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