Python Machine.on_enter_stopping_trigger方法代码示例

# 需要导入模块: from transitions import Machine [as 别名]
# 或者: from transitions.Machine import on_enter_stopping_trigger [as 别名]
class Order(SignalModule, Thread):

    states = ['init',
              'starting_trigger',
              'waiting_for_trigger_callback',
              'stopping_trigger',
              'start_order_listener',
              'waiting_for_order_listener_callback',
              'analysing_order']

    def __init__(self):
        super(SignalModule, self).__init__()
        Thread.__init__(self, name=Order)
        Utils.print_info('Starting order signal')
        # load settings and brain from singleton
        sl = SettingLoader()
        self.settings = sl.settings
        self.brain = BrainLoader().brain

        # keep in memory the order to process
        self.order_to_process = None

        # get the player instance
        self.player_instance = PlayerLauncher.get_player(settings=self.settings)

        # save an instance of the trigger
        self.trigger_instance = None
        self.trigger_callback_called = False
        self.skip_trigger = False  # keep the status of the trigger, if true we can skip it in the statue machine

        # save the current order listener
        self.order_listener = None
        self.order_listener_callback_called = False

        # Initialize the state machine
        self.machine = Machine(model=self, states=Order.states, initial='init', queued=True)

        # define transitions
        self.machine.add_transition('start_trigger', ['init', 'analysing_order'], 'starting_trigger')
        self.machine.add_transition('wait_trigger_callback', 'starting_trigger', 'waiting_for_trigger_callback')
        self.machine.add_transition('stop_trigger', 'waiting_for_trigger_callback', 'stopping_trigger')
        self.machine.add_transition('wait_for_order', 'stopping_trigger', 'waiting_for_order_listener_callback')
        self.machine.add_transition('analyse_order', 'waiting_for_order_listener_callback', 'analysing_order')
        self.machine.add_transition('start_order_listener', 'analysing_order', 'start_order_listener')

        self.machine.add_ordered_transitions()

        # add method which are called when changing state
        self.machine.on_enter_starting_trigger('start_trigger_process')
        self.machine.on_enter_waiting_for_trigger_callback('waiting_for_trigger_callback_thread')
        self.machine.on_enter_stopping_trigger('stop_trigger_process')
        self.machine.on_enter_start_order_listener('start_order_listener_thread')
        self.machine.on_enter_waiting_for_order_listener_callback('waiting_for_order_listener_callback_thread')
        self.machine.on_enter_analysing_order('analysing_order_thread')

    def run(self):
        # run hook on_start
        HookManager.on_start()
        self.start_trigger()

    def start_trigger_process(self):
        """
        This function will start the trigger thread that listen for the hotword
        """
        logger.debug("[Order] Entering state: %s" % self.state)
        HookManager.on_waiting_for_trigger()
        self.trigger_instance = TriggerLauncher.get_trigger(settings=self.settings, callback=self.trigger_callback)
        self.trigger_callback_called = False
        self.trigger_instance.daemon = True
        # Wait that the kalliope trigger is pronounced by the user
        self.trigger_instance.start()
        self.next_state()

    def waiting_for_trigger_callback_thread(self):
        """
        Method to print in debug that the main process is waiting for a trigger detection
        """
        logger.debug("[Order] Entering state: %s" % self.state)
        if self.settings.options.deaf:  # the user asked to deaf inside the deaf neuron
            Utils.print_info("Kalliope is deaf")
            self.trigger_instance.pause()
        else:
            Utils.print_info("Waiting for trigger detection")
        # this loop is used to keep the main thread alive
        while not self.trigger_callback_called:
            sleep(0.1)
        # if here, then the trigger has been called
        HookManager.on_triggered()
        self.next_state()

    def waiting_for_order_listener_callback_thread(self):
        """
        Method to print in debug that the main process is waiting for an order to analyse
        """
        logger.debug("[Order] Entering state: %s" % self.state)
        # this loop is used to keep the main thread alive
        while not self.order_listener_callback_called:
            sleep(0.1)
        # TODO on end listening here
        self.next_state()
#.........这里部分代码省略.........