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
# 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
# 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
if os.geteuid() != 0:
self.mon.err(self, "GPIO requires Pi Presents to be run as root\nhint: sudo pipresents.py .... ")
return "error", "GPIO without sudo"
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 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":
# 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":
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 ShowManager(object):
"""
ShowManager manages PiPresents' concurrent shows. It does not manage sub-shows or child-shows but has a bit of common code to initilise them
concurrent shows are always top level (level 0) shows:
They can be opened/closed by the start show(open only) or by 'open/close myshow' in the Show Control field of players, by time of day sceduler or by OSC
Two shows with the same show reference cannot be run concurrently as there is no way to reference an individual instance.
However a workaround is to make the secong instance a subshow of a mediashow with a different reference.
"""
# Declare class variables
shows = []
canvas = None #canvas for all 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
showlist = []
# Initialise class variables, first time through only in pipresents.py
def init(self, canvas, all_shows_ended_callback, command_callback,
showlist):
ShowManager.all_shows_ended_callback = all_shows_ended_callback
ShowManager.shows = []
ShowManager.shutdown_required = False
ShowManager.canvas = canvas
ShowManager.command_callback = command_callback
ShowManager.showlist = showlist
# **************************************
# functions to manipulate show register
# **************************************
def register_shows(self):
for show in ShowManager.showlist.shows():
if show['show-ref'] != 'start':
reason, message = self.register_show(show['show-ref'])
if reason == 'error':
return reason, message
return 'normal', 'shows regiistered'
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
self.mon.trace(
self, ' - register show: show_ref = ' + ref + ' index = ' +
str(index))
return 'normal', 'show registered'
else:
# self.mon.err(self, ' more than one show in showlist with show-ref: ' + ref )
return 'error', ' more than one show in showlist with show-ref: ' + ref
# 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
self.mon.trace(
self,
'show_ref= ' + ShowManager.shows[index][ShowManager.SHOW_REF] +
' show_id= ' + str(index))
# is the show running?
def show_running(self, index):
if ShowManager.shows[index][ShowManager.SHOW_OBJ] is not None:
return ShowManager.shows[index][ShowManager.SHOW_OBJ]
else:
return None
def set_exited(self, index):
ShowManager.shows[index][ShowManager.SHOW_OBJ] = None
self.mon.trace(
self,
'show_ref= ' + ShowManager.shows[index][ShowManager.SHOW_REF] +
' show_id= ' + str(index))
# are all shows exited?
def all_shows_exited(self):
all_exited = True
for show in ShowManager.shows:
if show[ShowManager.SHOW_OBJ] is not None:
all_exited = False
return all_exited
# fromat for printing
def pretty_shows(self):
shows = '\n'
for show in ShowManager.shows:
shows += show[ShowManager.SHOW_REF] + '\n'
return shows
# *********************************
# show control
# *********************************
# show manager can be initialised by a player, shower or by pipresents.py
# if by pipresents.py then show_id=-1
def __init__(self, show_id, showlist, show_params, root, canvas, pp_dir,
pp_profile, pp_home):
self.show_id = show_id
self.showlist = showlist
self.show_params = show_params
self.root = root
self.show_canvas = canvas
self.pp_dir = pp_dir
self.pp_profile = pp_profile
self.pp_home = pp_home
self.mon = Monitor()
def control_a_show(self, show_ref, show_command):
if show_command == 'open':
return self.start_show(show_ref)
elif show_command == 'close':
return self.exit_show(show_ref)
elif show_command == 'closeall':
return self.exit_all_shows()
elif show_command == 'openexclusive':
return self.open_exclusive(show_ref)
else:
return 'error', 'command not recognised ' + show_command
def open_exclusive(self, show_ref):
self.exit_all_shows()
self.exclusive_show = show_ref
self.wait_for_openexclusive()
return 'normal', 'opened exclusive'
def wait_for_openexclusive(self):
if self.all_shows_exited() is False:
ShowManager.canvas.after(1, self.wait_for_openexclusive)
return
self.start_show(self.exclusive_show)
def exit_all_shows(self):
for show in ShowManager.shows:
self.exit_show(show[ShowManager.SHOW_REF])
return 'normal', 'exited all shows'
# kick off the exit sequence of a show by calling the shows exit method.
# it will result in all the shows in a stack being closed and end_play_show being called
def exit_show(self, show_ref):
index = self.show_registered(show_ref)
self.mon.log(
self,
"De-registering show " + show_ref + ' show index:' + str(index))
show_obj = self.show_running(index)
if show_obj is not None:
self.mon.log(
self, "Exiting show " + show_ref + ' show index:' + str(index))
show_obj.exit()
return 'normal', 'exited a concurrent show'
def start_show(self, show_ref):
index = self.show_registered(show_ref)
if index < 0:
return 'error', "Show not found in showlist: " + show_ref
show_index = self.showlist.index_of_show(show_ref)
show = self.showlist.show(show_index)
reason, message, show_canvas = self.compute_show_canvas(show)
if reason == 'error':
return reason, message
# print 'STARTING TOP LEVEL SHOW',show_canvas
self.mon.sched(
self, TimeOfDay.now, 'Starting Show: ' + show_ref +
' from show: ' + self.show_params['show-ref'])
self.mon.log(
self, 'Starting Show: ' + show_ref + ' from: ' +
self.show_params['show-ref'])
if self.show_running(index):
self.mon.sched(
self, TimeOfDay.now,
"show already running so ignoring command: " + show_ref)
self.mon.warn(
self, "show already running so ignoring command: " + show_ref)
return 'normal', 'this concurrent show already running'
show_obj = self.init_show(index, show, show_canvas)
if show_obj is None:
return 'error', "unknown show type in start concurrent show - " + show[
'type']
else:
self.set_running(index, show_obj)
# params - end_callback, show_ready_callback, parent_kickback_signal, level
show_obj.play(self._end_play_show, None, False, 0, [])
return 'normal', 'concurrent show started'
# used by shows to create subshows or child shows
def init_subshow(self, show_id, show, show_canvas):
return self.init_show(show_id, show, show_canvas)
def _end_play_show(self, index, reason, message):
show_ref_to_exit = ShowManager.shows[index][ShowManager.SHOW_REF]
show_to_exit = ShowManager.shows[index][ShowManager.SHOW_OBJ]
self.mon.sched(self, TimeOfDay.now, 'Closed show: ' + show_ref_to_exit)
self.mon.log(
self, 'Exited from show: ' + show_ref_to_exit + ' ' + str(index))
self.mon.log(self, 'Exited with Reason = ' + reason)
self.mon.trace(
self,
' Show is: ' + show_ref_to_exit + ' show index ' + str(index))
# closes the video/audio from last track then closes the track
# print 'show to exit ',show_to_exit, show_to_exit.current_player,show_to_exit.previous_player
self.set_exited(index)
if self.all_shows_exited() is True:
ShowManager.all_shows_ended_callback(reason, message)
return reason, message
# common function to initilaise the show by type
def init_show(
self,
show_id,
selected_show,
show_canvas,
):
if selected_show['type'] == "mediashow":
return MediaShow(show_id, selected_show, self.root, show_canvas,
self.showlist, self.pp_dir, self.pp_home,
self.pp_profile, ShowManager.command_callback)
elif selected_show['type'] == "liveshow":
return LiveShow(show_id, selected_show, self.root, show_canvas,
self.showlist, self.pp_dir, self.pp_home,
self.pp_profile, ShowManager.command_callback)
elif selected_show['type'] == "radiobuttonshow":
return RadioButtonShow(show_id, selected_show, self.root,
show_canvas, self.showlist, self.pp_dir,
self.pp_home, self.pp_profile,
ShowManager.command_callback)
elif selected_show['type'] == "hyperlinkshow":
return HyperlinkShow(show_id, selected_show, self.root,
show_canvas, self.showlist, self.pp_dir,
self.pp_home, self.pp_profile,
ShowManager.command_callback)
elif selected_show['type'] == "menu":
return MenuShow(show_id, selected_show, self.root, show_canvas,
self.showlist, self.pp_dir, self.pp_home,
self.pp_profile, ShowManager.command_callback)
elif selected_show['type'] == "artmediashow":
return ArtMediaShow(show_id, selected_show, self.root, show_canvas,
self.showlist, self.pp_dir, self.pp_home,
self.pp_profile, ShowManager.command_callback)
elif selected_show['type'] == "artliveshow":
return ArtLiveShow(show_id, selected_show, self.root, show_canvas,
self.showlist, self.pp_dir, self.pp_home,
self.pp_profile, ShowManager.command_callback)
else:
return None
def compute_show_canvas(self, show_params):
canvas = {}
canvas['canvas-obj'] = ShowManager.canvas
status, message, self.show_canvas_x1, self.show_canvas_y1, self.show_canvas_x2, self.show_canvas_y2 = self.parse_show_canvas(
show_params['show-canvas'])
if status == 'error':
# self.mon.err(self,'show canvas error: ' + message + ' in ' + show_params['show-canvas'])
return 'error', 'show canvas error: ' + message + ' in ' + show_params[
'show-canvas'], canvas
else:
self.show_canvas_width = self.show_canvas_x2 - self.show_canvas_x1
self.show_canvas_height = self.show_canvas_y2 - self.show_canvas_y1
self.show_canvas_centre_x = self.show_canvas_width / 2
self.show_canvas_centre_y = self.show_canvas_height / 2
canvas['show-canvas-x1'] = self.show_canvas_x1
canvas['show-canvas-y1'] = self.show_canvas_y1
canvas['show-canvas-x2'] = self.show_canvas_x2
canvas['show-canvas-y2'] = self.show_canvas_y2
canvas['show-canvas-width'] = self.show_canvas_width
canvas['show-canvas-height'] = self.show_canvas_height
canvas['show-canvas-centre-x'] = self.show_canvas_centre_x
canvas['show-canvas-centre-y'] = self.show_canvas_centre_y
return 'normal', '', canvas
def parse_show_canvas(self, text):
fields = text.split()
# blank so show canvas is the whole screen
if len(fields) < 1:
return 'normal', '', 0, 0, int(self.canvas['width']), int(
self.canvas['height'])
elif len(fields) in (1, 4):
# window is specified
status, message, x1, y1, x2, y2 = parse_rectangle(text)
if status == 'error':
return 'error', message, 0, 0, 0, 0
else:
return 'normal', '', x1, y1, x2, y2
else:
# error
return 'error', 'Wrong number of fields in Show canvas: ' + text, 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 pp_gpiodriver(object):
"""
pp_gpiodriver provides GPIO facilties for Pi presents
- configures and binds GPIO pins from data in .cfg file
- reads and debounces inputs pins, provides callbacks on state changes which generate input events
- changes the state 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 (pp_gpiodriver.)
pins=[]
driver_active=False
title=''
# executed by main program and by each object using gpio
def __init__(self):
self.mon=Monitor()
# executed once from main program
def init(self,filename,filepath,widget,button_callback=None):
# instantiate arguments
self.widget=widget
self.filename=filename
self.filepath=filepath
self.button_callback=button_callback
pp_gpiodriver.driver_active = False
# read gpio.cfg file.
reason,message=self._read(self.filename,self.filepath)
if reason =='error':
return 'error',message
if self.config.has_section('DRIVER') is False:
return 'error','No DRIVER section in '+self.filepath
#read information from DRIVER section
pp_gpiodriver.title=self.config.get('DRIVER','title')
button_tick_text = self.config.get('DRIVER','tick-interval')
if button_tick_text.isdigit():
if int(button_tick_text)>0:
self.button_tick=int(button_tick_text) # in mS
else:
return 'error','tick-interval is not a positive integer'
else:
return 'error','tick-interval is not an integer'
import RPi.GPIO as GPIO
self.GPIO = GPIO
# construct the GPIO control list from the configuration
for index, pin_def in enumerate(pp_gpiodriver.PINLIST):
pin=copy.deepcopy(pp_gpiodriver.TEMPLATE)
pin_bits = pin_def.split('-')
pin_num=pin_bits[1:]
pin[pp_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[pp_gpiodriver.DIRECTION]='None'
else:
# unused pin
if self.config.get(pin_def,'direction') == 'none':
pin[pp_gpiodriver.DIRECTION]='none'
else:
pin[pp_gpiodriver.DIRECTION]=self.config.get(pin_def,'direction')
if pin[pp_gpiodriver.DIRECTION] == 'in':
# input pin
pin[pp_gpiodriver.RISING_NAME]=self.config.get(pin_def,'rising-name')
pin[pp_gpiodriver.FALLING_NAME]=self.config.get(pin_def,'falling-name')
pin[pp_gpiodriver.ONE_NAME]=self.config.get(pin_def,'one-name')
pin[pp_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[pp_gpiodriver.LINKED_NAME]=self.config.get(pin_def,'linked-output')
if self.config.get(pin_def,'linked-invert') == 'yes':
pin[pp_gpiodriver.LINKED_INVERT]=True
else:
pin[pp_gpiodriver.LINKED_INVERT]=False
else:
pin[pp_gpiodriver.LINKED_NAME]= ''
pin[pp_gpiodriver.LINKED_INVERT]=False
if pin[pp_gpiodriver.FALLING_NAME] == 'pp-shutdown':
pp_gpiodriver.shutdown_index=index
if self.config.get(pin_def,'repeat') != '':
pin[pp_gpiodriver.REPEAT]=int(self.config.get(pin_def,'repeat'))
else:
pin[pp_gpiodriver.REPEAT]=-1
pin[pp_gpiodriver.THRESHOLD]=int(self.config.get(pin_def,'threshold'))
if self.config.get(pin_def,'pull-up-down') == 'up':
pin[pp_gpiodriver.PULL]=GPIO.PUD_UP
elif self.config.get(pin_def,'pull-up-down') == 'down':
pin[pp_gpiodriver.PULL]=GPIO.PUD_DOWN
else:
pin[pp_gpiodriver.PULL]=GPIO.PUD_OFF
else:
# output pin
pin[pp_gpiodriver.NAME]=self.config.get(pin_def,'name')
pp_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(pp_gpiodriver.pins):
num = pin[pp_gpiodriver.PIN]
if pin[pp_gpiodriver.DIRECTION] == 'in':
self.GPIO.setup(num,self.GPIO.IN,pull_up_down=pin[pp_gpiodriver.PULL])
elif pin[pp_gpiodriver.DIRECTION] == 'out':
self.GPIO.setup(num,self.GPIO.OUT)
self.GPIO.setup(num,False)
self._reset_input_state()
pp_gpiodriver.driver_active=True
# init timer
self.button_tick_timer=None
return 'normal',pp_gpiodriver.title + ' active'
# called by main program only
def start(self):
# loop to look at the buttons
self._do_buttons()
self.button_tick_timer=self.widget.after(self.button_tick,self.start)
# called by main program only
def terminate(self):
if pp_gpiodriver.driver_active is True:
if self.button_tick_timer is not None:
self.widget.after_cancel(self.button_tick_timer)
self._reset_outputs()
self.GPIO.cleanup()
pp_gpiodriver.driver_active=False
# ************************************************
# gpio input functions
# called by main program only
# ************************************************
def _reset_input_state(self):
for pin in pp_gpiodriver.pins:
pin[pp_gpiodriver.COUNT]=0
pin[pp_gpiodriver.PRESSED]=False
pin[pp_gpiodriver.LAST]=False
pin[pp_gpiodriver.REPEAT_COUNT]=pin[pp_gpiodriver.REPEAT]
def _do_buttons(self):
for index, pin in enumerate(pp_gpiodriver.pins):
if pin[pp_gpiodriver.DIRECTION] == 'in':
# linked pin
if pin[pp_gpiodriver.LINKED_NAME] != '':
link_pin=self._output_pin_of(pin[pp_gpiodriver.LINKED_NAME])
if link_pin!=-1:
self.GPIO.output(link_pin,self.GPIO.input(pin[pp_gpiodriver.PIN]) ^ pin[pp_gpiodriver.LINKED_INVERT])
# debounce
if self.GPIO.input(pin[pp_gpiodriver.PIN]) == 0:
if pin[pp_gpiodriver.COUNT]<pin[pp_gpiodriver.THRESHOLD]:
pin[pp_gpiodriver.COUNT]+=1
if pin[pp_gpiodriver.COUNT] == pin[pp_gpiodriver.THRESHOLD]:
pin[pp_gpiodriver.PRESSED]=True
else: # input us 1
if pin[pp_gpiodriver.COUNT]>0:
pin[pp_gpiodriver.COUNT]-=1
if pin[pp_gpiodriver.COUNT] == 0:
pin[pp_gpiodriver.PRESSED]=False
# detect edges
# falling edge
if pin[pp_gpiodriver.PRESSED] is True and pin[pp_gpiodriver.LAST] is False:
pin[pp_gpiodriver.LAST]=pin[pp_gpiodriver.PRESSED]
pin[pp_gpiodriver.REPEAT_COUNT]=pin[pp_gpiodriver.REPEAT]
if pin[pp_gpiodriver.FALLING_NAME] != '' and self.button_callback is not None:
self.button_callback(pin[pp_gpiodriver.FALLING_NAME],pp_gpiodriver.title)
# rising edge
if pin[pp_gpiodriver.PRESSED] is False and pin[pp_gpiodriver.LAST] is True:
pin[pp_gpiodriver.LAST]=pin[pp_gpiodriver.PRESSED]
pin[pp_gpiodriver.REPEAT_COUNT]=pin[pp_gpiodriver.REPEAT]
if pin[pp_gpiodriver.RISING_NAME] != '' and self.button_callback is not None:
self.button_callback(pin[pp_gpiodriver.RISING_NAME],pp_gpiodriver.title)
# do state callbacks
if pin[pp_gpiodriver.REPEAT_COUNT] == 0:
if pin[pp_gpiodriver.ZERO_NAME] != '' and pin[pp_gpiodriver.PRESSED] is True and self.button_callback is not None:
self.button_callback(pin[pp_gpiodriver.ZERO_NAME],pp_gpiodriver.title)
if pin[pp_gpiodriver.ONE_NAME] != '' and pin[pp_gpiodriver.PRESSED] is False and self.button_callback is not None:
self.button_callback(pin[pp_gpiodriver.ONE_NAME],pp_gpiodriver.title)
pin[pp_gpiodriver.REPEAT_COUNT]=pin[pp_gpiodriver.REPEAT]
else:
if pin[pp_gpiodriver.REPEAT] != -1:
pin[pp_gpiodriver.REPEAT_COUNT]-=1
def get_input(self,channel):
return False, None
# ************************************************
# gpio output interface methods
# these can be called from many classes so need to operate on class variables
# ************************************************
# execute an output event
def handle_output_event(self,name,param_type,param_values,req_time):
# print 'GPIO handle',name,param_type,param_values
# does the symbolic name match any output pin
pin= self._output_pin_of(name)
if pin == -1:
return 'normal',pp_gpiodriver.title + 'Symbolic name not recognised: ' + name
#gpio only handles state parameters, ignore otherwise
if param_type != 'state':
return 'normal',pp_gpiodriver.title + ' does not handle: ' + param_type
to_state=param_values[0]
if to_state not in ('on','off'):
return 'error',pp_gpiodriver.title + ', illegal parameter value for ' + param_type +': ' + to_state
if to_state== 'on':
state=True
else:
state=False
# print 'pin P1-'+ str(pin)+ ' set '+ str(state) + ' required: ' + str(req_time)+ ' actual: ' + str(long(time.time()))
self.GPIO.output(pin,state)
return 'normal',pp_gpiodriver.title + ' pin P1-'+ str(pin)+ ' set '+ str(state) + ' required at: ' + str(req_time)+ ' sent at: ' + str(long(time.time()))
def _reset_outputs(self):
if pp_gpiodriver.driver_active is True:
for index, pin in enumerate(pp_gpiodriver.pins):
num = pin[pp_gpiodriver.PIN]
if pin[pp_gpiodriver.DIRECTION] == 'out':
self.GPIO.output(num,False)
def is_active(self):
return pp_gpiodriver.driver_active
# ************************************************
# 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 pp_gpiodriver.pins:
# print " in list" + pin[pp_gpiodriver.NAME] + str(pin[pp_gpiodriver.PIN] )
if pin[pp_gpiodriver.NAME] == name and pin[pp_gpiodriver.DIRECTION] == 'out':
# print " linked pin " + pin[pp_gpiodriver.NAME] + ' ' + str(pin[pp_gpiodriver.PIN] )
return pin[pp_gpiodriver.PIN]
return -1
# ***********************************
# reading .cfg file
# ************************************
def _read(self,filename,filepath):
if os.path.exists(filepath):
self.config = ConfigParser.ConfigParser()
self.config.read(filepath)
return 'normal',filename+' read'
else:
return 'error',filename+' not found at: '+filepath
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 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 ScreenDriver(object):
canvas = None ##The Pi presents canvas, click areas are draawn on this, not individual show canvases.
image_obj=[]
def __init__(self):
self.mon=Monitor()
# 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()
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)
# 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,canvas,callback):
ScreenDriver.canvas=canvas
self.callback=callback
reason=''
ScreenDriver.image_obj=[]
for area in self.click_areas():
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
ScreenDriver.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))
self.photo_image_id=ImageTk.PhotoImage(self.pil_image)
image_id=self.canvas.create_image(polygon_centre_x,polygon_centre_y,
image=self.photo_image_id,
anchor=CENTER,
tags=('pp-click-area',self.get(area,'name')),
state='hidden')
del self.pil_image
ScreenDriver.image_obj.append(self.photo_image_id)
# write the label at the centroid
if self.get(area,'text') != '':
ScreenDriver.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')
ScreenDriver.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):
overlapping = event.widget.find_overlapping(event.x-5,event.y-5,event.x+5,event.y+5)
for item in overlapping:
# print ScreenDriver.canvas.gettags(item)
if ('pp-click-area' in ScreenDriver.canvas.gettags(item)) and ScreenDriver.canvas.itemcget(item,'state') == 'normal':
self.mon.log(self, "Click on screen: "+ ScreenDriver.canvas.gettags(item)[1])
self.callback(ScreenDriver.canvas.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):
click_areas=ScreenDriver.canvas.find_withtag('pp-click-area')
for area in click_areas:
if test_area in ScreenDriver.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):
for link in links:
if self.is_click_area(link[0]) and link[1] != 'null':
# print 'enabling link ',link[0]
ScreenDriver.canvas.itemconfig(link[0],state='normal')
def hide_click_areas(self,links):
# hide click areas
for link in links:
if self.is_click_area(link[0]) and link[1] != 'null':
# print 'disabling link ',link[0]
ScreenDriver.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')
ScreenDriver.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 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 ShowManager(object):
"""
ShowManager manages PiPresents' concurrent shows. It does not manage sub-shows or child-shows but has a bit of common code to initilise them
concurrent shows are always top level (level 0) shows:
They can be opened/closed by the start show(open only) or by 'open/close myshow' in the Show Control field of players, by time of day sceduler or by OSC
Two shows with the same show reference cannot be run concurrently as there is no way to reference an individual instance.
However a workaround is to make the secong instance a subshow of a mediashow with a different reference.
"""
# Declare class variables
shows=[]
canvas=None #canvas for all 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
showlist=[]
# Initialise class variables, first time through only in pipresents.py
def init(self,canvas,all_shows_ended_callback,command_callback,showlist):
ShowManager.all_shows_ended_callback=all_shows_ended_callback
ShowManager.shows=[]
ShowManager.shutdown_required=False
ShowManager.canvas=canvas
ShowManager.command_callback = command_callback
ShowManager.showlist = showlist
# **************************************
# functions to manipulate show register
# **************************************
def register_shows(self):
for show in ShowManager.showlist.shows():
if show['show-ref'] != 'start':
reason,message=self.register_show(show['show-ref'])
if reason =='error':
return reason,message
return 'normal','shows regiistered'
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
self.mon.trace(self,' - register show: show_ref = ' + ref + ' index = ' + str(index))
return'normal','show registered'
else:
# self.mon.err(self, ' more than one show in showlist with show-ref: ' + ref )
return 'error', ' more than one show in showlist with show-ref: ' + ref
# 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
self.mon.trace(self, 'show_ref= ' + ShowManager.shows[index][ShowManager.SHOW_REF] + ' show_id= ' + str(index))
# is the show running?
def show_running(self,index):
if ShowManager.shows[index][ShowManager.SHOW_OBJ] is not None:
return ShowManager.shows[index][ShowManager.SHOW_OBJ]
else:
return None
def set_exited(self,index):
ShowManager.shows[index][ShowManager.SHOW_OBJ]=None
self.mon.trace(self,'show_ref= ' + ShowManager.shows[index][ShowManager.SHOW_REF] + ' show_id= ' + str(index))
# are all shows exited?
def all_shows_exited(self):
all_exited=True
for show in ShowManager.shows:
if show[ShowManager.SHOW_OBJ] is not None:
all_exited=False
return all_exited
# fromat for printing
def pretty_shows(self):
shows='\n'
for show in ShowManager.shows:
shows += show[ShowManager.SHOW_REF] +'\n'
return shows
# *********************************
# show control
# *********************************
# show manager can be initialised by a player, shower or by pipresents.py
# if by pipresents.py then show_id=-1
def __init__(self,show_id,showlist,show_params,root,canvas,pp_dir,pp_profile,pp_home):
self.show_id=show_id
self.showlist=showlist
self.show_params=show_params
self.root=root
self.show_canvas=canvas
self.pp_dir=pp_dir
self.pp_profile=pp_profile
self.pp_home=pp_home
self.mon=Monitor()
def control_a_show(self,show_ref,show_command):
if show_command == 'open':
return self.start_show(show_ref)
elif show_command == 'close':
return self.exit_show(show_ref)
else:
return 'error','command not recognised '+ show_command
def exit_all_shows(self):
for show in ShowManager.shows:
self.exit_show(show[ShowManager.SHOW_REF])
return 'normal','exited all shows'
# kick off the exit sequence of a show by calling the shows exit method.
# it will result in all the shows in a stack being closed and end_play_show being called
def exit_show(self,show_ref):
index=self.show_registered(show_ref)
self.mon.log(self,"Exiting show "+ show_ref + ' show index:' + str(index))
show_obj=self.show_running(index)
if show_obj is not None:
show_obj.exit()
return 'normal','exited a concurrent show'
def start_show(self,show_ref):
index=self.show_registered(show_ref)
if index <0:
return 'error',"Show not found in showlist: "+ show_ref
show_index = self.showlist.index_of_show(show_ref)
show=self.showlist.show(show_index)
reason,message,show_canvas=self.compute_show_canvas(show)
if reason == 'error':
return reason,message
# print 'STARTING TOP LEVEL SHOW',show_canvas
self.mon.log(self,'Starting Show: ' + show_ref + ' from: ' + self.show_params['show-ref'])
if self.show_running(index):
self.mon.warn(self,"show already running so ignoring command: "+show_ref)
return 'normal','this concurrent show already running'
show_obj = self.init_show(index,show,show_canvas)
if show_obj is None:
return 'error',"unknown show type in start concurrent show - "+ show['type']
else:
self.set_running(index,show_obj)
# params - end_callback, show_ready_callback, parent_kickback_signal, level
show_obj.play(self._end_play_show,None,False,0,[])
return 'normal','concurrent show started'
# used by shows to create subshows or child shows
def init_subshow(self,show_id,show,show_canvas):
return self.init_show(show_id,show,show_canvas)
def _end_play_show(self,index,reason,message):
show_ref_to_exit =ShowManager.shows[index][ShowManager.SHOW_REF]
show_to_exit =ShowManager.shows[index][ShowManager.SHOW_OBJ]
self.mon.log(self,'Exited from show: ' + show_ref_to_exit + ' ' + str(index) )
self.mon.log(self,'Exited with Reason = ' + reason)
self.mon.trace(self,' Show is: ' + show_ref_to_exit + ' show index ' + str(index))
# closes the video/audio from last track then closes the track
# print 'show to exit ',show_to_exit, show_to_exit.current_player,show_to_exit.previous_player
self.set_exited(index)
if self.all_shows_exited() is True:
ShowManager.all_shows_ended_callback(reason,message)
return reason,message
# common function to initilaise the show by type
def init_show(self,show_id,selected_show,show_canvas,):
if selected_show['type'] == "mediashow":
return MediaShow(show_id,
selected_show,
self.root,
show_canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile,
ShowManager.command_callback)
elif selected_show['type'] == "liveshow":
return LiveShow(show_id,
selected_show,
self.root,
show_canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile,
ShowManager.command_callback)
elif selected_show['type'] == "radiobuttonshow":
return RadioButtonShow(show_id,
selected_show,
self.root,
show_canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile,
ShowManager.command_callback)
elif selected_show['type'] == "hyperlinkshow":
return HyperlinkShow(show_id,
selected_show,
self.root,
show_canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile,
ShowManager.command_callback)
elif selected_show['type'] == "menu":
return MenuShow(show_id,
selected_show,
self.root,
show_canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile,
ShowManager.command_callback)
elif selected_show['type'] == "artmediashow":
return ArtMediaShow(show_id,
selected_show,
self.root,
show_canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile,
ShowManager.command_callback)
elif selected_show['type'] == "artliveshow":
return ArtLiveShow(show_id,
selected_show,
self.root,
show_canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile,
ShowManager.command_callback)
else:
return None
def compute_show_canvas(self,show_params):
canvas={}
canvas['canvas-obj']= ShowManager.canvas
status,message,self.show_canvas_x1,self.show_canvas_y1,self.show_canvas_x2,self.show_canvas_y2= self.parse_show_canvas(show_params['show-canvas'])
if status == 'error':
# self.mon.err(self,'show canvas error: ' + message + ' in ' + show_params['show-canvas'])
return 'error','show canvas error: ' + message + ' in ' + show_params['show-canvas'],canvas
else:
self.show_canvas_width = self.show_canvas_x2 - self.show_canvas_x1
self.show_canvas_height=self.show_canvas_y2 - self.show_canvas_y1
self.show_canvas_centre_x= self.show_canvas_width/2
self.show_canvas_centre_y= self.show_canvas_height/2
canvas['show-canvas-x1'] = self.show_canvas_x1
canvas['show-canvas-y1'] = self.show_canvas_y1
canvas['show-canvas-x2'] = self.show_canvas_x2
canvas['show-canvas-y2'] = self.show_canvas_y2
canvas['show-canvas-width'] = self.show_canvas_width
canvas['show-canvas-height'] = self.show_canvas_height
canvas['show-canvas-centre-x'] = self.show_canvas_centre_x
canvas['show-canvas-centre-y'] = self.show_canvas_centre_y
return 'normal','',canvas
def parse_show_canvas(self,text):
fields = text.split()
# blank so show canvas is the whole screen
if len(fields) < 1:
return 'normal','',0,0,int(self.canvas['width']),int(self.canvas['height'])
elif len(fields) == 4:
# window is specified
if not (fields[0].isdigit() and fields[1].isdigit() and fields[2].isdigit() and fields[3].isdigit()):
return 'error','coordinates are not positive integers',0,0,0,0
return 'normal','',int(fields[0]),int(fields[1]),int(fields[2]),int(fields[3])
else:
# error
return 'error','illegal Show canvas dimensions '+ text,0,0,0,0
class PiPresents(object):
def __init__(self):
gc.set_debug(gc.DEBUG_UNCOLLECTABLE | gc.DEBUG_INSTANCES
| gc.DEBUG_OBJECTS | gc.DEBUG_SAVEALL)
self.pipresents_issue = "1.3"
self.pipresents_minorissue = '1.3.1g'
# 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
self.pp_background = 'black'
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:\n{0}".format(pp_dir))
exit(103)
# 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', 'pp_paths', 'HyperlinkShow', 'RadioButtonShow',
'ArtLiveShow', 'ArtMediaShow', 'MediaShow', 'LiveShow', 'MenuShow',
'PathManager', 'ControlsManager', 'ShowManager', 'PluginManager',
'MplayerDriver', 'OMXDriver', 'UZBLDriver', 'KbdDriver',
'GPIODriver', 'TimeOfDay', 'ScreenDriver', 'Animate', 'OSCDriver'
]
# Monitor.classes=['PiPresents','ArtMediaShow','VideoPlayer','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.log(
self,
"Pi Presents is starting, Version:" + self.pipresents_minorissue)
# self.mon.log (self," OS and separator:" + os.name +' ' + os.sep)
self.mon.log(self, "sys.path[0] - location of code: " + sys.path[0])
if os.geteuid() != 0:
user = os.getenv('USER')
else:
user = os.getenv('SUDO_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
# 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
# get home path from -o option
self.pp_home = pp_paths.get_home(self.options['home'])
if self.pp_home is None:
self.end('error', 'Failed to find pp_home')
# get profile path from -p option
# pp_profile is the full path to the directory that contains
# pp_showlist.json and other files for the profile
self.pp_profile = pp_paths.get_profile_dir(self.pp_home,
self.options['profile'])
if self.pp_profile is None:
self.end('error', 'Failed to find profile')
# check profile exists
if os.path.exists(self.pp_profile):
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 profile')
self.mon.start_stats(self.options['profile'])
# check 'verify' option
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')
# 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')
if self.starter_show['start-show'] == '':
self.mon.warn(self, "No Start Shows in Start Show")
# ********************
# 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.pp_background)
self.mon.log(
self, 'native screen dimensions are ' +
str(self.root.winfo_screenwidth()) + ' x ' +
str(self.root.winfo_screenheight()) + ' pixcels')
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, 'commanded screen dimensions are ' + str(self.screen_width) +
' x ' + str(self.screen_height) + ' pixcels')
# 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 1>&- 2>&- &'
) # Suppress 'someone created a subwindow' complaints from 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')
# canvs 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.pp_background)
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 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.exitpipresents_required = False
# 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 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.end('error', message)
else:
self.osc_enabled = True
self.root.after(1000, self.oscdriver.start_server())
# and run the start shows
self.run_start_shows()
# set up the time of day scheduler including catchup
self.tod_enabled = False
if os.path.exists(self.pp_profile + os.sep + 'schedule.json'):
# kick off the time of day scheduler which may run additional shows
self.tod = TimeOfDay()
self.tod.init(pp_dir, self.pp_home, self.pp_profile, self.root,
self.handle_command)
self.tod_enabled = True
# then start the time of day scheduler
if self.tod_enabled is True:
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 --fullscreen comand option', 0, 0
elif fields[0].isdigit() is False or fields[1].isdigit() is False:
return 'error', 'dimensions are not positive integers in ---fullscreen', 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):
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'):
if self.shutdown_required is False:
reason, message = self.show_manager.control_a_show(
show_ref, show_command)
else:
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 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")
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.pp_background)
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':
self.mon.log(self, "Pi Presents Aborted, au revoir")
# close logging files
self.mon.finish()
sys.exit(101)
elif reason == 'error':
self.mon.log(self, "Pi Presents closing because of error, sorry")
# close logging files
self.mon.finish()
sys.exit(102)
else:
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', '-h', '-t 5', 'now'])
sys.exit(100)
else:
sys.exit(100)
# tidy up all the peripheral bits of Pi Presents
def tidy_up(self):
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 PPEditor(object):
# ***************************************
# INIT
# ***************************************
def __init__(self):
self.editor_issue="1.3"
# 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.init()
Monitor.classes = ['PPEditor','EditItem','Validator']
Monitor.log_level = int(self.command_options['debug'])
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()
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 = StringVar()
self.display_selected_track_title = StringVar()
self.display_show = 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='Art Media Show', command = self.new_artmediashow_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='Art Live Show', command = self.new_artliveshow_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_menushow)
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)
stypemenu.add_command(label='ArtMediaShow', command = self.add_artmediashow)
stypemenu.add_command(label='ArtLiveShow', command = self.add_artliveshow)
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)
medialistmenu.add_command(label='Copy To', command = self.copy_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 Track', command = self.new_menu_track)
trackmenu.add_cascade(label='New', menu = typemenu)
oscmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
menubar.add_cascade(label='OSC', menu = oscmenu)
oscmenu.add_command(label='Create OSC configuration', command = self.create_osc)
oscmenu.add_command(label='Edit OSC Configuration', command = self.edit_osc)
oscmenu.add_command(label='Delete OSC Configuration', command = self.delete_osc)
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=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)
# define display of medialists
scrollbar = Scrollbar(medialists_frame, orient=VERTICAL)
self.medialists_display = Listbox(medialists_frame, selectmode=SINGLE, height=12,
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=VERTICAL)
self.tracks_display = Listbox(tracks_frame, selectmode=SINGLE, height=25,
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 and OSC config class
self.options=Options(self.pp_dir) # creates options file in code directory if necessary
self.osc_config=OSCConfig()
# 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.pp_profiles_offset = self.options.pp_profiles_offset
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,"Current Profiles Offset from options is "+self.pp_profiles_offset)
self.mon.log(self,"Initial Media from options is "+self.initial_media_dir)
self.pp_profile_dir=''
self.osc_config_file = ''
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 is 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)
# **************
# OSC CONFIGURATION
# **************
def create_osc(self):
if self.pp_profile_dir=='':
return
if self.osc_config.read(self.osc_config_file) is False:
iodir=self.pp_profile_dir+os.sep+'pp_io_config'
if not os.path.exists(iodir):
os.makedirs(iodir)
self.osc_config.create(self.osc_config_file)
def edit_osc(self):
if self.osc_config.read(self.osc_config_file) is False:
# print 'no config file'
return
osc_ut=OSCUnitType(self.root,self.osc_config.this_unit_type)
self.req_unit_type=osc_ut.result
if self.req_unit_type != None:
# print self.req_unit_type
eosc = OSCEditor(self.root, self.osc_config_file,self.req_unit_type,'Edit OSC Configuration')
def delete_osc(self):
if self.osc_config.read(self.osc_config_file) is False:
return
os.rename(self.osc_config_file,self.osc_config_file+'.bak')
# **************
# PROFILES
# **************
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("Editor for Pi Presents - "+ self.pp_profile_dir)
if self.open_showlist(self.pp_profile_dir) is False:
self.init()
return
self.open_medialists(self.pp_profile_dir)
self.refresh_tracks_display()
self.osc_config_file=self.pp_profile_dir+os.sep+'pp_io_config'+os.sep+'osc.cfg'
def new_profile(self,profile):
d = Edit1Dialog(self.root,"New Profile","Name", "")
if d .result is 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"+ self.pp_profiles_offset + os.sep + name
if os.path.exists(to) is 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+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep + 'ppt_exhibit_1p3'
self.new_profile(profile)
def new_interactive_profile(self):
profile = self.pp_dir+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep + 'ppt_interactive_1p3'
self.new_profile(profile)
def new_menu_profile(self):
profile = self.pp_dir+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep + 'ppt_menu_1p3'
self.new_profile(profile)
def new_presentation_profile(self):
profile = self.pp_dir+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep + 'ppt_presentation_1p3'
self.new_profile(profile)
def new_blank_profile(self):
profile = self.pp_dir+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep +"ppt_blank_1p3"
self.new_profile(profile)
def new_mediashow_profile(self):
profile = self.pp_dir+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep + 'ppt_mediashow_1p3'
self.new_profile(profile)
def new_liveshow_profile(self):
profile = self.pp_dir+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep + 'ppt_liveshow_1p3'
self.new_profile(profile)
def new_artmediashow_profile(self):
profile = self.pp_dir+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep + 'ppt_artmediashow_1p3'
self.new_profile(profile)
def new_artliveshow_profile(self):
profile = self.pp_dir+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep + 'ppt_artliveshow_1p3'
self.new_profile(profile)
def new_radiobuttonshow_profile(self):
profile = self.pp_dir+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep + 'ppt_radiobuttonshow_1p3'
self.new_profile(profile)
def new_hyperlinkshow_profile(self):
profile = self.pp_dir+os.sep+'pp_resources'+os.sep+'pp_templates'+os.sep + 'ppt_hyperlinkshow_1p3'
self.new_profile(profile)
# ***************************************
# Shows
# ***************************************
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) or (self.command_options['forceupdate'] is 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,showlist_dir):
if self.current_showlist is not None:
showlist_file = showlist_dir + os.sep + "pp_showlist.json"
self.current_showlist.save_list(showlist_file)
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_artliveshow(self):
self.add_show(PPdefinitions.new_shows['artliveshow'])
def add_artmediashow(self):
self.add_show(PPdefinitions.new_shows['artmediashow'])
def add_menushow(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 is not None:
d = Edit1Dialog(self.root,"AddShow","Show Reference", "")
if d.result is 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 is not 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 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.refresh_shows_display()
def copy_show(self):
if self.current_showlist is not 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 is not 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 is True:
self.save_showlist(self.pp_profile_dir)
self.refresh_shows_display()
# ***************************************
# Medialists
# ***************************************
def open_medialists(self,profile_dir):
self.medialists = []
for this_file in os.listdir(profile_dir):
if this_file.endswith(".json") and this_file not in ('pp_showlist.json','schedule.json'):
self.medialists = self.medialists + [this_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 is None:
d = Edit1Dialog(self.root,"Add Medialist","File", "")
if d.result is 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) is 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 copy_medialist(self,to_file=None):
if self.current_medialist is not None:
#from_file= self.current_medialist
from_file= self.medialists[self.current_medialists_index]
if to_file is None:
d = Edit1Dialog(self.root,"Copy Medialist","File", "")
if d.result is None:
return ''
to_file=str(d.result)
if to_file == "":
tkMessageBox.showwarning("Copy medialist","Name is blank")
return ''
success_file = self.copy_medialist_file(from_file,to_file)
if success_file =='':
return ''
# append it to the list
self.medialists.append(copy.deepcopy(success_file))
# add title to medialists display
self.medialists_display.insert(END, success_file)
# and reset selected medialist
self.current_medialist=None
self.refresh_medialists_display()
self.refresh_tracks_display()
return success_file
else:
return ''
def copy_medialist_file(self,from_file,to_file):
if not to_file.endswith(".json"):
to_file+=(".json")
to_path = self.pp_profile_dir + os.sep + to_file
if os.path.exists(to_path) is True:
tkMessageBox.showwarning("Copy medialist","Medialist file exists\n(%s)" % to_path)
return ''
from_path= self.pp_profile_dir + os.sep + from_file
if os.path.exists(from_path) is False:
tkMessageBox.showwarning("Copy medialist","Medialist file not found\n(%s)" % from_path)
return ''
shutil.copy(from_path,to_path)
return to_file
def remove_medialist(self):
if self.current_medialist is not 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('ordered')
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 is not 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)
medialist_file = self.pp_profile_dir+ os.sep + basefile
self.current_medialist.save_list(medialist_file)
# ***************************************
# Tracks
# ***************************************
def refresh_tracks_display(self):
self.tracks_display.delete(0,self.tracks_display.size())
if self.current_medialist is not 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 is not 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 is not 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 is True:
self.save_medialist()
self.refresh_tracks_display()
def move_track_up(self):
if self.current_medialist is not 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 is not 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 is not 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 is not 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_track(self):
self.new_track(PPdefinitions.new_tracks['menu'],None)
def remove_track(self):
if self.current_medialist is not 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 is 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 is 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 this_file in os.listdir(directory):
(root_file,ext_file)= os.path.splitext(this_file)
if ext_file.lower() in exts:
file_path=directory+os.sep+this_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") is 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 + " - cannot determine track type, use menu track>new")
# *********************************************
# UPDATE PROFILE
# **********************************************
def update_all(self):
self.init()
for profile_file in os.listdir(self.pp_home_dir+os.sep+'pp_profiles'+self.pp_profiles_offset):
# self.mon.log (self,"Updating "+profile_file)
self.pp_profile_dir = self.pp_home_dir+os.sep+'pp_profiles'+self.pp_profiles_offset + 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.current_showlist.open_json(self.pp_profile_dir+os.sep+"pp_showlist.json")
self.mon.log (self,"Version of profile "+ profile_file + ' is ' + self.current_showlist.sissue())
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'] is 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," Skipping Profile " + profile_file + " It is already up to date ")
self.init()
tkMessageBox.showwarning("Pi Presents","All profiles updated")
def update_profile(self):
self.update_medialists() # medialists and their tracks
self.update_shows() #shows in showlist, also creates menu tracks for 1.2>1.3
def update_shows(self):
# open showlist into a list of dictionaries
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()
# special 1.2>1.3 create menu medialists with menu track from show
#go through shows - if type = menu and version is greater copy its medialist to a new medialist with name = <show-ref>-menu1p3.json
for show in shows:
#create a new medialist medialist != show-ref as menus can't now share medialists
if show['type']=='menu' and float(self.current_showlist.sissue())<float(self.editor_issue):
to_file=show['show-ref']+'-menu1p3.json'
from_file = show['medialist']
if to_file != from_file:
self.copy_medialist_file(from_file,to_file)
else:
self.mon.warn(self, 'medialist file' + to_file + ' already exists, must exit with incomplete update')
return False
#update the reference to the medialist
show['medialist']=to_file
#delete show fields so they are recreated with new default content
del show['controls']
# open the medialist and add the menu track then populate some of its fields from the show
ifile = open(self.pp_profile_dir + os.sep + to_file, 'rb')
tracks = json.load(ifile)['tracks']
ifile.close()
new_track=copy.deepcopy(PPdefinitions.new_tracks['menu'])
tracks.append(copy.deepcopy(new_track))
# copy menu parameters from menu show to menu track and init values of some
self.transfer_show_params(show,tracks,'menu-track',("entry-colour","entry-font", "entry-select-colour",
"hint-colour", "hint-font", "hint-text", "hint-x","hint-y",
"menu-bullet", "menu-columns", "menu-direction", "menu-guidelines",
"menu-horizontal-padding", "menu-horizontal-separation", "menu-icon-height", "menu-icon-mode",
"menu-icon-width", "menu-rows", "menu-strip", "menu-strip-padding", "menu-text-height", "menu-text-mode", "menu-text-width",
"menu-vertical-padding", "menu-vertical-separation",
"menu-window"))
# and save the medialist
dic={'issue':self.editor_issue,'tracks':tracks}
ofile = open(self.pp_profile_dir + os.sep + to_file, "wb")
json.dump(dic,ofile,sort_keys=True,indent=1)
# end for show in shows
#update the fields in all shows
replacement_shows=self.update_shows_in_showlist(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)
return True
def transfer_show_params(self,show,tracks,track_ref,fields):
# find the menu track in medialist
for index,track in enumerate(tracks):
if track['track-ref']== 'menu-track':
break
#update some fields with new default content
tracks[index]['links']=PPdefinitions.new_tracks['menu']['links']
#transfer values from show to track
for field in fields:
tracks[index][field]=show[field]
# print show[field], tracks[index][field]
pass
def update_medialists(self):
# UPDATE MEDIALISTS AND THEIR TRACKS
for this_file in os.listdir(self.pp_profile_dir):
if this_file.endswith(".json") and this_file not in ('pp_showlist.json','schedule.json'):
self.mon.log (self,"Updating medialist " + this_file)
# open a medialist and update its tracks
ifile = open(self.pp_profile_dir + os.sep + this_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 + this_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']
#update if new tracks has the track type otherwise skip
if track_type in PPdefinitions.new_tracks:
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_in_showlist(self,old_shows):
# get correct spec from type of field
replacement_shows=[]
for old_show in old_shows:
show_type=old_show['type']
## menu to menushow
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 OSCDriver(object):
# executed by main program
def init(self,pp_profile,manager_unit,preferred_interface,my_ip,show_command_callback,input_event_callback,animate_callback):
self.pp_profile=pp_profile
self.show_command_callback=show_command_callback
self.input_event_callback=input_event_callback
self.animate_callback=animate_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 not found: '+config_file)
return'error','OSC Configuration file nof found: '+config_file
self.mon.log(self, 'OSC Configuration file found at: '+config_file)
self.osc_config=OSCConfig()
# reads config data
if self.osc_config.read(config_file) ==False:
return 'error','failed to read osc.cfg'
# unpack config data and initialise
if self.osc_config.this_unit_name =='':
return 'error','OSC Config - This Unit has no name'
if len(self.osc_config.this_unit_name.split())>1:
return 'error','OSC config - This Unit Name not a single word: '+self.osc_config.this_unit_name
self.this_unit_name=self.osc_config.this_unit_name
if self.osc_config.this_unit_ip=='':
self.this_unit_ip=my_ip
else:
self.this_unit_ip=self.osc_config.this_unit_ip
if self.osc_config.slave_enabled == 'yes':
if not self.osc_config.listen_port.isdigit():
return 'error','OSC Config - Listen port is not a positve number: '+ self.osc_config.listen_port
self.listen_port= self.osc_config.listen_port
if self.osc_config.master_enabled == 'yes':
if not self.osc_config.reply_listen_port.isdigit():
return 'error','OSC Config - Reply Listen port is not a positve number: '+ self.osc_config.reply_listen_port
self.reply_listen_port= self.osc_config.reply_listen_port
# prepare the list of slaves
status,message=self.parse_slaves()
if status=='error':
return status,message
self.prefix='/pipresents'
self.this_unit='/' + self.this_unit_name
self.input_server=None
self.input_reply_client=None
self.input_st=None
self.output_client=None
self.output_reply_server=None
self.output_reply_st=None
if self.osc_config.slave_enabled == 'yes' and self.osc_config.master_enabled == 'yes' and self.listen_port == self.reply_listen_port:
# The two listen ports are the same so use one server for input and output
#start the client that sends commands to the slaves
self.output_client=OSC.OSCClient()
self.mon.log(self, 'sending commands to slaves and replies to master on: '+self.reply_listen_port)
#start the input+output reply server
self.mon.log(self, 'listen to commands and replies from slave units using: ' + self.this_unit_ip+':'+self.reply_listen_port)
self.output_reply_server=myOSCServer((self.this_unit_ip,int(self.reply_listen_port)),self.output_client)
self.add_default_handler(self.output_reply_server)
self.add_input_handlers(self.output_reply_server)
self.add_output_reply_handlers(self.output_reply_server)
self.input_server=self.output_reply_server
else:
if self.osc_config.slave_enabled == 'yes':
# we want this to be a slave to something else
# start the client that sends replies to controlling unit
self.input_reply_client=OSC.OSCClient()
#start the input server
self.mon.log(self, 'listening to commands on: ' + self.this_unit_ip+':'+self.listen_port)
self.input_server=myOSCServer((self.this_unit_ip,int(self.listen_port)),self.input_reply_client)
self.add_default_handler(self.input_server)
self.add_input_handlers(self.input_server)
print self.pretty_list(self.input_server.getOSCAddressSpace(),'\n')
if self.osc_config.master_enabled =='yes':
#we want to control other units
#start the client that sends commands to the slaves
self.output_client=OSC.OSCClient()
self.mon.log(self, 'sending commands to slaves on port: '+self.reply_listen_port)
#start the output reply server
self.mon.log(self, 'listen to replies from slave units using: ' + self.this_unit_ip+':'+self.reply_listen_port)
self.output_reply_server=myOSCServer((self.this_unit_ip,int(self.reply_listen_port)),self.output_client)
self.add_default_handler(self.output_reply_server)
self.add_output_reply_handlers(self.output_reply_server)
return 'normal','osc.cfg read'
def terminate(self):
if self.input_server != None:
self.input_server.close()
if self.output_reply_server != None:
self.output_reply_server.close()
self.mon.log(self, 'Waiting for Server threads to finish')
if self.input_st != None:
self.input_st.join() ##!!!
if self.output_reply_st != None:
self.output_reply_st.join() ##!!!
self.mon.log(self,'server threads closed')
if self.input_reply_client !=None:
self.input_reply_client.close()
if self.output_client !=None:
self.output_client.close()
def start_server(self):
# Start input Server
self.mon.log(self,'Starting input OSCServer')
if self.input_server != None:
self.input_st = threading.Thread( target = self.input_server.serve_forever )
self.input_st.start()
# Start output_reply server
self.mon.log(self,'Starting output reply OSCServer')
if self.output_reply_server != None:
self.output_reply_st = threading.Thread( target = self.output_reply_server.serve_forever )
self.output_reply_st.start()
def parse_slaves(self):
name_list=self.osc_config.slave_units_name.split()
ip_list=self.osc_config.slave_units_ip.split()
if len(name_list)==0:
return 'error','OSC Config - List of slaves name is empty'
if len(name_list) != len(ip_list):
return 'error','OSC Config - Lengths of list of slaves name and slaves IP is different'
self.slave_name_list=[]
self.slave_ip_list=[]
for i, name in enumerate(name_list):
self.slave_name_list.append(name)
self.slave_ip_list.append(ip_list[i])
return 'normal','slaves parsed'
def parse_osc_command(self,fields):
# send message to slave unit - INTERFACE WITH pipresents
if len(fields) <2:
return 'error','too few fields in OSC command '+' '.join(fields)
to_unit_name=fields[0]
show_command=fields[1]
# print 'FIELDS ',fields
# send an arbitary osc message
if show_command == 'send':
if len(fields)>2:
osc_address= fields[2]
arg_list=[]
if len(fields)>3:
arg_list=fields[3:]
else:
return 'error','OSC - wrong nmber of fields in '+ ' '.join(fields)
elif show_command in ('open','close','openexclusive'):
if len(fields)==3:
osc_address=self.prefix+'/'+ to_unit_name + '/core/'+ show_command
arg_list= [fields[2]]
else:
return 'error','OSC - wrong number of fields in '+ ' '.join(fields)
elif show_command =='monitor':
if fields[2] in ('on','off'):
osc_address=self.prefix+'/'+ to_unit_name + '/core/'+ show_command
arg_list=[fields[2]]
else:
self.mon.err(self,'OSC - illegal state in '+ show_command + ' '+fields[2])
elif show_command =='event':
if len(fields)==3:
osc_address=self.prefix+'/'+ to_unit_name + '/core/'+ show_command
arg_list= [fields[2]]
elif show_command == 'animate':
if len(fields)>2:
osc_address=self.prefix+'/'+ to_unit_name + '/core/'+ show_command
arg_list= fields[2:]
else:
return 'error','OSC - wrong nmber of fields in '+ ' '.join(fields)
elif show_command in ('closeall','exitpipresents','shutdownnow','reboot'):
if len(fields)==2:
osc_address=self.prefix+'/'+ to_unit_name + '/core/'+ show_command
arg_list= []
else:
return 'error','OSC - wrong nmber of fields in '+ ' '.join(fields)
elif show_command in ('loopback','server-info'):
if len(fields)==2:
osc_address=self.prefix+'/'+ to_unit_name + '/system/'+ show_command
arg_list= []
else:
return 'error','OSC - wrong nmber of fields in '+ ' '.join(fields)
else:
return 'error','OSC - unkown command in '+ ' '.join(fields)
ip=self.find_ip(to_unit_name,self.slave_name_list,self.slave_ip_list)
if ip=='':
return 'warn','OSC Unit Name not in the list of slaves: '+ to_unit_name
self.sendto(ip,osc_address,arg_list)
return 'normal','osc command sent'
def find_ip(self,name,name_list,ip_list):
i=0
for j in name_list:
if j == name:
break
i=i+1
if i==len(name_list):
return ''
else:
return ip_list[i]
def sendto(self,ip,osc_address,arg_list):
# print ip,osc_address,arg_list
if self.output_client is None:
self.mon.warn(self,'Master not enabled, ignoring OSC command')
return
msg = OSC.OSCMessage()
# print address
msg.setAddress(osc_address)
for arg in arg_list:
# print arg
msg.append(arg)
try:
self.output_client.sendto(msg,(ip,int(self.reply_listen_port)))
self.mon.log(self,'Sent OSC command: '+osc_address+' '+' '.join(arg_list) + ' to '+ ip +':'+self.reply_listen_port)
except Exception as e:
self.mon.warn(self,'error in client when sending OSC command: '+ str(e))
# **************************************
# Handlers for fallback
# **************************************
def add_default_handler(self,server):
server.addMsgHandler('default', self.no_match_handler)
def no_match_handler(self,addr, tags, stuff, source):
text= "No handler for message from %s" % OSC.getUrlStr(source)+'\n'
text+= " %s" % addr+ self.pretty_list(stuff,'')
self.mon.warn(self,text)
return None
# **************************************
# Handlers for Slave (input)
# **************************************
def add_input_handlers(self,server):
server.addMsgHandler(self.prefix + self.this_unit+"/system/server-info", self.server_info_handler)
server.addMsgHandler(self.prefix + self.this_unit+"/system/loopback", self.loopback_handler)
server.addMsgHandler(self.prefix+ self.this_unit+'/core/open', self.open_show_handler)
server.addMsgHandler(self.prefix+ self.this_unit+'/core/close', self.close_show_handler)
server.addMsgHandler(self.prefix+ self.this_unit+'/core/openexclusive', self.openexclusive_handler)
server.addMsgHandler(self.prefix+ self.this_unit+'/core/closeall', self.closeall_handler)
server.addMsgHandler(self.prefix+ self.this_unit+'/core/exitpipresents', self.exitpipresents_handler)
server.addMsgHandler(self.prefix+ self.this_unit+'/core/shutdownnow', self.shutdownnow_handler)
server.addMsgHandler(self.prefix+ self.this_unit+'/core/reboot', self.reboot_handler)
server.addMsgHandler(self.prefix+ self.this_unit+'/core/event', self.input_event_handler)
server.addMsgHandler(self.prefix+ self.this_unit+'/core/animate', self.animate_handler)
server.addMsgHandler(self.prefix+ self.this_unit+'/core/monitor', self.monitor_handler)
# reply to master unit with name of this unit and commands
def server_info_handler(self,addr, tags, stuff, source):
msg = OSC.OSCMessage(self.prefix+'/system/server-info-reply')
msg.append(self.this_unit_name)
msg.append(self.input_server.getOSCAddressSpace())
self.mon.log(self,'Sent Server Info reply to %s:' % OSC.getUrlStr(source))
return msg
# reply to master unit with a loopback message
def loopback_handler(self,addr, tags, stuff, source):
msg = OSC.OSCMessage(self.prefix+'/system/loopback-reply')
self.mon.log(self,'Sent loopback reply to %s:' % OSC.getUrlStr(source))
return msg
def open_show_handler(self,address, tags, args, source):
self.prepare_show_command_callback('open ',args,1)
def openexclusive_handler(self,address, tags, args, source):
self.prepare_show_command_callback('openexclusive ',args,1)
def close_show_handler(self,address, tags, args, source):
self.prepare_show_command_callback('close ', args,1)
def closeall_handler(self,address, tags, args, source):
self.prepare_show_command_callback('closeall',args,0)
def monitor_handler(self,address, tags, args, source):
self.prepare_show_command_callback('monitor ', args,1)
def exitpipresents_handler(self,address, tags, args, source):
self.prepare_show_command_callback('exitpipresents',args,0)
def reboot_handler(self,address, tags, args, source):
self.prepare_show_command_callback('reboot',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.mon.sched(self,TimeOfDay.now,'Received from OSC: '+ command + ' ' +args[0])
self.show_command_callback(command+args[0])
else:
self.mon.sched(self,TimeOfDay.now,'Received from OSC: '+ command)
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 animate_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'
print text
self.animate_callback(text)
else:
self.mon.warn(self,'OSC output event has no arguments - ignoring')
# **************************************
# Handlers for Master- replies from slaves (output)
# **************************************
# reply handlers do not have the destinatuion unit in the address as they are always sent to the originator
def add_output_reply_handlers(self,server):
server.addMsgHandler(self.prefix+"/system/server-info-reply", self.server_info_reply_handler)
server.addMsgHandler(self.prefix+"/system/loopback-reply", self.loopback_reply_handler)
# print result of info request from slave unit
def server_info_reply_handler(self,addr, tags, stuff, source):
self.mon.log(self,'server info reply from slave '+OSC.getUrlStr(source)+ self.pretty_list(stuff,'\n'))
print 'Received reply to Server-Info command from slave: ',OSC.getUrlStr(source), self.pretty_list(stuff,'\n')
return None
#print result of info request from slave unit
def loopback_reply_handler(self,addr, tags, stuff, source):
self.mon.log(self,'server info reply from slave '+OSC.getUrlStr(source)+ self.pretty_list(stuff,'\n'))
print 'Received reply to Loopback command from slave: ' + OSC.getUrlStr(source)+ ' '+ self.pretty_list(stuff,'\n')
return None
def pretty_list(self,fields, separator):
text=' '
for field in fields:
text += str(field) + separator
return text+'\n'
class pp_inputdevicedriver(object):
"""
pp_inputdevicedriver interfaces with the Linux generic input devices, for example USB keybads or remotes
that is, ones that have a file in /dev/input
- configures and binds key codes from specified .cfg file
- reads input events from /dev/input and decodes them using evdev, provides callbacks on state changes which generate input events
"""
# constants for buttons
# cofiguration from gpio.cfg
KEY_CODE=0 # pin on RPi board GPIO connector e.g. P1-11
DIRECTION = 1 # IN/OUT/NONE (None is not used)
RELEASED_NAME=2 # symbolic name for released callback
PRESSED_NAME=3 # symbolic name of pressed callback
UP_NAME=4 # symbolic name for up state callback
DOWN_NAME = 5 # symbolic name for down state callback
REPEAT = 6 # repeat interval for state callbacks (mS)
# dynamic data
PRESSED = 7 # variable - debounced state
LAST = 8 # varible - last state - used to detect edge
REPEAT_COUNT = 9
TEMPLATE = ['', # key code
'', # direction
'','','','', #input names
0, # repeat
False,False,0] #dynamics - pressed,last,repeat count
# CLASS VARIABLES (pp_inputdevicedriver.)
driver_active=False
title=''
KEYCODELIST=[] # list of keycodes read from .cfg file
key_codes=[] #dynamic list constructed from .cfg file and other dynamic variables
device_refs=[] # list of references to devices obtained by matching devide name against /dev/input
# executed by main program and by each object using gpio
def __init__(self):
self.mon=Monitor()
# executed once from main program
def init(self,filename,filepath,widget,button_callback=None):
# instantiate arguments
self.widget=widget
self.filename=filename
self.filepath=filepath
self.button_callback=button_callback
pp_inputdevicedriver.driver_active=False
# read .cfg file.
reason,message=self._read(self.filename,self.filepath)
if reason =='error':
return 'error',message
if self.config.has_section('DRIVER') is False:
return 'error','no DRIVER section in '+ self.filename
#read information from DRIVER section
pp_inputdevicedriver.title=self.config.get('DRIVER','title')
self.button_tick=int(self.config.get('DRIVER','tick-interval')) # in mS
keycode_text=self.config.get('DRIVER','key-codes')
pp_inputdevicedriver.KEYCODELIST = keycode_text.split(',')
# construct the key_code control list from the configuration
for index, key_code_def in enumerate(pp_inputdevicedriver.KEYCODELIST):
if self.config.has_section(key_code_def) is False:
self.mon.warn(self, "no key code definition for "+ key_code_def)
continue
else:
entry=copy.deepcopy(pp_inputdevicedriver.TEMPLATE)
# unused pin
entry[pp_inputdevicedriver.KEY_CODE]=key_code_def
if self.config.get(key_code_def,'direction') == 'none':
entry[pp_inputdevicedriver.DIRECTION]='none'
else:
entry[pp_inputdevicedriver.DIRECTION]=self.config.get(key_code_def,'direction')
if entry[pp_inputdevicedriver.DIRECTION] == 'in':
# input pin
entry[pp_inputdevicedriver.RELEASED_NAME]=self.config.get(key_code_def,'released-name')
entry[pp_inputdevicedriver.PRESSED_NAME]=self.config.get(key_code_def,'pressed-name')
entry[pp_inputdevicedriver.UP_NAME]=self.config.get(key_code_def,'up-name')
entry[pp_inputdevicedriver.DOWN_NAME]=self.config.get(key_code_def,'down-name')
if self.config.get(key_code_def,'repeat') != '':
entry[pp_inputdevicedriver.REPEAT]=int(self.config.get(key_code_def,'repeat'))
else:
entry[pp_inputdevicedriver.REPEAT]=-1
# add entry to working list of key_codes (list of lists [0] of sublist is key code
pp_inputdevicedriver.key_codes.append(copy.deepcopy(entry))
# find the input device
device_name=self.config.get('DRIVER','device-name')
pp_inputdevicedriver.device_refs=self.find_devices(device_name)
if pp_inputdevicedriver.device_refs==[]:
return 'warn','Cannot find device: '+device_name + ' for '+ pp_inputdevicedriver.title
pp_inputdevicedriver.driver_active=True
# init timer
self.button_tick_timer=None
self.mon.log(self,pp_inputdevicedriver.title+' active')
return 'normal',pp_inputdevicedriver.title+' active'
def find_devices(self,name):
devices = [evdev.InputDevice(fn) for fn in evdev.list_devices()]
matching=[]
# print '\nMatching devices references: '
for device in devices:
if name in device.name:
# print ' Ref:',device.fn, ' Name: ',device.name
device_ref = evdev.InputDevice(device.fn)
matching.append(device_ref)
return matching
# called by main program only
def start(self):
# poll for events then update all the buttons once
self.do_buttons()
self.button_tick_timer=self.widget.after(self.button_tick,self.start)
# allow track plugins (or anyting else) to access input values
def get_input(self,channel):
return False, None
# called by main program only
def terminate(self):
if pp_inputdevicedriver.driver_active is True:
if self.button_tick_timer is not None:
self.widget.after_cancel(self.button_tick_timer)
pp_inputdevicedriver.driver_active = False
# ************************************************
# inputdevice functions
# called by main program only
# ************************************************
def reset_input_state(self):
for entry in pp_inputdevicedriver.key_codes:
entry[pp_inputdevicedriver.PRESSED]=False
entry[pp_inputdevicedriver.LAST]=False
entry[pp_inputdevicedriver.REPEAT_COUNT]=entry[pp_inputdevicedriver.REPEAT]
def is_active(self):
return pp_inputdevicedriver.driver_active
def do_buttons(self):
# get and process new events from remote
self.get_events(pp_inputdevicedriver.device_refs)
# do the things that are done every tick
for index, entry in enumerate(pp_inputdevicedriver.key_codes):
if entry[pp_inputdevicedriver.DIRECTION] == 'in':
# detect falling edge
if entry[pp_inputdevicedriver.PRESSED] is True and entry[pp_inputdevicedriver.LAST] is False:
entry[pp_inputdevicedriver.LAST]=entry[pp_inputdevicedriver.PRESSED]
entry[pp_inputdevicedriver.REPEAT_COUNT]=entry[pp_inputdevicedriver.REPEAT]
if entry[pp_inputdevicedriver.PRESSED_NAME] != '' and self.button_callback is not None:
self.button_callback(entry[pp_inputdevicedriver.PRESSED_NAME],pp_inputdevicedriver.title)
# detect rising edge
if entry[pp_inputdevicedriver.PRESSED] is False and entry[pp_inputdevicedriver.LAST] is True:
entry[pp_inputdevicedriver.LAST]=entry[pp_inputdevicedriver.PRESSED]
entry[pp_inputdevicedriver.REPEAT_COUNT]=entry[pp_inputdevicedriver.REPEAT]
if entry[pp_inputdevicedriver.RELEASED_NAME] != '' and self.button_callback is not None:
self.button_callback(entry[pp_inputdevicedriver.RELEASED_NAME],pp_inputdevicedriver.title)
# do state callbacks
if entry[pp_inputdevicedriver.REPEAT_COUNT] == 0:
if entry[pp_inputdevicedriver.DOWN_NAME] != '' and entry[pp_inputdevicedriver.PRESSED] is True and self.button_callback is not None:
self.button_callback(entry[pp_inputdevicedriver.DOWN_NAME],pp_inputdevicedriver.title)
if entry[pp_inputdevicedriver.UP_NAME] != '' and entry[pp_inputdevicedriver.PRESSED] is False and self.button_callback is not None:
self.button_callback(entry[pp_inputdevicedriver.UP_NAME],pp_inputdevicedriver.title)
entry[pp_inputdevicedriver.REPEAT_COUNT]=entry[pp_inputdevicedriver.REPEAT]
else:
if entry[pp_inputdevicedriver.REPEAT] != -1:
entry[pp_inputdevicedriver.REPEAT_COUNT]-=1
def find_event_entry(self,event_code):
for entry in pp_inputdevicedriver.key_codes:
if entry[pp_inputdevicedriver.KEY_CODE]==event_code:
# print entry
return entry
return None
def get_events(self,matching):
# some input devices have more than one logical input device so use select to poll all of the devices
r,w,x = select(matching, [], [],0)
if r==[] and w==[] and x==[]:
# print 'no event'
return
self.process_events(r)
def process_events(self,r):
for re in r:
for event in re.read():
# print '\nEvent Rxd: ',event,'\n',evdev.categorize(event)
if event.type == evdev.ecodes.EV_KEY:
# print 'Key Event Rxd: ',event
key_event = evdev.categorize(event)
self.process_event(key_event.keycode,key_event.keystate)
def process_event(self,event_code,button_state):
event_entry=self.find_event_entry(event_code)
if event_entry is None or event_entry[pp_inputdevicedriver.DIRECTION] != 'in':
self.mon.warn(self,'input event key code not in list of key codes or direction not in')
else:
if button_state==1:
# print event_code, 'Pressed'
event_entry[pp_inputdevicedriver.PRESSED] = True
elif button_state==0:
# print event_code, 'Released'
event_entry[pp_inputdevicedriver.PRESSED] = False
else:
# ignore other button states
pass
# print 'unknown state: ',button_state
# ***********************************
# output events
# ************************************
# execute an output event
def handle_output_event(self,name,param_type,param_values,req_time):
return 'normal',pp_inputdevicedriver.title + ' does not accept outputs'
def reset_outputs(self):
return
# ***********************************
# reading .cfg file
# ************************************
def _read(self,filename,filepath):
# try inside profile
if os.path.exists(filepath):
self.config = ConfigParser.ConfigParser()
self.config.read(filepath)
self.mon.log(self,filename + " read from "+ filepath)
return 'normal',filename+' read'
else:
return 'error',filename + ' not found at: '+filepath
class OSCDriver(object):
# executed by main program
def init(self, pp_profile, manager_unit, preferred_interface, my_ip,
show_command_callback, input_event_callback, animate_callback):
self.pp_profile = pp_profile
self.show_command_callback = show_command_callback
self.input_event_callback = input_event_callback
self.animate_callback = animate_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 not found: ' + config_file)
return 'error', 'OSC Configuration file nof found: ' + config_file
self.mon.log(self, 'OSC Configuration file found at: ' + config_file)
self.osc_config = OSCConfig()
# reads config data
if self.osc_config.read(config_file) == False:
return 'error', 'failed to read osc.cfg'
# unpack config data and initialise
if self.osc_config.this_unit_name == '':
return 'error', 'OSC Config - This Unit has no name'
if len(self.osc_config.this_unit_name.split()) > 1:
return 'error', 'OSC config - This Unit Name not a single word: ' + self.osc_config.this_unit_name
self.this_unit_name = self.osc_config.this_unit_name
if self.osc_config.this_unit_ip == '':
self.this_unit_ip = my_ip
else:
self.this_unit_ip = self.osc_config.this_unit_ip
if self.osc_config.slave_enabled == 'yes':
if not self.osc_config.listen_port.isdigit():
return 'error', 'OSC Config - Listen port is not a positve number: ' + self.osc_config.listen_port
self.listen_port = self.osc_config.listen_port
if self.osc_config.master_enabled == 'yes':
if not self.osc_config.reply_listen_port.isdigit():
return 'error', 'OSC Config - Reply Listen port is not a positve number: ' + self.osc_config.reply_listen_port
self.reply_listen_port = self.osc_config.reply_listen_port
# prepare the list of slaves
status, message = self.parse_slaves()
if status == 'error':
return status, message
self.prefix = '/pipresents'
self.this_unit = '/' + self.this_unit_name
self.input_server = None
self.input_reply_client = None
self.input_st = None
self.output_client = None
self.output_reply_server = None
self.output_reply_st = None
if self.osc_config.slave_enabled == 'yes' and self.osc_config.master_enabled == 'yes' and self.listen_port == self.reply_listen_port:
# The two listen ports are the same so use one server for input and output
#start the client that sends commands to the slaves
self.output_client = OSC.OSCClient()
self.mon.log(
self, 'sending commands to slaves and replies to master on: ' +
self.reply_listen_port)
#start the input+output reply server
self.mon.log(
self,
'listen to commands and replies from slave units using: ' +
self.this_unit_ip + ':' + self.reply_listen_port)
self.output_reply_server = myOSCServer(
(self.this_unit_ip, int(self.reply_listen_port)),
self.output_client)
self.add_default_handler(self.output_reply_server)
self.add_input_handlers(self.output_reply_server)
self.add_output_reply_handlers(self.output_reply_server)
self.input_server = self.output_reply_server
else:
if self.osc_config.slave_enabled == 'yes':
# we want this to be a slave to something else
# start the client that sends replies to controlling unit
self.input_reply_client = OSC.OSCClient()
#start the input server
self.mon.log(
self, 'listening to commands on: ' + self.this_unit_ip +
':' + self.listen_port)
self.input_server = myOSCServer(
(self.this_unit_ip, int(self.listen_port)),
self.input_reply_client)
self.add_default_handler(self.input_server)
self.add_input_handlers(self.input_server)
# print self.pretty_list(self.input_server.getOSCAddressSpace(),'\n')
if self.osc_config.master_enabled == 'yes':
#we want to control other units
#start the client that sends commands to the slaves
self.output_client = OSC.OSCClient()
self.mon.log(
self, 'sending commands to slaves on port: ' +
self.reply_listen_port)
#start the output reply server
self.mon.log(
self, 'listen to replies from slave units using: ' +
self.this_unit_ip + ':' + self.reply_listen_port)
self.output_reply_server = myOSCServer(
(self.this_unit_ip, int(self.reply_listen_port)),
self.output_client)
self.add_default_handler(self.output_reply_server)
self.add_output_reply_handlers(self.output_reply_server)
return 'normal', 'osc.cfg read'
def terminate(self):
if self.input_server != None:
self.input_server.close()
if self.output_reply_server != None:
self.output_reply_server.close()
self.mon.log(self, 'Waiting for Server threads to finish')
if self.input_st != None:
self.input_st.join() ##!!!
if self.output_reply_st != None:
self.output_reply_st.join() ##!!!
self.mon.log(self, 'server threads closed')
if self.input_reply_client != None:
self.input_reply_client.close()
if self.output_client != None:
self.output_client.close()
def start_server(self):
# Start input Server
self.mon.log(self, 'Starting input OSCServer')
if self.input_server != None:
self.input_st = threading.Thread(
target=self.input_server.serve_forever)
self.input_st.start()
# Start output_reply server
self.mon.log(self, 'Starting output reply OSCServer')
if self.output_reply_server != None:
self.output_reply_st = threading.Thread(
target=self.output_reply_server.serve_forever)
self.output_reply_st.start()
def parse_slaves(self):
name_list = self.osc_config.slave_units_name.split()
ip_list = self.osc_config.slave_units_ip.split()
if len(name_list) == 0:
return 'error', 'OSC Config - List of slaves name is empty'
if len(name_list) != len(ip_list):
return 'error', 'OSC Config - Lengths of list of slaves name and slaves IP is different'
self.slave_name_list = []
self.slave_ip_list = []
for i, name in enumerate(name_list):
self.slave_name_list.append(name)
self.slave_ip_list.append(ip_list[i])
return 'normal', 'slaves parsed'
def parse_osc_command(self, fields):
# send message to slave unit - INTERFACE WITH pipresents
if len(fields) < 2:
return 'error', 'too few fields in OSC command ' + ' '.join(fields)
to_unit_name = fields[0]
show_command = fields[1]
# print 'FIELDS ',fields
# send an arbitary osc message
if show_command == 'send':
if len(fields) > 2:
osc_address = fields[2]
arg_list = []
if len(fields) > 3:
arg_list = fields[3:]
else:
return 'error', 'OSC - wrong nmber of fields in ' + ' '.join(
fields)
elif show_command in ('open', 'close', 'openexclusive'):
if len(fields) == 3:
osc_address = self.prefix + '/' + to_unit_name + '/core/' + show_command
arg_list = [fields[2]]
else:
return 'error', 'OSC - wrong number of fields in ' + ' '.join(
fields)
elif show_command == 'monitor':
if fields[2] in ('on', 'off'):
osc_address = self.prefix + '/' + to_unit_name + '/core/' + show_command
arg_list = [fields[2]]
else:
self.mon.err(
self,
'OSC - illegal state in ' + show_command + ' ' + fields[2])
elif show_command == 'event':
if len(fields) == 3:
osc_address = self.prefix + '/' + to_unit_name + '/core/' + show_command
arg_list = [fields[2]]
elif show_command == 'animate':
if len(fields) > 2:
osc_address = self.prefix + '/' + to_unit_name + '/core/' + show_command
arg_list = fields[2:]
else:
return 'error', 'OSC - wrong nmber of fields in ' + ' '.join(
fields)
elif show_command in ('closeall', 'exitpipresents', 'shutdownnow',
'reboot'):
if len(fields) == 2:
osc_address = self.prefix + '/' + to_unit_name + '/core/' + show_command
arg_list = []
else:
return 'error', 'OSC - wrong nmber of fields in ' + ' '.join(
fields)
elif show_command in ('loopback', 'server-info'):
if len(fields) == 2:
osc_address = self.prefix + '/' + to_unit_name + '/system/' + show_command
arg_list = []
else:
return 'error', 'OSC - wrong nmber of fields in ' + ' '.join(
fields)
else:
return 'error', 'OSC - unkown command in ' + ' '.join(fields)
ip = self.find_ip(to_unit_name, self.slave_name_list,
self.slave_ip_list)
if ip == '':
return 'warn', 'OSC Unit Name not in the list of slaves: ' + to_unit_name
self.sendto(ip, osc_address, arg_list)
return 'normal', 'osc command sent'
def find_ip(self, name, name_list, ip_list):
i = 0
for j in name_list:
if j == name:
break
i = i + 1
if i == len(name_list):
return ''
else:
return ip_list[i]
def sendto(self, ip, osc_address, arg_list):
# print ip,osc_address,arg_list
if self.output_client is None:
self.mon.warn(self, 'Master not enabled, ignoring OSC command')
return
msg = OSC.OSCMessage()
# print address
msg.setAddress(osc_address)
for arg in arg_list:
# print arg
msg.append(arg)
try:
self.output_client.sendto(msg, (ip, int(self.reply_listen_port)))
self.mon.log(
self,
'Sent OSC command: ' + osc_address + ' ' + ' '.join(arg_list) +
' to ' + ip + ':' + self.reply_listen_port)
except Exception as e:
self.mon.warn(
self, 'error in client when sending OSC command: ' + str(e))
# **************************************
# Handlers for fallback
# **************************************
def add_default_handler(self, server):
server.addMsgHandler('default', self.no_match_handler)
def no_match_handler(self, addr, tags, stuff, source):
text = "No handler for message from %s" % OSC.getUrlStr(source) + '\n'
text += " %s" % addr + self.pretty_list(stuff, '')
self.mon.warn(self, text)
return None
# **************************************
# Handlers for Slave (input)
# **************************************
def add_input_handlers(self, server):
server.addMsgHandler(
self.prefix + self.this_unit + "/system/server-info",
self.server_info_handler)
server.addMsgHandler(self.prefix + self.this_unit + "/system/loopback",
self.loopback_handler)
server.addMsgHandler(self.prefix + self.this_unit + '/core/open',
self.open_show_handler)
server.addMsgHandler(self.prefix + self.this_unit + '/core/close',
self.close_show_handler)
server.addMsgHandler(
self.prefix + self.this_unit + '/core/openexclusive',
self.openexclusive_handler)
server.addMsgHandler(self.prefix + self.this_unit + '/core/closeall',
self.closeall_handler)
server.addMsgHandler(
self.prefix + self.this_unit + '/core/exitpipresents',
self.exitpipresents_handler)
server.addMsgHandler(
self.prefix + self.this_unit + '/core/shutdownnow',
self.shutdownnow_handler)
server.addMsgHandler(self.prefix + self.this_unit + '/core/reboot',
self.reboot_handler)
server.addMsgHandler(self.prefix + self.this_unit + '/core/event',
self.input_event_handler)
server.addMsgHandler(self.prefix + self.this_unit + '/core/animate',
self.animate_handler)
server.addMsgHandler(self.prefix + self.this_unit + '/core/monitor',
self.monitor_handler)
# reply to master unit with name of this unit and commands
def server_info_handler(self, addr, tags, stuff, source):
msg = OSC.OSCMessage(self.prefix + '/system/server-info-reply')
msg.append(self.this_unit_name)
msg.append(self.input_server.getOSCAddressSpace())
self.mon.log(self,
'Sent Server Info reply to %s:' % OSC.getUrlStr(source))
return msg
# reply to master unit with a loopback message
def loopback_handler(self, addr, tags, stuff, source):
msg = OSC.OSCMessage(self.prefix + '/system/loopback-reply')
self.mon.log(self,
'Sent loopback reply to %s:' % OSC.getUrlStr(source))
return msg
def open_show_handler(self, address, tags, args, source):
self.prepare_show_command_callback('open ', args, 1)
def openexclusive_handler(self, address, tags, args, source):
self.prepare_show_command_callback('openexclusive ', args, 1)
def close_show_handler(self, address, tags, args, source):
self.prepare_show_command_callback('close ', args, 1)
def closeall_handler(self, address, tags, args, source):
self.prepare_show_command_callback('closeall', args, 0)
def monitor_handler(self, address, tags, args, source):
self.prepare_show_command_callback('monitor ', args, 1)
def exitpipresents_handler(self, address, tags, args, source):
self.prepare_show_command_callback('exitpipresents', args, 0)
def reboot_handler(self, address, tags, args, source):
self.prepare_show_command_callback('reboot', 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.mon.sched(self, TimeOfDay.now,
'Received from OSC: ' + command + ' ' + args[0])
self.show_command_callback(command + args[0])
else:
self.mon.sched(self, TimeOfDay.now,
'Received from OSC: ' + command)
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 animate_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'
# print text
self.animate_callback(text)
else:
self.mon.warn(self, 'OSC output event has no arguments - ignoring')
# **************************************
# Handlers for Master- replies from slaves (output)
# **************************************
# reply handlers do not have the destinatuion unit in the address as they are always sent to the originator
def add_output_reply_handlers(self, server):
server.addMsgHandler(self.prefix + "/system/server-info-reply",
self.server_info_reply_handler)
server.addMsgHandler(self.prefix + "/system/loopback-reply",
self.loopback_reply_handler)
# print result of info request from slave unit
def server_info_reply_handler(self, addr, tags, stuff, source):
self.mon.log(
self, 'server info reply from slave ' + OSC.getUrlStr(source) +
self.pretty_list(stuff, '\n'))
print 'Received reply to Server-Info command from slave: ', OSC.getUrlStr(
source), self.pretty_list(stuff, '\n')
return None
#print result of info request from slave unit
def loopback_reply_handler(self, addr, tags, stuff, source):
self.mon.log(
self, 'server info reply from slave ' + OSC.getUrlStr(source) +
self.pretty_list(stuff, '\n'))
print 'Received reply to Loopback command from slave: ' + OSC.getUrlStr(
source) + ' ' + self.pretty_list(stuff, '\n')
return None
def pretty_list(self, fields, separator):
text = ' '
for field in fields:
text += str(field) + separator
return text + '\n'
class PiPresents(object):
def __init__(self):
gc.set_debug(gc.DEBUG_UNCOLLECTABLE|gc.DEBUG_INSTANCES|gc.DEBUG_OBJECTS|gc.DEBUG_SAVEALL)
self.pipresents_issue="1.3"
self.pipresents_minorissue = '1.3.1g'
# 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
self.pp_background='black'
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:\n{0}".format(pp_dir))
exit(103)
# 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', 'pp_paths',
'HyperlinkShow','RadioButtonShow','ArtLiveShow','ArtMediaShow','MediaShow','LiveShow','MenuShow',
'PathManager','ControlsManager','ShowManager','PluginManager',
'MplayerDriver','OMXDriver','UZBLDriver',
'KbdDriver','GPIODriver','TimeOfDay','ScreenDriver','Animate','OSCDriver'
]
# Monitor.classes=['PiPresents','ArtMediaShow','VideoPlayer','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.log (self, "Pi Presents is starting, Version:"+self.pipresents_minorissue)
# self.mon.log (self," OS and separator:" + os.name +' ' + os.sep)
self.mon.log(self,"sys.path[0] - location of code: "+sys.path[0])
if os.geteuid() !=0:
user=os.getenv('USER')
else:
user = os.getenv('SUDO_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
# 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
# get home path from -o option
self.pp_home = pp_paths.get_home(self.options['home'])
if self.pp_home is None:
self.end('error','Failed to find pp_home')
# get profile path from -p option
# pp_profile is the full path to the directory that contains
# pp_showlist.json and other files for the profile
self.pp_profile = pp_paths.get_profile_dir(self.pp_home, self.options['profile'])
if self.pp_profile is None:
self.end('error','Failed to find profile')
# check profile exists
if os.path.exists(self.pp_profile):
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 profile')
self.mon.start_stats(self.options['profile'])
# check 'verify' option
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')
# 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')
if self.starter_show['start-show']=='':
self.mon.warn(self,"No Start Shows in Start Show")
# ********************
# 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.pp_background)
self.mon.log(self, 'native screen dimensions are ' + str(self.root.winfo_screenwidth()) + ' x ' + str(self.root.winfo_screenheight()) + ' pixcels')
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, 'commanded screen dimensions are ' + str(self.screen_width) + ' x ' + str(self.screen_height) + ' pixcels')
# 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 1>&- 2>&- &') # Suppress 'someone created a subwindow' complaints from 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')
# canvs 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.pp_background)
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 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.exitpipresents_required=False
# 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 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.end('error',message)
else:
self.osc_enabled=True
self.root.after(1000,self.oscdriver.start_server())
# and run the start shows
self.run_start_shows()
# set up the time of day scheduler including catchup
self.tod_enabled=False
if os.path.exists(self.pp_profile + os.sep + 'schedule.json'):
# kick off the time of day scheduler which may run additional shows
self.tod=TimeOfDay()
self.tod.init(pp_dir,self.pp_home,self.pp_profile,self.root,self.handle_command)
self.tod_enabled = True
# then start the time of day scheduler
if self.tod_enabled is True:
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 --fullscreen comand option',0,0
elif fields[0].isdigit() is False or fields[1].isdigit() is False:
return 'error','dimensions are not positive integers in ---fullscreen',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):
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'):
if self.shutdown_required is False:
reason,message=self.show_manager.control_a_show(show_ref,show_command)
else:
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 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")
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.pp_background)
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':
self.mon.log(self, "Pi Presents Aborted, au revoir")
# close logging files
self.mon.finish()
sys.exit(101)
elif reason == 'error':
self.mon.log(self, "Pi Presents closing because of error, sorry")
# close logging files
self.mon.finish()
sys.exit(102)
else:
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', '-h', '-t 5','now'])
sys.exit(100)
else:
sys.exit(100)
# tidy up all the peripheral bits of Pi Presents
def tidy_up(self):
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 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 pp_gpiodriver(object):
"""
pp_gpiodriver provides GPIO facilties for Pi presents
- configures and binds GPIO pins from data in .cfg file
- reads and debounces inputs pins, provides callbacks on state changes which generate input events
- changes the state 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 (pp_gpiodriver.)
pins = []
driver_active = False
title = ''
################ NIK #################
# motion sensor timeout, i.e. after SHUTOFF_DELAY seconds of no motion
# pipresents pauses and the monitor turns off
SHUTOFF_DELAY = 120
######################################
# executed by main program and by each object using gpio
def __init__(self):
self.mon = Monitor()
# executed once from main program
def init(self, filename, filepath, widget, button_callback=None):
# instantiate arguments
self.widget = widget
self.filename = filename
self.filepath = filepath
self.button_callback = button_callback
pp_gpiodriver.driver_active = False
############### NIK ######################
self.turned_off = False
self.last_motion_time = time.time()
##########################################
# read gpio.cfg file.
reason, message = self._read(self.filename, self.filepath)
if reason == 'error':
return 'error', message
if self.config.has_section('DRIVER') is False:
return 'error', 'No DRIVER section in ' + self.filepath
#read information from DRIVER section
pp_gpiodriver.title = self.config.get('DRIVER', 'title')
button_tick_text = self.config.get('DRIVER', 'tick-interval')
if button_tick_text.isdigit():
if int(button_tick_text) > 0:
self.button_tick = int(button_tick_text) # in mS
else:
return 'error', 'tick-interval is not a positive integer'
else:
return 'error', 'tick-interval is not an integer'
import RPi.GPIO as GPIO
self.GPIO = GPIO
# construct the GPIO control list from the configuration
for index, pin_def in enumerate(pp_gpiodriver.PINLIST):
pin = copy.deepcopy(pp_gpiodriver.TEMPLATE)
pin_bits = pin_def.split('-')
pin_num = pin_bits[1:]
pin[pp_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[pp_gpiodriver.DIRECTION] = 'None'
else:
# unused pin
if self.config.get(pin_def, 'direction') == 'none':
pin[pp_gpiodriver.DIRECTION] = 'none'
else:
pin[pp_gpiodriver.DIRECTION] = self.config.get(
pin_def, 'direction')
if pin[pp_gpiodriver.DIRECTION] == 'in':
# input pin
pin[pp_gpiodriver.RISING_NAME] = self.config.get(
pin_def, 'rising-name')
pin[pp_gpiodriver.FALLING_NAME] = self.config.get(
pin_def, 'falling-name')
pin[pp_gpiodriver.ONE_NAME] = self.config.get(
pin_def, 'one-name')
pin[pp_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[pp_gpiodriver.LINKED_NAME] = self.config.get(
pin_def, 'linked-output')
if self.config.get(pin_def,
'linked-invert') == 'yes':
pin[pp_gpiodriver.LINKED_INVERT] = True
else:
pin[pp_gpiodriver.LINKED_INVERT] = False
else:
pin[pp_gpiodriver.LINKED_NAME] = ''
pin[pp_gpiodriver.LINKED_INVERT] = False
if pin[pp_gpiodriver.FALLING_NAME] == 'pp-shutdown':
pp_gpiodriver.shutdown_index = index
if self.config.get(pin_def, 'repeat') != '':
pin[pp_gpiodriver.REPEAT] = int(
self.config.get(pin_def, 'repeat'))
else:
pin[pp_gpiodriver.REPEAT] = -1
pin[pp_gpiodriver.THRESHOLD] = int(
self.config.get(pin_def, 'threshold'))
if self.config.get(pin_def, 'pull-up-down') == 'up':
pin[pp_gpiodriver.PULL] = GPIO.PUD_UP
elif self.config.get(pin_def,
'pull-up-down') == 'down':
pin[pp_gpiodriver.PULL] = GPIO.PUD_DOWN
else:
pin[pp_gpiodriver.PULL] = GPIO.PUD_OFF
else:
# output pin
pin[pp_gpiodriver.NAME] = self.config.get(
pin_def, 'name')
pp_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(pp_gpiodriver.pins):
num = pin[pp_gpiodriver.PIN]
if pin[pp_gpiodriver.DIRECTION] == 'in':
self.GPIO.setup(num,
self.GPIO.IN,
pull_up_down=pin[pp_gpiodriver.PULL])
elif pin[pp_gpiodriver.DIRECTION] == 'out':
self.GPIO.setup(num, self.GPIO.OUT)
self.GPIO.setup(num, False)
self._reset_input_state()
pp_gpiodriver.driver_active = True
# init timer
self.button_tick_timer = None
return 'normal', pp_gpiodriver.title + ' active'
# called by main program only
def start(self):
# loop to look at the buttons
self._do_buttons()
self.button_tick_timer = self.widget.after(self.button_tick,
self.start)
# called by main program only
def terminate(self):
if pp_gpiodriver.driver_active is True:
if self.button_tick_timer is not None:
self.widget.after_cancel(self.button_tick_timer)
self._reset_outputs()
self.GPIO.cleanup()
pp_gpiodriver.driver_active = False
################## NIK #######################################
# turn on and off monitor
def turn_on_monitor(self):
subprocess.call("vcgencmd display_power 1 &> /dev/null", shell=True)
def turn_off_monitor(self):
subprocess.call("vcgencmd display_power 0 &> /dev/null", shell=True)
##############################################################
# ************************************************
# gpio input functions
# called by main program only
# ************************************************
def _reset_input_state(self):
for pin in pp_gpiodriver.pins:
pin[pp_gpiodriver.COUNT] = 0
pin[pp_gpiodriver.PRESSED] = False
pin[pp_gpiodriver.LAST] = False
pin[pp_gpiodriver.REPEAT_COUNT] = pin[pp_gpiodriver.REPEAT]
def _do_buttons(self):
############################ NIK ######################################################
# If motion hasn't been detected in SHUTOFF_DELAY seconds, turn off monitor and pause
if not self.turned_off and time.time() > (self.last_motion_time +
pp_gpiodriver.SHUTOFF_DELAY):
# print str(time.time()) + " PIR not motion, turned off is " + str(self.turned_off)
# self.mon.log(self,"PIR not motion. self.pir_switch_on: "+str(self.pir_switch_on)+", self.turned_off: "+str(self.turned_off)+", self.paused: "+str(self.paused))
# os.system ("echo `date` PIR not motion. self.pir_switch_on: "+str(self.pir_switch_on)+", self.turned_off: "+str(self.turned_off)+", self.paused: "+str(self.paused)+" >> /home/pi/pir.log")
self.turned_off = True
# turn off monitor and pause pi presents
self.turn_off_monitor()
self.button_callback("pp-pause-on", "GPIO")
########################################################################################
for index, pin in enumerate(pp_gpiodriver.pins):
if pin[pp_gpiodriver.DIRECTION] == 'in':
# linked pin
if pin[pp_gpiodriver.LINKED_NAME] != '':
link_pin = self._output_pin_of(
pin[pp_gpiodriver.LINKED_NAME])
if link_pin != -1:
self.GPIO.output(
link_pin,
self.GPIO.input(pin[pp_gpiodriver.PIN])
^ pin[pp_gpiodriver.LINKED_INVERT])
# debounce
if self.GPIO.input(pin[pp_gpiodriver.PIN]) == 0:
if pin[pp_gpiodriver.COUNT] < pin[pp_gpiodriver.THRESHOLD]:
pin[pp_gpiodriver.COUNT] += 1
if pin[pp_gpiodriver.COUNT] == pin[
pp_gpiodriver.THRESHOLD]:
pin[pp_gpiodriver.PRESSED] = True
else: # input us 1
if pin[pp_gpiodriver.COUNT] > 0:
pin[pp_gpiodriver.COUNT] -= 1
if pin[pp_gpiodriver.COUNT] == 0:
pin[pp_gpiodriver.PRESSED] = False
# detect edges
# falling edge
if pin[pp_gpiodriver.PRESSED] is True and pin[
pp_gpiodriver.LAST] is False:
pin[pp_gpiodriver.LAST] = pin[pp_gpiodriver.PRESSED]
pin[pp_gpiodriver.REPEAT_COUNT] = pin[pp_gpiodriver.REPEAT]
if pin[pp_gpiodriver.
FALLING_NAME] != '' and self.button_callback is not None:
self.button_callback(pin[pp_gpiodriver.FALLING_NAME],
pp_gpiodriver.title)
# rising edge
if pin[pp_gpiodriver.PRESSED] is False and pin[
pp_gpiodriver.LAST] is True:
pin[pp_gpiodriver.LAST] = pin[pp_gpiodriver.PRESSED]
pin[pp_gpiodriver.REPEAT_COUNT] = pin[pp_gpiodriver.REPEAT]
############################ NIK ############################################################
if pin[pp_gpiodriver.
RISING_NAME] == 'PIR' and self.button_callback is not None:
self.last_motion_time = time.time()
# print "PIR detected: " + str(self.last_motion_time)
if self.turned_off:
self.turned_off = False
self.turn_on_monitor()
self.button_callback("pp-pause-off", "GPIO")
##############################################################################################
elif pin[
pp_gpiodriver.
RISING_NAME] != '' and self.button_callback is not None:
self.button_callback(pin[pp_gpiodriver.RISING_NAME],
pp_gpiodriver.title)
# do state callbacks
if pin[pp_gpiodriver.REPEAT_COUNT] == 0:
if pin[pp_gpiodriver.ZERO_NAME] != '' and pin[
pp_gpiodriver.
PRESSED] is True and self.button_callback is not None:
self.button_callback(pin[pp_gpiodriver.ZERO_NAME],
pp_gpiodriver.title)
if pin[pp_gpiodriver.ONE_NAME] != '' and pin[
pp_gpiodriver.
PRESSED] is False and self.button_callback is not None:
self.button_callback(pin[pp_gpiodriver.ONE_NAME],
pp_gpiodriver.title)
pin[pp_gpiodriver.REPEAT_COUNT] = pin[pp_gpiodriver.REPEAT]
else:
if pin[pp_gpiodriver.REPEAT] != -1:
pin[pp_gpiodriver.REPEAT_COUNT] -= 1
def get_input(self, channel):
return False, None
# ************************************************
# gpio output interface methods
# these can be called from many classes so need to operate on class variables
# ************************************************
# execute an output event
def handle_output_event(self, name, param_type, param_values, req_time):
# print 'GPIO handle',name,param_type,param_values
# does the symbolic name match any output pin
pin = self._output_pin_of(name)
if pin == -1:
return 'normal', pp_gpiodriver.title + 'Symbolic name not recognised: ' + name
#gpio only handles state parameters, ignore otherwise
if param_type != 'state':
return 'normal', pp_gpiodriver.title + ' does not handle: ' + param_type
to_state = param_values[0]
if to_state not in ('on', 'off'):
return 'error', pp_gpiodriver.title + ', illegal parameter value for ' + param_type + ': ' + to_state
if to_state == 'on':
state = True
else:
state = False
# print 'pin P1-'+ str(pin)+ ' set '+ str(state) + ' required: ' + str(req_time)+ ' actual: ' + str(long(time.time()))
self.GPIO.output(pin, state)
return 'normal', pp_gpiodriver.title + ' pin P1-' + str(
pin) + ' set ' + str(state) + ' required at: ' + str(
req_time) + ' sent at: ' + str(long(time.time()))
def _reset_outputs(self):
if pp_gpiodriver.driver_active is True:
for index, pin in enumerate(pp_gpiodriver.pins):
num = pin[pp_gpiodriver.PIN]
if pin[pp_gpiodriver.DIRECTION] == 'out':
self.GPIO.output(num, False)
def is_active(self):
return pp_gpiodriver.driver_active
# ************************************************
# 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 pp_gpiodriver.pins:
# print " in list" + pin[pp_gpiodriver.NAME] + str(pin[pp_gpiodriver.PIN] )
if pin[pp_gpiodriver.NAME] == name and pin[
pp_gpiodriver.DIRECTION] == 'out':
# print " linked pin " + pin[pp_gpiodriver.NAME] + ' ' + str(pin[pp_gpiodriver.PIN] )
return pin[pp_gpiodriver.PIN]
return -1
# ***********************************
# reading .cfg file
# ************************************
def _read(self, filename, filepath):
if os.path.exists(filepath):
self.config = ConfigParser.ConfigParser()
self.config.read(filepath)
return 'normal', filename + ' read'
else:
return 'error', filename + ' not found at: ' + filepath
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 pp_inputdevicedriver(object):
"""
pp_inputdevicedriver interfaces with the Linux generic input devices, for example USB keybads or remotes
that is, ones that have a file in /dev/input
- configures and binds key codes from specified .cfg file
- reads input events from /dev/input and decodes them using evdev, provides callbacks on state changes which generate input events
"""
# constants for buttons
# cofiguration from gpio.cfg
KEY_CODE = 0 # pin on RPi board GPIO connector e.g. P1-11
DIRECTION = 1 # IN/OUT/NONE (None is not used)
RELEASED_NAME = 2 # symbolic name for released callback
PRESSED_NAME = 3 # symbolic name of pressed callback
UP_NAME = 4 # symbolic name for up state callback
DOWN_NAME = 5 # symbolic name for down state callback
REPEAT = 6 # repeat interval for state callbacks (mS)
# dynamic data
PRESSED = 7 # variable - debounced state
LAST = 8 # varible - last state - used to detect edge
REPEAT_COUNT = 9
TEMPLATE = [
'', # key code
'', # direction
'',
'',
'',
'', #input names
0, # repeat
False,
False,
0
] #dynamics - pressed,last,repeat count
# CLASS VARIABLES (pp_inputdevicedriver.)
driver_active = False
title = ''
KEYCODELIST = [] # list of keycodes read from .cfg file
key_codes = [
] #dynamic list constructed from .cfg file and other dynamic variables
device_refs = [
] # list of references to devices obtained by matching devide name against /dev/input
# executed by main program and by each object using gpio
def __init__(self):
self.mon = Monitor()
# executed once from main program
def init(self,
filename,
filepath,
widget,
pp_dir,
pp_home,
pp_profile,
button_callback=None):
# instantiate arguments
self.widget = widget
self.filename = filename
self.filepath = filepath
self.button_callback = button_callback
pp_inputdevicedriver.driver_active = False
# read .cfg file.
reason, message = self._read(self.filename, self.filepath)
if reason == 'error':
return 'error', message
if self.config.has_section('DRIVER') is False:
return 'error', 'no DRIVER section in ' + self.filename
#read information from DRIVER section
pp_inputdevicedriver.title = self.config.get('DRIVER', 'title')
self.button_tick = int(self.config.get('DRIVER',
'tick-interval')) # in mS
keycode_text = self.config.get('DRIVER', 'key-codes')
pp_inputdevicedriver.KEYCODELIST = keycode_text.split(',')
# construct the key_code control list from the configuration
for index, key_code_def in enumerate(pp_inputdevicedriver.KEYCODELIST):
if self.config.has_section(key_code_def) is False:
self.mon.warn(self,
"no key code definition for " + key_code_def)
continue
else:
entry = copy.deepcopy(pp_inputdevicedriver.TEMPLATE)
# unused pin
entry[pp_inputdevicedriver.KEY_CODE] = key_code_def
if self.config.get(key_code_def, 'direction') == 'none':
entry[pp_inputdevicedriver.DIRECTION] = 'none'
else:
entry[pp_inputdevicedriver.DIRECTION] = self.config.get(
key_code_def, 'direction')
if entry[pp_inputdevicedriver.DIRECTION] == 'in':
# input pin
entry[pp_inputdevicedriver.
RELEASED_NAME] = self.config.get(
key_code_def, 'released-name')
entry[pp_inputdevicedriver.
PRESSED_NAME] = self.config.get(
key_code_def, 'pressed-name')
entry[pp_inputdevicedriver.UP_NAME] = self.config.get(
key_code_def, 'up-name')
entry[
pp_inputdevicedriver.DOWN_NAME] = self.config.get(
key_code_def, 'down-name')
if self.config.get(key_code_def, 'repeat') != '':
entry[pp_inputdevicedriver.REPEAT] = int(
self.config.get(key_code_def, 'repeat'))
else:
entry[pp_inputdevicedriver.REPEAT] = -1
# add entry to working list of key_codes (list of lists [0] of sublist is key code
pp_inputdevicedriver.key_codes.append(copy.deepcopy(entry))
# find the input device
device_name = self.config.get('DRIVER', 'device-name')
pp_inputdevicedriver.device_refs = self.find_devices(device_name)
if pp_inputdevicedriver.device_refs == []:
return 'warn', 'Cannot find device: ' + device_name + ' for ' + pp_inputdevicedriver.title
pp_inputdevicedriver.driver_active = True
# init timer
self.button_tick_timer = None
self.mon.log(self, pp_inputdevicedriver.title + ' active')
return 'normal', pp_inputdevicedriver.title + ' active'
def find_devices(self, name):
devices = [evdev.InputDevice(fn) for fn in evdev.list_devices()]
matching = []
# print '\nMatching devices references: '
for device in devices:
if name in device.name:
# print ' Ref:',device.fn, ' Name: ',device.name
device_ref = evdev.InputDevice(device.fn)
matching.append(device_ref)
return matching
# called by main program only
def start(self):
# poll for events then update all the buttons once
self.do_buttons()
self.button_tick_timer = self.widget.after(self.button_tick,
self.start)
# allow track plugins (or anyting else) to access input values
def get_input(self, channel):
return False, None
# called by main program only
def terminate(self):
if pp_inputdevicedriver.driver_active is True:
if self.button_tick_timer is not None:
self.widget.after_cancel(self.button_tick_timer)
pp_inputdevicedriver.driver_active = False
# ************************************************
# inputdevice functions
# called by main program only
# ************************************************
def reset_input_state(self):
for entry in pp_inputdevicedriver.key_codes:
entry[pp_inputdevicedriver.PRESSED] = False
entry[pp_inputdevicedriver.LAST] = False
entry[pp_inputdevicedriver.REPEAT_COUNT] = entry[
pp_inputdevicedriver.REPEAT]
def is_active(self):
return pp_inputdevicedriver.driver_active
def do_buttons(self):
# get and process new events from remote
self.get_events(pp_inputdevicedriver.device_refs)
# do the things that are done every tick
for index, entry in enumerate(pp_inputdevicedriver.key_codes):
if entry[pp_inputdevicedriver.DIRECTION] == 'in':
# detect falling edge
if entry[pp_inputdevicedriver.PRESSED] is True and entry[
pp_inputdevicedriver.LAST] is False:
entry[pp_inputdevicedriver.LAST] = entry[
pp_inputdevicedriver.PRESSED]
entry[pp_inputdevicedriver.REPEAT_COUNT] = entry[
pp_inputdevicedriver.REPEAT]
if entry[
pp_inputdevicedriver.
PRESSED_NAME] != '' and self.button_callback is not None:
self.button_callback(
entry[pp_inputdevicedriver.PRESSED_NAME],
pp_inputdevicedriver.title)
# detect rising edge
if entry[pp_inputdevicedriver.PRESSED] is False and entry[
pp_inputdevicedriver.LAST] is True:
entry[pp_inputdevicedriver.LAST] = entry[
pp_inputdevicedriver.PRESSED]
entry[pp_inputdevicedriver.REPEAT_COUNT] = entry[
pp_inputdevicedriver.REPEAT]
if entry[
pp_inputdevicedriver.
RELEASED_NAME] != '' and self.button_callback is not None:
self.button_callback(
entry[pp_inputdevicedriver.RELEASED_NAME],
pp_inputdevicedriver.title)
# do state callbacks
if entry[pp_inputdevicedriver.REPEAT_COUNT] == 0:
if entry[pp_inputdevicedriver.DOWN_NAME] != '' and entry[
pp_inputdevicedriver.
PRESSED] is True and self.button_callback is not None:
self.button_callback(
entry[pp_inputdevicedriver.DOWN_NAME],
pp_inputdevicedriver.title)
if entry[pp_inputdevicedriver.UP_NAME] != '' and entry[
pp_inputdevicedriver.
PRESSED] is False and self.button_callback is not None:
self.button_callback(
entry[pp_inputdevicedriver.UP_NAME],
pp_inputdevicedriver.title)
entry[pp_inputdevicedriver.REPEAT_COUNT] = entry[
pp_inputdevicedriver.REPEAT]
else:
if entry[pp_inputdevicedriver.REPEAT] != -1:
entry[pp_inputdevicedriver.REPEAT_COUNT] -= 1
def find_event_entry(self, event_code):
for entry in pp_inputdevicedriver.key_codes:
if entry[pp_inputdevicedriver.KEY_CODE] == event_code:
# print entry
return entry
return None
def get_events(self, matching):
# some input devices have more than one logical input device so use select to poll all of the devices
r, w, x = select(matching, [], [], 0)
if r == [] and w == [] and x == []:
# print 'no event'
return
self.process_events(r)
def process_events(self, r):
for re in r:
for event in re.read():
# print '\nEvent Rxd: ',event,'\n',evdev.categorize(event)
if event.type == evdev.ecodes.EV_KEY:
# print 'Key Event Rxd: ',event
key_event = evdev.categorize(event)
#key_event.keycode=[key_event.keycode,'fred']
#print (key_event)
if type(key_event.keycode) is list:
for kc in key_event.keycode:
self.process_event(kc, key_event.keystate)
else:
self.process_event(key_event.keycode,
key_event.keystate)
def process_event(self, event_code, button_state):
event_entry = self.find_event_entry(event_code)
if event_entry is None or event_entry[
pp_inputdevicedriver.DIRECTION] != 'in':
self.mon.warn(
self,
'input event key code not in list of key codes or direction not in'
)
else:
if button_state == 1:
# print event_code, 'Pressed'
event_entry[pp_inputdevicedriver.PRESSED] = True
elif button_state == 0:
# print event_code, 'Released'
event_entry[pp_inputdevicedriver.PRESSED] = False
else:
# ignore other button states
pass
# print 'unknown state: ',button_state
# ***********************************
# output events
# ************************************
# execute an output event
def handle_output_event(self, name, param_type, param_values, req_time):
return 'normal', pp_inputdevicedriver.title + ' does not accept outputs'
def reset_outputs(self):
return
# ***********************************
# reading .cfg file
# ************************************
def _read(self, filename, filepath):
# try inside profile
if os.path.exists(filepath):
self.config = configparser.ConfigParser(
inline_comment_prefixes=(';', ))
self.config.read(filepath)
self.mon.log(self, filename + " read from " + filepath)
return 'normal', filename + ' read'
else:
return 'error', filename + ' not found at: ' + filepath
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 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 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 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 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 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 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=''
self.xafter=''
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
# print self.dbus_user, 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('/dev/null','a'),stderr=file('/dev/null','a'))
# stdout=file('/dev/null','a'),stderr=file('/dev/null','a')
self.pid=self._process.pid
# wait for omxplayer to start
tries=0
while tries<400:
# print 'trying',tries
success=self.__dbus_connect()
tries+=1
sleep (0.1)
if success is True: break
if success is False:
self.end_play_signal=True
self.end_play_reason='Failed to connect to omxplayer DBus'
return
self.mon.log(self,'connected to omxplayer dbus ' + str(success))
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
success,duration=self.get_duration()
if 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:
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()
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 prsecc 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:
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
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.Pause()
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.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 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):
# 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)
try:
with open(bus_address_filename, "r") as f:
bus_address = f.read().rstrip()
with open(bus_pid_filename, "r") as f:
bus_pid = f.read().rstrip()
except IOError:
self.mon.trace(self,"Waiting for D-Bus session for user {}. Is omxplayer running under this user?".format(self.dbus_user))
return False
# looks like this saves some file opens as vars are used instead of files above
os.environ["DBUS_SESSION_BUS_ADDRESS"] = bus_address
os.environ["DBUS_SESSION_BUS_PID"] = bus_pid
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.trace(self,"Waiting for dbus connection to omxplayer: {}".format(ex.get_dbus_message()))
return False
return True
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