+self.options['profile']
else:
self.mon.err(self,"Profile not specified in command ")
self.end('error','Profile not specified with the commands -p option')
# get directory containing pp_home from the command,
if self.options['home'] == "":
home = os.sep+ 'home' + os.sep + user + os.sep+"pp_home"
else:
home = self.options['home'] + os.sep+ "pp_home"
self.mon.log(self,"pp_home directory is: " + home)
# check if pp_home exists.
# try for 10 seconds to allow usb stick to automount
found=False
for i in range (1, 10):
self.mon.log(self,"Trying pp_home at: " + home + " (" + str(i)+')')
if os.path.exists(home):
found=True
self.pp_home=home
break
time.sleep (1)
if found is True:
self.mon.log(self,"Found Requested Home Directory, using pp_home at: " + home)
else:
self.mon.err(self,"Failed to find pp_home directory at " + home)
self.end('error',"Failed to find pp_home directory at " + home)
# check profile exists
self.pp_profile=self.pp_home+self.pp_profile_path
if os.path.exists(self.pp_profile):
self.mon.sched(self,"Running profile: " + self.pp_profile_path)
self.mon.log(self,"Found Requested profile - pp_profile directory is: " + self.pp_profile)
else:
self.mon.err(self,"Failed to find requested profile: "+ self.pp_profile)
self.end('error',"Failed to find requested profile: "+ self.pp_profile)
self.mon.start_stats(self.options['profile'])
if self.options['verify'] is True:
val =Validator()
if val.validate_profile(None,pp_dir,self.pp_home,self.pp_profile,self.pipresents_issue,False) is False:
self.mon.err(self,"Validation Failed")
self.end('error','Validation Failed')
# initialise and read the showlist in the profile
self.showlist=ShowList()
self.showlist_file= self.pp_profile+ "/pp_showlist.json"
if os.path.exists(self.showlist_file):
self.showlist.open_json(self.showlist_file)
else:
self.mon.err(self,"showlist not found at "+self.showlist_file)
self.end('error',"showlist not found at "+self.showlist_file)
# check profile and Pi Presents issues are compatible
if self.showlist.profile_version() != self.pipresents_version():
self.mon.err(self,"Version of showlist " + self.showlist.profile_version_string + " is not same as Pi Presents")
self.end('error',"Version of showlist " + self.showlist.profile_version_string + " is not same as Pi Presents")
# get the 'start' show from the showlist
index = self.showlist.index_of_show('start')
if index >=0:
self.showlist.select(index)
self.starter_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show [start] not found in showlist")
self.end('error',"Show [start] not found in showlist")
# ********************
# SET UP THE GUI
# ********************
# turn off the screenblanking and saver
if self.options['noblank'] is True:
call(["xset","s", "off"])
call(["xset","s", "-dpms"])
self.root=Tk()
self.title='Pi Presents - '+ self.pp_profile
self.icon_text= 'Pi Presents'
self.root.title(self.title)
self.root.iconname(self.icon_text)
self.root.config(bg=self.starter_show['background-colour'])
self.mon.log(self, 'monitor screen dimensions are ' + str(self.root.winfo_screenwidth()) + ' x ' + str(self.root.winfo_screenheight()) + ' pixels')
if self.options['screensize'] =='':
self.screen_width = self.root.winfo_screenwidth()
self.screen_height = self.root.winfo_screenheight()
else:
reason,message,self.screen_width,self.screen_height=self.parse_screen(self.options['screensize'])
if reason =='error':
self.mon.err(self,message)
self.end('error',message)
self.mon.log(self, 'forced screen dimensions (--screensize) are ' + str(self.screen_width) + ' x ' + str(self.screen_height) + ' pixels')
# set window dimensions and decorations
if self.options['fullscreen'] is False:
self.window_width=int(self.root.winfo_screenwidth()*self.nonfull_window_width)
self.window_height=int(self.root.winfo_screenheight()*self.nonfull_window_height)
self.window_x=self.nonfull_window_x
self.window_y=self.nonfull_window_y
self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
else:
self.window_width=self.screen_width
self.window_height=self.screen_height
self.root.attributes('-fullscreen', True)
os.system('unclutter &')
self.window_x=0
self.window_y=0
self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
self.root.attributes('-zoomed','1')
# canvas cover the whole screen whatever the size of the window.
self.canvas_height=self.screen_height
self.canvas_width=self.screen_width
# make sure focus is set.
self.root.focus_set()
# define response to main window closing.
self.root.protocol ("WM_DELETE_WINDOW", self.handle_user_abort)
# setup a canvas onto which will be drawn the images or text
self.canvas = Canvas(self.root, bg=self.starter_show['background-colour'])
if self.options['fullscreen'] is True:
self.canvas.config(height=self.canvas_height,
width=self.canvas_width,
highlightthickness=0)
else:
self.canvas.config(height=self.canvas_height,
width=self.canvas_width,
highlightthickness=1,
highlightcolor='yellow')
self.canvas.place(x=0,y=0)
# self.canvas.config(bg='black')
self.canvas.focus_set()
# ****************************************
# INITIALISE THE INPUT DRIVERS
# ****************************************
# each driver takes a set of inputs, binds them to symboic names
# and sets up a callback which returns the symbolic name when an input event occurs/
# use keyboard driver to bind keys to symbolic names and to set up callback
kbd=KbdDriver()
if kbd.read(pp_dir,self.pp_home,self.pp_profile) is False:
self.end('error','cannot find, or error in keys.cfg')
kbd.bind_keys(self.root,self.handle_input_event)
self.sr=ScreenDriver()
# read the screen click area config file
reason,message = self.sr.read(pp_dir,self.pp_home,self.pp_profile)
if reason == 'error':
self.end('error','cannot find, or error in screen.cfg')
# create click areas on the canvas, must be polygon as outline rectangles are not filled as far as find_closest goes
# click areas are made on the Pi Presents canvas not the show canvases.
reason,message = self.sr.make_click_areas(self.canvas,self.handle_input_event)
if reason == 'error':
self.mon.err(self,message)
self.end('error',message)
# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
self.shutdown_required=False
self.terminate_required=False
self.exitpipresents_required=False
# delete omxplayer dbus files
# if os.path.exists("/tmp/omxplayerdbus.{}".format(user)):
# os.remove("/tmp/omxplayerdbus.{}".format(user))
# if os.path.exists("/tmp/omxplayerdbus.{}.pid".format(user)):
# os.remove("/tmp/omxplayerdbus.{}.pid".format(user))
# kick off GPIO if enabled by command line option
self.gpio_enabled=False
if os.path.exists(self.pp_profile + os.sep + 'pp_io_config'+os.sep+ 'gpio.cfg'):
# initialise the GPIO
self.gpiodriver=GPIODriver()
reason,message=self.gpiodriver.init(pp_dir,self.pp_home,self.pp_profile,self.canvas,50,self.handle_input_event)
if reason == 'error':
self.end('error',message)
else:
self.gpio_enabled=True
# and start polling gpio
self.gpiodriver.poll()
# kick off animation sequencer
self.animate = Animate()
self.animate.init(pp_dir,self.pp_home,self.pp_profile,self.canvas,200,self.handle_output_event)
self.animate.poll()
#create a showmanager ready for time of day scheduler and osc server
show_id=-1
self.show_manager=ShowManager(show_id,self.showlist,self.starter_show,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
# first time through set callback to terminate Pi Presents if all shows have ended.
self.show_manager.init(self.canvas,self.all_shows_ended_callback,self.handle_command,self.showlist)
# Register all the shows in the showlist
reason,message=self.show_manager.register_shows()
if reason == 'error':
self.mon.err(self,message)
self.end('error',message)
# Init OSCDriver, read config and start OSC server
self.osc_enabled=False
if self.network_connected is True:
if os.path.exists(self.pp_profile + os.sep + 'pp_io_config'+ os.sep + 'osc.cfg'):
self.oscdriver=OSCDriver()
reason,message=self.oscdriver.init(self.pp_profile,self.handle_command,self.handle_input_event,self.e_osc_handle_output_event)
if reason == 'error':
self.mon.err(self,message)
self.end('error',message)
else:
self.osc_enabled=True
self.root.after(1000,self.oscdriver.start_server())
# enable ToD scheduler if schedule exists
if os.path.exists(self.pp_profile + os.sep + 'schedule.json'):
self.tod_enabled = True
else:
self.tod_enabled=False
# warn if the network not available when ToD required
if self.tod_enabled is True and self.network_connected is False:
self.mon.warn(self,'Network not connected so Time of Day scheduler may be using the internal clock')
# warn about start shows and scheduler
if self.starter_show['start-show']=='' and self.tod_enabled is False:
self.mon.sched(self,"No Start Shows in Start Show and no shows scheduled")
self.mon.warn(self,"No Start Shows in Start Show and no shows scheduled")
if self.starter_show['start-show'] !='' and self.tod_enabled is True:
self.mon.sched(self,"Start Shows in Start Show and shows scheduled - conflict?")
self.mon.warn(self,"Start Shows in Start Show and shows scheduled - conflict?")
# run the start shows
self.run_start_shows()
# kick off the time of day scheduler which may run additional shows
if self.tod_enabled is True:
self.tod=TimeOfDay()
self.tod.init(pp_dir,self.pp_home,self.pp_profile,self.root,self.handle_command)
self.tod.poll()
# start Tkinters event loop
self.root.mainloop( )
def parse_screen(self,size_text):
fields=size_text.split('*')
if len(fields)!=2:
return 'error','do not understand --screensize comand option',0,0
elif fields[0].isdigit() is False or fields[1].isdigit() is False:
return 'error','dimensions are not positive integers in --screensize',0,0
else:
return 'normal','',int(fields[0]),int(fields[1])
# *********************
# RUN START SHOWS
# ********************
def run_start_shows(self):
self.mon.trace(self,'run start shows')
# parse the start shows field and start the initial shows
show_refs=self.starter_show['start-show'].split()
for show_ref in show_refs:
reason,message=self.show_manager.control_a_show(show_ref,'open')
if reason == 'error':
self.mon.err(self,message)
# *********************
# User inputs
# ********************
# handles one command provided as a line of text
def handle_command(self,command_text,source='',show=''):
# print 'PIPRESENTS ',command_text,source,'from',show
self.mon.log(self,"command received: " + command_text)
if command_text.strip()=="":
return
if command_text[0]=='/':
if self.osc_enabled is True:
self.oscdriver.send_command(command_text)
return
fields= command_text.split()
show_command=fields[0]
if len(fields)>1:
show_ref=fields[1]
else:
show_ref=''
if show_command in ('open','close'):
self.mon.sched(self, command_text + ' received from show:'+show)
if self.shutdown_required is False and self.terminate_required is False:
reason,message=self.show_manager.control_a_show(show_ref,show_command)
else:
return
elif show_command =='monitor':
self.handle_monitor_command(show_ref)
return
elif show_command == 'event':
self.handle_input_event(show_ref,'Show Control')
return
elif show_command == 'exitpipresents':
self.exitpipresents_required=True
if self.show_manager.all_shows_exited() is True:
# need root.after to get out of st thread
self.root.after(1,self.e_all_shows_ended_callback)
return
else:
reason,message= self.show_manager.exit_all_shows()
elif show_command == 'shutdownnow':
# need root.after to get out of st thread
self.root.after(1,self.e_shutdown_pressed)
return
else:
reason='error'
message = 'command not recognised: '+ show_command
if reason=='error':
self.mon.err(self,message)
return
def handle_monitor_command(self,command):
if command == 'on':
os.system('vcgencmd display_power 1 >/dev/null')
elif command == 'off':
os.system('vcgencmd display_power 0 >/dev/null')
def e_all_shows_ended_callback(self):
self.all_shows_ended_callback('normal','no shows running')
def e_shutdown_pressed(self):
self.shutdown_pressed('now')
def e_osc_handle_output_event(self,line):
#jump out of server thread
self.root.after(1, lambda arg=line: self.osc_handle_output_event(arg))
def osc_handle_output_event(self,line):
self.mon.log(self,"output event received: "+ line)
#osc sends output events as a string
reason,message,delay,name,param_type,param_values=self.animate.parse_animate_fields(line)
if reason == 'error':
self.mon.err(self,message)
self.end(reason,message)
self.handle_output_event(name,param_type,param_values,0)
def handle_output_event(self,symbol,param_type,param_values,req_time):
if self.gpio_enabled is True:
reason,message=self.gpiodriver.handle_output_event(symbol,param_type,param_values,req_time)
if reason =='error':
self.mon.err(self,message)
self.end(reason,message)
else:
self.mon.warn(self,'GPIO not enabled')
# all input events call this callback with a symbolic name.
# handle events that affect PP overall, otherwise pass to all active shows
def handle_input_event(self,symbol,source):
self.mon.log(self,"event received: "+symbol + ' from '+ source)
if symbol == 'pp-terminate':
self.handle_user_abort()
elif symbol == 'pp-shutdown':
self.shutdown_pressed('delay')
elif symbol == 'pp-shutdownnow':
# need root.after to grt out of st thread
self.root.after(1,self.e_shutdown_pressed)
return
elif symbol == 'pp-exitpipresents':
self.exitpipresents_required=True
if self.show_manager.all_shows_exited() is True:
# need root.after to grt out of st thread
self.root.after(1,self.e_all_shows_ended_callback)
return
reason,message= self.show_manager.exit_all_shows()
else:
# events for shows affect the show and could cause it to exit.
for show in self.show_manager.shows:
show_obj=show[ShowManager.SHOW_OBJ]
if show_obj is not None:
show_obj.handle_input_event(symbol)
def shutdown_pressed(self, when):
if when == 'delay':
self.root.after(5000,self.on_shutdown_delay)
else:
self.shutdown_required=True
if self.show_manager.all_shows_exited() is True:
self.all_shows_ended_callback('normal','no shows running')
else:
# calls exit method of all shows, results in all_shows_closed_callback
self.show_manager.exit_all_shows()
def on_shutdown_delay(self):
# 5 second delay is up, if shutdown button still pressed then shutdown
if self.gpiodriver.shutdown_pressed() is True:
self.shutdown_required=True
if self.show_manager.all_shows_exited() is True:
self.all_shows_ended_callback('normal','no shows running')
else:
# calls exit method of all shows, results in all_shows_closed_callback
self.show_manager.exit_all_shows()
def handle_sigterm(self,signum,frame):
self.mon.log(self,'SIGTERM received - '+ str(signum))
self.terminate()
def handle_user_abort(self):
self.mon.log(self,'User abort received')
self.terminate()
def terminate(self):
self.mon.log(self, "terminate received")
self.terminate_required=True
needs_termination=False
for show in self.show_manager.shows:
# print show[ShowManager.SHOW_OBJ], show[ShowManager.SHOW_REF]
if show[ShowManager.SHOW_OBJ] is not None:
needs_termination=True
self.mon.log(self,"Sent terminate to show "+ show[ShowManager.SHOW_REF])
# call shows terminate method
# eventually the show will exit and after all shows have exited all_shows_callback will be executed.
show[ShowManager.SHOW_OBJ].terminate()
if needs_termination is False:
self.end('killed','killed - no termination of shows required')
# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************
# callback from ShowManager when all shows have ended
def all_shows_ended_callback(self,reason,message):
self.canvas.config(bg=self.starter_show['background-colour'])
if reason in ('killed','error') or self.shutdown_required is True or self.exitpipresents_required is True:
self.end(reason,message)
def end(self,reason,message):
self.mon.log(self,"Pi Presents ending with reason: " + reason)
if self.root is not None:
self.root.destroy()
self.tidy_up()
# gc.collect()
# print gc.garbage
if reason == 'killed':
if self.email_enabled is True and self.mailer.email_on_terminate is True:
subject= '[Pi Presents] ' + self.unit + ': PP Exited with reason: Terminated'
message = time.strftime("%Y-%m-%d %H:%M") + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip
self.send_email(reason,subject,message)
self.mon.sched(self, "Pi Presents Terminated, au revoir\n")
self.mon.log(self, "Pi Presents Terminated, au revoir")
# close logging files
self.mon.finish()
sys.exit(101)
elif reason == 'error':
if self.email_enabled is True and self.mailer.email_on_error is True:
subject= '[Pi Presents] ' + self.unit + ': PP Exited with reason: Error'
message_text = 'Error message: '+ message + '\n'+ time.strftime("%Y-%m-%d %H:%M") + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip
self.send_email(reason,subject,message_text)
self.mon.sched(self, "Pi Presents closing because of error, sorry\n")
self.mon.log(self, "Pi Presents closing because of error, sorry")
# close logging files
self.mon.finish()
sys.exit(102)
else:
self.mon.sched(self,"Pi Presents exiting normally, bye\n")
self.mon.log(self,"Pi Presents exiting normally, bye")
# close logging files
self.mon.finish()
if self.shutdown_required is True:
# print 'SHUTDOWN'
call (['sudo','shutdown','now','SHUTTING DOWN'])
sys.exit(100)
def init_network(self):
timeout=int(self.options['nonetwork'])
if timeout== 0:
self.network_connected=False
self.unit=''
self.ip=''
self.interface=''
return
self.network=Network()
self.network_connected=False
# try to connect to network
self.mon.log (self, 'Waiting up to '+ str(timeout) + ' seconds for network')
success=self.network.wait_for_network(timeout)
if success is False:
self.mon.warn(self,'Failed to connect to network after ' + str(timeout) + ' seconds')
# tkMessageBox.showwarning("Pi Presents","Failed to connect to network so using fake-hwclock")
return
self.network_connected=True
self.mon.sched (self, 'Time after network check is '+ time.strftime("%Y-%m-%d %H:%M.%S"))
self.mon.log (self, 'Time after network check is '+ time.strftime("%Y-%m-%d %H:%M.%S"))
# Get web configuration
self.network_details=False
network_options_file_path=self.pp_dir+os.sep+'pp_config'+os.sep+'pp_web.cfg'
if not os.path.exists(network_options_file_path):
self.mon.warn(self,"pp_web.cfg not found at "+network_options_file_path)
return
self.mon.log(self, 'Found pp_web.cfg in ' + network_options_file_path)
self.network.read_config(network_options_file_path)
self.unit=self.network.unit
# get interface and IP details of preferred interface
self.interface,self.ip = self.network.get_preferred_ip()
if self.interface == '':
self.network_connected=False
return
self.network_details=True
self.mon.log (self, 'Network details ' + self.unit + ' ' + self.interface + ' ' +self.ip)
def init_mailer(self):
self.email_enabled=False
email_file_path = self.pp_dir+os.sep+'pp_config'+os.sep+'pp_email.cfg'
if not os.path.exists(email_file_path):
self.mon.log(self,'pp_email.cfg not found at ' + email_file_path)
return
self.mon.log(self,'Found pp_email.cfg at ' + email_file_path)
self.mailer=Mailer()
self.mailer.read_config(email_file_path)
# all Ok so can enable email if config file allows it.
if self.mailer.email_allowed is True:
self.email_enabled=True
self.mon.log (self,'Email Enabled')
def send_email(self,reason,subject,message):
if self.try_connect() is False:
return False
else:
success,error = self.mailer.send(subject,message)
if success is False:
self.mon.log(self, 'Failed to send email: ' + str(error))
success,error=self.mailer.disconnect()
if success is False:
self.mon.log(self,'Failed disconnect after send:' + str(error))
return False
else:
self.mon.log(self,'Sent email for ' + reason)
success,error=self.mailer.disconnect()
if success is False:
self.mon.log(self,'Failed disconnect from email server ' + str(error))
return True
def try_connect(self):
tries=1
while True:
success, error = self.mailer.connect()
if success is True:
return True
else:
self.mon.log(self,'Failed to connect to email SMTP server ' + str(tries) + '\n ' +str(error))
tries +=1
if tries >5:
self.mon.log(self,'Failed to connect to email SMTP server after ' + str(tries))
return False
# tidy up all the peripheral bits of Pi Presents
def tidy_up(self):
self.handle_monitor_command('on')
self.mon.log(self, "Tidying Up")
# turn screen blanking back on
if self.options['noblank'] is True:
call(["xset","s", "on"])
call(["xset","s", "+dpms"])
# tidy up animation and gpio
if self.animate is not None:
self.animate.terminate()
if self.gpio_enabled==True:
self.gpiodriver.terminate()
if self.osc_enabled is True:
self.oscdriver.terminate()
# tidy up time of day scheduler
if self.tod_enabled is True:
self.tod.terminate()
class MediaShow:
# *******************
# External interface
# ********************
def __init__(self,
show,
canvas,
showlist,
pp_home,
pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the dictionary fo the show to be played
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show =show
self.showlist=showlist
self.canvas=canvas
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
# Init variables
self.player=None
self.shower=None
self._poll_for_interval_timer=None
self._poll_for_continue_timer=None
self._waiting_for_interval=False
self._interval_timer=None
self.error=False
self._interval_timer_signal=False
self._end_mediashow_signal=False
self._next_track_signal=False
self._previous_track_signal=False
self._play_child_signal = False
self._req_next='nil'
self._state='closed'
def play(self,end_callback,ready_callback=None, top=False,command='nil'):
""" displays the mediashow
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate the arguments
self._end_callback=end_callback
self._ready_callback=ready_callback
self.top=top
self.command=command
self.mon.log(self,"Starting show: " + self.show['show-ref'])
# check data files are available.
self.media_file = self.pp_profile + "/" + self.show['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self,"Medialist file not found: "+ self.media_file)
self._end('error',"Medialist file not found")
#create a medialist for the mediashow and read it.
self.medialist=MediaList()
if self.medialist.open_list(self.media_file,self.showlist.sissue())==False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self._end('error',"Version of medialist different to Pi Presents")
self._wait_for_trigger()
# respond to key presses.
def key_pressed(self,key_name):
self.mon.log(self,"received key: " + key_name)
if key_name=='':
pass
elif key_name=='escape':
# if next lower show is running pass down to stop the show and lower level
if self.shower<>None:
self.shower.key_pressed(key_name)
# if not at top stop the show
else:
if self.top == False:
self._end_mediashow_signal=True
# and if a track is running stop that first
if self.player<>None:
self.player.key_pressed(key_name)
else:
# at top level in a manual presentation stop the track
if self.show['progress']=='manual':
if self.player<>None:
self.player.key_pressed(key_name)
elif key_name in ('up','down'):
# if child or sub-show is running and is a show pass to show, track does not use up/down
# otherwise use keys for next or previous
if self.shower<>None:
self.shower.key_pressed(key_name)
else:
if key_name=='up':
self._previous()
else:
self._next()
elif key_name=='return':
# if child show or sub-show is running and is show - pass down- player does not use return
# ELSE use Return to start child or to start the show if waiting
if self.shower<>None:
self.shower.key_pressed(key_name)
else:
if self._state=='playing':
if self.show['has-child']=='yes':
self._play_child_signal=True
# and stop the current track if its running
if self.player<>None:
self.player.key_pressed("escape")
else:
self._start_show()
elif key_name=='pir':
self._start_show()
elif key_name in ('p',' '):
# pass down if show or track running.
if self.shower<>None:
self.shower.key_pressed(key_name)
elif self.player<>None:
self.player.key_pressed(key_name)
def button_pressed(self,button,edge):
if button=='play': self.key_pressed("return")
elif button =='up': self.key_pressed("up")
elif button=='down': self.key_pressed("down")
elif button=='stop': self.key_pressed("escape")
elif button=='pause': self.key_pressed('p')
elif button=='PIR': self.key_pressed('pir')
# kill or error
def terminate(self,reason):
if self.shower<>None:
self.mon.log(self,"sent terminate to shower")
self.shower.terminate(reason)
elif self.player<>None:
self.mon.log(self,"sent terminate to player")
self.player.terminate(reason)
else:
self._end(reason,'terminated without terminating shower or player')
def _tidy_up(self):
if self._poll_for_continue_timer<>None:
self.canvas.after_cancel(self._poll_for_continue_timer)
self._poll_for_continue_timer=None
if self._poll_for_interval_timer<>None:
self.canvas.after_cancel(self._poll_for_interval_timer)
self._poll_for_interval_timer=None
if self._interval_timer<>None:
self.canvas.after_cancel(self._interval_timer)
self._interval_timer=None
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
self.terminate("error")
else:
return value
# ***************************
# Respond to key/button presses
# ***************************
def _stop(self,message):
self._end_mediashow_signal=True
if self._interval_timer<>None:
self.canvas.after_cancel(self._interval_timer)
def _next(self):
# stop track if running and set signal
self._next_track_signal=True
if self.shower<>None:
self.shower.key_pressed("escape")
else:
if self.player<>None:
self.player.key_pressed("escape")
def _previous(self):
self._previous_track_signal=True
if self.shower<>None:
self.shower.key_pressed("escape")
else:
if self.player<>None:
self.player.key_pressed("escape")
# ***************************
# end of show functions
# ***************************
def _end(self,reason,message):
self._end_mediashow_signal=False
self.mon.log(self,"Ending Mediashow: "+ self.show['show-ref'])
self._tidy_up()
self._end_callback(reason,message)
self=None
return
# ***************************
# Show sequencer
# ***************************
def _wait_for_trigger(self):
self._state='waiting'
if self.ready_callback<>None:
self.ready_callback()
self.mon.log(self,"Waiting for trigger: "+ self.show['trigger'])
if self.show['trigger']=="button":
# blank screen waiting for trigger if auto, otherwise display something
if self.show['progress']=="manual":
text= self.resource('mediashow','m01')
else:
text=""
self.display_message(self.canvas,'text',text,0,self._start_show)
elif self.show['trigger']=="PIR":
# blank screen waiting for trigger
text = self.resource('mediashow','m02')
self.display_message(self.canvas,'text',text,0,self._start_show)
elif self.show['trigger']=="start":
self._start_show()
else:
self.mon.err(self,"Unknown trigger: "+ self.show['trigger'])
self._end('error',"Unknown trigger type")
def _start_show(self):
self._state='playing'
self._direction='forward'
# start interval timer
if self.show['repeat']=="interval" and self.show['repeat-interval']<>0:
self._interval_timer_signal=False
self._interval_timer=self.canvas.after(int(self.show['repeat-interval'])*1000,self._end_interval_timer)
# and play the first track unless commanded otherwise
if self.command=='backward':
self.medialist.finish()
else:
self.medialist.start()
self._play_selected_track(self.medialist.selected_track())
def _what_next(self):
self._direction='forward'
# user wants to end, wait for any shows or tracks to have ended then end show
if self._end_mediashow_signal==True:
if self.player==None and self.shower==None:
self._end_mediashow_signal=False
self._end('normal',"show ended by user")
else:
pass
#returning from a subshow needing to move onward
elif self._req_next=='do-next':
self._req_next='nil'
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
#returning from a subshow needing to move backward
elif self._req_next=='do-previous':
self._req_next='nil'
self._direction='backward'
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
# user wants to play child
elif self._play_child_signal == True:
self._play_child_signal=False
index = self.medialist.index_of_track('pp-child-show')
if index >=0:
#don't select the track as need to preserve mediashow sequence.
child_track=self.medialist.track(index)
self._display_eggtimer(self.resource('mediashow','m07'))
self._play_selected_track(child_track)
else:
self.mon.err(self,"Child show not found in medialist: "+ self.show['pp-child-show'])
self._end('error',"child show not found in medialist")
# skip to next track on user input
elif self._next_track_signal==True:
self._next_track_signal=False
if self.medialist.at_end()==True:
if self.show['sequence']=="ordered" and self.show['repeat']=='oneshot' and self.top==False:
self._end('do-next',"Return from Sub Show")
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
# skip to previous track on user input
elif self._previous_track_signal==True:
self._previous_track_signal=False
self._direction='backward'
if self.medialist.at_start()==True:
if self.show['sequence']=="ordered" and self.show['repeat']=='oneshot' and self.top==False:
self._end('do-previous',"Return from Sub Show")
else:
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
else:
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
# track is finished and we are on auto
elif self.show['progress']=="auto":
if self.medialist.at_end()==True:
if self.show['sequence']=="ordered" and self.show['repeat']=='oneshot' and self.top==False:
self._end('do-next',"Return from Sub Show")
#### elif
elif self.show['sequence']=="ordered" and self.show['repeat']=='oneshot' and self.top==True:
self._wait_for_trigger()
elif self._waiting_for_interval==True:
if self._interval_timer_signal==True:
self._interval_timer_signal=False
self._waiting_for_interval=False
self._start_show()
else:
self._poll_for_interval_timer=self.canvas.after(1000,self._what_next)
elif self.show['sequence']=="ordered" and self.show['repeat']=='interval' and int(self.show['repeat-interval'])>0:
self._waiting_for_interval=True
self._poll_for_interval_timer=self.canvas.after(1000,self._what_next)
elif self.show['sequence']=="ordered" and self.show['repeat']=='interval' and int(self.show['repeat-interval'])==0:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
else:
self.mon.err(self,"Unhandled playing event: ")
self._end('error',"Unhandled playing event")
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
# track has finished and we are on manual progress
elif self.show['progress']=="manual":
self._delete_eggtimer()
self._display_eggtimer(self.resource('mediashow','m03'))
self._poll_for_continue_timer=self.canvas.after(500,self._what_next)
else:
#unhandled state
self.mon.err(self,"Unhandled playing event: ")
self._end('error',"Unhandled playing event")
def _end_interval_timer(self):
self._interval_timer_signal=True
# ***************************
# Dispatching to Players/Shows
# ***************************
# used to display internal messages in situations where a medialist entry could be used.
def display_message(self,canvas,source,content,duration,_display_message_callback):
self._display_message_callback=_display_message_callback
tp={'duration':duration,'message-colour':'white','message-font':'Helvetica 20 bold'}
self.player=MessagePlayer(canvas,tp,tp)
self.player.play(content,self._display_message_end,None)
def _display_message_end(self,reason,message):
self.player=None
if reason in ('error','killed'):
self._end(reason,message)
else:
self._display_message_callback()
def complete_path(self,selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Track to play is: "+ track_file)
return track_file
def _play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
self.canvas.delete(ALL)
if self.show['progress']=="manual":
self._display_eggtimer(self.resource('mediashow','m04'))
# is menu required
if self.show['has-child']=="yes":
enable_child=True
else:
enable_child=False
#dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="image":
track_file=self.complete_path(selected_track)
# images played from menus don't have children
self.player=ImagePlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.canvas,self.show,selected_track)
self.player.play(text,
self.end_player,
self.ready_callback,
enable_menu=enable_child
)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self._end('error',"Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command=self._direction)
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self._end('error'"Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self._end('error',"Unknown track type")
def ready_callback(self):
self._delete_eggtimer()
def end_player(self,reason,message):
self._req_next='nil'
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
if reason in("killed","error"):
self._end(reason,message)
elif self.show['progress']=="manual":
self._display_eggtimer(self.resource('mediashow','m05'))
self._req_next=reason
self._what_next()
else:
self._req_next=reason
self._what_next()
def end_shower(self,reason,message):
self._req_next='nil'
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
if reason in("killed","error"):
self._end(reason,message)
elif self.show['progress']=="manual":
self._display_eggtimer(self.resource('mediashow','m06'))
self._req_next=reason
self._what_next()
else:
self._req_next=reason
self._what_next()
def _display_eggtimer(self,text):
self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
text= text,
fill='white',
font="Helvetica 20 bold")
self.canvas.update_idletasks( )
def _delete_eggtimer(self):
self.canvas.delete(ALL)
class ControlsManager:
config = None
global_controls = []
def __init__(self):
self.mon = Monitor()
self.mon.on()
#read controls.cfg, done once in Pi Presents
def read(self, pp_dir, pp_home, pp_profile):
if ControlsManager.config == None:
# try inside profile
tryfile = pp_profile + os.sep + "controls.cfg"
# self.mon.log(self,"Trying controls.cfg in profile at: "+ tryfile)
if os.path.exists(tryfile):
filename = tryfile
else:
# try inside pp_home
# self.mon.log(self,"controls.cfg not found at "+ tryfile+ " trying pp_home")
tryfile = pp_home + os.sep + "controls.cfg"
if os.path.exists(tryfile):
filename = tryfile
else:
# try inside pipresents
# self.mon.log(self,"controls.cfg not found at "+ tryfile + " trying inside pipresents")
tryfile = pp_dir + os.sep + 'pp_home' + os.sep + "controls.cfg"
if os.path.exists(tryfile):
filename = tryfile
else:
self.mon.log(self,
"controls.cfg not found at " + tryfile)
self.mon.err(self, "controls.cfg not found")
return False
ControlsManager.config = ConfigParser.ConfigParser()
ControlsManager.config.read(filename)
self.mon.log(self, "controls.cfg read from " + filename)
return True
def parse_defaults(self):
if ControlsManager.config.has_section('controls'):
ControlsManager.global_controls = ControlsManager.config.items(
'controls')
# print 'global controls ',ControlsManager.global_controls
return True
else:
return False
# get the default controls for the show that has been read in by read from controls.cfg
def default_controls(self):
control_defs = ControlsManager.global_controls
controls_list = []
for control_def in control_defs:
op = control_def[1]
default_name = control_def[0]
controls_list.append([default_name, op])
return controls_list
# Merge in controls from a show.
# the set of default controls for all shows can be overridden in a top level show
# by the controls defined in the show
# if show has an operation other than 'null' change the symbolic name to that inthe show
# if the show has a null operation change the operation of the attached symbolic name to null
def merge_show_controls(self, controls_list, show_text):
# print 'show text: ',show_text
reason, message, show_controls = self.parse_controls(show_text)
# print 'show controls:',show_controls
# overwrite the default symbolic_name if re-defined in the show
for show_control in show_controls:
show_name = show_control[0]
show_operation = show_control[1]
# find the operation in the controls list and change its name
# print 'op to change name of: ',show_operation
# print 'change to ',show_name
for control in controls_list:
if control[1] == show_operation:
control[0] = show_name
# print 'after rename ',controls_list
# add additional operations if defined in the show
for show_control in show_controls:
show_name = show_control[0]
show_operation = show_control[1]
# is operation in the controls list
# print 'op to add: ',show_operation
# print 'name to add ',show_name
found = False
for control in controls_list:
if control[1] == show_operation:
found = True
# if the operation has not been found and it is omx- or mplay- then add it.
if found == False and (show_operation[0:4] == 'omx-'
or show_operation[0:6] == 'mplay-'):
# print 'appending ', show_name,show_operation
controls_list.append([show_name, show_operation])
# step through controls list dealing with null
new_controls = []
# find the name in controls list and delete it?
for control in controls_list:
name = control[0]
operation = control[1]
found = False
for show_control in show_controls:
show_name = show_control[0]
show_operation = show_control[1]
if show_name == name and show_operation == 'null':
found = True
break
if found == False:
new_controls.append(control)
# print 'preserved ',control
# print 'merged controls',new_controls
return new_controls
# parse controls from controls field in a show
def parse_controls(self, controls_text):
controls = []
lines = controls_text.split('\n')
num_lines = 0
for line in lines:
if line.strip() == "":
continue
num_lines += 1
error_text, control = self.parse_control(line.strip())
if error_text <> "":
return 'error', error_text, controls
controls.append(copy.deepcopy(control))
return 'normal', '', controls
def parse_control(self, line):
fields = line.split()
if len(fields) <> 2:
return "incorrect number of fields in control", ['', '']
symbol = fields[0]
operation = fields[1]
if operation in (
'stop', 'play', 'up', 'down', 'pause', 'null'
) or operation[0:4] == 'omx-' or operation[0:6] == 'mplay-':
return '', [symbol, operation]
else:
return "unknown operation", ['', '']
class OMXDriver(object):
_LAUNCH_CMD = '/usr/bin/omxplayer --no-keys ' # needs changing if user has installed his own version of omxplayer elsewhere
KEY_MAP = {
'-': 17,
'+': 18,
'=': 18
} # add more keys here, see popcornmix/omxplayer github
def __init__(self, widget, pp_dir):
self.widget = widget
self.pp_dir = pp_dir
self.mon = Monitor()
self.start_play_signal = False
self.end_play_signal = False
self.end_play_reason = 'nothing'
self.duration = 0
self.video_position = 0
self.pause_at_end_required = False
self.paused_at_end = False
self.pause_before_play_required = True
self.paused_at_start = False
self.paused = False
self.terminate_reason = ''
# dbus and subprocess
self._process = None
self.__iface_root = None
self.__iface_props = None
self.__iface_player = None
# legacy
self.xbefore = 'not used - legacy'
self.xafter = 'not used - legacy'
def load(self, track, options, caller):
self.caller = caller
track = "'" + track.replace("'", "'\\''") + "'"
self.dbus_user = os.environ["USER"]
self.dbus_name = "org.mpris.MediaPlayer2.omxplayer" + str(
int(time() * 10))
self.omxplayer_cmd = OMXDriver._LAUNCH_CMD + options + " --dbus_name '" + self.dbus_name + "' " + track
# self.mon.log(self, 'dbus user ' + self.dbus_user)
# self.mon.log(self, 'dbus name ' + self.dbus_name)
# print self.omxplayer_cmd
self.mon.log(self, "Send command to omxplayer: " + self.omxplayer_cmd)
# self._process=subprocess.Popen(self.omxplayer_cmd,shell=True,stdout=file('/home/pi/pipresents/pp_logs/stdout.txt','a'),stderr=file('/home/pi/pipresents/pp_logs/stderr.txt','a'))
self._process = subprocess.Popen(self.omxplayer_cmd,
shell=True,
stdout=file('/dev/null', 'a'),
stderr=file('/dev/null', 'a'))
self.pid = self._process.pid
# wait for omxplayer to start then start monitoring thread
self.dbus_tries = 0
self.omx_loaded = False
self._wait_for_dbus()
return
def _wait_for_dbus(self):
connect_success = self.__dbus_connect()
if connect_success is True:
# print 'SUCCESS'
self.mon.log(
self, 'connected to omxplayer dbus after ' +
str(self.dbus_tries) + ' centisecs')
self.start_play_signal = True
if self.pause_before_play_required is True and self.paused_at_start is False:
self.pause('after load')
self.paused_at_start = True
# get duration of the track in microsecs
duration_success, duration = self.get_duration()
if duration_success is False:
self.duration = 0
self.end_play_signal = True
self.end_play_reason = 'Failed to read duration - Not connected to omxplayer DBus'
else:
# pause before last frame
self.duration = duration - 350000
# start the thread that is going to monitor output from omxplayer.
self._position_thread = Thread(target=self._monitor_status)
self._position_thread.start()
else:
self.dbus_tries += 1
self.widget.after(100, self._wait_for_dbus)
def _monitor_status(self):
while True:
retcode = self._process.poll()
# print 'in loop', self.pid, retcode
if retcode is not None:
# print 'process not running', retcode, self.pid
# process is not running because quit or natural end
self.end_play_signal = True
self.end_play_reason = 'nice_day'
break
else:
# test position ony when process is running, could have race condition
if self.paused_at_end is False:
# test position only when not paused for the end, in case process is dead
success, video_position = self.get_position()
if success is False:
# print 'process ended when reading video position ' + str(self.video_position)
pass # failure can happen because track has ended and process ended. Don't change video position
else:
self.video_position = video_position
# if timestamp is near the end then pause
if self.pause_at_end_required is True and self.video_position > self.duration: #microseconds
# print 'pausing at end'
self.pause(' at end of track')
self.paused_at_end = True
self.end_play_signal = True
self.end_play_reason = 'pause_at_end'
sleep(0.05)
def show(self, freeze_at_end_required):
self.pause_at_end_required = freeze_at_end_required
# unpause to start playing
self.unpause(' to start showing')
def control(self, char):
val = OMXDriver.KEY_MAP[char]
self.mon.log(
self, '>control received and sent to omxplayer ' + str(self.pid))
if self.is_running():
try:
self.__iface_player.Action(dbus.Int32(val))
except dbus.exceptions.DBusException:
self.mon.warn(self, 'Failed to send control - dbus exception')
return
else:
self.mon.warn(self, 'Failed to send control - process not running')
return
def pause(self, reason):
self.mon.log(self, 'pause received ' + reason)
if not self.paused:
self.paused = True
self.mon.log(self, 'not paused so send pause ' + reason)
if self.is_running():
try:
self.__iface_player.Pause()
except dbus.exceptions.DBusException:
self.mon.warn(self,
'Failed to send pause - dbus exception')
return
else:
self.mon.warn(self,
'Failed to send pause - process not running')
return
def toggle_pause(self, reason):
self.mon.log(self, 'toggle pause received ' + reason)
if not self.paused:
self.paused = True
else:
self.paused = False
if self.is_running():
try:
self.__iface_player.Action(16)
except dbus.exceptions.DBusException:
self.mon.warn(self, 'Failed to toggle pause - dbus exception')
return
else:
self.mon.warn(self, 'Failed to toggle pause - process not running')
return
def unpause(self, reason):
self.mon.log(self, 'Unpause received ' + reason)
if self.paused:
self.paused = False
self.mon.log(self, 'Is paused so Track unpaused ' + reason)
if self.is_running():
try:
self.__iface_player.Action(16)
except dbus.exceptions.DBusException as ex:
self.mon.warn(
self,
'Failed to send unpause - dbus exception: {}'.format(
ex.get_dbus_message()))
return
# print 'unpause successful'
else:
self.mon.warn(self,
'Failed to send pause - process not running')
return
def stop(self):
self.mon.log(
self, '>stop received and quit sent to omxplayer ' + str(self.pid))
if self.is_running():
try:
self.__iface_root.Quit()
except dbus.exceptions.DBusException:
self.mon.warn(self, 'Failed to quit - dbus exception')
return
else:
self.mon.warn(self, 'Failed to quit - process not running')
return
# kill the subprocess (omxplayer and omxplayer.bin). Used for tidy up on exit.
def terminate(self, reason):
self.terminate_reason = reason
self.stop()
def get_terminate_reason(self):
return self.terminate_reason
# test of whether _process is running
def is_running(self):
retcode = self._process.poll()
# print 'is alive', retcode
if retcode is None:
return True
else:
return False
# kill off omxplayer when it hasn't terminated at the end of a track.
# send SIGINT (CTRL C) so it has a chance to tidy up daemons and omxplayer.bin
def kill(self):
if self.is_running():
self._process.send_signal(signal.SIGINT)
def get_position(self):
"""Return the current position"""
if self.is_running():
try:
micros = self.__iface_props.Position()
return True, micros
except dbus.exceptions.DBusException:
return False, -1
else:
return False, -1
def get_duration(self):
"""Return the total length of the playing media"""
if self.is_running():
try:
micros = self.__iface_props.Duration()
return True, micros
except dbus.exceptions.DBusException:
return False, -1
else:
return False, -1
# *********************
# connect to dbus
# *********************
def __dbus_connect(self):
if self.omx_loaded is False:
# read the omxplayer dbus data from files generated by omxplayer
bus_address_filename = "/tmp/omxplayerdbus.{}".format(
self.dbus_user)
bus_pid_filename = "/tmp/omxplayerdbus.{}.pid".format(
self.dbus_user)
if not os.path.exists(bus_address_filename):
self.mon.log(
self,
'waiting for bus address file ' + bus_address_filename)
self.omx_loaded = False
return False
else:
f = open(bus_address_filename, "r")
bus_address = f.read().rstrip()
if bus_address == '':
self.mon.log(
self, 'waiting for bus address in file ' +
bus_address_filename)
self.omx_loaded = False
return False
else:
# self.mon.log(self, 'bus address found ' + bus_address)
if not os.path.exists(bus_pid_filename):
self.mon.warn(
self,
'bus pid file does not exist ' + bus_pid_filename)
self.omx_loaded = False
return False
else:
f = open(bus_pid_filename, "r")
bus_pid = f.read().rstrip()
if bus_pid == '':
self.omx_loaded = False
return False
else:
# self.mon.log(self, 'bus pid found ' + bus_pid)
os.environ[
"DBUS_SESSION_BUS_ADDRESS"] = bus_address
os.environ["DBUS_SESSION_BUS_PID"] = bus_pid
self.omx_loaded = True
if self.omx_loaded is True:
session_bus = dbus.SessionBus()
try:
omx_object = session_bus.get_object(self.dbus_name,
"/org/mpris/MediaPlayer2",
introspect=False)
self.__iface_root = dbus.Interface(omx_object,
"org.mpris.MediaPlayer2")
self.__iface_props = dbus.Interface(
omx_object, "org.freedesktop.DBus.Properties")
self.__iface_player = dbus.Interface(
omx_object, "org.mpris.MediaPlayer2.Player")
except dbus.exceptions.DBusException as ex:
# self.mon.log(self,"Waiting for dbus connection to omxplayer: {}".format(ex.get_dbus_message()))
return False
return True
class GPIODriver(object):
"""
GPIODriver provides GPIO facilties for Pi presents
- configures and binds GPIO pins from data in gpio.cfg
- reads and debounces inputs pins, provides callbacks on state changes which generate input events
- changes the stae of output pins as required by calling programs
"""
# constants for buttons
# cofiguration from gpio.cfg
PIN=0 # pin on RPi board GPIO connector e.g. P1-11
DIRECTION = 1 # IN/OUT/NONE (None is not used)
NAME = 2 # symbolic name for output
RISING_NAME=3 # symbolic name for rising edge callback
FALLING_NAME=4 # symbolic name of falling edge callback
ONE_NAME=5 # symbolic name for one state callback
ZERO_NAME = 6 # symbolic name for zero state callback
REPEAT = 7 # repeat interval for state callbacks (mS)
THRESHOLD = 8 # threshold of debounce count for state change to be considered
PULL = 9 # pull up or down or none
LINKED_NAME = 10 # output pin that follows the input
LINKED_INVERT = 11 # invert the linked pin
# dynamic data
COUNT=12 # variable - count of the number of times the input has been 0 (limited to threshold)
PRESSED = 13 # variable - debounced state
LAST = 14 # varible - last state - used to detect edge
REPEAT_COUNT = 15
TEMPLATE = ['', # pin
'', # direction
'', # name
'','','','', #input names
0, # repeat
0, # threshold
'', #pull
-1, #linked pin
False, # linked invert
0,False,False,0] #dynamics
# for A and B
# PINLIST = ('P1-03','P1-05','P1-07','P1-08',
# 'P1-10','P1-11','P1-12','P1-13','P1-15','P1-16','P1-18','P1-19',
# 'P1-21','P1-22','P1-23','P1-24','P1-26')
# for A+ and B+ seems to work for A and B
PINLIST = ('P1-03','P1-05','P1-07','P1-08',
'P1-10','P1-11','P1-12','P1-13','P1-15','P1-16','P1-18','P1-19',
'P1-21','P1-22','P1-23','P1-24','P1-26','P1-29',
'P1-31','P1-32','P1-33','P1-35','P1-36','P1-37','P1-38','P1-40')
# CLASS VARIABLES (GPIODriver.)
shutdown_index=0 #index of shutdown pin
pins=[]
options=None
gpio_enabled=False
# executed by main program and by each object using gpio
def __init__(self):
self.mon=Monitor()
# executed once from main program
def init(self,pp_dir,pp_home,pp_profile,widget,button_tick,button_callback=None):
# instantiate arguments
self.widget=widget
self.pp_dir=pp_dir
self.pp_profile=pp_profile
self.pp_home=pp_home
self.button_tick=button_tick
self.button_callback=button_callback
GPIODriver.shutdown_index=0
# read gpio.cfg file.
reason,message=self.read(self.pp_dir,self.pp_home,self.pp_profile)
if reason =='error':
return 'error',message
import RPi.GPIO as GPIO
self.GPIO = GPIO
# construct the GPIO control list from the configuration
for index, pin_def in enumerate(GPIODriver.PINLIST):
pin=copy.deepcopy(GPIODriver.TEMPLATE)
pin_bits = pin_def.split('-')
pin_num=pin_bits[1:]
pin[GPIODriver.PIN]=int(pin_num[0])
if self.config.has_section(pin_def) is False:
self.mon.warn(self, "no pin definition for "+ pin_def)
pin[GPIODriver.DIRECTION]='None'
else:
# unused pin
if self.config.get(pin_def,'direction') == 'none':
pin[GPIODriver.DIRECTION]='none'
else:
pin[GPIODriver.DIRECTION]=self.config.get(pin_def,'direction')
if pin[GPIODriver.DIRECTION] == 'in':
# input pin
pin[GPIODriver.RISING_NAME]=self.config.get(pin_def,'rising-name')
pin[GPIODriver.FALLING_NAME]=self.config.get(pin_def,'falling-name')
pin[GPIODriver.ONE_NAME]=self.config.get(pin_def,'one-name')
pin[GPIODriver.ZERO_NAME]=self.config.get(pin_def,'zero-name')
if self.config.has_option(pin_def,'linked-output'):
# print self.config.get(pin_def,'linked-output')
pin[GPIODriver.LINKED_NAME]=self.config.get(pin_def,'linked-output')
if self.config.get(pin_def,'linked-invert') == 'yes':
pin[GPIODriver.LINKED_INVERT]=True
else:
pin[GPIODriver.LINKED_INVERT]=False
else:
pin[GPIODriver.LINKED_NAME]= ''
pin[GPIODriver.LINKED_INVERT]=False
if pin[GPIODriver.FALLING_NAME] == 'pp-shutdown':
GPIODriver.shutdown_index=index
if self.config.get(pin_def,'repeat') != '':
pin[GPIODriver.REPEAT]=int(self.config.get(pin_def,'repeat'))
else:
pin[GPIODriver.REPEAT]=-1
pin[GPIODriver.THRESHOLD]=int(self.config.get(pin_def,'threshold'))
if self.config.get(pin_def,'pull-up-down') == 'up':
pin[GPIODriver.PULL]=GPIO.PUD_UP
elif self.config.get(pin_def,'pull-up-down') == 'down':
pin[GPIODriver.PULL]=GPIO.PUD_DOWN
else:
pin[GPIODriver.PULL]=GPIO.PUD_OFF
else:
# output pin
pin[GPIODriver.NAME]=self.config.get(pin_def,'name')
# print pin
GPIODriver.pins.append(copy.deepcopy(pin))
# setup GPIO
self.GPIO.setwarnings(True)
self.GPIO.setmode(self.GPIO.BOARD)
# set up the GPIO inputs and outputs
for index, pin in enumerate(GPIODriver.pins):
num = pin[GPIODriver.PIN]
if pin[GPIODriver.DIRECTION] == 'in':
self.GPIO.setup(num,self.GPIO.IN,pull_up_down=pin[GPIODriver.PULL])
elif pin[GPIODriver.DIRECTION] == 'out':
self.GPIO.setup(num,self.GPIO.OUT)
self.GPIO.setup(num,False)
self.reset_input_state()
GPIODriver.gpio_enabled=True
# init timer
self.button_tick_timer=None
return 'normal','GPIO initialised'
# called by main program only
def poll(self):
# loop to look at the buttons
self.do_buttons()
self.button_tick_timer=self.widget.after(self.button_tick,self.poll)
# called by main program only
def terminate(self):
if GPIODriver.gpio_enabled is True:
if self.button_tick_timer is not None:
self.widget.after_cancel(self.button_tick_timer)
self.reset_outputs()
self.GPIO.cleanup()
# ************************************************
# gpio input functions
# called by main program only
# ************************************************
def reset_input_state(self):
for pin in GPIODriver.pins:
pin[GPIODriver.COUNT]=0
pin[GPIODriver.PRESSED]=False
pin[GPIODriver.LAST]=False
pin[GPIODriver.REPEAT_COUNT]=pin[GPIODriver.REPEAT]
# index is of the pins array, provided by the callback ***** needs to be name
def shutdown_pressed(self):
if GPIODriver.shutdown_index != 0:
return GPIODriver.pins[GPIODriver.shutdown_index][GPIODriver.PRESSED]
else:
return False
def do_buttons(self):
for index, pin in enumerate(GPIODriver.pins):
if pin[GPIODriver.DIRECTION] == 'in':
# linked pin
if pin[GPIODriver.LINKED_NAME] != '':
link_pin=self.output_pin_of(pin[GPIODriver.LINKED_NAME])
if link_pin!=-1:
self.GPIO.output(link_pin,self.GPIO.input(pin[GPIODriver.PIN]) ^ pin[GPIODriver.LINKED_INVERT])
# debounce
if self.GPIO.input(pin[GPIODriver.PIN]) == 0:
if pin[GPIODriver.COUNT]<pin[GPIODriver.THRESHOLD]:
pin[GPIODriver.COUNT]+=1
if pin[GPIODriver.COUNT] == pin[GPIODriver.THRESHOLD]:
pin[GPIODriver.PRESSED]=True
else: # input us 1
if pin[GPIODriver.COUNT]>0:
pin[GPIODriver.COUNT]-=1
if pin[GPIODriver.COUNT] == 0:
pin[GPIODriver.PRESSED]=False
# detect edges
# falling edge
if pin[GPIODriver.PRESSED] is True and pin[GPIODriver.LAST] is False:
pin[GPIODriver.LAST]=pin[GPIODriver.PRESSED]
pin[GPIODriver.REPEAT_COUNT]=pin[GPIODriver.REPEAT]
if pin[GPIODriver.FALLING_NAME] != '' and self.button_callback is not None:
self.button_callback(pin[GPIODriver.FALLING_NAME],"GPIO")
# rising edge
if pin[GPIODriver.PRESSED] is False and pin[GPIODriver.LAST] is True:
pin[GPIODriver.LAST]=pin[GPIODriver.PRESSED]
pin[GPIODriver.REPEAT_COUNT]=pin[GPIODriver.REPEAT]
if pin[GPIODriver.RISING_NAME] != '' and self.button_callback is not None:
self.button_callback(pin[GPIODriver.RISING_NAME],"GPIO")
# do state callbacks
if pin[GPIODriver.REPEAT_COUNT] == 0:
if pin[GPIODriver.ZERO_NAME] != '' and pin[GPIODriver.PRESSED] is True and self.button_callback is not None:
self.button_callback(pin[GPIODriver.ZERO_NAME],"GPIO")
if pin[GPIODriver.ONE_NAME] != '' and pin[GPIODriver.PRESSED] is False and self.button_callback is not None:
self.button_callback(pin[GPIODriver.ONE_NAME],"GPIO")
pin[GPIODriver.REPEAT_COUNT]=pin[GPIODriver.REPEAT]
else:
if pin[GPIODriver.REPEAT] != -1:
pin[GPIODriver.REPEAT_COUNT]-=1
# execute an output event
def handle_output_event(self,name,param_type,param_values,req_time):
if GPIODriver.gpio_enabled is False:
return 'normal','gpio not enabled'
#gpio only handles state parameters
if param_type != 'state':
return 'error','gpio does not handle: ' + param_type
to_state=param_values[0]
if to_state== 'on':
state=True
else:
state=False
pin= self.output_pin_of(name)
if pin == -1:
return 'error','Not an output for gpio: ' + name
self.mon.log (self,'pin P1-'+ str(pin)+ ' set '+ str(state) + ' required at: ' + str(req_time)+ ' sent at: ' + str(long(time.time())))
# print 'pin P1-'+ str(pin)+ ' set '+ str(state) + ' required: ' + str(req_time)+ ' actual: ' + str(long(time.time()))
self.GPIO.output(pin,state)
return 'normal','gpio handled OK'
# ************************************************
# gpio output interface methods
# these can be called from many classes so need to operate on class variables
# ************************************************
def reset_outputs(self):
if GPIODriver.gpio_enabled is True:
self.mon.log(self,'reset outputs')
for index, pin in enumerate(GPIODriver.pins):
num = pin[GPIODriver.PIN]
if pin[GPIODriver.DIRECTION] == 'out':
self.GPIO.output(num,False)
# ************************************************
# internal functions
# these can be called from many classes so need to operate on class variables
# ************************************************
def output_pin_of(self,name):
for pin in GPIODriver.pins:
# print " in list" + pin[GPIODriver.NAME] + str(pin[GPIODriver.PIN] )
if pin[GPIODriver.NAME] == name and pin[GPIODriver.DIRECTION] == 'out':
# print " linked pin " + pin[GPIODriver.NAME] + ' ' + str(pin[GPIODriver.PIN] )
return pin[GPIODriver.PIN]
return -1
# ***********************************
# reading gpio.cfg
# ************************************
def read(self,pp_dir,pp_home,pp_profile):
# try inside profile
filename=pp_profile+os.sep+'pp_io_config'+os.sep+'gpio.cfg'
if os.path.exists(filename):
self.config = ConfigParser.ConfigParser()
self.config.read(filename)
self.mon.log(self,"gpio.cfg read from "+ filename)
return 'normal','gpio.cfg read'
else:
return 'normal','gpio.cfg not found in profile: '+filename
class OMXDriver(object):
_STATUS_REXP = re.compile(r"V :\s*([\d.]+).*")
_DONE_REXP = re.compile(r"have a nice day.*")
_LAUNCH_CMD = '/usr/bin/omxplayer -s ' #needs changing if user has installed his own version of omxplayer elsewhere
def __init__(self,widget):
self.widget=widget
self.mon=Monitor()
self.mon.on()
self.paused=None
def control(self,char):
self._process.send(char)
def pause(self):
self._process.send('p')
if not self.paused:
self.paused = True
else:
self.paused=False
def play(self, track, options):
self._pp(track, options,False)
def prepare(self, track, options):
self._pp(track, options,True)
def show(self):
# unpause to start playing
self._process.send('p')
self.paused = False
def stop(self):
self._process.send('q')
# kill the subprocess (omxplayer.bin). Used for tidy up on exit.
def terminate(self,reason):
self.terminate_reason=reason
self._process.send('q')
def terminate_reason(self):
return self.terminate_reason
# test of whether _process is running
def is_running(self):
return self._process.isalive()
# ***********************************
# INTERNAL FUNCTIONS
# ************************************
def _pp(self, track, options, pause_before_play):
self.paused=False
self.start_play_signal = False
self.end_play_signal=False
self.terminate_reason=''
track= "'"+ track.replace("'","'\\''") + "'"
cmd = OMXDriver._LAUNCH_CMD + options +" " + track
self.mon.log(self, "Send command to omxplayer: "+ cmd)
self._process = pexpect.spawn(cmd)
# uncomment to monitor output to and input from omxplayer.bin (read pexpect manual)
fout= file('omxlogfile.txt','w') #uncomment and change sys.stdout to fout to log to a file
# self._process.logfile_send = sys.stdout # send just commands to stdout
self._process.logfile=fout # send all communications to log file
if pause_before_play:
self._process.send('p')
self.paused = True
#start the thread that is going to monitor sys.stdout. Presumably needs a thread because of blocking
self._position_thread = Thread(target=self._get_position)
self._position_thread.start()
def _get_position(self):
self.start_play_signal = True
self.video_position=0.0
self.audio_position=0.0
while True:
index = self._process.expect([OMXDriver._STATUS_REXP,
pexpect.TIMEOUT,
pexpect.EOF,
OMXDriver._DONE_REXP])
if index == 1:
continue
elif index in (2, 3):
#Have a nice day detected
self.end_play_signal=True
break
else:
# presumably matches _STATUS_REXP so get video position
# has a bug, position is not displayed for an audio track (mp3). Need to look at another field in the status, but how to extract it
self.video_position = float(self._process.match.group(1))
self.audio_position = 0.0
#sleep is Ok here as it is a seperate thread. self.widget.after has funny effects as its not in the maion thread.
sleep(0.05)
class LiveShow:
NEW_TRACKS={'image':{'title':'New Image','track-ref':'','type':'image','location':'','duration':'','transition':'',
'track-text':'','track-text-font':'','track-text-colour':'','track-text-x':'0','track-text-y':'0'},
'video':{'title':'New Video','track-ref':'','type':'video','location':'','omx-audio':''}}
IMAGE_FILES=('.gif','.jpg','.jpeg','.bmp','.png','.tif')
VIDEO_FILES=('.mp4','.mkv','.avi','.mp2','.wmv', '.vob')
AUDIO_FILES=('.mp3','.wav','.ogg')
# *******************
# External interface
# ********************
def __init__(self,
show,
canvas,
showlist,
pp_home,
pp_profile):
""" canvas - the canvas that the show is to be written on
showlist - used jus to check the issue of medialist against showlist
show - the dictionary for the show to be played
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show =show
self.showlist=showlist
self.canvas=canvas
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
# Init variables
self.player=None
self.shower=None
self._end_liveshow_signal=False
self._play_child_signal = False
self.error=False
self._livelist=None
self._new_livelist= None
def play(self,end_callback,ready_callback=None, top=False,command='nil'):
""" displays the liveshow
end_callback - function to be called when the liveshow exits
ready_callback - callback when liveshow is ready to display
top is True when the show is top level (i.e. run from start show)
"""
#instantiate the arguments
self._end_callback=end_callback
self._ready_callback=ready_callback
self.top=top
self.mon.log(self,"Starting show: " + self.show['show-ref'])
# check data files are available.
self.media_file = self.pp_profile + os.sep + self.show['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self,"Medialist file not found: "+ self.media_file)
self._stop("Medialist file not found")
self.options=command_options()
self._pp_live_dir1 = self.pp_home + os.sep + 'pp_live_tracks'
if not os.path.exists(self._pp_live_dir1):
os.mkdir(self._pp_live_dir1)
self._pp_live_dir2=''
if self.options['liveshow'] <>"":
self._pp_live_dir2 = self.options['liveshow']
if not os.path.exists(self._pp_live_dir2):
self.mon.err(self,"live tracks directory not found " + self._pp_live_dir2)
self._end('error',"live tracks directory not found")
#create a medialist for the liveshow and read it.
# it should be empty of anonymous tracks but read it to check its version.
self.medialist=MediaList()
if self.medialist.open_list(self.media_file,self.showlist.sissue())==False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self._end('error',"Version of medialist different to Pi Presents")
if self.ready_callback<>None:
self.ready_callback()
self._play_first_track()
# respond to key presses.
def key_pressed(self,key_name):
self.mon.log(self,"received key: " + key_name)
if key_name=='':
pass
elif key_name=='escape':
# if next lower show eor player is running pass down to stop the show/track
# ELSE stop this show except for exceptions
if self.shower<>None:
self.shower.key_pressed(key_name)
elif self.player<>None:
self.player.key_pressed(key_name)
else:
# not at top so stop the show
if self.top == False:
self._stop("exit show to higher level")
else:
pass
elif key_name in ('up','down'):
# if child or sub-show is running and is a show pass to show, track does not use up/down
if self.shower<>None:
self.shower.key_pressed(key_name)
elif key_name=='return':
# if child show or sub-show is running and is show - pass down
# ELSE use Return to start child
if self.shower<>None:
self.shower.key_pressed(key_name)
else:
if self.show['has-child']=="yes":
self._play_child()
elif key_name in ('p',' '):
# pass down if show or track running.
if self.shower<>None:
self.shower.key_pressed(key_name)
elif self.player<>None:
self.player.key_pressed(key_name)
def button_pressed(self,button,edge):
if button=='play': self.key_pressed("return")
elif button =='up': self.key_pressed("up")
elif button=='down': self.key_pressed("down")
elif button=='stop': self.key_pressed("escape")
elif button=='pause': self.key_pressed('p')
# kill or error
def terminate(self,reason):
if self.shower<>None:
self.mon.log(self,"sent terminate to shower")
self.shower.terminate(reason)
elif self.player<>None:
self.mon.log(self,"sent terminate to player")
self.player.terminate(reason)
else:
self._end(reason,'terminated without terminating shower or player')
def _tidy_up(self):
pass
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
self.terminate("error",'Cannot find resource')
else:
return value
# ***************************
# Respond to key/button presses
# ***************************
def _stop(self,message):
self._end_liveshow_signal=True
def _play_child(self):
self._play_child_signal=True
if self.player<>None:
self.player.key_pressed("escape")
# ***************************
# end of show functions
# ***************************
def _end(self,reason,message):
self._end_liveshow_signal=False
self.mon.log(self,"Ending Liveshow: "+ self.show['show-ref'])
self._tidy_up()
self._end_callback(reason,message)
self=None
return
def _nend(self):
self._end('normal','end from state machine')
# ***************************
# Livelist
# ***************************
def _livelist_add_track(self,afile):
(root,title)=os.path.split(afile)
(root,ext)= os.path.splitext(afile)
if ext.lower() in LiveShow.IMAGE_FILES:
self._livelist_new_track(LiveShow.NEW_TRACKS['image'],{'title':title,'track-ref':'','location':afile})
if ext.lower() in LiveShow.VIDEO_FILES:
self._livelist_new_track(LiveShow.NEW_TRACKS['video'],{'title':title,'track-ref':'','location':afile})
if ext.lower() in LiveShow.AUDIO_FILES:
self._livelist_new_track(LiveShow.NEW_TRACKS['video'],{'title':title,'track-ref':'','location':afile})
def _livelist_new_track(self,fields,values):
new_track=fields
self._new_livelist.append(copy.deepcopy(new_track))
last = len(self._new_livelist)-1
self._new_livelist[last].update(values)
def _new_livelist_create(self):
self._new_livelist=[]
if os.path.exists(self._pp_live_dir1):
for file in os.listdir(self._pp_live_dir1):
file = self._pp_live_dir1 + os.sep + file
(root_file,ext_file)= os.path.splitext(file)
if ext_file.lower() in LiveShow.IMAGE_FILES+LiveShow.VIDEO_FILES+LiveShow.AUDIO_FILES:
self._livelist_add_track(file)
if os.path.exists(self._pp_live_dir2):
for file in os.listdir(self._pp_live_dir2):
file = self._pp_live_dir2 + os.sep + file
(root_file,ext_file)= os.path.splitext(file)
if ext_file.lower() in LiveShow.IMAGE_FILES+LiveShow.VIDEO_FILES+LiveShow.AUDIO_FILES:
self._livelist_add_track(file)
self._new_livelist= sorted(self._new_livelist, key= lambda track: os.path.basename(track['location']).lower())
# for it in self._new_livelist:
# print it['location']
# print ''
def _livelist_replace_if_changed(self):
self._new_livelist_create()
if self._new_livelist<>self._livelist:
self._livelist=copy.deepcopy(self._new_livelist)
self._livelist_index=0
def _livelist_next(self):
if self._livelist_index== len(self._livelist)-1:
self._livelist_index=0
else:
self._livelist_index +=1
# ***************************
# Play Loop
# ***************************
def _play_first_track(self):
self._new_livelist_create()
self._livelist = copy.deepcopy(self._new_livelist)
self._livelist_index = 0
self._play_track()
def _play_track(self):
self._livelist_replace_if_changed()
if len(self._livelist)>0:
self._play_selected_track(self._livelist[self._livelist_index])
else:
self.display_message(self.canvas,None,self.resource('liveshow','m01'),5,self._what_next)
def _what_next(self):
# user wants to end
if self._end_liveshow_signal==True:
self._end_liveshow_signal=False
self._end('normal',"show ended by user")
# play child?
elif self._play_child_signal == True:
self._play_child_signal=False
index = self.medialist.index_of_track('pp-child-show')
if index >=0:
#don't select the track as need to preserve mediashow sequence.
child_track=self.medialist.track(index)
self._display_eggtimer(self.resource('liveshow','m02'))
self._play_selected_track(child_track)
else:
self.mon.err(self,"Child show not found in medialist: "+ self.show['pp-child-show'])
self._end('error',"child show not found in medialist")
# otherwise loop to next track
else:
self._livelist_next()
self._play_track()
# ***************************
# Dispatching to Players/Shows
# ***************************
# used to display internal messages in situations where a medialist entry could not be used.
def display_message(self,canvas,source,content,duration,_display_message_callback):
self._display_message_callback=_display_message_callback
tp={'duration':duration,'message-colour':'white','message-font':'Helvetica 20 bold'}
self.player=MessagePlayer(canvas,tp,tp)
self.player.play(content,self._display_message_end,None)
def _display_message_end(self,reason,message):
self.player=None
if reason in ("killed",'error'):
self._end(reason,message)
else:
self._display_message_callback()
def complete_path(self,selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Track to play is: "+ track_file)
return track_file
def _play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected_track is a dictionary for the track/show
"""
# self.canvas.delete(ALL)
# is menu required
if self.show['has-child']=="yes":
enable_child=True
else:
enable_child=False
#dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="image":
track_file=self.complete_path(selected_track)
# images played from menus don't have children
self.player=ImagePlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self._stop("Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self._stop("Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self._stop("Unknown track type")
def ready_callback(self):
self._delete_eggtimer()
def end_player(self,reason,message):
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
if reason in("killed","error"):
self._end(reason,message)
else:
self._what_next()
def end_shower(self,reason,message):
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
if reason in("killed","error"):
self._end(reason,message)
else:
self._what_next()
def _display_eggtimer(self,text):
self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
text= text,
fill='white',
font="Helvetica 20 bold")
self.canvas.update_idletasks( )
def _delete_eggtimer(self):
self.canvas.delete(ALL)
class VideoPlayer:
_CLOSED = "omx_closed" #probably will not exist
_STARTING = "omx_starting" #track is being prepared
_PLAYING = "omx_playing" #track is playing to the screen, may be paused
_ENDING = "omx_ending" #track is in the process of ending due to quit or end of track
# ***************************************
# EXTERNAL COMMANDS
# ***************************************
def __init__(self,
canvas,
cd,
track_params ):
"""
canvas - the canvas onto which the video is to be drawn (not!!)
cd - configuration dictionary
track_params - config dictionary for this track overides cd
"""
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.cd=cd #configuration dictionary for the videoplayer
self.canvas = canvas #canvas onto which video should be played but isn't! Use as widget for alarm
self.track_params=track_params
# get config from medialist if there.
if 'omx-audio' in self.track_params and self.track_params['omx-audio']<>"":
self.omx_audio= self.track_params['omx-audio']
else:
self.omx_audio= self.cd['omx-audio']
if self.omx_audio<>"": self.omx_audio= "-o "+ self.omx_audio
# could put instance generation in play, not sure which is better.
self.omx=OMXDriver()
self._tick_timer=None
self.error=False
self.terminate_required=False
self._init_play_state_machine()
def play(self, track,
end_callback,
ready_callback,
enable_menu=False,
starting_callback=None,
playing_callback=None,
ending_callback=None):
#instantiate arguments
self.ready_callback=ready_callback #callback when ready to play
self.end_callback=end_callback # callback when finished
self.starting_callback=starting_callback #callback during starting state
self.playing_callback=playing_callback #callback during playing state
self.ending_callback=ending_callback # callback during ending state
# enable_menu is not used by videoplayer
# and start playing the video.
if self.play_state == VideoPlayer._CLOSED:
self.mon.log(self,">play track received")
self._start_play_state_machine(track)
return True
else:
self.mon.log(self,"!< play track rejected")
return False
def key_pressed(self,key_name):
if key_name=='':
return
elif key_name in ('p',' '):
self._pause()
return
elif key_name=='escape':
self._stop()
return
def button_pressed(self,button,edge):
if button =='pause':
self._pause()
return
elif button=='stop':
self._stop()
return
def terminate(self,reason):
# circumvents state machine
self.terminate_required=True
if self.omx<>None:
self.mon.log(self,"sent terminate to omxdriver")
self.omx.terminate(reason)
else:
self.mon.log(self,"terminate, omxdriver not running")
self._end()
# ***************************************
# INTERNAL FUNCTIONS
# ***************************************
# respond to normal stop
def _stop(self):
# send signal to stop the track to the state machine
self.mon.log(self,">stop received")
self._stop_required_signal=True
#respond to internal error
def _error(self):
self.error=True
self._stop_required_signal=True
#toggle pause
def _pause(self):
if self.play_state in (VideoPlayer._PLAYING,VideoPlayer._ENDING):
self.omx.pause()
return True
else:
self.mon.log(self,"!<pause rejected")
return False
# other control when playing, used?
def _control(self,char):
if self.play_state==VideoPlayer._PLAYING:
self.mon.log(self,"> send control ot omx: "+ char)
self.omx.control(char)
return True
else:
self.mon.log(self,"!<control rejected")
return False
# called to end omxdriver
def _end(self):
if self._tick_timer<>None:
self.canvas.after_cancel(self._tick_timer)
self._tick_timer=None
if self.error==True:
self.end_callback("error",'error')
self=None
elif self.terminate_required==True:
self.end_callback("killed",'killed')
self=None
else:
self.end_callback('normal',"track has terminated")
self=None
# ***************************************
# # PLAYING STATE MACHINE
# ***************************************
"""self. play_state controls the playing sequence, it has the following values.
I am not entirely sure the starting and ending states are required.
- _closed - the omx process is not running, omx process can be initiated
- _starting - omx process is running but is not yet able to receive controls
- _playing - playing a track, controls can be sent
- _ending - omx is doing its termination, controls cannot be sent
"""
def _init_play_state_machine(self):
self._stop_required_signal=False
self.play_state=VideoPlayer._CLOSED
def _start_play_state_machine(self,track):
#initialise all the state machine variables
#self.iteration = 0 # for debugging
self._stop_required_signal=False # signal that user has pressed stop
self.play_state=VideoPlayer._STARTING
#play the selected track
options=self.omx_audio+" "+self.cd['omx-other-options']+" "
self.omx.play(track,options)
# and start polling for state changes
self._tick_timer=self.canvas.after(50, self._play_state_machine)
def _play_state_machine(self):
if self.play_state == VideoPlayer._CLOSED:
self.mon.log(self," State machine: " + self.play_state)
return
elif self.play_state == VideoPlayer._STARTING:
self.mon.log(self," State machine: " + self.play_state)
# if omxplayer is playing the track change to play state
if self.omx.start_play_signal==True:
self.mon.log(self," <start play signal received from omx")
self.omx.start_play_signal=False
# callback to the calling object to e.g remove egg timer.
if self.ready_callback<>None:
self.ready_callback()
self.play_state=VideoPlayer._PLAYING
self.mon.log(self," State machine: omx_playing started")
self._do_starting()
self._tick_timer=self.canvas.after(50, self._play_state_machine)
elif self.play_state == VideoPlayer._PLAYING:
# self.mon.log(self," State machine: " + self.play_state)
# service any queued stop signals
if self._stop_required_signal==True:
self.mon.log(self," Service stop required signal")
self._stop_omx()
self._stop_required_signal=False
self.play_state = VideoPlayer._ENDING
# omxplayer reports it is terminating so change to ending state
if self.omx.end_play_signal:
self.mon.log(self," <end play signal received")
self.mon.log(self," <end detected at: " + str(self.omx.video_position))
self.play_state = VideoPlayer._ENDING
self._do_playing()
self._tick_timer=self.canvas.after(200, self._play_state_machine)
elif self.play_state == VideoPlayer._ENDING:
self.mon.log(self," State machine: " + self.play_state)
self._do_ending()
# if spawned process has closed can change to closed state
self.mon.log (self," State machine : is omx process running? - " + str(self.omx.is_running()))
if self.omx.is_running() ==False:
self.mon.log(self," <omx process is dead")
self.play_state = VideoPlayer._CLOSED
self._end()
else:
self._tick_timer=self.canvas.after(200, self._play_state_machine)
# allow calling object do things in each state by calling the appropriate callback
def _do_playing(self):
self.video_position=self.omx.video_position
self.audio_position=self.omx.audio_position
if self.playing_callback<>None:
self.playing_callback()
def _do_starting(self):
self.video_position=0.0
self.audio_position=0.0
if self.starting_callback<>None:
self.starting_callback()
def _do_ending(self):
if self.ending_callback<>None:
self.ending_callback()
def _stop_omx(self):
# send signal to stop the track to the state machine
self.mon.log(self," >stop omx received from state machine")
if self.play_state==VideoPlayer._PLAYING:
self.omx.stop()
return True
else:
self.mon.log(self,"!<stop rejected")
return False
class BeepPlayer(object):
pp_home = ''
pp_profile = ''
def __init__(self):
self.mon = Monitor()
def init(self, pp_home, pp_profile):
BeepPlayer.pp_home = pp_home
BeepPlayer.pp_profile = pp_profile
def play_animate_beep(self, location, device):
# check location
path = self.complete_path(location)
if not os.path.exists(path):
return 'error', 'beep file does not exist: ' + path
status, message = self.do_beep(path, device)
if status == 'error':
return 'error', message
return 'normal', ''
def play_show_beep(self, command_text):
fields = command_text.split()
if len(fields) not in (2, 3):
return 'error', "incorrect number of fields in beep command" + line
symbol = fields[0]
location = fields[1]
if len(fields) == 3:
device = fields[2]
else:
device = ''
path = self.complete_path(location)
if not os.path.exists(path):
return 'error', 'beep file does not exist: ' + path
status, message = self.do_beep(path, device)
if status == 'error':
return 'error', message
return 'normal', ''
def complete_path(self, track_file):
# complete path of the filename of the selected entry
if track_file != '' and track_file[0] == "+":
track_file = BeepPlayer.pp_home + track_file[1:]
elif track_file[0] == "@":
track_file = BeepPlayer.pp_profile + track_file[1:]
return track_file
def do_beep(self, path, device):
self.am = AudioManager()
self.mon.log(self, 'Do Beep: ' + path + ' ' + device)
#print ('play beep',path,device)
audio_sys = self.am.get_audio_sys()
if audio_sys == 'cset':
#print ('cset',device)
if device != "":
if device in ('hdmi', 'hdmi0'):
os.system("amixer -q -c 0 cset numid=3 2")
elif device == 'hdmi1':
os.system("amixer -q -c 0 cset numid=3 3")
elif device in ('local', 'A/V'):
os.system("amixer -q -c 0 cset numid=3 1")
fields = path.split('.')
if fields[1] == 'mp3':
#print ('cset mp3')
os.system('mpg123 -q ' + path)
else:
#print ('cset aplay')
os.system("aplay -q " + path)
return 'normal', ''
elif audio_sys == 'alsa':
#print ('alsa',device)
# alsa audio
fields = path.split('.')
if fields[1] != 'mp3':
# other than mp3
driver_option = ''
if device != "":
if device in ('hdmi', 'hdmi0'):
driver_option = ' -D plughw:b1 '
elif device == 'hdmi1':
driver_option = ' -D plughw:b2 '
elif device in ('USB', 'alsa'):
driver_option = ' -D plughw:Device '
elif device in ('A/V', 'local'):
driver_option = ' -D plughw:Headphones '
else:
driver_option = ''
#print ('alsa wav',device,driver_option)
os.system("aplay -q " + driver_option + ' ' + path)
else: #mp3
driver_option = ''
if device != "":
if device in ('hdmi', 'hdmi0'):
driver_option = ' -o alsa:plughw:b1 '
elif device == 'hdmi1':
driver_option = ' -o alsa:plughw:b2 '
elif device in ('USB', 'alsa'):
driver_option = ' -o alsa:plughw:Device '
elif device in ('A/V', 'local'):
driver_option = ' -o alsa:plughw:Headphones '
else:
driver_option = ''
#print ('alsa mp3',driver_option)
os.system('mpg123 -q ' + driver_option + ' ' + path)
return 'normal', ''
elif audio_sys == "pulse":
status, message, sink = self.am.get_sink(device)
if status == 'error':
return 'error', message
if not self.am.sink_connected(sink):
return 'error', 'sound device not connected - ' + device
fields = path.split('.')
if fields[1] != 'mp3':
# other than mp3
if sink != '':
driver_option = ' --device=' + sink + ' --stream-name=pipresents '
else:
driver_option = ' --stream-name=pipresents '
#print ('pulse wav',device)
os.system('paplay ' + driver_option + path)
return 'normal', ''
else:
#mp3
if sink == '':
driver_option = ' -o pulse '
else:
driver_option = ' -o pulse -a ' + sink
#print ('pulse mp3',device)
command = 'mpg123 -q ' + driver_option + ' ' + path
# print (command)
os.system(command)
return 'normal', ''
else:
print('bad audio system', audio_sys)
return 'error', 'bad audio system'
class OSCRemote(object):
def __init__(self):
self.editor_issue = "1.3"
# get command options
self.command_options = remote_options()
# get directory holding the code
self.pp_dir = sys.path[0]
if not os.path.exists(self.pp_dir + os.sep + "pp_oscremote.py"):
tkMessageBox.showwarning("Pi Presents",
"Bad Application Directory")
exit()
# Initialise logging
Monitor.log_path = self.pp_dir
self.mon = Monitor()
self.mon.init()
Monitor.classes = ['OSCRemote', 'OSCConfig', 'OSCEditor']
Monitor.log_level = int(self.command_options['debug'])
self.mon.log(self, "Pi Presents Remote is starting")
self.mon.log(self, " OS and separator " + os.name + ' ' + os.sep)
self.mon.log(self,
"sys.path[0] - location of code: code " + sys.path[0])
self.setup_gui()
# OSC config class
self.osc_config = OSCConfig()
self.init()
#and start the system
self.root.after(1000, self.run_app)
self.root.mainloop()
def init(self):
self.osc_config_file = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_oscremote.cfg'
self.read_create_osc()
self.pp_home_dir = self.osc_config.pp_home_dir
self.pp_profiles_offset = self.osc_config.pp_profiles_offset
self.mon.log(self, "Data Home from options is " + self.pp_home_dir)
self.mon.log(
self, "Current Profiles Offset from options is " +
self.pp_profiles_offset)
self.pp_profile_dir = ''
self.current_showlist = None
self.current_show = None
self.current_show_ref = ''
self.shows_display.delete(0, END)
self.results.set('')
def add_status(self, text):
self.status_display.insert(END, text + '\n')
self.status_display.see(END)
def run_app(self):
self.client = None
self.server = None
self.st = None
# initialise OSC variables
self.prefix = '/pipresents'
self.this_unit = '/' + self.osc_config.this_unit_name
self.add_status('this unit is: ' + self.this_unit)
self.controlled_unit = '/' + self.osc_config.controlled_unit_1_name
self.add_status('controlled unit is: ' + self.controlled_unit)
#connect client then start server to listen for replies
self.init_client()
self.add_status('connecting to controlled unit: ' +
self.osc_config.controlled_unit_1_ip + ':' +
self.osc_config.controlled_unit_1_port + ' ' +
self.osc_config.controlled_unit_1_name)
self.connect_client(self.osc_config.controlled_unit_1_ip,
self.osc_config.controlled_unit_1_port)
self.add_status('listening for replies on:' +
self.osc_config.this_unit_ip + ':' +
self.osc_config.this_unit_port)
self.init_server(self.osc_config.this_unit_ip,
self.osc_config.this_unit_port, self.client)
self.add_initial_handlers()
self.start_server()
# ***************************************
# RESPOND TO BUTTONS
# ***************************************
def open_show(self):
self.msg_path = '/core/open '
self.msg_arg_text = self.current_show_ref
self.display_msg_text()
def close_show(self):
self.msg_path = '/core/close '
self.msg_arg_text = self.current_show_ref
self.display_msg_text()
def exit_pipresents(self):
self.msg_path = '/core/exitpipresents'
self.msg_arg_text = ''
self.display_msg_text()
def play_event(self):
self.msg_path = '/core/event'
self.msg_arg_text = 'pp-play'
self.display_msg_text()
def pause_event(self):
self.msg_path = '/core/event'
self.msg_arg_text = 'pp-pause'
self.display_msg_text()
pass
def stop_event(self):
self.msg_path = '/core/event'
self.msg_arg_text = 'pp-stop'
self.display_msg_text()
pass
def up_event(self):
self.msg_path = '/core/event'
self.msg_arg_text = 'pp-up'
self.display_msg_text()
def down_event(self):
self.msg_path = '/core/event'
self.msg_arg_text = 'pp-down'
self.display_msg_text()
def output(self):
self.msg_path = '/core/output'
self.msg_arg_text = ''
self.display_msg_text()
def loopback(self):
self.msg_path = '/system/loopback'
self.msg_arg_text = ''
self.display_msg_text()
def server_info(self):
self.msg_path = '/system/server-info'
self.msg_arg_text = ''
self.display_msg_text()
# and put the created text in the results box in the gui
def display_msg_text(self):
self.results.set(self.prefix + self.controlled_unit + self.msg_path +
' ' + self.msg_arg_text)
#calback from the Send button
# parses the message string into fields and sends - NO error checking
def send_message(self):
msg_text = self.results.get()
self.add_status('Send message:' + msg_text)
self.mon.log(self, 'send message: ' + msg_text)
fields = msg_text.split()
address = fields[0]
arg_list = fields[1:]
self.send(address, arg_list)
# ***************************************
# OSC CLIENT TO SEND MESSAGES
# ***************************************
def init_client(self):
self.client = OSC.OSCClient()
def connect_client(self, ip, port):
self.mon.log(self, 'connect to: ' + ip + ':' + str(port))
self.client.connect((ip, int(port)))
def send(self, address, arg_list):
msg = OSC.OSCMessage()
msg.setAddress(address)
for arg in arg_list:
msg.append(arg)
self.client.send(msg)
def disconnect_client(self):
self.client.close()
return
# ***************************************
# OSC SERVER TO LISTEN TO REPLIES
# ***************************************
def init_server(self, ip, port_text, client):
self.mon.log(self, 'Start Server: ' + ip + ':' + port_text)
self.server = OSC.OSCServer((ip, int(port_text)), client)
def start_server(self):
self.st = threading.Thread(target=self.server.serve_forever)
self.st.start()
def close_server(self):
if self.server != None:
self.server.close()
self.mon.log(self, 'Waiting for Server-thread to finish')
if self.st != None:
self.st.join() ##!!!
self.mon.log(self, 'server thread closed')
def add_initial_handlers(self):
self.server.addMsgHandler('default', self.no_match_handler)
self.server.addMsgHandler(
self.prefix + self.this_unit + "/system/loopback-reply",
self.loopback_reply_handler)
self.server.addMsgHandler(
self.prefix + self.this_unit + "/system/server-info-reply",
self.server_info_reply_handler)
def no_match_handler(self, addr, tags, stuff, source):
text = ''
text += "no match for new osc msg from %s" % OSC.getUrlStr(
source) + '\n'
text += "with addr : %s" % addr + '\n'
text += "typetags %s" % tags + '\n'
text += "data %s" % stuff + '\n'
self.add_status(text + '\n')
def loopback_reply_handler(self, addr, tags, stuff, source):
self.add_status('Loopback reply received from: ' +
self.pretty_list(source))
def server_info_reply_handler(self, addr, tags, stuff, source):
self.add_status('Server Information from: ' +
self.pretty_list(source) + '\n ' +
self.pretty_list(stuff))
def pretty_list(self, fields):
text = ' '
for field in fields:
text += str(field) + ' '
return text
# ***************************************
# INIT EXIT MISC
# ***************************************
def e_edit_osc(self):
self.disconnect_client()
self.close_server()
self.edit_osc()
self.init()
self.add_status('\n\n\nRESTART')
self.run_app()
def app_exit(self):
self.disconnect_client()
self.close_server()
if self.root is not None:
self.root.destroy()
self.mon.finish()
sys.exit()
def show_help(self):
tkMessageBox.showinfo("Help", "Read 'manual.pdf'")
def about(self):
tkMessageBox.showinfo(
"About", "Simple Remote Control for Pi Presents\n" +
"Author: Ken Thompson" +
"\nWebsite: http://pipresents.wordpress.com/")
def setup_gui(self):
# set up the gui
# root is the Tkinter root widget
self.root = Tk()
self.root.title("Remote Control for Pi Presents")
# self.root.configure(background='grey')
self.root.resizable(False, False)
# define response to main window closing
self.root.protocol("WM_DELETE_WINDOW", self.app_exit)
# bind some display fields
self.filename = StringVar()
self.display_show = StringVar()
self.results = StringVar()
self.status = StringVar()
# define menu
menubar = Menu(self.root)
profilemenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
profilemenu.add_command(label='Select',
command=self.open_existing_profile)
menubar.add_cascade(label='Profile', menu=profilemenu)
toolsmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='Tools', menu=toolsmenu)
osc_configmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='OSC', menu=osc_configmenu)
osc_configmenu.add_command(label='Edit', command=self.e_edit_osc)
helpmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='Help', menu=helpmenu)
helpmenu.add_command(label='Help', command=self.show_help)
helpmenu.add_command(label='About', command=self.about)
self.root.config(menu=menubar)
#top frame
top_frame = Frame(self.root, padx=5, pady=5)
top_frame.pack(side=TOP)
results_label = Label(top_frame,
text="Message to Send",
font="arial 12 bold")
results_label.pack(side=LEFT)
results_display = Entry(top_frame, textvariable=self.results, width=70)
results_display.pack(side=LEFT, fill=BOTH, expand=1)
send_button = Button(top_frame,
width=5,
height=1,
text='Send',
fg='black',
command=self.send_message,
bg="light grey")
send_button.pack(side=RIGHT)
#bottom frame
bottom_frame = Frame(self.root, padx=5, pady=5)
bottom_frame.pack(side=TOP, fill=BOTH, expand=1)
left_frame = Frame(bottom_frame, padx=5)
left_frame.pack(side=LEFT)
right_frame = Frame(bottom_frame, padx=5, pady=5)
right_frame.pack(side=LEFT)
suplabel_frame = Frame(right_frame, pady=5)
suplabel_frame.pack(side=TOP)
commands_label = Label(suplabel_frame,
text="Show Control",
font="arial 12 bold")
commands_label.pack()
supervisor_frame = Frame(right_frame, pady=5)
supervisor_frame.pack(side=TOP)
# supervisor buttons
add_button = Button(supervisor_frame,
width=5,
height=1,
text='Open\nShow',
fg='black',
command=self.open_show,
bg="light grey")
add_button.pack(side=LEFT)
add_button = Button(supervisor_frame,
width=5,
height=1,
text='Close\nShow',
fg='black',
command=self.close_show,
bg="light grey")
add_button.pack(side=LEFT)
add_button = Button(supervisor_frame,
width=10,
height=1,
text='Exit\nPi Presents',
fg='black',
command=self.exit_pipresents,
bg="light grey")
add_button.pack(side=LEFT)
# events buttons
oplabel_frame = Frame(right_frame, pady=5)
oplabel_frame.pack(side=TOP)
operations_label = Label(oplabel_frame,
text="Input Events",
font="arial 12 bold")
operations_label.pack()
operations_frame = Frame(right_frame, pady=5)
operations_frame.pack(side=TOP)
add_button = Button(operations_frame,
width=5,
height=1,
text='Play',
fg='black',
command=self.play_event,
bg="light grey")
add_button.pack(side=LEFT)
add_button = Button(operations_frame,
width=5,
height=1,
text='Pause',
fg='black',
command=self.pause_event,
bg="light grey")
add_button.pack(side=LEFT)
add_button = Button(operations_frame,
width=5,
height=1,
text='Stop',
fg='black',
command=self.stop_event,
bg="light grey")
add_button.pack(side=LEFT)
add_button = Button(operations_frame,
width=5,
height=1,
text='Up',
fg='black',
command=self.up_event,
bg="light grey")
add_button.pack(side=LEFT)
add_button = Button(operations_frame,
width=5,
height=1,
text='Down',
fg='black',
command=self.down_event,
bg="light grey")
add_button.pack(side=LEFT)
# animate buttons
animate_frame = Frame(right_frame, pady=5)
animate_frame.pack(side=TOP)
animate_label = Label(animate_frame,
text="Control Outputs",
font="arial 12 bold")
animate_label.pack()
animate_frame = Frame(right_frame, pady=5)
animate_frame.pack(side=TOP)
add_button = Button(animate_frame,
width=5,
height=1,
text='Output',
fg='black',
command=self.output,
bg="light grey")
add_button.pack(side=LEFT)
# system buttons
systemlabel_frame = Frame(right_frame, pady=5)
systemlabel_frame.pack(side=TOP)
system_label = Label(systemlabel_frame,
text="System",
font="arial 12 bold")
system_label.pack()
system_frame = Frame(right_frame, pady=5)
system_frame.pack(side=TOP)
add_button = Button(system_frame,
width=5,
height=1,
text='Loopback',
fg='black',
command=self.loopback,
bg="light grey")
add_button.pack(side=LEFT)
add_button = Button(system_frame,
width=10,
height=1,
text='Server Info',
fg='black',
command=self.server_info,
bg="light grey")
add_button.pack(side=LEFT)
# define display of showlist
shows_title_frame = Frame(left_frame)
shows_title_frame.pack(side=TOP)
shows_label = Label(shows_title_frame, text="Shows")
shows_label.pack()
shows_frame = Frame(left_frame)
shows_frame.pack(side=TOP)
scrollbar = Scrollbar(shows_frame, orient=VERTICAL)
self.shows_display = Listbox(shows_frame,
selectmode=SINGLE,
height=12,
width=40,
bg="white",
activestyle=NONE,
fg="black",
yscrollcommand=scrollbar.set)
scrollbar.config(command=self.shows_display.yview)
scrollbar.pack(side=RIGHT, fill=Y)
self.shows_display.pack(side=LEFT, fill=BOTH, expand=1)
self.shows_display.bind("<ButtonRelease-1>", self.e_select_show)
# status_frame
status_frame = Frame(self.root, padx=5, pady=5)
status_frame.pack(side=TOP, fill=BOTH, expand=1)
status_label = Label(status_frame, text="Status", font="arial 12 bold")
status_label.pack(side=LEFT)
scrollbar = Scrollbar(status_frame, orient=VERTICAL)
self.status_display = Text(status_frame,
height=10,
yscrollcommand=scrollbar.set)
scrollbar.config(command=self.status_display.yview)
scrollbar.pack(side=RIGHT, fill=Y)
self.status_display.pack(side=LEFT, fill=BOTH, expand=1)
# ***************************************
# SHOWLIST
# ***************************************
def open_existing_profile(self):
initial_dir = self.pp_home_dir + os.sep + "pp_profiles" + self.pp_profiles_offset
if os.path.exists(initial_dir) is False:
self.mon.err(
self, "Profiles directory not found: " + initial_dir +
"\n\nHint: Data Home option must end in pp_home")
return
dir_path = tkFileDialog.askdirectory(initialdir=initial_dir)
# dir_path="C:\Users\Ken\pp_home\pp_profiles\\ttt"
if len(dir_path) > 0:
self.open_profile(dir_path)
def open_profile(self, dir_path):
showlist_file = dir_path + os.sep + "pp_showlist.json"
if os.path.exists(showlist_file) is False:
self.mon.err(
self, "Not a Profile: " + dir_path +
"\n\nHint: Have you opened the profile directory?")
return
self.pp_profile_dir = dir_path
self.root.title("Remote for Pi Presents - " + self.pp_profile_dir)
self.open_showlist(self.pp_profile_dir)
def open_showlist(self, profile_dir):
showlist_file = profile_dir + os.sep + "pp_showlist.json"
if os.path.exists(showlist_file) is False:
self.mon.err(
self, "showlist file not found at " + profile_dir +
"\n\nHint: Have you opened the profile directory?")
self.app_exit()
self.current_showlist = ShowList()
self.current_showlist.open_json(showlist_file)
if float(self.current_showlist.sissue()) != float(self.editor_issue):
self.mon.err(
self, "Version of profile does not match Remote: " +
self.editor_issue)
self.app_exit()
self.refresh_shows_display()
def refresh_shows_display(self):
self.shows_display.delete(0, self.shows_display.size())
for index in range(self.current_showlist.length()):
self.shows_display.insert(
END,
self.current_showlist.show(index)['title'] + " [" +
self.current_showlist.show(index)['show-ref'] + "]")
if self.current_showlist.show_is_selected():
self.shows_display.itemconfig(
self.current_showlist.selected_show_index(), fg='red')
self.shows_display.see(self.current_showlist.selected_show_index())
def e_select_show(self, event):
print 'select show', self.current_showlist.length()
if self.current_showlist is not None and self.current_showlist.length(
) > 0:
mouse_item_index = int(event.widget.curselection()[0])
self.current_showlist.select(mouse_item_index)
self.current_show_ref = self.current_showlist.selected_show(
)['show-ref']
self.refresh_shows_display()
else:
self.current_show_ref = ''
# ***************************************
# OSC CONFIGURATION
# ***************************************
def read_create_osc(self):
if self.osc_config.read(self.osc_config_file) is False:
self.osc_config.create(self.osc_config_file)
eosc = OSCEditor(self.root, self.osc_config_file, 'remote',
'Create OSC Remote Configuration')
self.osc_config.read(self.osc_config_file)
def edit_osc(self):
if self.osc_config.read(self.osc_config_file) is False:
self.osc_config.create(self.osc_config_file)
eosc = OSCEditor(self.root, self.osc_config_file, 'remote',
'Edit OSC Reomote Configuration')
class Player(object):
# common bits of __init__(...)
def __init__(self, show_id, showlist, root, canvas, show_params,
track_params, pp_dir, pp_home, pp_profile, end_callback,
command_callback):
# create debugging log object
self.mon = Monitor()
self.mon.trace(self, '')
# instantiate arguments
self.show_id = show_id
self.showlist = showlist
self.root = root
self.canvas = canvas['canvas-obj']
self.show_canvas_x1 = canvas['show-canvas-x1']
self.show_canvas_y1 = canvas['show-canvas-y1']
self.show_canvas_x2 = canvas['show-canvas-x2']
self.show_canvas_y2 = canvas['show-canvas-y2']
self.show_canvas_width = canvas['show-canvas-width']
self.show_canvas_height = canvas['show-canvas-height']
self.show_canvas_centre_x = canvas['show-canvas-centre-x']
self.show_canvas_centre_y = canvas['show-canvas-centre-y']
self.show_params = show_params
self.track_params = track_params
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
self.end_callback = end_callback
self.command_callback = command_callback
# get background image from profile.
self.background_file = ''
if self.track_params['background-image'] != '':
self.background_file = self.track_params['background-image']
# get background colour from profile.
if self.track_params['background-colour'] != '':
self.background_colour = self.track_params['background-colour']
else:
self.background_colour = self.show_params['background-colour']
# get animation instructions from profile
self.animate_begin_text = self.track_params['animate-begin']
self.animate_end_text = self.track_params['animate-end']
# create an instance of showmanager so we can control concurrent shows
# self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
# open the plugin Manager
self.pim = PluginManager(self.show_id, self.root, self.canvas,
self.show_params, self.track_params,
self.pp_dir, self.pp_home, self.pp_profile)
# create an instance of Animate so we can send animation commands
self.animate = Animate()
# initialise state and signals
self.background_obj = None
self.show_text_obj = None
self.track_text_obj = None
self.hint_obj = None
self.background = None
self.freeze_at_end_required = 'no' # overriden by videoplayer
self.tick_timer = None
self.terminate_signal = False
self.play_state = ''
def pre_load(self):
# Control other shows at beginning
self.show_control(self.track_params['show-control-begin'])
pass
# common bits of show(....)
def pre_show(self):
self.mon.trace(self, '')
# show_x_content moved to just before ready_callback to improve flicker.
self.show_x_content()
# and whatecer the plugin has created
self.pim.show_plugin()
#ready callback hides and closes players from previous track, also displays show background
if self.ready_callback is not None:
self.ready_callback(self.enable_show_background)
# create animation events
reason, message = self.animate.animate(self.animate_begin_text,
id(self))
if reason == 'error':
self.mon.err(self, message)
self.play_state = 'show-failed'
if self.finished_callback is not None:
self.finished_callback('error', message)
else:
# return to start playing the track.
self.mon.log(
self,
">show track received from show Id: " + str(self.show_id))
return
# to keep landscape happy
def ready_callback(self, enable_show_background):
self.mon.fatal(self, 'ready callback not overridden')
self.end('error', 'ready callback not overridden')
def finished_callback(self, reason, message):
self.mon.fatal(self, 'finished callback not overridden')
self.end('error', 'finished callback not overridden')
def closed_callback(self, reason, message):
self.mon.fatal(self, 'closed callback not overridden')
self.end('error', 'closed callback not overridden')
# Control shows so pass the show control commands back to PiPresents via the command callback
def show_control(self, show_control_text):
lines = show_control_text.split('\n')
for line in lines:
if line.strip() == "":
continue
# print 'show control command: ',line
self.command_callback(line,
source='track',
show=self.show_params['show-ref'])
# *****************
# hide content and end animation, show control etc.
# called by ready calback and end
# *****************
def hide(self):
self.mon.trace(self, '')
# abort the timer
if self.tick_timer is not None:
self.canvas.after_cancel(self.tick_timer)
self.tick_timer = None
self.hide_x_content()
# stop the plugin
if self.track_params['plugin'] != '':
self.pim.stop_plugin()
# Control concurrent shows at end
self.show_control(self.track_params['show-control-end'])
# clear events list for this track
if self.track_params['animate-clear'] == 'yes':
self.animate.clear_events_list(id(self))
# create animation events for ending
reason, message = self.animate.animate(self.animate_end_text, id(self))
if reason == 'error':
self.play_state = 'show-failed'
if self.finished_callback is not None:
self.finished_callback('error', message)
else:
return
def terminate(self):
self.mon.trace(self, '')
self.terminate_signal = True
if self.play_state == 'showing':
# call the derived class's stop method
self.stop()
else:
self.end('killed', 'terminate with no track or show open')
# must be overriden by derived class
def stop(self):
self.mon.fatal(self, 'stop not overidden by derived class')
self.play_state = 'show-failed'
if self.finished_callback is not None:
self.finished_callback('error',
'stop not overidden by derived class')
def get_play_state(self):
return self.play_state
# *****************
# ending the player
# *****************
def end(self, reason, message):
self.mon.trace(self, '')
# stop the plugin
if self.terminate_signal is True:
reason = 'killed'
self.terminate_signal = False
self.hide()
self.end_callback(reason, message)
self = None
# *****************
# displaying common things
# *****************
def load_plugin(self):
# load the plugin if required
if self.track_params['plugin'] != '':
reason, message, self.track = self.pim.load_plugin(
self.track, self.track_params['plugin'])
return reason, message
def draw_plugin(self):
# load the plugin if required
if self.track_params['plugin'] != '':
self.pim.draw_plugin()
return
def load_x_content(self, enable_menu):
self.mon.trace(self, '')
self.background_obj = None
self.background = None
self.track_text_obj = None
self.show_text_obj = None
self.hint_obj = None
self.track_obj = None
# background image
if self.background_file != '':
background_img_file = self.complete_path(self.background_file)
if not os.path.exists(background_img_file):
return 'error', "Track background file not found " + background_img_file
else:
pil_background_img = Image.open(background_img_file)
# print 'pil_background_img ',pil_background_img
image_width, image_height = pil_background_img.size
window_width = self.show_canvas_width
window_height = self.show_canvas_height
if image_width != window_width or image_height != window_height:
pil_background_img = pil_background_img.resize(
(window_width, window_height))
self.background = ImageTk.PhotoImage(pil_background_img)
del pil_background_img
self.background_obj = self.canvas.create_image(
self.show_canvas_x1,
self.show_canvas_y1,
image=self.background,
anchor=NW)
# print '\nloaded background_obj: ',self.background_obj
# load the track content. Dummy function below is overridden in players
status, message = self.load_track_content()
if status == 'error':
return 'error', message
# load show text if enabled
if self.show_params['show-text'] != '' and self.track_params[
'display-show-text'] == 'yes':
x, y, anchor, justify = calculate_text_position(
self.show_params['show-text-x'],
self.show_params['show-text-y'], self.show_canvas_x1,
self.show_canvas_y1, self.show_canvas_centre_x,
self.show_canvas_centre_y, self.show_canvas_x2,
self.show_canvas_y2, self.show_params['show-text-justify'])
self.show_text_obj = self.canvas.create_text(
x,
y,
anchor=anchor,
justify=justify,
text=self.show_params['show-text'],
fill=self.show_params['show-text-colour'],
font=self.show_params['show-text-font'])
# load track text if enabled
if self.track_params['track-text'] != '':
x, y, anchor, justify = calculate_text_position(
self.track_params['track-text-x'],
self.track_params['track-text-y'], self.show_canvas_x1,
self.show_canvas_y1, self.show_canvas_centre_x,
self.show_canvas_centre_y, self.show_canvas_x2,
self.show_canvas_y2, self.track_params['track-text-justify'])
self.track_text_obj = self.canvas.create_text(
x,
y,
anchor=anchor,
justify=justify,
text=self.track_params['track-text'],
fill=self.track_params['track-text-colour'],
font=self.track_params['track-text-font'])
# load instructions if enabled
if enable_menu is True:
x, y, anchor, justify = calculate_text_position(
self.show_params['hint-x'], self.show_params['hint-y'],
self.show_canvas_x1, self.show_canvas_y1,
self.show_canvas_centre_x, self.show_canvas_centre_y,
self.show_canvas_x2, self.show_canvas_y2,
self.show_params['hint-justify'])
self.hint_obj = self.canvas.create_text(
x,
y,
justify=justify,
text=self.show_params['hint-text'],
fill=self.show_params['hint-colour'],
font=self.show_params['hint-font'],
anchor=anchor)
self.display_show_canvas_rectangle()
self.pim.draw_plugin()
self.canvas.tag_raise('pp-click-area')
self.canvas.itemconfig(self.background_obj, state='hidden')
self.canvas.itemconfig(self.show_text_obj, state='hidden')
self.canvas.itemconfig(self.track_text_obj, state='hidden')
self.canvas.itemconfig(self.hint_obj, state='hidden')
self.canvas.update_idletasks()
return 'normal', 'x-content loaded'
# display the rectangle that is the show canvas
def display_show_canvas_rectangle(self):
# coords=[self.show_canvas_x1,self.show_canvas_y1,self.show_canvas_x2-1,self.show_canvas_y2-1]
# self.canvas.create_rectangle(coords,
# outline='yellow',
# fill='')
pass
# dummy functions to manipulate the track content, overidden in some players,
# message text in messageplayer
# image in imageplayer
# menu stuff in menuplayer
def load_track_content(self):
return 'normal', 'player has no track content to load'
def show_track_content(self):
pass
def hide_track_content(self):
pass
def show_x_content(self):
self.mon.trace(self, '')
# background colour
if self.background_colour != '':
self.canvas.config(bg=self.background_colour)
# print 'showing background_obj: ', self.background_obj
# reveal background image and text
self.canvas.itemconfig(self.background_obj, state='normal')
self.show_track_content()
self.canvas.itemconfig(self.show_text_obj, state='normal')
self.canvas.itemconfig(self.track_text_obj, state='normal')
self.canvas.itemconfig(self.hint_obj, state='normal')
# self.canvas.update_idletasks( )
# decide whether the show background should be enabled.
# print 'DISPLAY SHOW BG',self.track_params['display-show-background'],self.background_obj
if self.background_obj is None and self.track_params[
'display-show-background'] == 'yes':
self.enable_show_background = True
else:
self.enable_show_background = False
# print 'ENABLE SB',self.enable_show_background
def hide_x_content(self):
self.mon.trace(self, '')
self.hide_track_content()
self.canvas.itemconfig(self.background_obj, state='hidden')
self.canvas.itemconfig(self.show_text_obj, state='hidden')
self.canvas.itemconfig(self.track_text_obj, state='hidden')
self.canvas.itemconfig(self.hint_obj, state='hidden')
# self.canvas.update_idletasks( )
self.canvas.delete(self.background_obj)
self.canvas.delete(self.show_text_obj)
self.canvas.delete(self.track_text_obj)
self.canvas.delete(self.hint_obj)
self.background = None
# self.canvas.update_idletasks( )
# ****************
# utilities
# *****************
def get_links(self):
return self.track_params['links']
# produce an absolute path from the relative one in track paramters
def complete_path(self, track_file):
# complete path of the filename of the selected entry
if track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
elif track_file[0] == "@":
track_file = self.pp_profile + track_file[1:]
return track_file
# get a text string from resources.cfg
def resource(self, section, item):
value = self.rr.get(section, item)
return value # False if not found
class OSCMonitor(object):
def __init__(self):
# get command options
self.command_options = remote_options()
# get directory holding the code
self.pp_dir = sys.path[0]
if not os.path.exists(self.pp_dir + os.sep + "pipresents.py"):
tkinter.messagebox.showwarning("Pi Presents",
"Bad Application Directory")
exit()
# Initialise logging
Monitor.log_path = self.pp_dir
self.mon = Monitor()
self.mon.init()
Monitor.classes = ['OSCMonitor', 'OSCConfig', 'OSCEditor']
Monitor.log_level = int(self.command_options['debug'])
self.mon.log(self, "Pi Presents Monitor is starting")
self.mon.log(self, " OS and separator " + os.name + ' ' + os.sep)
self.mon.log(self,
"sys.path[0] - location of code: code " + sys.path[0])
self.root = Tk()
# initialise OSC config class
self.osc_config = OSCConfig()
# read the options and allow their editing
self.osc_config_file = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_oscmonitor.cfg'
self.read_create_osc()
if self.osc_config.slave_enabled != 'yes':
self.mon.err(self, 'OSC Slave is not enabled in pp_oscmonitor.cfg')
exit()
#build gui
self.setup_gui()
# initialise
self.init()
#and start the system
self.root.after(1000, self.run_app)
self.root.mainloop()
def init(self):
self.desc.set('Listening for Commands from Master on: ' +
self.osc_config.this_unit_ip + ':' +
self.osc_config.listen_port)
self.client = None
self.server = None
self.st = None
def add_status(self, text):
self.status_display.insert(END, text + '\n')
self.status_display.see(END)
def run_app(self):
if self.osc_config.slave_enabled != 'yes':
self.mon.err(self, 'Slave not enabled in oscmonitor.cfg')
return
if self.osc_config.this_unit_ip == '':
self.mon.err(self,
'IP of own unit must be provided in oscmonitor.cfg')
return
if self.osc_config.listen_port == '':
self.mon.err(self,
'Listen port must be provided in oscmonitor.cfg')
return
self.client = None
self.server = None
self.st = None
# initialise OSC variables
self.prefix = '/pipresents'
self.this_unit = '/' + self.osc_config.this_unit_name
self.add_status('this unit OSC address is: ' + self.this_unit)
self.add_status('Listening for Commands from Master on: ' +
self.osc_config.this_unit_ip + ':' +
self.osc_config.listen_port)
#connect client for replies then start server to listen for commands
self.client = OSC.OSCClient()
self.init_server(self.osc_config.this_unit_ip,
self.osc_config.listen_port, self.client)
self.add_initial_handlers()
self.start_server()
# ***************************************
# OSC CLIENT TO SEND REPLIES
# ***************************************
def disconnect_client(self):
if self.client != None:
self.client.close()
return
# ***************************************
# OSC SERVER TO LISTEN TO COMMANDS
# ***************************************
def init_server(self, ip, port_text, client):
self.mon.log(self, 'Init Server: ' + ip + ':' + port_text)
self.server = myOSCServer((ip, int(port_text)), client)
def start_server(self):
self.st = threading.Thread(target=self.server.serve_forever)
self.st.start()
def close_server(self):
if self.server != None:
self.server.close()
self.mon.log(self, 'Waiting for Server-thread to finish')
if self.st != None:
self.st.join() ##!!!
self.mon.log(self, 'server thread closed')
def add_initial_handlers(self):
pass
self.server.addMsgHandler('default', self.no_match_handler)
self.server.addMsgHandler(
self.prefix + self.this_unit + "/system/server-info",
self.server_info_handler)
self.server.addMsgHandler(
self.prefix + self.this_unit + "/system/loopback",
self.loopback_handler)
def no_match_handler(self, addr, tags, stuff, source):
text = "Message from %s" % OSC.getUrlStr(source) + '\n'
text += " %s" % addr + self.pretty_list(stuff)
self.add_status(text + '\n')
def server_info_handler(self, addr, tags, stuff, source):
# send a reply to the client.
msg = OSC.OSCMessage(self.prefix + '/system/server-info-reply')
msg.append(self.osc_config.this_unit_name)
msg.append(self.server.getOSCAddressSpace())
text = "Message from %s" % OSC.getUrlStr(source) + '\n'
text += " %s" % addr + self.pretty_list(stuff)
self.add_status(text)
self.add_status('Sent reply to Server Info request to %s:' %
OSC.getUrlStr(source) + '\n')
return msg
def loopback_handler(self, addr, tags, stuff, source):
# send a reply to the client.
msg = OSC.OSCMessage(self.prefix + '/system/loopback-reply')
text = "Message from %s" % OSC.getUrlStr(source) + '\n'
text += " %s" % addr + self.pretty_list(stuff)
self.add_status(text + '\n' + 'Sent reply to Loopback request to %s:' %
OSC.getUrlStr(source) + '\n')
return msg
def pretty_list(self, fields):
text = ' '
for field in fields:
text += str(field) + ' '
return text
# ***************************************
# INIT EXIT MISC
# ***************************************
def e_edit_osc(self):
self.disconnect_client()
self.close_server()
self.edit_osc()
self.read_create_osc()
self.init()
self.add_status('\n\n\nRESTART')
self.run_app()
def app_exit(self):
self.disconnect_client()
self.close_server()
if self.root is not None:
self.root.destroy()
self.mon.finish()
sys.exit()
def show_help(self):
tkinter.messagebox.showinfo("Help", "Read 'manual.pdf'")
def about(self):
tkinter.messagebox.showinfo(
"About", "Simple Remote Monitor for Pi Presents\n" +
"Author: Ken Thompson" +
"\nWebsite: http://pipresents.wordpress.com/")
def setup_gui(self):
# set up the gui
# root is the Tkinter root widget
self.root.title("Remote Monitor for Pi Presents")
# self.root.configure(background='grey')
self.root.resizable(False, False)
# define response to main window closing
self.root.protocol("WM_DELETE_WINDOW", self.app_exit)
# bind some display fields
self.desc = StringVar()
self.filename = StringVar()
self.display_show = StringVar()
self.results = StringVar()
self.status = StringVar()
# define menu
menubar = Menu(self.root)
osc_configmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='Options', menu=osc_configmenu)
osc_configmenu.add_command(label='Edit', command=self.e_edit_osc)
helpmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='Help', menu=helpmenu)
helpmenu.add_command(label='Help', command=self.show_help)
helpmenu.add_command(label='About', command=self.about)
self.root.config(menu=menubar)
# info frame
info_frame = Frame(self.root, padx=5, pady=5)
info_frame.pack(side=TOP, fill=BOTH, expand=1)
info_name = Label(info_frame,
text="Slave Unit's Name: " +
self.osc_config.this_unit_name,
font="arial 12 bold")
info_name.pack(side=TOP)
info_this_address = Label(info_frame,
textvariable=self.desc,
font="arial 12 bold")
info_this_address.pack(side=TOP)
# status_frame
status_frame = Frame(self.root, padx=5, pady=5)
status_frame.pack(side=TOP, fill=BOTH, expand=1)
status_label = Label(status_frame,
text="Status:",
font="arial 12 bold")
status_label.pack(side=LEFT)
scrollbar = Scrollbar(status_frame, orient=VERTICAL)
self.status_display = Text(status_frame,
height=20,
yscrollcommand=scrollbar.set)
scrollbar.config(command=self.status_display.yview)
scrollbar.pack(side=RIGHT, fill=Y)
self.status_display.pack(side=LEFT, fill=BOTH, expand=1)
# ***************************************
# OSC CONFIGURATION
# ***************************************
def read_create_osc(self):
if self.osc_config.read(self.osc_config_file) is False:
self.osc_config.create(self.osc_config_file, 'slave')
eosc = OSCEditor(self.root, self.osc_config_file, 'slave',
'Create OSC Monitor Configuration')
self.osc_config.read(self.osc_config_file)
def edit_osc(self):
if self.osc_config.read(self.osc_config_file) is False:
self.osc_config.create(self.osc_config_file)
eosc = OSCEditor(self.root, self.osc_config_file, 'slave',
'Edit OSC Monitor Configuration')
class MediaShow:
# *******************
# External interface
# ********************
def __init__(self, show, canvas, showlist, pp_home, pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the dictionary fo the show to be played
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon = Monitor()
self.mon.on()
#instantiate arguments
self.show = show
self.showlist = showlist
self.canvas = canvas
self.pp_home = pp_home
self.pp_profile = pp_profile
# open resources
self.rr = ResourceReader()
# Init variables
self.player = None
self.shower = None
self._poll_for_interval_timer = None
self._poll_for_continue_timer = None
self._waiting_for_interval = False
self._interval_timer = None
self.error = False
self._interval_timer_signal = False
self._end_mediashow_signal = False
self._next_track_signal = False
self._previous_track_signal = False
self._play_child_signal = False
self._req_next = 'nil'
self._state = 'closed'
def play(self,
end_callback,
ready_callback=None,
top=False,
command='nil'):
""" displays the mediashow
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate the arguments
self._end_callback = end_callback
self._ready_callback = ready_callback
self.top = top
self.command = command
self.mon.log(self, "Starting show: " + self.show['show-ref'])
# check data files are available.
self.media_file = self.pp_profile + "/" + self.show['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self, "Medialist file not found: " + self.media_file)
self._end('error', "Medialist file not found")
#create a medialist for the mediashow and read it.
self.medialist = MediaList()
if self.medialist.open_list(self.media_file,
self.showlist.sissue()) == False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self._end('error', "Version of medialist different to Pi Presents")
self._wait_for_trigger()
# respond to key presses.
def key_pressed(self, key_name):
self.mon.log(self, "received key: " + key_name)
if key_name == '':
pass
elif key_name == 'escape':
# if next lower show is running pass down to stop the show and lower level
if self.shower <> None:
self.shower.key_pressed(key_name)
# if not at top stop the show
else:
if self.top == False:
self._end_mediashow_signal = True
# and if a track is running stop that first
if self.player <> None:
self.player.key_pressed(key_name)
else:
# at top level in a manual presentation stop the track
if self.show['progress'] == 'manual':
if self.player <> None:
self.player.key_pressed(key_name)
elif key_name in ('up', 'down'):
# if child or sub-show is running and is a show pass to show, track does not use up/down
# otherwise use keys for next or previous
if self.shower <> None:
self.shower.key_pressed(key_name)
else:
if key_name == 'up':
self._previous()
else:
self._next()
elif key_name == 'return':
# if child show or sub-show is running and is show - pass down- player does not use return
# ELSE use Return to start child or to start the show if waiting
if self.shower <> None:
self.shower.key_pressed(key_name)
else:
if self._state == 'playing':
if self.show['has-child'] == 'yes':
self._play_child_signal = True
# and stop the current track if its running
if self.player <> None:
self.player.key_pressed("escape")
else:
self._start_show()
elif key_name == 'pir':
self._start_show()
elif key_name in ('p', ' '):
# pass down if show or track running.
if self.shower <> None:
self.shower.key_pressed(key_name)
elif self.player <> None:
self.player.key_pressed(key_name)
def button_pressed(self, button, edge):
if button == 'play': self.key_pressed("return")
elif button == 'up': self.key_pressed("up")
elif button == 'down': self.key_pressed("down")
elif button == 'stop': self.key_pressed("escape")
elif button == 'pause': self.key_pressed('p')
elif button == 'PIR': self.key_pressed('pir')
# kill or error
def terminate(self, reason):
if self.shower <> None:
self.mon.log(self, "sent terminate to shower")
self.shower.terminate(reason)
elif self.player <> None:
self.mon.log(self, "sent terminate to player")
self.player.terminate(reason)
else:
self._end(reason,
'terminated without terminating shower or player')
def _tidy_up(self):
if self._poll_for_continue_timer <> None:
self.canvas.after_cancel(self._poll_for_continue_timer)
self._poll_for_continue_timer = None
if self._poll_for_interval_timer <> None:
self.canvas.after_cancel(self._poll_for_interval_timer)
self._poll_for_interval_timer = None
if self._interval_timer <> None:
self.canvas.after_cancel(self._interval_timer)
self._interval_timer = None
def resource(self, section, item):
value = self.rr.get(section, item)
if value == False:
self.mon.err(self,
"resource: " + section + ': ' + item + " not found")
self.terminate("error")
else:
return value
# ***************************
# Respond to key/button presses
# ***************************
def _stop(self, message):
self._end_mediashow_signal = True
if self._interval_timer <> None:
self.canvas.after_cancel(self._interval_timer)
def _next(self):
# stop track if running and set signal
self._next_track_signal = True
if self.shower <> None:
self.shower.key_pressed("escape")
else:
if self.player <> None:
self.player.key_pressed("escape")
def _previous(self):
self._previous_track_signal = True
if self.shower <> None:
self.shower.key_pressed("escape")
else:
if self.player <> None:
self.player.key_pressed("escape")
# ***************************
# end of show functions
# ***************************
def _end(self, reason, message):
self._end_mediashow_signal = False
self.mon.log(self, "Ending Mediashow: " + self.show['show-ref'])
self._tidy_up()
self._end_callback(reason, message)
self = None
return
# ***************************
# Show sequencer
# ***************************
def _wait_for_trigger(self):
self._state = 'waiting'
if self.ready_callback <> None:
self.ready_callback()
self.mon.log(self, "Waiting for trigger: " + self.show['trigger'])
if self.show['trigger'] == "button":
# blank screen waiting for trigger if auto, otherwise display something
if self.show['progress'] == "manual":
text = self.resource('mediashow', 'm01')
else:
text = ""
self.display_message(self.canvas, 'text', text, 0,
self._start_show)
elif self.show['trigger'] == "PIR":
# blank screen waiting for trigger
text = self.resource('mediashow', 'm02')
self.display_message(self.canvas, 'text', text, 0,
self._start_show)
elif self.show['trigger'] == "start":
self._start_show()
else:
self.mon.err(self, "Unknown trigger: " + self.show['trigger'])
self._end('error', "Unknown trigger type")
def _start_show(self):
self._state = 'playing'
self._direction = 'forward'
# start interval timer
if self.show[
'repeat'] == "interval" and self.show['repeat-interval'] <> 0:
self._interval_timer_signal = False
self._interval_timer = self.canvas.after(
int(self.show['repeat-interval']) * 1000,
self._end_interval_timer)
# and play the first track unless commanded otherwise
if self.command == 'backward':
self.medialist.finish()
else:
self.medialist.start()
self._play_selected_track(self.medialist.selected_track())
def _what_next(self):
self._direction = 'forward'
# user wants to end, wait for any shows or tracks to have ended then end show
if self._end_mediashow_signal == True:
if self.player == None and self.shower == None:
self._end_mediashow_signal = False
self._end('normal', "show ended by user")
else:
pass
#returning from a subshow needing to move onward
elif self._req_next == 'do-next':
self._req_next = 'nil'
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
#returning from a subshow needing to move backward
elif self._req_next == 'do-previous':
self._req_next = 'nil'
self._direction = 'backward'
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
# user wants to play child
elif self._play_child_signal == True:
self._play_child_signal = False
index = self.medialist.index_of_track('pp-child-show')
if index >= 0:
#don't select the track as need to preserve mediashow sequence.
child_track = self.medialist.track(index)
self._display_eggtimer(self.resource('mediashow', 'm07'))
self._play_selected_track(child_track)
else:
self.mon.err(
self, "Child show not found in medialist: " +
self.show['pp-child-show'])
self._end('error', "child show not found in medialist")
# skip to next track on user input
elif self._next_track_signal == True:
self._next_track_signal = False
if self.medialist.at_end() == True:
if self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'oneshot' and self.top == False:
self._end('do-next', "Return from Sub Show")
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
# skip to previous track on user input
elif self._previous_track_signal == True:
self._previous_track_signal = False
self._direction = 'backward'
if self.medialist.at_start() == True:
if self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'oneshot' and self.top == False:
self._end('do-previous', "Return from Sub Show")
else:
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
else:
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
# track is finished and we are on auto
elif self.show['progress'] == "auto":
if self.medialist.at_end() == True:
if self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'oneshot' and self.top == False:
self._end('do-next', "Return from Sub Show")
#### elif
elif self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'oneshot' and self.top == True:
self._wait_for_trigger()
elif self._waiting_for_interval == True:
if self._interval_timer_signal == True:
self._interval_timer_signal = False
self._waiting_for_interval = False
self._start_show()
else:
self._poll_for_interval_timer = self.canvas.after(
1000, self._what_next)
elif self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'interval' and int(
self.show['repeat-interval']) > 0:
self._waiting_for_interval = True
self._poll_for_interval_timer = self.canvas.after(
1000, self._what_next)
elif self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'interval' and int(
self.show['repeat-interval']) == 0:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
else:
self.mon.err(self, "Unhandled playing event: ")
self._end('error', "Unhandled playing event")
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
# track has finished and we are on manual progress
elif self.show['progress'] == "manual":
self._delete_eggtimer()
self._display_eggtimer(self.resource('mediashow', 'm03'))
self._poll_for_continue_timer = self.canvas.after(
500, self._what_next)
else:
#unhandled state
self.mon.err(self, "Unhandled playing event: ")
self._end('error', "Unhandled playing event")
def _end_interval_timer(self):
self._interval_timer_signal = True
# ***************************
# Dispatching to Players/Shows
# ***************************
# used to display internal messages in situations where a medialist entry could be used.
def display_message(self, canvas, source, content, duration,
_display_message_callback):
self._display_message_callback = _display_message_callback
tp = {
'duration': duration,
'message-colour': 'white',
'message-font': 'Helvetica 20 bold'
}
self.player = MessagePlayer(canvas, tp, tp)
self.player.play(content, self._display_message_end, None)
def _display_message_end(self, reason, message):
self.player = None
if reason in ('error', 'killed'):
self._end(reason, message)
else:
self._display_message_callback()
def complete_path(self, selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(self, "Track to play is: " + track_file)
return track_file
def _play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
self.canvas.delete(ALL)
if self.show['progress'] == "manual":
self._display_eggtimer(self.resource('mediashow', 'm04'))
# is menu required
if self.show['has-child'] == "yes":
enable_child = True
else:
enable_child = False
#dispatch track by type
self.player = None
self.shower = None
track_type = selected_track['type']
self.mon.log(self, "Track type is: " + track_type)
if track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.canvas, self.show, selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "image":
track_file = self.complete_path(selected_track)
# images played from menus don't have children
self.player = ImagePlayer(self.canvas, self.show, selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "message":
# bit odd because MessagePlayer is used internally to display text.
text = selected_track['text']
self.player = MessagePlayer(self.canvas, self.show, selected_track)
self.player.play(text,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self._end('error', "Unknown show")
if selected_show['type'] == "mediashow":
self.shower = MediaShow(selected_show, self.canvas,
self.showlist, self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,
top=False,
command=self._direction)
elif selected_show['type'] == "liveshow":
self.shower = LiveShow(selected_show, self.canvas,
self.showlist, self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower, top=False, command='nil')
elif selected_show['type'] == "menu":
self.shower = MenuShow(selected_show, self.canvas,
self.showlist, self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower, top=False, command='nil')
else:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self._end('error' "Unknown show type")
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self._end('error', "Unknown track type")
def ready_callback(self):
self._delete_eggtimer()
def end_player(self, reason, message):
self._req_next = 'nil'
self.mon.log(self, "Returned from player with message: " + message)
self.player = None
if reason in ("killed", "error"):
self._end(reason, message)
elif self.show['progress'] == "manual":
self._display_eggtimer(self.resource('mediashow', 'm05'))
self._req_next = reason
self._what_next()
else:
self._req_next = reason
self._what_next()
def end_shower(self, reason, message):
self._req_next = 'nil'
self.mon.log(self, "Returned from shower with message: " + message)
self.shower = None
if reason in ("killed", "error"):
self._end(reason, message)
elif self.show['progress'] == "manual":
self._display_eggtimer(self.resource('mediashow', 'm06'))
self._req_next = reason
self._what_next()
else:
self._req_next = reason
self._what_next()
def _display_eggtimer(self, text):
self.canvas.create_text(int(self.canvas['width']) / 2,
int(self.canvas['height']) / 2,
text=text,
fill='white',
font="Helvetica 20 bold")
self.canvas.update_idletasks()
def _delete_eggtimer(self):
self.canvas.delete(ALL)
class LiveShow:
NEW_TRACKS = {
'image': {
'title': 'New Image',
'track-ref': '',
'type': 'image',
'location': '',
'duration': '',
'transition': '',
'track-text': '',
'track-text-font': '',
'track-text-colour': '',
'track-text-x': '0',
'track-text-y': '0'
},
'video': {
'title': 'New Video',
'track-ref': '',
'type': 'video',
'location': '',
'omx-audio': ''
}
}
IMAGE_FILES = ('.gif', '.jpg', '.jpeg', '.bmp', '.png', '.tif')
VIDEO_FILES = ('.mp4', '.mkv', '.avi', '.mp2', '.wmv')
AUDIO_FILES = ('.mp3', '.wav', '.ogg')
# *******************
# External interface
# ********************
def __init__(self, show, canvas, showlist, pp_home, pp_profile):
""" canvas - the canvas that the show is to be written on
showlist - used jus to check the issue of medialist against showlist
show - the dictionary for the show to be played
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon = Monitor()
self.mon.on()
#instantiate arguments
self.show = show
self.showlist = showlist
self.canvas = canvas
self.pp_home = pp_home
self.pp_profile = pp_profile
# open resources
self.rr = ResourceReader()
# Init variables
self.player = None
self.shower = None
self._end_liveshow_signal = False
self._play_child_signal = False
self.error = False
self._livelist = None
self._new_livelist = None
def play(self,
end_callback,
ready_callback=None,
top=False,
command='nil'):
""" displays the liveshow
end_callback - function to be called when the liveshow exits
ready_callback - callback when liveshow is ready to display
top is True when the show is top level (i.e. run from start show)
"""
#instantiate the arguments
self._end_callback = end_callback
self._ready_callback = ready_callback
self.top = top
self.mon.log(self, "Starting show: " + self.show['show-ref'])
# check data files are available.
self.media_file = self.pp_profile + os.sep + self.show['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self, "Medialist file not found: " + self.media_file)
self._stop("Medialist file not found")
self.options = command_options()
self._pp_live_dir1 = self.pp_home + os.sep + 'pp_live_tracks'
if not os.path.exists(self._pp_live_dir1):
os.mkdir(self._pp_live_dir1)
self._pp_live_dir2 = ''
if self.options['liveshow'] <> "":
self._pp_live_dir2 = self.options['liveshow']
if not os.path.exists(self._pp_live_dir2):
self.mon.err(
self,
"live tracks directory not found " + self._pp_live_dir2)
self._end('error', "live tracks directory not found")
#create a medialist for the liveshow and read it.
# it should be empty of anonymous tracks but read it to check its version.
self.medialist = MediaList()
if self.medialist.open_list(self.media_file,
self.showlist.sissue()) == False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self._end('error', "Version of medialist different to Pi Presents")
if self.ready_callback <> None:
self.ready_callback()
self._play_first_track()
# respond to key presses.
def key_pressed(self, key_name):
self.mon.log(self, "received key: " + key_name)
if key_name == '':
pass
elif key_name == 'escape':
# if next lower show eor player is running pass down to stop the show/track
# ELSE stop this show except for exceptions
if self.shower <> None:
self.shower.key_pressed(key_name)
elif self.player <> None:
self.player.key_pressed(key_name)
else:
# not at top so stop the show
if self.top == False:
self._stop("exit show to higher level")
else:
pass
elif key_name in ('up', 'down'):
# if child or sub-show is running and is a show pass to show, track does not use up/down
if self.shower <> None:
self.shower.key_pressed(key_name)
elif key_name == 'return':
# if child show or sub-show is running and is show - pass down
# ELSE use Return to start child
if self.shower <> None:
self.shower.key_pressed(key_name)
else:
if self.show['has-child'] == "yes":
self._play_child()
elif key_name in ('p', ' '):
# pass down if show or track running.
if self.shower <> None:
self.shower.key_pressed(key_name)
elif self.player <> None:
self.player.key_pressed(key_name)
def button_pressed(self, button, edge):
if button == 'play': self.key_pressed("return")
elif button == 'up': self.key_pressed("up")
elif button == 'down': self.key_pressed("down")
elif button == 'stop': self.key_pressed("escape")
elif button == 'pause': self.key_pressed('p')
# kill or error
def terminate(self, reason):
if self.shower <> None:
self.mon.log(self, "sent terminate to shower")
self.shower.terminate(reason)
elif self.player <> None:
self.mon.log(self, "sent terminate to player")
self.player.terminate(reason)
else:
self._end(reason,
'terminated without terminating shower or player')
def _tidy_up(self):
pass
def resource(self, section, item):
value = self.rr.get(section, item)
if value == False:
self.mon.err(self,
"resource: " + section + ': ' + item + " not found")
self.terminate("error", 'Cannot find resource')
else:
return value
# ***************************
# Respond to key/button presses
# ***************************
def _stop(self, message):
self._end_liveshow_signal = True
def _play_child(self):
self._play_child_signal = True
if self.player <> None:
self.player.key_pressed("escape")
# ***************************
# end of show functions
# ***************************
def _end(self, reason, message):
self._end_liveshow_signal = False
self.mon.log(self, "Ending Liveshow: " + self.show['show-ref'])
self._tidy_up()
self._end_callback(reason, message)
self = None
return
def _nend(self):
self._end('normal', 'end from state machine')
# ***************************
# Livelist
# ***************************
def _livelist_add_track(self, afile):
(root, title) = os.path.split(afile)
(root, ext) = os.path.splitext(afile)
if ext.lower() in LiveShow.IMAGE_FILES:
self._livelist_new_track(LiveShow.NEW_TRACKS['image'], {
'title': title,
'track-ref': '',
'location': afile
})
if ext.lower() in LiveShow.VIDEO_FILES:
self._livelist_new_track(LiveShow.NEW_TRACKS['video'], {
'title': title,
'track-ref': '',
'location': afile
})
if ext.lower() in LiveShow.AUDIO_FILES:
self._livelist_new_track(LiveShow.NEW_TRACKS['video'], {
'title': title,
'track-ref': '',
'location': afile
})
def _livelist_new_track(self, fields, values):
new_track = fields
self._new_livelist.append(copy.deepcopy(new_track))
last = len(self._new_livelist) - 1
self._new_livelist[last].update(values)
def _new_livelist_create(self):
self._new_livelist = []
if os.path.exists(self._pp_live_dir1):
for file in os.listdir(self._pp_live_dir1):
file = self._pp_live_dir1 + os.sep + file
(root_file, ext_file) = os.path.splitext(file)
if ext_file.lower(
) in LiveShow.IMAGE_FILES + LiveShow.VIDEO_FILES + LiveShow.AUDIO_FILES:
self._livelist_add_track(file)
if os.path.exists(self._pp_live_dir2):
for file in os.listdir(self._pp_live_dir2):
file = self._pp_live_dir2 + os.sep + file
(root_file, ext_file) = os.path.splitext(file)
if ext_file.lower(
) in LiveShow.IMAGE_FILES + LiveShow.VIDEO_FILES + LiveShow.AUDIO_FILES:
self._livelist_add_track(file)
self._new_livelist = sorted(
self._new_livelist,
key=lambda track: os.path.basename(track['location']).lower())
# for it in self._new_livelist:
# print it['location']
# print ''
def _livelist_replace_if_changed(self):
self._new_livelist_create()
if self._new_livelist <> self._livelist:
self._livelist = copy.deepcopy(self._new_livelist)
self._livelist_index = 0
def _livelist_next(self):
if self._livelist_index == len(self._livelist) - 1:
self._livelist_index = 0
else:
self._livelist_index += 1
# ***************************
# Play Loop
# ***************************
def _play_first_track(self):
self._new_livelist_create()
self._livelist = copy.deepcopy(self._new_livelist)
self._livelist_index = 0
self._play_track()
def _play_track(self):
self._livelist_replace_if_changed()
if len(self._livelist) > 0:
self._play_selected_track(self._livelist[self._livelist_index])
else:
self.display_message(self.canvas, None,
self.resource('liveshow', 'm01'), 5,
self._what_next)
def _what_next(self):
# user wants to end
if self._end_liveshow_signal == True:
self._end_liveshow_signal = False
self._end('normal', "show ended by user")
# play child?
elif self._play_child_signal == True:
self._play_child_signal = False
index = self.medialist.index_of_track('pp-child-show')
if index >= 0:
#don't select the track as need to preserve mediashow sequence.
child_track = self.medialist.track(index)
self._display_eggtimer(self.resource('liveshow', 'm02'))
self._play_selected_track(child_track)
else:
self.mon.err(
self, "Child show not found in medialist: " +
self.show['pp-child-show'])
self._end('error', "child show not found in medialist")
# otherwise loop to next track
else:
self._livelist_next()
self._play_track()
# ***************************
# Dispatching to Players/Shows
# ***************************
# used to display internal messages in situations where a medialist entry could not be used.
def display_message(self, canvas, source, content, duration,
_display_message_callback):
self._display_message_callback = _display_message_callback
tp = {
'duration': duration,
'message-colour': 'white',
'message-font': 'Helvetica 20 bold'
}
self.player = MessagePlayer(canvas, tp, tp)
self.player.play(content, self._display_message_end, None)
def _display_message_end(self, reason, message):
self.player = None
if reason in ("killed", 'error'):
self._end(reason, message)
else:
self._display_message_callback()
def complete_path(self, selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(self, "Track to play is: " + track_file)
return track_file
def _play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected_track is a dictionary for the track/show
"""
# self.canvas.delete(ALL)
# is menu required
if self.show['has-child'] == "yes":
enable_child = True
else:
enable_child = False
#dispatch track by type
self.player = None
self.shower = None
track_type = selected_track['type']
self.mon.log(self, "Track type is: " + track_type)
if track_type == "image":
track_file = self.complete_path(selected_track)
# images played from menus don't have children
self.player = ImagePlayer(self.canvas, self.show, selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.canvas, self.show, selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self._stop("Unknown show")
if selected_show['type'] == "mediashow":
self.shower = MediaShow(selected_show, self.canvas,
self.showlist, self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower, top=False, command='nil')
elif selected_show['type'] == "menu":
self.shower = MenuShow(selected_show, self.canvas,
self.showlist, self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower, top=False, command='nil')
else:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self._stop("Unknown show type")
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self._stop("Unknown track type")
def ready_callback(self):
self._delete_eggtimer()
def end_player(self, reason, message):
self.mon.log(self, "Returned from player with message: " + message)
self.player = None
if reason in ("killed", "error"):
self._end(reason, message)
else:
self._what_next()
def end_shower(self, reason, message):
self.mon.log(self, "Returned from shower with message: " + message)
self.shower = None
if reason in ("killed", "error"):
self._end(reason, message)
else:
self._what_next()
def _display_eggtimer(self, text):
self.canvas.create_text(int(self.canvas['width']) / 2,
int(self.canvas['height']) / 2,
text=text,
fill='white',
font="Helvetica 20 bold")
self.canvas.update_idletasks()
def _delete_eggtimer(self):
self.canvas.delete(ALL)
class MediaShow:
# *******************
# External interface
# ********************
def __init__(self, show_params, root, canvas, showlist, pp_dir, pp_home,
pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the dictionary fo the show to be played
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon = Monitor()
self.mon.on()
#instantiate arguments
self.show_params = show_params
self.showlist = showlist
self.root = root
self.canvas = canvas
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
# open resources
self.rr = ResourceReader()
# Init variables
self.player = None
self.shower = None
self.poll_for_interval_timer = None
self.poll_for_continue_timer = None
self.waiting_for_interval = False
self.interval_timer = None
self.duration_timer = None
self.error = False
self.interval_timer_signal = False
self.end_trigger_signal = False
self.end_mediashow_signal = False
self.next_track_signal = False
self.previous_track_signal = False
self.play_child_signal = False
self.req_next = 'nil'
#create and instance of TimeOfDay scheduler so we can add events
self.tod = TimeOfDay()
self.state = 'closed'
def play(self,
show_id,
end_callback,
show_ready_callback,
top=False,
command='nil'):
""" displays the mediashow
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate the arguments
self.show_id = show_id
self.end_callback = end_callback
self.show_ready_callback = show_ready_callback
self.top = top
self.command = command
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Starting show")
# check data files are available.
self.media_file = self.pp_profile + "/" + self.show_params['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self, "Medialist file not found: " + self.media_file)
self.end('error', "Medialist file not found")
#create a medialist for the mediashow and read it.
self.medialist = MediaList()
if self.medialist.open_list(self.media_file,
self.showlist.sissue()) == False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self.end('error', "Version of medialist different to Pi Presents")
#get controls for this show if top level
controlsmanager = ControlsManager()
if self.top == True:
self.controls_list = controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list = controlsmanager.merge_show_controls(
self.controls_list, self.show_params['controls'])
#set up the time of day triggers for the show
if self.show_params['trigger'] in ('time', 'time-quiet'):
error_text = self.tod.add_times(self.show_params['trigger-input'],
id(self), self.tod_start_callback,
self.show_params['trigger'])
if error_text <> '':
self.mon.err(self, error_text)
self.end('error', error_text)
if self.show_params['trigger-end'] == 'time':
# print self.show_params['trigger-end-time']
error_text = self.tod.add_times(
self.show_params['trigger-end-time'], id(self),
self.tod_end_callback, 'n/a')
if error_text <> '':
self.mon.err(self, error_text)
self.end('error', error_text)
if self.show_params['trigger-end'] == 'duration':
error_text = self.calculate_duration(
self.show_params['trigger-end-time'])
if error_text <> '':
self.mon.err(self, error_text)
self.end('error', error_text)
self.state = 'closed'
self.egg_timer = None
self.wait_for_trigger()
# ********************************
# Respond to external events
# ********************************
#stop received from another concurrent show
def managed_stop(self):
# if next lower show is running pass down to stop the show and lower level
if self.shower <> None:
self.shower.managed_stop()
else:
#stop the show if not at top
self.end_mediashow_signal = True
# and if track is runing stop that first
if self.player <> None:
self.player.input_pressed('stop')
# kill or error
def terminate(self, reason):
if self.shower <> None:
self.shower.terminate(reason)
elif self.player <> None:
self.player.terminate(reason)
else:
self.end(reason,
' terminated with no shower or player to terminate')
# respond to input events
def input_pressed(self, symbol, edge, source):
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": received input: " + symbol)
# check symbol against mediashow triggers, triggers can be used at top or lower level
# and not affected by disable-controls
if self.state == 'waiting' and self.show_params['trigger'] in (
'input',
'input-quiet') and symbol == self.show_params['trigger-input']:
self.start_show()
elif self.state == 'playing' and self.show_params[
'trigger-next'] == 'input' and symbol == self.show_params[
'next-input']:
self.next()
# internal functions are triggered only when disable-controls is 'no'
if self.show_params['disable-controls'] == 'yes':
return
# if at top convert symbolic name to operation otherwise lower down we have received an operation
# look through list of standard symbols to find match (symbolic-name, function name) operation =lookup (symbol
if self.top == True:
operation = self.lookup_control(symbol, self.controls_list)
else:
operation = symbol
# print 'operation',operation
self.do_operation(operation, edge, source)
#service the standard inputs for this show
def do_operation(self, operation, edge, source):
if self.shower <> None:
# if next lower show is running pass down to stop the show and lower level
self.shower.input_pressed(operation, edge, source)
else:
# control this show and its tracks
# print 'operation',operation
if operation == 'stop':
if self.top == False:
# not at top so stop the current show
self.end_mediashow_signal = True
# and if a track is running stop that first
if self.player <> None:
self.player.input_pressed('stop')
else:
# top = True, just stop track if running
if self.player <> None:
self.player.input_pressed('stop')
elif operation in ('up', 'down'):
#if playing rather than waiting use keys for next or previous
if operation == 'up' and self.state == 'playing':
self.previous()
else:
self.next()
elif operation == 'play':
# use 'play' to start child if state=playing or to trigger the show if waiting for trigger
if self.state == 'playing':
if self.show_params['has-child'] == 'yes':
self.play_child_signal = True
self.child_track_ref = 'pp-child-show'
# and stop the current track if its running
if self.player <> None:
self.player.input_pressed('stop')
else:
if self.state == 'waiting':
self.start_show()
elif operation == 'pause':
if self.player <> None:
self.player.input_pressed(operation)
#if the operation is omxplayer or mplayer runtime control then pass it to player if running
elif operation[0:4] == 'omx-' or operation[
0:6] == 'mplay-' or operation[0:5] == 'uzbl-':
if self.player <> None:
self.player.input_pressed(operation)
def lookup_control(self, symbol, controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
# ***************************
# Show sequencer
# ***************************
def end_interval_timer(self):
self.interval_timer_signal = True
# callback from time of day scheduler
def tod_start_callback(self):
if self.state == 'waiting' and self.show_params['trigger'] in (
'time', 'time-quiet'):
self.start_show()
def tod_end_callback(self):
if self.state == 'playing' and self.show_params['trigger-end'] in (
'time', 'duration'):
self.end_trigger_signal = True
if self.shower <> None:
self.shower.input_pressed('stop')
elif self.player <> None:
self.player.input_pressed('stop')
def stop(self, message):
self.end_mediashow_signal = True
if self.interval_timer <> None:
self.canvas.after_cancel(self.interval_timer)
def next(self):
# stop track if running and set signal
self.next_track_signal = True
if self.shower <> None:
self.shower.input_pressed("stop")
else:
if self.player <> None:
self.player.input_pressed("stop")
def previous(self):
self.previous_track_signal = True
if self.shower <> None:
self.shower.input_pressed("stop")
else:
if self.player <> None:
self.player.input_pressed("stop")
# wait for trigger sets the state to waiting so that events can do a start show.
def wait_for_trigger(self):
self.state = 'waiting'
if self.show_ready_callback <> None:
self.show_ready_callback()
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Waiting for trigger: " + self.show_params['trigger'])
if self.show_params['trigger'] == "input":
# blank screen waiting for trigger if auto, otherwise display something
if self.show_params['progress'] == "manual":
text = self.resource('mediashow', 'm01')
else:
text = self.resource('mediashow', 'm02')
self.display_message(self.canvas, 'text', text, 0, self.start_show)
elif self.show_params['trigger'] == "input-quiet":
# blank screen waiting for trigger
text = self.resource('mediashow', 'm10')
self.display_message(self.canvas, 'text', text, 0, self.start_show)
pass
elif self.show_params['trigger'] in ('time', 'time-quiet'):
# show next show notice
quiet = 3
# if next show is this one display text
next_show = self.tod.next_event_time()
if next_show[quiet] == False:
if next_show[1] == 'tomorrow':
text = self.resource('mediashow', 'm09')
else:
text = self.resource('mediashow', 'm08')
text = text.replace('%tt', next_show[0])
self.display_message(self.canvas, 'text', text, 0,
self.start_show)
elif self.show_params['trigger'] == "start":
self.start_show()
else:
self.mon.err(self,
"Unknown trigger: " + self.show_params['trigger'])
self.end('error', "Unknown trigger type")
def start_show(self):
self.state = 'playing'
self.direction = 'forward'
# self.canvas.delete(ALL)
# start interval timer
if self.show_params['repeat'] == "interval" and self.show_params[
'repeat-interval'] <> 0:
self.interval_timer_signal = False
self.interval_timer = self.canvas.after(
int(self.show_params['repeat-interval']) * 1000,
self.end_interval_timer)
# start duration timer
if self.show_params['trigger-end'] == 'duration':
# print 'set alarm ', self.duration
self.duration_timer = self.canvas.after(self.duration * 1000,
self.tod_end_callback)
# and play the first track unless commanded otherwise
if self.command == 'backward':
self.medialist.finish()
else:
self.medialist.start()
self.play_selected_track(self.medialist.selected_track())
def what_next(self):
self.direction = 'forward'
# end of show trigger caused by tod
if self.end_trigger_signal == True:
self.end_trigger_signal = False
if self.top == True:
self.state = 'waiting'
self.wait_for_trigger()
else:
# not at top so stop the show
self.end('normal', 'sub-show end time trigger')
# user wants to end, wait for any shows or tracks to have ended then end show
# probalby will get here with end_m set when player and shower has finished
elif self.end_mediashow_signal == True:
if self.player == None and self.shower == None:
self.end_mediashow_signal = False
self.end('normal', "show ended by user")
#returning from a subshow needing to move onward
elif self.req_next == 'do-next':
self.req_next = 'nil'
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
#returning from a subshow needing to move backward
elif self.req_next == 'do-previous':
self.req_next = 'nil'
self.direction = 'backward'
self.medialist.previous(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# user wants to play child
elif self.play_child_signal == True:
self.play_child_signal = False
index = self.medialist.index_of_track(self.child_track_ref)
if index >= 0:
#don't use select the track as need to preserve mediashow sequence.
child_track = self.medialist.track(index)
self.display_eggtimer(self.resource('mediashow', 'm07'))
self.play_selected_track(child_track)
else:
self.mon.err(
self, "Child show not found in medialist: " +
self.show_params['pp-child-show'])
self.end('error', "child show not found in medialist")
# skip to next track on user input
elif self.next_track_signal == True:
self.next_track_signal = False
if self.medialist.at_end() == True:
if self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'oneshot' and self.top == False:
self.end('do-next', "Return from Sub Show")
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'single-run' and self.top == False:
self.end('do-next', "Return from Sub Show")
else:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
else:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# skip to previous track on user input
elif self.previous_track_signal == True:
self.previous_track_signal = False
self.direction = 'backward'
if self.medialist.at_start() == True:
if self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'oneshot' and self.top == False:
self.end('do-previous', "Return from Sub Show")
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'single-run' and self.top == False:
self.end('do-previous', "Return from Sub Show")
else:
self.medialist.previous(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
else:
self.medialist.previous(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# track is finished and we are on auto
elif self.show_params['progress'] == "auto":
if self.medialist.at_end() == True:
# oneshot
if self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'oneshot' and self.top == False:
self.end('normal', "End of Oneshot in subshow")
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'oneshot' and self.top == True:
self.wait_for_trigger()
# single run
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'single-run' and self.top == True:
self.end('normal', "End of Single Run")
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'single-run' and self.top == False:
self.end('do-next',
"End of single run - Return from Sub Show")
# repeating and waiting to restart
elif self.waiting_for_interval == True:
if self.interval_timer_signal == True:
self.interval_timer_signal = False
self.waiting_for_interval = False
self.start_show()
else:
self.poll_for_interval_timer = self.canvas.after(
1000, self.what_next)
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'interval' and int(
self.show_params['repeat-interval']) > 0:
self.waiting_for_interval = True
self.poll_for_interval_timer = self.canvas.after(
1000, self.what_next)
#elif self.show_params['sequence']=="ordered" and self.show_params['repeat']=='interval' and int(self.show_params['repeat-interval'])==0:
elif self.show_params['repeat'] == 'interval' and int(
self.show_params['repeat-interval']) == 0:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# shuffling so there is no end condition
elif self.show_params['sequence'] == "shuffle":
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
else:
self.mon.err(
self, "Unhandled playing event: " +
self.show_params['sequence'] + ' with ' +
self.show_params['repeat'] + " of " +
self.show_params['repeat-interval'])
self.end('error', "Unhandled playing event")
else:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# track has finished and we are on manual progress
elif self.show_params['progress'] == "manual":
self.delete_eggtimer()
self.canvas.delete('pp-content')
if self.show_params['trigger-next'] == 'input':
self.display_eggtimer(self.resource('mediashow', 'm03'))
self.poll_for_continue_timer = self.canvas.after(
2000, self.what_next)
else:
#unhandled state
self.mon.err(self, "Unhandled playing event: ")
self.end('error', "Unhandled playing event")
# ***************************
# Dispatching to Players/Shows
# ***************************
def ready_callback(self):
self.delete_eggtimer()
def play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
self.delete_eggtimer()
if self.show_params['progress'] == "manual":
self.display_eggtimer(self.resource('mediashow', 'm04'))
# is menu required
if self.show_params['has-child'] == "yes":
self.enable_child = True
else:
self.enable_child = False
#dispatch track by type
self.player = None
self.shower = None
track_type = selected_track['type']
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Track type is: " + track_type)
if track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "audio":
# create a audioplayer
track_file = self.complete_path(selected_track)
self.player = AudioPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "web":
# create a browser
track_file = self.complete_path(selected_track)
self.player = BrowserPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "image":
track_file = self.complete_path(selected_track)
# images played from menus don't have children
self.player = ImagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "message":
# bit odd because MessagePlayer is used internally to display text.
text = selected_track['text']
self.player = MessagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self.end('error', "Unknown show")
if selected_show['type'] == "mediashow":
self.shower = MediaShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command=self.direction)
elif selected_show['type'] == "liveshow":
self.shower = LiveShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "radiobuttonshow":
self.shower = RadioButtonShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "hyperlinkshow":
self.shower = HyperlinkShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "menu":
self.shower = MenuShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
else:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self.end('error' "Unknown show type")
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self.end('error', "Unknown track type")
def end_player(self, reason, message):
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Returned from player with message: " + message)
self.player = None
self.req_next = 'nil'
if reason in ("killed", "error"):
self.end(reason, message)
else:
# elif>else move to what-next?
if self.show_params['progress'] == "manual":
self.display_eggtimer(self.resource('mediashow', 'm05'))
self.req_next = reason
self.what_next()
else:
self.req_next = reason
self.what_next()
def end_shower(self, show_id, reason, message):
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Returned from shower with message: " + message)
self.shower = None
self.req_next = 'nil'
if reason in ("killed", "error"):
self.end(reason, message)
else:
if self.show_params['progress'] == "manual":
self.display_eggtimer(self.resource('mediashow', 'm06'))
self.req_next = reason
self.what_next()
else:
self.req_next = reason
self.what_next()
# ***************************
# end of show
# ***************************
def end(self, reason, message):
self.end_mediashow_signal = False
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Ending Mediashow")
self.tidy_up()
self.end_callback(self.show_id, reason, message)
self = None
return
def tidy_up(self):
#clear outstanding time of day events for this show
# self.tod.clear_times_list(id(self))
if self.poll_for_continue_timer <> None:
self.canvas.after_cancel(self.poll_for_continue_timer)
self.poll_for_continue_timer = None
if self.poll_for_interval_timer <> None:
self.canvas.after_cancel(self.poll_for_interval_timer)
self.poll_for_interval_timer = None
if self.interval_timer <> None:
self.canvas.after_cancel(self.interval_timer)
self.interval_timer = None
if self.duration_timer <> None:
self.canvas.after_cancel(self.duration_timer)
self.duration_timer = None
# ***************************
# displaying things
# ***************************
def display_eggtimer(self, text):
self.canvas.create_text(int(self.canvas['width']) / 2,
int(self.canvas['height']) / 2,
text=text,
fill='white',
font="Helvetica 20 bold",
tag='pp-eggtimer')
self.canvas.update_idletasks()
def delete_eggtimer(self):
self.canvas.delete('pp-eggtimer')
self.canvas.update_idletasks()
# used to display internal messages in situations where a medialist entry could not be used.
def display_message(self, canvas, source, content, duration,
_display_message_callback):
self.display_message_callback = _display_message_callback
tp = {
'duration': duration,
'message-colour': 'white',
'message-font': 'Helvetica 20 bold',
'background-colour': '',
'message-justify': 'left',
'background-image': '',
'show-control-begin': '',
'show-control-end': '',
'animate-begin': '',
'animate-clear': '',
'animate-end': '',
'message-x': '',
'message-y': '',
'display-show-background': 'no',
'display-show-text': 'no',
'show-text': '',
'track-text': '',
'plugin': ''
}
self.player = MessagePlayer(self.show_id, self.root, canvas, tp, tp,
self.pp_dir, self.pp_home, self.pp_profile)
self.player.play(content, self.showlist, self.display_message_end,
None, False)
def display_message_end(self, reason, message):
self.player = None
if reason in ('error', 'killed'):
self.end(reason, message)
else:
self.display_message_callback()
# ***************************
# utilities
# ***************************
def calculate_duration(self, line):
fields = line.split(':')
if len(fields) == 1:
secs = fields[0]
minutes = '0'
hours = '0'
if len(fields) == 2:
secs = fields[1]
minutes = fields[0]
hours = '0'
if len(fields) == 3:
secs = fields[2]
minutes = fields[1]
hours = fields[0]
self.duration = 3600 * long(hours) + 60 * long(minutes) + long(secs)
return ''
def resource(self, section, item):
value = self.rr.get(section, item)
if value == False:
self.mon.err(self,
"resource: " + section + ': ' + item + " not found")
self.terminate("error")
else:
return value
def complete_path(self, selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file <> '' and track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Track to play is: " + track_file)
return track_file
class Show(object):
# ******************************
# init a show
# ******************************
def base__init__(self, show_id, show_params, root, canvas, showlist,
pp_dir, pp_home, pp_profile, command_callback):
# instantiate arguments
self.show_id = show_id
self.show_params = show_params
self.root = root
self.show_canvas = canvas
self.canvas = canvas['canvas-obj']
self.show_canvas_x1 = canvas['show-canvas-x1']
self.show_canvas_y1 = canvas['show-canvas-y1']
self.show_canvas_x2 = canvas['show-canvas-x2']
self.show_canvas_y2 = canvas['show-canvas-y2']
self.show_canvas_width = canvas['show-canvas-width']
self.show_canvas_height = canvas['show-canvas-height']
self.show_canvas_centre_x = canvas['show-canvas-centre-x']
self.show_canvas_centre_y = canvas['show-canvas-centre-y']
self.showlist = showlist
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
self.command_callback = command_callback
# init things that will then be reinitialised by derived classes
self.medialist = None
# set up logging
self.mon = Monitor()
self.mon.set_log_level(16)
# create and instance of TimeOfDay scheduler so we can add events
self.tod = TimeOfDay()
# create an instance of showmanager so we can init child/subshows
self.show_manager = ShowManager(self.show_id, self.showlist,
self.show_params, self.root,
self.show_canvas, self.pp_dir,
self.pp_profile, self.pp_home)
# init variables
self.current_player = None
self.previous_player = None
self.shower = None
self.previous_shower = None
self.user_stop_signal = False
self.exit_signal = False
self.terminate_signal = False
self.show_timeout_signal = False
self.egg_timer = None
self.admin_message = None
self.ending_reason = ''
self.background_obj = None
self.background_file = ''
self.level = 0
self.subshow_kickback_signal = False
self.kickback_for_next_track = False
# get background image from profile.
# print 'background', self.show_params['background-image']
if self.show_params['background-image'] != '':
self.background_file = self.show_params['background-image']
def base_play(self, end_callback, show_ready_callback,
parent_kickback_signal, level, controls_list):
""" starts the common parts of the show
end_callback - function to be called when the show exits- callback gets last player of subshow
show_ready_callback - callback at start to get previous_player
top is True when the show is top level (run from [start] or by show command from another show)
direction_command - 'forward' or 'backward' direction to play a subshow
"""
# instantiate the arguments
self.end_callback = end_callback
self.show_ready_callback = show_ready_callback
self.parent_kickback_signal = parent_kickback_signal
self.level = level
# not needed as controls list is not passed down to subshows.
# self.controls_list=controls_list
self.mon.trace(
self,
self.show_params['show-ref'] + ' at level ' + str(self.level))
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Starting show")
# check data files are available.
if self.show_params['medialist'] == '':
self.mon.err(self,
"Blank Medialist in: " + self.show_params['title'])
self.end('error',
"Blank Medialist in: " + self.show_params['title'])
self.medialst_file = self.pp_profile + "/" + self.show_params[
'medialist']
if not os.path.exists(self.medialst_file):
self.mon.err(self,
"Medialist file not found: " + self.medialst_file)
self.end('error',
"Medialist file not found: " + self.medialst_file)
# read the medialist for the show
if self.medialist.open_list(self.medialst_file,
self.showlist.sissue()) is False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self.end('error', "Version of medialist different to Pi Presents")
if self.show_ready_callback is not None:
# get the previous player from calling show its stored in current because its going to be shuffled before use
self.previous_shower, self.current_player = self.show_ready_callback(
)
self.mon.trace(
self, ' - previous shower and player is ' +
self.mon.pretty_inst(self.previous_shower) + ' ' +
self.mon.pretty_inst(self.current_player))
#load the show background
reason, message = Show.base_load_show_background(self)
if reason == 'error':
self.mon.err(self, message)
self.end('error', message)
# dummy, must be overidden by derived class
def subshow_ready_callback(self):
self.mon.err(self, "subshow_ready_callback not overidden")
# set what to do when closed or unloaded
self.ending_reason = 'killed'
Show.base_close_or_unload(self)
def base_subshow_ready_callback(self):
# callback from begining of a subshow, provide previous player to called show
# used by show_ready_callback of called show
# in the case of a menushow last track is always the menu
self.mon.trace(
self, ' - sends ' + self.mon.pretty_inst(self.previous_player))
return self, self.previous_player
def base_shuffle(self):
self.previous_player = self.current_player
self.current_player = None
self.mon.trace(
self, ' - LOOP STARTS WITH current is: ' +
self.mon.pretty_inst(self.current_player))
self.mon.trace(
self, ' - previous is: ' +
self.mon.pretty_inst(self.previous_player))
def base_load_track_or_show(self, selected_track, loaded_callback,
end_shower_callback, enable_menu):
track_type = selected_track['type']
if track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index < 0:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self.end('error',
'show not in showlist: ' + selected_track['sub-show'])
else:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
self.shower = self.show_manager.init_subshow(
self.show_id, selected_show, self.show_canvas)
self.mon.trace(
self, ' - show is: ' + self.mon.pretty_inst(self.shower) +
' ' + selected_show['show-ref'])
if self.shower is None:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self.terminate_signal = True
self.what_next_after_showing()
else:
# empty controls list as not used, pleases landscape
# print 'send direction to subshow from show',self.kickback_for_next_track
# Show.base_withdraw_show_background(self)
self.shower.play(end_shower_callback,
self.subshow_ready_callback,
self.kickback_for_next_track,
self.level + 1, [])
else:
# dispatch track by type
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Track type is: " + track_type)
self.current_player = self.base_init_selected_player(
selected_track)
#menu has no track file
if selected_track['type'] == 'menu':
track_file = ''
# messageplayer passes the text not a file name
elif selected_track['type'] == 'message':
track_file = selected_track['text']
else:
track_file = self.base_complete_path(
selected_track['location'])
self.mon.trace(self, ' - track is: ' + track_file)
self.mon.trace(
self, ' - current_player is: ' +
self.mon.pretty_inst(self.current_player))
self.current_player.load(track_file,
loaded_callback,
enable_menu=enable_menu)
# DUMMY, must be overidden by derived class
def what_next_after_showing(self):
self.mon.err(self, "what_next_after showing not overidden")
# set what to do when closed or unloaded
self.ending_reason = 'killed'
Show.base_close_or_unload(self)
def base_init_selected_player(self, selected_track):
# dispatch track by type
track_type = selected_track['type']
self.mon.log(self, "Track type is: " + track_type)
if track_type == "image":
return ImagePlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "video":
return VideoPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "audio":
return AudioPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "web" and self.show_params['type'] not in (
'artmediashow', 'artliveshow'):
return BrowserPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "message":
return MessagePlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "menu":
return MenuPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end, self.command_callback)
else:
return None
# DUMMY, must be overidden by derived class
def track_ready_callback(self, track_background):
self.mon.err(self, "track_ready_callback not overidden")
# set what to do when closed or unloaded
self.ending_reason = 'killed'
Show.base_close_or_unload(self)
# called just before a track is shown to remove the previous track from the screen
# and if necessary close it
def base_track_ready_callback(self, enable_show_background):
self.mon.trace(self, '')
# show the show background done for every track but quick operation
if enable_show_background is True:
self.base_show_show_background()
else:
self.base_withdraw_show_background()
# !!!!!!!!! withdraw the background from the parent show
if self.previous_shower != None:
self.previous_shower.base_withdraw_show_background()
# close the player from the previous track
if self.previous_player is not None:
self.mon.trace(
self, ' - hiding previous: ' +
self.mon.pretty_inst(self.previous_player))
self.previous_player.hide()
# print 'Not None - previous state is',self.previous_player.get_play_state()
if self.previous_player.get_play_state() == 'showing':
# print 'showing so closing previous'
# showing or frozen
self.mon.trace(
self, ' - closing previous: ' +
self.mon.pretty_inst(self.previous_player))
self.previous_player.close(self._base_closed_callback_previous)
else:
self.mon.trace(self, ' - previous is none\n')
self.previous_player = None
self.canvas.update_idletasks()
def _base_closed_callback_previous(self, status, message):
self.mon.trace(
self, ' - previous is None - was: ' +
self.mon.pretty_inst(self.previous_player))
self.previous_player = None
# used by end_shower to get the last track of the subshow
def base_end_shower(self):
self.mon.trace(self, ' - returned back to level: ' + str(self.level))
# get the previous subshow and last track it played
self.previous_shower, self.current_player = self.shower.base_subshow_ended_callback(
)
if self.previous_shower != None:
self.subshow_kickback_signal = self.shower.subshow_kickback_signal
# print 'get subshow kickback from subshow',self.subshow_kickback_signal
self.previous_shower.base_withdraw_show_background()
self.base_show_show_background()
self.previous_player = None
self.mon.trace(
self, '- get previous_player from subshow: ' +
self.mon.pretty_inst(self.current_player))
self.shower = None
# close or unload the current player when ending the show
def base_close_or_unload(self):
self.mon.trace(self, self.mon.pretty_inst(self.current_player))
# need to test for None because player may be made None by subshow lower down the stack for terminate
if self.current_player is not None:
self.mon.trace(self, self.current_player.get_play_state())
if self.current_player.get_play_state() in ('loaded', 'showing',
'show-failed'):
if self.current_player.get_play_state() == 'loaded':
self.mon.trace(
self,
' - unloading current from: ' + self.ending_reason)
self.current_player.unload()
else:
self.mon.trace(
self, ' - closing current from: ' + self.ending_reason)
self.current_player.close(None)
self._wait_for_end()
else:
# current_player is None because closed further down show stack
self.mon.trace(
self, ' - show ended with current_player=None because: ' +
self.ending_reason)
# if exiting pipresents then need to close previous show else get memotry leak
# if not exiting pipresents the keep previous so it can be closed when showing the next track
# print 'CURRENT PLAYER IS NONE' ,self.ending_reason
if self.ending_reason == 'killed':
self.base_close_previous()
elif self.ending_reason == 'error':
self.base_close_previous()
elif self.ending_reason == 'exit':
self.end('normal', "show quit by exit command")
elif self.ending_reason == 'user-stop':
self.end('normal', "show quit by stop operation")
else:
self.mon.fatal(
self, "Unhandled ending_reason: " + self.ending_reason)
self.end('error',
"Unhandled ending_reason: " + self.ending_reason)
def _base_closed_callback_current(self, status, message):
self.mon.trace(
self, ' current is None - was: ' +
self.mon.pretty_inst(self.current_player))
# wait for unloading or closing to complete then end
def _wait_for_end(self):
self.mon.trace(self, self.mon.pretty_inst(self.current_player))
if self.current_player is not None:
self.mon.trace(
self,
' - play state is ' + self.current_player.get_play_state())
if self.current_player.play_state not in ('unloaded', 'closed',
'load-failed'): ####
self.canvas.after(50, self._wait_for_end)
else:
self.mon.trace(
self, ' - current closed ' +
self.mon.pretty_inst(self.current_player) + ' ' +
self.ending_reason)
#why is some of thsi different to close and unload????????????? perhaps because current_player isn't none, just closed
if self.ending_reason == 'killed':
self.current_player.hide()
self.current_player = None
self.base_close_previous()
elif self.ending_reason == 'error':
self.current_player.hide()
self.current_player = None
self.base_close_previous()
elif self.ending_reason == 'exit':
self.current_player.hide()
self.current_player = None
self.base_close_previous()
elif self.ending_reason == 'change-medialist':
self.current_player.hide()
self.current_player = None
# self.base_close_previous()
# go to start of list via wait for trigger.
self.wait_for_trigger()
elif self.ending_reason == 'show-timeout':
self.current_player.hide()
self.current_player = None
self.end('normal', "show timeout")
elif self.ending_reason == 'user-stop':
if self.level != 0:
self.end('normal', "show quit by stop operation")
else:
self.current_player.hide()
self.current_player = None
self.base_close_previous()
else:
self.mon.fatal(
self, "Unhandled ending_reason: " + self.ending_reason)
self.end('error',
"Unhandled ending_reason: " + self.ending_reason)
else:
self.mon.trace(
self, ' - current is None ' +
self.mon.pretty_inst(self.current_player) + ' ' +
self.ending_reason)
# ***************************
# end of show
# ***************************
# dummy, normally overidden by derived class
def end(self, reason, message):
self.mon.err(self, "end not overidden")
self.base_end('error', message)
def base_end(self, reason, message):
self.base_withdraw_show_background()
self.base_delete_show_background()
self.mon.trace(
self, ' at level ' + str(self.level) + '\n - Current is ' +
self.mon.pretty_inst(self.current_player) + '\n - Previous is ' +
self.mon.pretty_inst(self.previous_player) + '\n with reason' +
reason + '\n\n')
self.mon.log(
self, self.show_params['show-ref'] + ' Show Id: ' +
str(self.show_id) + ": Ending Show")
self.end_callback(self.show_id, reason, message)
self = None
def base_subshow_ended_callback(self):
# called by end_shower of a parent show to get the last track of the subshow and the subshow
self.mon.trace(
self, ' - returns ' + self.mon.pretty_inst(self.current_player))
return self, self.current_player
# ********************************
# Respond to external events
# ********************************
def base_close_previous(self):
self.mon.trace(self, '')
# close the player from the previous track
if self.previous_player is not None:
self.mon.trace(
self, ' - previous not None ' +
self.mon.pretty_inst(self.previous_player))
if self.previous_player.get_play_state() == 'showing':
# showing or frozen
self.mon.trace(
self, ' - closing previous ' +
self.mon.pretty_inst(self.previous_player))
self.previous_player.close(self._base_close_previous_callback)
else:
self.mon.trace(self, 'previous is not showing')
self.previous_player.hide()
self.previous_player = None
self.end(self.ending_reason, '')
else:
self.mon.trace(self, ' - previous is None')
self.end(self.ending_reason, '')
def _base_close_previous_callback(self, status, message):
self.mon.trace(
self, ' - previous is None - was ' +
self.mon.pretty_inst(self.previous_player))
self.previous_player.hide()
self.previous_player = None
self.end(self.ending_reason, '')
# exit received from external source
def base_exit(self):
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Exit received")
self.mon.trace(self, '')
# set signal to exit the show when all sub-shows and players have ended
self.exit_signal = True
# then stop subshow or tracks.
if self.shower is not None:
self.shower.exit()
elif self.current_player is not None:
self.current_player.input_pressed('stop')
else:
self.end('normal', 'exit by ShowManager')
# show timeout callback received
def base_show_timeout_stop(self):
self.mon.trace(self, '')
# set signal to exit the show when all sub-shows and players have ended
self.show_timeout_signal = True
# then stop and shows or tracks.
if self.shower is not None:
self.shower.show_timeout_stop()
elif self.current_player is not None:
self.current_player.input_pressed('stop')
else:
self.end('normal', 'stopped by Show Timeout')
# dummy, normally overidden by derived class
def terminate(self):
self.mon.err(self, "terminate not overidden")
self.base_end('error', "terminate not overidden")
# terminate Pi Presents
def base_terminate(self):
self.mon.trace(self, '')
# set signal to stop the show when all sub-shows and players have ended
self.terminate_signal = True
if self.shower is not None:
self.shower.terminate()
elif self.current_player is not None:
self.ending_reason = 'killed'
Show.base_close_or_unload(self)
else:
self.end('killed',
' terminated with no shower or player to terminate')
# respond to input events
def base_handle_input_event(self, symbol):
self.mon.log(
self, self.show_params['show-ref'] + ' Show Id: ' +
str(self.show_id) + ": received input event: " + symbol)
if self.shower is not None:
self.shower.handle_input_event(symbol)
else:
self.handle_input_event_this_show(symbol)
#dummy must be overridden in derived class
def handle_input_event_this_show(self, symbol):
self.mon.err(self, "input_pressed_this_show not overidden")
self.ending_reason = 'killed'
Show.base_close_or_unload(self)
def base_load_show_background(self):
# load show background image
if self.background_file != '':
background_img_file = self.base_complete_path(self.background_file)
if not os.path.exists(background_img_file):
return 'error', "Show background file not found " + background_img_file
else:
pil_background_img = Image.open(background_img_file)
# print 'pil_background_img ',pil_background_img
image_width, image_height = pil_background_img.size
window_width = self.show_canvas_width
window_height = self.show_canvas_height
if image_width != window_width or image_height != window_height:
pil_background_img = pil_background_img.resize(
(window_width, window_height))
self.background = ImageTk.PhotoImage(pil_background_img)
del pil_background_img
# print 'self.background ',self.background
self.background_obj = self.canvas.create_image(
self.show_canvas_x1,
self.show_canvas_y1,
image=self.background,
anchor=NW)
self.canvas.itemconfig(self.background_obj, state='hidden')
self.canvas.update_idletasks()
# print '\nloaded background_obj: ',self.background_obj
return 'normal', 'show background loaded'
else:
return 'normal', 'no backgound to load'
def base_show_show_background(self):
if self.background_obj is not None:
# print 'show show background'
self.canvas.itemconfig(self.background_obj, state='normal')
# self.canvas.update_idletasks( )
def base_withdraw_show_background(self):
self.mon.trace(self, '')
if self.background_obj is not None:
# print 'withdraw background obj', self.background_obj
self.canvas.itemconfig(self.background_obj, state='hidden')
# self.canvas.update_idletasks( )
def base_delete_show_background(self):
if self.background_obj is not None:
# print 'delete background obj'
self.canvas.delete(self.background_obj)
self.background = None
# self.canvas.update_idletasks( )
# ******************************
# write statiscics
# *********************************
def write_stats(self, command, show_params, next_track):
# action, this ref, this name, type, ref, name, location
if next_track['type'] == 'show':
# get the show from the showlist
index = self.showlist.index_of_show(next_track['sub-show'])
if index < 0:
self.mon.err(
self,
"Show not found in showlist: " + next_track['sub-show'])
self.end('error',
'show not in showlist: ' + next_track['sub-show'])
else:
target = self.showlist.show(index)
ref = target['show-ref']
title = target['title']
track_type = target['type']
else:
# its a track
ref = next_track['track-ref']
title = next_track['title']
track_type = next_track['type']
if next_track['type'] in ('show', 'message'):
loc = ''
else:
loc = next_track['location']
self.mon.stats(show_params['type'], show_params['show-ref'],
show_params['title'], command, track_type, ref, title,
loc)
# ******************************
# lookup controls
# *********************************
def base_lookup_control(self, symbol, controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
# not found so must be a trigger
return ''
# ******************************
# Eggtimer
# *********************************
def display_eggtimer(self):
text = self.show_params['eggtimer-text']
if text != '':
self.egg_timer = self.canvas.create_text(
int(self.show_params['eggtimer-x']) + self.show_canvas_x1,
int(self.show_params['eggtimer-y']) + self.show_canvas_y1,
text=text,
fill=self.show_params['eggtimer-colour'],
font=self.show_params['eggtimer-font'],
anchor='nw')
self.canvas.update_idletasks()
def delete_eggtimer(self):
if self.egg_timer is not None:
self.canvas.delete(self.egg_timer)
self.egg_timer = None
self.canvas.update_idletasks()
# ******************************
# Display Admin Messages
# *********************************
def display_admin_message(self, text):
self.admin_message = self.canvas.create_text(
int(self.show_params['admin-x']) + self.show_canvas_x1,
int(self.show_params['admin-y']) + self.show_canvas_y1,
text=text,
fill=self.show_params['admin-colour'],
font=self.show_params['admin-font'],
anchor='nw')
self.canvas.update_idletasks()
def delete_admin_message(self):
if self.admin_message is not None:
self.canvas.delete(self.admin_message)
self.canvas.update_idletasks()
# ******************************
# utilities
# ******************************
def base_complete_path(self, track_file):
# complete path of the filename of the selected entry
if track_file != '' and track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(self, "Track to load is: " + track_file)
return track_file
def calculate_duration(self, line):
fields = line.split(':')
if len(fields) == 1:
secs = fields[0]
minutes = '0'
hours = '0'
if len(fields) == 2:
secs = fields[1]
minutes = fields[0]
hours = '0'
if len(fields) == 3:
secs = fields[2]
minutes = fields[1]
hours = fields[0]
if not secs.isdigit() or not minutes.isdigit() or not hours.isdigit():
return 'error', 'bad time: ' + line, 0
else:
return 'normal', '', 3600 * long(hours) + 60 * long(
minutes) + long(secs)
class Animate(object):
"""
allows players to put events, which request the change of state of pins, into a queue. Events are executed at the required time.
using the interface to an output driver.
"""
# constants for sequencer events list
name = 0 # GPIO pin number, the xx in P1-xx
param_type = 1
param_values = 2 # off , on
time = 3 # time since the epoch in seconds
tag = 4 # tag used to delete all matching events, usually a track reference.
event_template = ['', '', '', 0, None]
# CLASS VARIABLES (Animate.)
events = []
last_poll_time = 0
# executed by main program and by each object using animate
def __init__(self):
self.mon = Monitor()
# executed once from main program
def init(self, pp_dir, pp_home, pp_profile, widget, sequencer_tick,
event_callback):
# instantiate arguments
self.widget = widget #something to hang 'after' on
self.pp_dir = pp_dir
self.pp_profile = pp_profile
self.pp_home = pp_home
self.sequencer_tick = sequencer_tick
self.event_callback = event_callback
# Initialise time used by sequencer
Animate.sequencer_time = long(time.time())
# init timer
self.sequencer_tick_timer = None
# called by main program only
def terminate(self):
if self.sequencer_tick_timer is not None:
self.widget.after_cancel(self.sequencer_tick_timer)
self.clear_events_list(None)
# ************************************************
# output sequencer
# ************************************************
# called by main program only
def poll(self):
poll_time = long(time.time())
# is current time greater than last time the scheduler was run (previous second or more)
# run in a loop to catch up because root.after can get behind when images are being rendered etc.
while Animate.sequencer_time <= poll_time:
# kick off output pin sequencer
self.do_sequencer()
Animate.sequencer_time += 1
# and loop the polling
self.sequencer_tick_timer = self.widget.after(self.sequencer_tick,
self.poll)
# execute events at the appropriate time and remove from list (runs from main program only)
# runs through list a number of times because of problems with pop messing up list
def do_sequencer(self):
# print 'sequencer run for: ' + str(sequencer_time) + ' at ' + str(long(time.time()))
while True:
event_found = False
for index, item in enumerate(Animate.events):
if item[Animate.time] <= Animate.sequencer_time:
event = Animate.events.pop(index)
event_found = True
self.send_event(event[Animate.name],
event[Animate.param_type],
event[Animate.param_values],
item[Animate.time])
break
if event_found is False: break
def send_event(self, name, param_type, param_values, req_time):
self.mon.log(
self, 'send event ' + name + ' ' + param_type + ' ' +
' '.join(param_values))
self.event_callback(name, param_type, param_values, req_time)
# ************************************************
# output sequencer interface methods
# these can be called from many classes so need to operate on class variables
# ************************************************
def animate(self, text, tag):
lines = text.split("\n")
for line in lines:
reason, message, delay, name, param_type, param_values = self.parse_animate_fields(
line)
if reason == 'error':
return 'error', message
if name != '':
self.add_event(name, param_type, param_values, delay, tag)
return 'normal', 'events processed'
def add_event(self, name, param_type, param_values, delay, tag):
poll_time = long(time.time())
# prepare the event
event = Animate.event_template
event[Animate.name] = name
event[Animate.param_type] = param_type
event[Animate.param_values] = param_values
event[Animate.time] = delay + poll_time #+1?
event[Animate.tag] = tag
# print '\nadd event ',event
# find the place in the events list and insert
# first item in the list is earliest, if two have the same time then last to be added is fired last.
# events are fired from top of list
abs_time = poll_time + delay
# print 'new event',abs_time
copy_event = copy.deepcopy(event)
length = len(Animate.events)
if length == 0:
Animate.events.append(copy_event)
# print 'append to empty ist',abs_time
return copy_event
else:
index = length - 1
if abs_time > Animate.events[index][Animate.time]:
Animate.events.append(copy_event)
# print 'append to end of list if greater than last item',abs_time
return copy_event
while index != -1:
if abs_time == Animate.events[index][Animate.time]:
Animate.events.insert(index + 1, copy_event)
# print 'insert after if equal',abs_time
return copy_event
if abs_time > Animate.events[index][Animate.time]:
Animate.events.insert(index + 1, copy_event)
# print 'insert after if later',abs_time
return copy_event
if index == 0:
Animate.events.insert(index, copy_event)
# print 'insert before if at start of list',abs_time
return copy_event
index -= 1
# print 'error at start of list',abs_time
def print_events(self):
print 'events list'
for event in Animate.events:
print 'EVENT: ', event
# remove all the events with the same tag, usually a track reference
def remove_events(self, tag):
left = []
for item in Animate.events:
if tag != item[Animate.tag]:
left.append(item)
Animate.events = left
# self.print_events()
# clear event list
def clear_events_list(self, tag):
self.mon.log(self, 'clear events list ')
# empty event list
Animate.events = []
# [delay],symbol,type,values(one or more)
def parse_animate_fields(self, line):
if line == '':
return 'normal', 'no fields', '', '', [], 0
# split the line using "" for text with spaces
for l in csv.reader([line],
delimiter=' ',
skipinitialspace=True,
quotechar='"'):
fields = l
if len(fields) == 0:
return 'normal', 'no fields', '', '', [], 0
elif len(fields) < 3:
return 'error', 'too few fields in : ' + line, '', '', [], 0
delay_text = fields[0]
# check each field
if not delay_text.isdigit():
return 'error', 'Delay is not an integer in : ' + line, '', '', [], 0
else:
delay = int(delay_text)
name = fields[1]
if len(fields) == 2:
param_type = ''
params = []
else:
param_type = fields[2]
params = []
for index in range(3, len(fields)):
param = fields[index]
params.append(param)
# print 'event parsed OK',delay,name,param_type,params
return 'normal', 'event parsed OK', delay, name, param_type, params
class TimeOfDay(object):
# CLASS VARIABLES
# change this for another language
DAYS_OF_WEEK = [
'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday',
'sunday'
]
"""
TimeOfDay.events is a dictionary the keys being show-refs.
Each dictionary entry is a list of time_elements sorted by descending time
Each time element is a list with the fields:
0 - command
1 - time, seconds since midnight
"""
events = {
} # list of times of day used to generate callbacks, earliest first
# executed by main program and by each object using tod
def __init__(self):
self.mon = Monitor()
# executed once from main program only
def init(self, pp_dir, pp_home, pp_profile, showlist, root, callback):
# instantiate arguments
TimeOfDay.root = root
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
self.showlist = showlist
self.callback = callback
# init variables
self.testing = False
self.tod_tick = 500
self.tick_timer = None
# set time of day for if no schedule
TimeOfDay.now = datetime.now().replace(microsecond=0)
# read and error check the schedule
reason, message, schedule_enabled = self.read_schedule()
if reason == 'error':
return 'error', message, False
if schedule_enabled is False:
return 'normal', '', False
#create the initial events list
if self.simulate_time is True:
year = int(self.sim_year)
month = int(self.sim_month)
day = int(self.sim_day)
hour = int(self.sim_hour)
minute = int(self.sim_minute)
second = int(self.sim_second)
TimeOfDay.now = datetime(day=day,
month=month,
year=year,
hour=hour,
minute=minute,
second=second)
self.testing = True
print '\nInitial SIMULATED time', TimeOfDay.now.ctime()
self.mon.sched(
self, TimeOfDay.now, 'Testing is ON, Initial SIMULATED time ' +
str(TimeOfDay.now.ctime()))
else:
#get the current date/time only this once
TimeOfDay.now = datetime.now().replace(microsecond=0)
self.mon.sched(
self, TimeOfDay.now, 'Testing is OFF, Initial REAL time ' +
str(TimeOfDay.now.ctime()))
# print '\nInitial REAL time',TimeOfDay.now.ctime()
self.testing = False
# print 'init',TimeOfDay.now
TimeOfDay.last_now = TimeOfDay.now - timedelta(seconds=1)
reason, message = self.build_schedule_for_today()
if reason == 'error':
return 'error', message, False
self.mon.sched(self, TimeOfDay.now, self.pretty_todays_schedule())
if self.testing:
self.print_todays_schedule()
self.build_events_lists()
if self.testing:
self.print_events_lists()
# and do exitpipresents or start any show that should be running at start up time
self.do_catchup()
return 'normal', '', True
def do_catchup(self):
TimeOfDay.scheduler_time = TimeOfDay.now.time()
# do the catchup for each real show in turn
# nothing required for start show, all previous events are just ignored.
for show_ref in TimeOfDay.events:
if show_ref != 'start' and self.enable_catchup[show_ref] == 'yes':
if self.testing:
print 'Catch Up', show_ref
times = TimeOfDay.events[show_ref]
# go through the event list for a show rembering show state until the first future event is found.
# then if last command was to start the show send it
show_running = False
last_start_element = []
for time_element in reversed(times):
# print 'now', now_seconds, 'time from events', time_element[1], time_element[0]
# got past current time can give up catch up
if time_element[1] >= TimeOfDay.scheduler_time:
# print ' gone past time - break'
break
if time_element[0] == 'open':
last_start_element = time_element
# print 'open - show-running= true'
show_running = True
elif time_element[0] == 'close':
# print 'close - show-running= false'
show_running = False
if show_running is True:
#if self.testing:
# print 'End of Catch Up Search', show_ref,last_start_element
self.mon.sched(
self, TimeOfDay.now, 'Catch up for show: ' + show_ref +
' requires ' + last_start_element[0] + ' ' +
str(last_start_element[1]))
self.do_event(show_ref, last_start_element)
return 'not exiting'
# called by main program only
def poll(self):
if self.testing:
poll_time = TimeOfDay.now
else:
poll_time = datetime.now()
# print 'poll time: ',poll_time.time(),'scheduler time: ',TimeOfDay.now.time()
# if poll_time != TimeOfDay.now : print 'times different ',poll_time.time(),TimeOfDay.now.time()
# is current time greater than last time the scheduler was run
# run in a loop to catch up because root.after can get behind when images are being rendered etc.
# poll time can be the same twice as poll is run at half second intervals.
catchup_time = 0
while TimeOfDay.now <= poll_time:
if TimeOfDay.now - TimeOfDay.last_now != timedelta(seconds=1):
print 'POLL TIME FAILED', TimeOfDay.last_now, TimeOfDay.now
#if catchup_time != 0:
# print 'scheduler behind by: ',catchup_time, TimeOfDay.now.time(),poll_time.time()
self.do_scheduler()
TimeOfDay.last_now = TimeOfDay.now
catchup_time += 1
# print 'poll',TimeOfDay.now, timedelta(seconds=1)
TimeOfDay.now = TimeOfDay.now + timedelta(seconds=1)
# and loop
if self.testing:
self.tick_timer = TimeOfDay.root.after(1000, self.poll)
else:
self.tick_timer = TimeOfDay.root.after(self.tod_tick, self.poll)
# called by main program only
def terminate(self):
if self.tick_timer is not None:
TimeOfDay.root.after_cancel(self.tick_timer)
self.clear_events_lists()
# execute events at the appropriate time.
# called by main program only
def do_scheduler(self):
# if its midnight then build the events lists for the new day
TimeOfDay.scheduler_time = TimeOfDay.now.time()
if TimeOfDay.scheduler_time == time(hour=0, minute=0, second=0):
# if self.testing:
# print 'Its midnight, today is now', TimeOfDay.now.ctime()
self.mon.sched(
self, TimeOfDay.now,
'Its midnight, today is now ' + str(TimeOfDay.now.ctime()))
reason, message = self.build_schedule_for_today()
if reason == 'error':
self.mon.err(self, 'system error- illegal time at midnight')
return
self.mon.sched(self, TimeOfDay.now, self.pretty_todays_schedule())
# if self.testing:
# self.print_todays_schedule()
self.build_events_lists()
# self.mon.sched(self,TimeOfDay.now,self.pretty_events_lists())
# self.print_events_lists()
# print TimeOfDay.scheduler_time
for show_ref in TimeOfDay.events:
# print 'scheduler time match', show_ref
times = TimeOfDay.events[show_ref]
# now send a command if time matches
for time_element in reversed(times):
# print time_element[1],TimeOfDay.scheduler_time
if time_element[1] == TimeOfDay.scheduler_time:
self.do_event(show_ref, time_element)
# execute an event
def do_event(self, show_ref, time_element):
self.mon.log(
self, 'Event : ' + time_element[0] + ' ' + show_ref +
' required at: ' + time_element[1].isoformat())
self.mon.sched(
self, TimeOfDay.now, ' ToD Scheduler : ' + time_element[0] + ' ' +
show_ref + ' required at: ' + time_element[1].isoformat())
if self.testing:
print 'Event : ' + time_element[
0] + ' ' + show_ref + ' required at: ' + time_element[
1].isoformat()
if show_ref != 'start':
self.callback(time_element[0] + ' ' + show_ref)
else:
self.callback(time_element[0])
#
# ************************************************
# The methods below can be called from many classes so need to operate on class variables
# ************************************************
# clear events list
def clear_events_lists(self):
self.mon.log(self, 'clear time of day events list ')
# empty event list
TimeOfDay.events = {}
# ***********************************
# Preparing schedule and todays event list
# ************************************
def read_schedule(self):
# get schedule from showlist
index = self.showlist.index_of_start_show()
self.showlist.select(index)
starter_show = self.showlist.selected_show()
sched_enabled = starter_show['sched-enable']
if sched_enabled != 'yes':
return 'normal', '', False
if starter_show['simulate-time'] == 'yes':
self.simulate_time = True
self.sim_second = starter_show['sim-second']
if not self.sim_second.isdigit():
return 'error', 'Simulate time - second is not a positive integer ' + self.sim_second, False
if int(self.sim_second) > 59:
return 'error', 'Simulate time - second is out of range ' + self.sim_second, False
self.sim_minute = starter_show['sim-minute']
if not self.sim_minute.isdigit():
return 'error', 'Simulate time - minute is not a positive integer ' + self.sim_minute, False
if int(self.sim_minute) > 59:
return 'error', 'Simulate time - minute is out of range ' + self.sim_minute, False
self.sim_hour = starter_show['sim-hour']
if not self.sim_hour.isdigit():
return 'error', 'Simulate time - hour is not a positive integer ' + self.sim_hour, False
if int(self.sim_hour) > 23:
return 'error', 'Simulate time - hour is out of range ' + self.sim_hour, False
self.sim_day = starter_show['sim-day']
if not self.sim_day.isdigit():
return 'error', 'Simulate time - day is not a positive integer ' + self.sim_day, False
if int(self.sim_day) > 31:
return 'error', 'Simulate time - day is out of range ' + self.sim_day, False
self.sim_month = starter_show['sim-month']
if not self.sim_month.isdigit():
return 'error', 'Simulate time - month is not a positive integer ' + self.sim_month, False
if int(self.sim_month) > 12:
return 'error', 'Simulate time - month is out of range ' + self.sim_month, False
self.sim_year = starter_show['sim-year']
if not self.sim_year.isdigit():
return 'error', 'Simulate time - year is not a positive integer ' + self.sim_year, False
if int(self.sim_year) < 2019:
return 'error', 'Simulate time - year is out of range ' + self.sim_year, False
else:
self.simulate_time = False
return 'normal', '', True
def build_schedule_for_today(self):
# print this_day.year, this_day.month, this_day.day, TimeOfDay.DAYS_OF_WEEK[ this_day.weekday()]
"""
self.todays_schedule is a dictionary the keys being show-refs.
Each dictionary entry is a list of time_elements
Each time element is a list with the fields:
0 - command
1 - time hour:min[:sec]
"""
self.enable_catchup = {}
self.todays_schedule = {}
for index in range(self.showlist.length()):
show = self.showlist.show(index)
show_type = show['type']
show_ref = show['show-ref']
if show['type'] != 'start':
self.enable_catchup[show_ref] = show['enable-catchup']
# print 'looping build ',show_type,show_ref,self.showlist.length()
if 'sched-everyday' in show:
text = show['sched-everyday']
lines = text.splitlines()
while len(lines) != 0:
status, message, day_lines, lines = self.get_one_day(
lines, show_ref)
if status == 'error':
return 'error', message
status, message, days_list, times_list = self.parse_day(
day_lines, 'everyday', show_ref, show_type)
if status == 'error':
return 'error', message
#print 'everyday ',status,message,days_list,times_list
self.todays_schedule[show['show-ref']] = copy.deepcopy(
times_list)
# print '\nafter everyday'
# self.print_todays_schedule()
if 'sched-weekday' in show:
text = show['sched-weekday']
lines = text.splitlines()
while len(lines) != 0:
status, message, day_lines, lines = self.get_one_day(
lines, show_ref)
if status == 'error':
return 'error', message
status, message, days_list, times_list = self.parse_day(
day_lines, 'weekday', show_ref, show_type)
if status == 'error':
return 'error', message
#print 'weekday ',status,message,days_list,times_list
# is current day of the week in list of days in schedule
if TimeOfDay.DAYS_OF_WEEK[
TimeOfDay.now.weekday()] in days_list:
self.todays_schedule[show['show-ref']] = copy.deepcopy(
times_list)
#print '\nafter weekday'
#self.print_todays_schedule()
if 'sched-monthday' in show:
text = show['sched-monthday']
lines = text.splitlines()
while len(lines) != 0:
status, message, day_lines, lines = self.get_one_day(
lines, show_ref)
# print 'in monthday',day_lines
if status == 'error':
return 'error', message
status, message, days_list, times_list = self.parse_day(
day_lines, 'monthday', show_ref, show_type)
if status == 'error':
return 'error', message
#print 'monthday ',status,message,days_list,times_list
if TimeOfDay.now.day in map(int, days_list):
self.todays_schedule[show['show-ref']] = copy.deepcopy(
times_list)
#print '\nafter monthday'
#self.print_todays_schedule()
if 'sched-specialday' in show:
text = show['sched-specialday']
lines = text.splitlines()
while len(lines) != 0:
status, message, day_lines, lines = self.get_one_day(
lines, show_ref)
if status == 'error':
return 'error', message
status, message, days_list, times_list = self.parse_day(
day_lines, 'specialday', show_ref, show_type)
if status == 'error':
return 'error', message
# print 'specialday ',status,message,days_list,times_list
for day in days_list:
sdate = datetime.strptime(day, '%Y-%m-%d')
if sdate.year == TimeOfDay.now.year and sdate.month == TimeOfDay.now.month and sdate.day == TimeOfDay.now.day:
self.todays_schedule[
show['show-ref']] = copy.deepcopy(times_list)
#print '\nafter specialday'
#self.print_todays_schedule()
# print self.enable_catchup
return 'normal', ''
def get_one_day(self, lines, show_ref):
this_day = []
left_over = []
#print 'get one day',lines
# check first line is day and move tt output
#print lines[0]
if not lines[0].startswith('day'):
return 'error', 'first line of section is not day ' + lines[
0] + ' ' + show_ref, [], []
this_day = [lines[0]]
#print ' this day',this_day
left_over = lines[1:]
# print 'left over',left_over
x_left_over = lines[1:]
for line in x_left_over:
#print 'in loop',line
if line.startswith('day'):
# print 'one day day',this_day,left_over
return 'normal', '', this_day, left_over
this_day.append(line)
left_over = left_over[1:]
# print 'one day end',this_day,left_over
return 'normal', '', this_day, left_over
def parse_day(self, lines, section, show_ref, show_type):
# text
# day monday
# open 1:42
# close 1:45
# returns status,message,list of days,list of time lines
if section == 'everyday':
status, message, days_list = self.parse_everyday(
lines[0], show_ref)
elif section == 'weekday':
status, message, days_list = self.parse_weekday(lines[0], show_ref)
elif section == 'monthday':
# print 'parse_day',lines
status, message, days_list = self.parse_monthday(
lines[0], show_ref)
elif section == 'specialday':
status, message, days_list = self.parse_specialday(
lines[0], show_ref)
else:
return 'error','illegal section name '+section + ' '+ show_ref,[],[]
if status == 'error':
return 'error', message, [], []
if len(lines) > 1:
time_lines = lines[1:]
status, message, times_list = self.parse_time_lines(
time_lines, show_ref, show_type)
if status == 'error':
return 'error', message, [], []
else:
times_list = []
return 'normal', '', days_list, times_list
def parse_everyday(self, line, show_ref):
words = line.split()
if words[0] != 'day':
return 'error','day line does not contain day '+ line + ' ' + show_ref,[]
if words[1] != 'everyday':
return 'error','everday line does not contain everyday '+ show_ref,[]
return 'normal', '', ['everyday']
def parse_weekday(self, line, show_ref):
words = line.split()
if words[0] != 'day':
return 'error','day line does not contain day ' + line + ' ' + show_ref,[]
days = words[1:]
for day in days:
if day not in TimeOfDay.DAYS_OF_WEEK:
return 'error','weekday line has illegal day '+ day + ' '+ show_ref,[]
return 'normal', '', days
def parse_monthday(self, line, show_ref):
words = line.split()
if words[0] != 'day':
return 'error', 'day line does not contain day ' + show_ref, []
days = words[1:]
for day in days:
if not day.isdigit():
return 'error','monthday line has illegal day '+ day + ' '+ show_ref,[]
if int(day) < 1 or int(day) > 31:
return 'error','monthday line has out of range day '+ line+ ' '+ show_ref,[]
return 'normal', '', days
def parse_specialday(self, line, show_ref):
words = line.split()
if words[0] != 'day':
return 'error', 'day line does not contain day ' + show_ref, []
days = words[1:]
for day in days:
status, message = self.parse_date(day, show_ref)
if status == 'error':
return 'error', message, ''
return 'normal', '', days
def parse_time_lines(self, lines, show_ref, show_type):
# lines - list of lines each with text 'command time'
# returns list of lists each being [command, time]
time_lines = []
for line in lines:
# split line into time,command
words = line.split()
if len(words) < 2:
return 'error','time line has wrong length '+ line+ ' '+ show_ref,[]
status, message, time_item = self.parse_time(words[0], show_ref)
if status == 'error':
return 'error', message, []
if show_type == 'start':
command = ' '.join(words[1:])
time_lines.append([command, time_item])
else:
if words[1] not in ('open', 'close'):
return 'error','illegal command in '+ line+ ' '+ show_ref,[]
time_lines.append([words[1], time_item])
return 'normal', '', time_lines
def build_events_lists(self):
# builds events dictionary from todays_schedule by
# converting times in todays schedule from hour:min:sec to datetime
# and sorts them earliest last
TimeOfDay.events = {}
for show_ref in self.todays_schedule:
# print show_ref
times = self.todays_schedule[show_ref]
for time_element in times:
time_element[1] = self.parse_event_time(time_element[1])
sorted_times = sorted(times,
key=lambda time_element: time_element[1],
reverse=True)
TimeOfDay.events[show_ref] = sorted_times
# print times
def parse_event_time(self, time_text):
fields = time_text.split(':')
if len(fields) > 2:
secs = int(fields[2])
else:
secs = 0
hours = int(fields[0])
mins = int(fields[1])
return time(hour=hours, minute=mins, second=secs)
def parse_time(self, item, show_ref):
fields = item.split(':')
if len(fields) == 0:
return 'error', 'Time field is empty ' + item + ' ' + show_ref, item
if len(fields) > 3:
return 'error', 'Too many fields in ' + item + ' ' + show_ref, item
if len(fields) == 1:
seconds = fields[0]
minutes = '0'
hours = '0'
if len(fields) == 2:
seconds = fields[1]
minutes = fields[0]
hours = '0'
if len(fields) == 3:
seconds = fields[2]
minutes = fields[1]
hours = fields[0]
if not seconds.isdigit() or not minutes.isdigit() or not hours.isdigit(
):
return 'error', 'Fields of ' + item + ' are not positive integers ' + show_ref, item
if int(minutes) > 59:
return 'error', 'Minutes of ' + item + ' is out of range ' + show_ref, item
if int(seconds) > 59:
return 'error', 'Seconds of ' + item + ' is out of range ' + show_ref, item
if int(hours) > 23:
return 'error', 'Hours of ' + item + ' is out of range ' + show_ref, item
return 'normal', '', item
def parse_date(self, item, show_ref):
fields = item.split('-')
if len(fields) == 0:
return 'error', 'Date field is empty ' + item + ' ' + show_ref
if len(fields) != 3:
return 'error', 'Too many or few fields in date ' + item + ' ' + show_ref
year = fields[0]
month = fields[1]
day = fields[2]
if not year.isdigit() or not month.isdigit() or not day.isdigit():
return 'error', 'Fields of ' + item + ' are not positive integers ' + show_ref
if int(year) < 2018:
return 'error', 'Year of ' + item + ' is out of range ' + show_ref + year
if int(month) > 12:
return 'error', 'Month of ' + item + ' is out of range ' + show_ref
if int(day) > 31:
return 'error', 'Day of ' + item + ' is out of range ' + show_ref
return 'normal', ''
# *********************
# print for debug
# *********************
def pretty_todays_schedule(self):
op = 'Schedule For ' + TimeOfDay.now.ctime() + '\n'
for key in self.todays_schedule:
op += ' ' + key + '\n'
for show in self.todays_schedule[key]:
op += ' ' + show[0] + ': ' + str(show[1]) + '\n'
op += '\n'
return op
def pretty_events_lists(self):
op = ' Task list for today'
for key in self.events:
op += '\n' + key
for show in self.events[key]:
op += '\n ' + show[0] + ' ' + str(show[1].isoformat())
return op
def print_todays_schedule(self):
print '\nSchedule For ' + TimeOfDay.now.ctime()
for key in self.todays_schedule:
print ' ' + key
for show in self.todays_schedule[key]:
print ' ' + show[0] + ': ' + show[1]
print
def print_events_lists(self):
print '\nTask list for today'
for key in self.events:
print '\n', key
for show in self.events[key]:
print show[0], show[1].isoformat()
print
class PiPresents(object):
def pipresents_version(self):
vitems=self.pipresents_issue.split('.')
if len(vitems)==2:
# cope with 2 digit version numbers before 1.3.2
return 1000*int(vitems[0])+100*int(vitems[1])
else:
return 1000*int(vitems[0])+100*int(vitems[1])+int(vitems[2])
def __init__(self):
# gc.set_debug(gc.DEBUG_UNCOLLECTABLE|gc.DEBUG_INSTANCES|gc.DEBUG_OBJECTS|gc.DEBUG_SAVEALL)
gc.set_debug(gc.DEBUG_UNCOLLECTABLE|gc.DEBUG_SAVEALL)
self.pipresents_issue="1.3.5"
self.pipresents_minorissue = '1.3.5d'
# position and size of window without -f command line option
self.nonfull_window_width = 0.45 # proportion of width
self.nonfull_window_height= 0.7 # proportion of height
self.nonfull_window_x = 0 # position of top left corner
self.nonfull_window_y=0 # position of top left corner
StopWatch.global_enable=False
# set up the handler for SIGTERM
signal.signal(signal.SIGTERM,self.handle_sigterm)
# ****************************************
# Initialisation
# ***************************************
# get command line options
self.options=command_options()
# get Pi Presents code directory
pp_dir=sys.path[0]
self.pp_dir=pp_dir
if not os.path.exists(pp_dir+"/pipresents.py"):
if self.options['manager'] is False:
tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
exit(102)
# Initialise logging and tracing
Monitor.log_path=pp_dir
self.mon=Monitor()
# Init in PiPresents only
self.mon.init()
# uncomment to enable control of logging from within a class
# Monitor.enable_in_code = True # enables control of log level in the code for a class - self.mon.set_log_level()
# make a shorter list to log/trace only some classes without using enable_in_code.
Monitor.classes = ['PiPresents',
'HyperlinkShow','RadioButtonShow','ArtLiveShow','ArtMediaShow','MediaShow','LiveShow','MenuShow',
'GapShow','Show','ArtShow',
'AudioPlayer','BrowserPlayer','ImagePlayer','MenuPlayer','MessagePlayer','VideoPlayer','Player',
'MediaList','LiveList','ShowList',
'PathManager','ControlsManager','ShowManager','PluginManager','IOPluginManager',
'MplayerDriver','OMXDriver','UZBLDriver',
'TimeOfDay','ScreenDriver','Animate','OSCDriver','CounterManager',
'Network','Mailer'
]
# Monitor.classes=['PiPresents','MediaShow','GapShow','Show','VideoPlayer','Player','OMXDriver']
# Monitor.classes=['OSCDriver']
# get global log level from command line
Monitor.log_level = int(self.options['debug'])
Monitor.manager = self.options['manager']
# print self.options['manager']
self.mon.newline(3)
self.mon.sched (self,None, "Pi Presents is starting, Version:"+self.pipresents_minorissue + ' at '+time.strftime("%Y-%m-%d %H:%M.%S"))
self.mon.log (self, "Pi Presents is starting, Version:"+self.pipresents_minorissue+ ' at '+time.strftime("%Y-%m-%d %H:%M.%S"))
# self.mon.log (self," OS and separator:" + os.name +' ' + os.sep)
self.mon.log(self,"sys.path[0] - location of code: "+sys.path[0])
# log versions of Raspbian and omxplayer, and GPU Memory
with open("/boot/issue.txt") as ifile:
self.mon.log(self,'\nRaspbian: '+ifile.read())
self.mon.log(self,'\n'+check_output(["omxplayer", "-v"]))
self.mon.log(self,'\nGPU Memory: '+check_output(["vcgencmd", "get_mem", "gpu"]))
if os.geteuid() == 0:
print 'Do not run Pi Presents with sudo'
self.mon.log(self,'Do not run Pi Presents with sudo')
self.mon.finish()
sys.exit(102)
if "DESKTOP_SESSION" not in os.environ:
print 'Pi Presents must be run from the Desktop'
self.mon.log(self,'Pi Presents must be run from the Desktop')
self.mon.finish()
sys.exit(102)
else:
self.mon.log(self,'Desktop is '+ os.environ['DESKTOP_SESSION'])
# optional other classes used
self.root=None
self.ppio=None
self.tod=None
self.animate=None
self.ioplugin_manager=None
self.oscdriver=None
self.osc_enabled=False
self.tod_enabled=False
self.email_enabled=False
user=os.getenv('USER')
if user is None:
tkMessageBox.showwarning("You must be logged in to run Pi Presents")
exit(102)
if user !='pi':
self.mon.warn(self,"You must be logged as pi to use GPIO")
self.mon.log(self,'User is: '+ user)
# self.mon.log(self,"os.getenv('HOME') - user home directory (not used): " + os.getenv('HOME')) # does not work
# self.mon.log(self,"os.path.expanduser('~') - user home directory: " + os.path.expanduser('~')) # does not work
# check network is available
self.network_connected=False
self.network_details=False
self.interface=''
self.ip=''
self.unit=''
# sets self.network_connected and self.network_details
self.init_network()
# start the mailer and send email when PP starts
self.email_enabled=False
if self.network_connected is True:
self.init_mailer()
if self.email_enabled is True and self.mailer.email_at_start is True:
subject= '[Pi Presents] ' + self.unit + ': PP Started on ' + time.strftime("%Y-%m-%d %H:%M")
message = time.strftime("%Y-%m-%d %H:%M") + '\nUnit: ' + self.unit + ' Profile: '+ self.options['profile']+ '\n ' + self.interface + '\n ' + self.ip
self.send_email('start',subject,message)
# get profile path from -p option
if self.options['profile'] != '':
self.pp_profile_path="/pp_profiles/"+self.options['profile']
else:
self.mon.err(self,"Profile not specified in command ")
self.end('error','Profile not specified with the commands -p option')
# get directory containing pp_home from the command,
if self.options['home'] == "":
home = os.sep+ 'home' + os.sep + user + os.sep+"pp_home"
else:
home = self.options['home'] + os.sep+ "pp_home"
self.mon.log(self,"pp_home directory is: " + home)
# check if pp_home exists.
# try for 10 seconds to allow usb stick to automount
found=False
for i in range (1, 10):
self.mon.log(self,"Trying pp_home at: " + home + " (" + str(i)+')')
if os.path.exists(home):
found=True
self.pp_home=home
break
time.sleep (1)
if found is True:
self.mon.log(self,"Found Requested Home Directory, using pp_home at: " + home)
else:
self.mon.err(self,"Failed to find pp_home directory at " + home)
self.end('error',"Failed to find pp_home directory at " + home)
# check profile exists
self.pp_profile=self.pp_home+self.pp_profile_path
if os.path.exists(self.pp_profile):
self.mon.sched(self,None,"Running profile: " + self.pp_profile_path)
self.mon.log(self,"Found Requested profile - pp_profile directory is: " + self.pp_profile)
else:
self.mon.err(self,"Failed to find requested profile: "+ self.pp_profile)
self.end('error',"Failed to find requested profile: "+ self.pp_profile)
self.mon.start_stats(self.options['profile'])
if self.options['verify'] is True:
self.mon.err(self,"Validation option not supported - use the editor")
self.end('error','Validation option not supported - use the editor')
# initialise and read the showlist in the profile
self.showlist=ShowList()
self.showlist_file= self.pp_profile+ "/pp_showlist.json"
if os.path.exists(self.showlist_file):
self.showlist.open_json(self.showlist_file)
else:
self.mon.err(self,"showlist not found at "+self.showlist_file)
self.end('error',"showlist not found at "+self.showlist_file)
# check profile and Pi Presents issues are compatible
if self.showlist.profile_version() != self.pipresents_version():
self.mon.err(self,"Version of showlist " + self.showlist.profile_version_string + " is not same as Pi Presents")
self.end('error',"Version of showlist " + self.showlist.profile_version_string + " is not same as Pi Presents")
# get the 'start' show from the showlist
index = self.showlist.index_of_start_show()
if index >=0:
self.showlist.select(index)
self.starter_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show [start] not found in showlist")
self.end('error',"Show [start] not found in showlist")
# ********************
# SET UP THE GUI
# ********************
# turn off the screenblanking and saver
if self.options['noblank'] is True:
call(["xset","s", "off"])
call(["xset","s", "-dpms"])
self.root=Tk()
self.title='Pi Presents - '+ self.pp_profile
self.icon_text= 'Pi Presents'
self.root.title(self.title)
self.root.iconname(self.icon_text)
self.root.config(bg=self.starter_show['background-colour'])
self.mon.log(self, 'monitor screen dimensions are ' + str(self.root.winfo_screenwidth()) + ' x ' + str(self.root.winfo_screenheight()) + ' pixels')
if self.options['screensize'] =='':
self.screen_width = self.root.winfo_screenwidth()
self.screen_height = self.root.winfo_screenheight()
else:
reason,message,self.screen_width,self.screen_height=self.parse_screen(self.options['screensize'])
if reason =='error':
self.mon.err(self,message)
self.end('error',message)
self.mon.log(self, 'forced screen dimensions (--screensize) are ' + str(self.screen_width) + ' x ' + str(self.screen_height) + ' pixels')
# set window dimensions and decorations
if self.options['fullscreen'] is False:
self.window_width=int(self.root.winfo_screenwidth()*self.nonfull_window_width)
self.window_height=int(self.root.winfo_screenheight()*self.nonfull_window_height)
self.window_x=self.nonfull_window_x
self.window_y=self.nonfull_window_y
self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
else:
self.window_width=self.screen_width
self.window_height=self.screen_height
self.root.attributes('-fullscreen', True)
os.system('unclutter &')
self.window_x=0
self.window_y=0
self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
self.root.attributes('-zoomed','1')
# canvas cover the whole screen whatever the size of the window.
self.canvas_height=self.screen_height
self.canvas_width=self.screen_width
# make sure focus is set.
self.root.focus_set()
# define response to main window closing.
self.root.protocol ("WM_DELETE_WINDOW", self.handle_user_abort)
# setup a canvas onto which will be drawn the images or text
self.canvas = Canvas(self.root, bg=self.starter_show['background-colour'])
if self.options['fullscreen'] is True:
self.canvas.config(height=self.canvas_height,
width=self.canvas_width,
highlightthickness=0)
else:
self.canvas.config(height=self.canvas_height,
width=self.canvas_width,
highlightthickness=1,
highlightcolor='yellow')
self.canvas.place(x=0,y=0)
# self.canvas.config(bg='black')
self.canvas.focus_set()
# ****************************************
# INITIALISE THE TOUCHSCREEN DRIVER
# ****************************************
# each driver takes a set of inputs, binds them to symboic names
# and sets up a callback which returns the symbolic name when an input event occurs
self.sr=ScreenDriver()
# read the screen click area config file
reason,message = self.sr.read(pp_dir,self.pp_home,self.pp_profile)
if reason == 'error':
self.end('error','cannot find, or error in screen.cfg')
# create click areas on the canvas, must be polygon as outline rectangles are not filled as far as find_closest goes
# click areas are made on the Pi Presents canvas not the show canvases.
reason,message = self.sr.make_click_areas(self.canvas,self.handle_input_event)
if reason == 'error':
self.mon.err(self,message)
self.end('error',message)
# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
self.shutdown_required=False
self.reboot_required=False
self.terminate_required=False
self.exitpipresents_required=False
# initialise the I/O plugins by importing their drivers
self.ioplugin_manager=IOPluginManager()
reason,message=self.ioplugin_manager.init(self.pp_dir,self.pp_profile,self.root,self.handle_input_event)
if reason == 'error':
# self.mon.err(self,message)
self.end('error',message)
# kick off animation sequencer
self.animate = Animate()
self.animate.init(pp_dir,self.pp_home,self.pp_profile,self.canvas,200,self.handle_output_event)
self.animate.poll()
#create a showmanager ready for time of day scheduler and osc server
show_id=-1
self.show_manager=ShowManager(show_id,self.showlist,self.starter_show,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
# first time through set callback to terminate Pi Presents if all shows have ended.
self.show_manager.init(self.canvas,self.all_shows_ended_callback,self.handle_command,self.showlist)
# Register all the shows in the showlist
reason,message=self.show_manager.register_shows()
if reason == 'error':
self.mon.err(self,message)
self.end('error',message)
# Init OSCDriver, read config and start OSC server
self.osc_enabled=False
if self.network_connected is True:
if os.path.exists(self.pp_profile + os.sep + 'pp_io_config'+ os.sep + 'osc.cfg'):
self.oscdriver=OSCDriver()
reason,message=self.oscdriver.init(self.pp_profile,
self.unit,self.interface,self.ip,
self.handle_command,self.handle_input_event,self.e_osc_handle_animate)
if reason == 'error':
self.mon.err(self,message)
self.end('error',message)
else:
self.osc_enabled=True
self.root.after(1000,self.oscdriver.start_server())
# initialise ToD scheduler calculating schedule for today
self.tod=TimeOfDay()
reason,message,self.tod_enabled = self.tod.init(pp_dir,self.pp_home,self.pp_profile,self.showlist,self.root,self.handle_command)
if reason == 'error':
self.mon.err(self,message)
self.end('error',message)
# warn if the network not available when ToD required
if self.tod_enabled is True and self.network_connected is False:
self.mon.warn(self,'Network not connected so Time of Day scheduler may be using the internal clock')
# init the counter manager
self.counter_manager=CounterManager()
self.counter_manager.init()
# warn about start shows and scheduler
if self.starter_show['start-show']=='' and self.tod_enabled is False:
self.mon.sched(self,None,"No Start Shows in Start Show and no shows scheduled")
self.mon.warn(self,"No Start Shows in Start Show and no shows scheduled")
if self.starter_show['start-show'] !='' and self.tod_enabled is True:
self.mon.sched(self,None,"Start Shows in Start Show and shows scheduled - conflict?")
self.mon.warn(self,"Start Shows in Start Show and shows scheduled - conflict?")
# run the start shows
self.run_start_shows()
# kick off the time of day scheduler which may run additional shows
if self.tod_enabled is True:
self.tod.poll()
# start the I/O plugins input event generation
self.ioplugin_manager.start()
# start Tkinters event loop
self.root.mainloop( )
def parse_screen(self,size_text):
fields=size_text.split('*')
if len(fields)!=2:
return 'error','do not understand --screensize comand option',0,0
elif fields[0].isdigit() is False or fields[1].isdigit() is False:
return 'error','dimensions are not positive integers in --screensize',0,0
else:
return 'normal','',int(fields[0]),int(fields[1])
# *********************
# RUN START SHOWS
# ********************
def run_start_shows(self):
self.mon.trace(self,'run start shows')
# parse the start shows field and start the initial shows
show_refs=self.starter_show['start-show'].split()
for show_ref in show_refs:
reason,message=self.show_manager.control_a_show(show_ref,'open')
if reason == 'error':
self.mon.err(self,message)
# *********************
# User inputs
# ********************
def e_osc_handle_animate(self,line):
#jump out of server thread
self.root.after(1, lambda arg=line: self.osc_handle_animate(arg))
def osc_handle_animate(self,line):
self.mon.log(self,"animate command received: "+ line)
#osc sends output events as a string
reason,message,delay,name,param_type,param_values=self.animate.parse_animate_fields(line)
if reason == 'error':
self.mon.err(self,message)
self.end(reason,message)
self.handle_output_event(name,param_type,param_values,0)
# output events are animate commands
def handle_output_event(self,symbol,param_type,param_values,req_time):
reason,message=self.ioplugin_manager.handle_output_event(symbol,param_type,param_values,req_time)
if reason =='error':
self.mon.err(self,message)
self.end(reason,message)
# all input events call this callback providing a symbolic name.
# handle events that affect PP overall, otherwise pass to all active shows
def handle_input_event(self,symbol,source):
self.mon.log(self,"event received: "+symbol + ' from '+ source)
if symbol == 'pp-terminate':
self.handle_user_abort()
elif symbol == 'pp-shutdown':
self.mon.err(self,'pp-shutdown removed in version 1.3.3a, see Release Notes')
self.end('error','pp-shutdown removed in version 1.3.3a, see Release Notes')
elif symbol == 'pp-shutdownnow':
# need root.after to grt out of st thread
self.root.after(1,self.shutdownnow_pressed)
return
elif symbol == 'pp-exitpipresents':
self.exitpipresents_required=True
if self.show_manager.all_shows_exited() is True:
# need root.after to grt out of st thread
self.root.after(1,self.e_all_shows_ended_callback)
return
reason,message= self.show_manager.exit_all_shows()
else:
# pass the input event to all registered shows
for show in self.show_manager.shows:
show_obj=show[ShowManager.SHOW_OBJ]
if show_obj is not None:
show_obj.handle_input_event(symbol)
# commands are generaed by tracks and shows
# they can open or close shows, generate input events and do special tasks
# commands also generate osc outputs to other computers
# handles one command provided as a line of text
def handle_command(self,command_text,source='',show=''):
# print 'PIPRESENTS ',command_text,'\n Source',source,'from',show
self.mon.log(self,"command received: " + command_text)
if command_text.strip()=="":
return
fields= command_text.split()
if fields[0] in ('osc','OSC'):
if self.osc_enabled is True:
status,message=self.oscdriver.parse_osc_command(fields[1:])
if status=='warn':
self.mon.warn(self,message)
if status=='error':
self.mon.err(self,message)
self.end('error',message)
return
if fields[0] =='counter':
status,message=self.counter_manager.parse_counter_command(fields[1:])
if status=='error':
self.mon.err(self,message)
self.end('error',message)
return
show_command=fields[0]
if len(fields)>1:
show_ref=fields[1]
else:
show_ref=''
if show_command in ('open','close','closeall','openexclusive'):
self.mon.sched(self, TimeOfDay.now,command_text + ' received from show:'+show)
if self.shutdown_required is False and self.terminate_required is False:
reason,message=self.show_manager.control_a_show(show_ref,show_command)
else:
return
elif show_command =='monitor':
self.handle_monitor_command(show_ref)
return
elif show_command =='cec':
self.handle_cec_command(show_ref)
return
elif show_command == 'event':
self.handle_input_event(show_ref,'Show Control')
return
elif show_command == 'exitpipresents':
self.exitpipresents_required=True
if self.show_manager.all_shows_exited() is True:
# need root.after to get out of st thread
self.root.after(1,self.e_all_shows_ended_callback)
return
else:
reason,message= self.show_manager.exit_all_shows()
elif show_command == 'shutdownnow':
# need root.after to get out of st thread
self.root.after(1,self.shutdownnow_pressed)
return
elif show_command == 'reboot':
# need root.after to get out of st thread
self.root.after(1,self.reboot_pressed)
return
else:
reason='error'
message = 'command not recognised: '+ show_command
if reason=='error':
self.mon.err(self,message)
return
def handle_monitor_command(self,command):
if command == 'on':
os.system('vcgencmd display_power 1 >/dev/null')
elif command == 'off':
os.system('vcgencmd display_power 0 >/dev/null')
def handle_cec_command(self,command):
if command == 'on':
os.system('echo "on 0" | cec-client -s')
elif command == 'standby':
os.system('echo "standby 0" | cec-client -s')
elif command == 'scan':
os.system('echo scan | cec-client -s -d 1')
# deal with differnt commands/input events
def shutdownnow_pressed(self):
self.shutdown_required=True
if self.show_manager.all_shows_exited() is True:
self.all_shows_ended_callback('normal','no shows running')
else:
# calls exit method of all shows, results in all_shows_closed_callback
self.show_manager.exit_all_shows()
def reboot_pressed(self):
self.reboot_required=True
if self.show_manager.all_shows_exited() is True:
self.all_shows_ended_callback('normal','no shows running')
else:
# calls exit method of all shows, results in all_shows_closed_callback
self.show_manager.exit_all_shows()
def handle_sigterm(self,signum,fframe):
self.mon.log(self,'SIGTERM received - '+ str(signum))
self.terminate()
def handle_user_abort(self):
self.mon.log(self,'User abort received')
self.terminate()
def terminate(self):
self.mon.log(self, "terminate received")
self.terminate_required=True
needs_termination=False
for show in self.show_manager.shows:
# print show[ShowManager.SHOW_OBJ], show[ShowManager.SHOW_REF]
if show[ShowManager.SHOW_OBJ] is not None:
needs_termination=True
self.mon.log(self,"Sent terminate to show "+ show[ShowManager.SHOW_REF])
# call shows terminate method
# eventually the show will exit and after all shows have exited all_shows_callback will be executed.
show[ShowManager.SHOW_OBJ].terminate()
if needs_termination is False:
self.end('killed','killed - no termination of shows required')
# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************
def e_all_shows_ended_callback(self):
self.all_shows_ended_callback('normal','no shows running')
# callback from ShowManager when all shows have ended
def all_shows_ended_callback(self,reason,message):
self.canvas.config(bg=self.starter_show['background-colour'])
if reason in ('killed','error') or self.shutdown_required is True or self.exitpipresents_required is True or self.reboot_required is True:
self.end(reason,message)
def end(self,reason,message):
self.mon.log(self,"Pi Presents ending with reason: " + reason)
if self.root is not None:
self.root.destroy()
self.tidy_up()
if reason == 'killed':
if self.email_enabled is True and self.mailer.email_on_terminate is True:
subject= '[Pi Presents] ' + self.unit + ': PP Exited with reason: Terminated'
message = time.strftime("%Y-%m-%d %H:%M") + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip
self.send_email(reason,subject,message)
self.mon.sched(self, None,"Pi Presents Terminated, au revoir\n")
self.mon.log(self, "Pi Presents Terminated, au revoir")
# close logging files
self.mon.finish()
print 'Uncollectable Garbage',gc.collect()
# objgraph.show_backrefs(objgraph.by_type('Monitor'))
sys.exit(101)
elif reason == 'error':
if self.email_enabled is True and self.mailer.email_on_error is True:
subject= '[Pi Presents] ' + self.unit + ': PP Exited with reason: Error'
message_text = 'Error message: '+ message + '\n'+ time.strftime("%Y-%m-%d %H:%M") + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip
self.send_email(reason,subject,message_text)
self.mon.sched(self,None, "Pi Presents closing because of error, sorry\n")
self.mon.log(self, "Pi Presents closing because of error, sorry")
# close logging files
self.mon.finish()
print 'uncollectable garbage',gc.collect()
sys.exit(102)
else:
self.mon.sched(self,None,"Pi Presents exiting normally, bye\n")
self.mon.log(self,"Pi Presents exiting normally, bye")
# close logging files
self.mon.finish()
if self.reboot_required is True:
# print 'REBOOT'
call (['sudo','reboot'])
if self.shutdown_required is True:
# print 'SHUTDOWN'
call (['sudo','shutdown','now','SHUTTING DOWN'])
print 'uncollectable garbage',gc.collect()
sys.exit(100)
# tidy up all the peripheral bits of Pi Presents
def tidy_up(self):
self.handle_monitor_command('on')
self.mon.log(self, "Tidying Up")
# turn screen blanking back on
if self.options['noblank'] is True:
call(["xset","s", "on"])
call(["xset","s", "+dpms"])
# tidy up animation
if self.animate is not None:
self.animate.terminate()
# tidy up i/o plugins
if self.ioplugin_manager != None:
self.ioplugin_manager.terminate()
if self.osc_enabled is True:
self.oscdriver.terminate()
# tidy up time of day scheduler
if self.tod_enabled is True:
self.tod.terminate()
# *******************************
# Connecting to network and email
# *******************************
def init_network(self):
timeout=int(self.options['nonetwork'])
if timeout== 0:
self.network_connected=False
self.unit=''
self.ip=''
self.interface=''
return
self.network=Network()
self.network_connected=False
# try to connect to network
self.mon.log (self, 'Waiting up to '+ str(timeout) + ' seconds for network')
success=self.network.wait_for_network(timeout)
if success is False:
self.mon.warn(self,'Failed to connect to network after ' + str(timeout) + ' seconds')
# tkMessageBox.showwarning("Pi Presents","Failed to connect to network so using fake-hwclock")
return
self.network_connected=True
self.mon.sched (self, None,'Time after network check is '+ time.strftime("%Y-%m-%d %H:%M.%S"))
self.mon.log (self, 'Time after network check is '+ time.strftime("%Y-%m-%d %H:%M.%S"))
# Get web configuration
self.network_details=False
network_options_file_path=self.pp_dir+os.sep+'pp_config'+os.sep+'pp_web.cfg'
if not os.path.exists(network_options_file_path):
self.mon.warn(self,"pp_web.cfg not found at "+network_options_file_path)
return
self.mon.log(self, 'Found pp_web.cfg in ' + network_options_file_path)
self.network.read_config(network_options_file_path)
self.unit=self.network.unit
# get interface and IP details of preferred interface
self.interface,self.ip = self.network.get_preferred_ip()
if self.interface == '':
self.network_connected=False
return
self.network_details=True
self.mon.log (self, 'Network details ' + self.unit + ' ' + self.interface + ' ' +self.ip)
def init_mailer(self):
self.email_enabled=False
email_file_path = self.pp_dir+os.sep+'pp_config'+os.sep+'pp_email.cfg'
if not os.path.exists(email_file_path):
self.mon.log(self,'pp_email.cfg not found at ' + email_file_path)
return
self.mon.log(self,'Found pp_email.cfg at ' + email_file_path)
self.mailer=Mailer()
self.mailer.read_config(email_file_path)
# all Ok so can enable email if config file allows it.
if self.mailer.email_allowed is True:
self.email_enabled=True
self.mon.log (self,'Email Enabled')
def try_connect(self):
tries=1
while True:
success, error = self.mailer.connect()
if success is True:
return True
else:
self.mon.log(self,'Failed to connect to email SMTP server ' + str(tries) + '\n ' +str(error))
tries +=1
if tries >5:
self.mon.log(self,'Failed to connect to email SMTP server after ' + str(tries))
return False
def send_email(self,reason,subject,message):
if self.try_connect() is False:
return False
else:
success,error = self.mailer.send(subject,message)
if success is False:
self.mon.log(self, 'Failed to send email: ' + str(error))
success,error=self.mailer.disconnect()
if success is False:
self.mon.log(self,'Failed disconnect after send:' + str(error))
return False
else:
self.mon.log(self,'Sent email for ' + reason)
success,error=self.mailer.disconnect()
if success is False:
self.mon.log(self,'Failed disconnect from email server ' + str(error))
return True