text stringlengths 1 93.6k |
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class AlarmManager:
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""" This object manages all alarms and timers sent via the Alerts interface.
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"""
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def __init__(self, audio):
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""" Initializes the AlarmManager object. Requires an AlexaAudio object to sound alarms. The
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AlexaCommunication object must be specified in a separate function call.
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:param audio: AlexaAudio object instance
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"""
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self.alexa_device = None
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self.audio = audio
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self.alerts = {}
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def set_alexa_device(self, alexa_device):
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""" Set's the current AlexaDevice object.
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:param alexa_device: AlexaDevice object
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"""
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self.alexa_device = alexa_device
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def set_alert(self, token, alert_type, scheduled_time):
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""" Called when a new alarm is to be added (from SetAlert directive).
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:param token: token for the alarm
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:param alert_type: alert type from the API
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:param scheduled_time: scheduled time (UTC time as ISO string)
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:return: boolean indicating success or failure
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"""
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try:
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s_time = helper.get_timestamp_from_iso(scheduled_time)
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time_difference = s_time-time.time()
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print(time_difference)
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timer_thread = threading.Timer(time_difference, self.start_alert, args=(token,))
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timer_thread.start()
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stop_event = threading.Event()
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self.alerts[token] = {
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'type': alert_type,
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'scheduled_time': scheduled_time,
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'timer_thread': timer_thread,
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'stop_event': stop_event,
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'is_active': False
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}
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print("Alarm set successfully.")
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except:
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print("Error setting alarm")
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return False
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return True
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def delete_alert(self, token):
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""" Called when an alarm is to be deleted (from DeleteAlert directive).
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:param token: token for the alarm
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:param alert_type: alert type from the API
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:param scheduled_time: scheduled time (UTC time as ISO string)
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:return: boolean indicating success or failure
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"""
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try:
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self.alerts[token]['timer_thread'].cancel()
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if self.alerts[token]['is_active']:
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print("Stopping alarm")
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self.alerts[token]['stop_event'].set()
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stream_id = self.alexa_device.alexa.send_event_alert_name('AlertStopped', token)
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# TODO combine get_and_process_reponse with alexa_send_event
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self.alexa_device.alexa.get_and_process_response(stream_id)
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del self.alerts[token]
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print("Alarm deleted")
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return True
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except:
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traceback.print_exc()
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print("Error deleting alarm")
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return False
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def get_alarm_context(self):
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""" Get the alert context dictionary.
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:return: dictionary containing alert context
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"""
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tokens = self.alerts.keys()
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all_alerts = []
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active_alerts = []
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for token in tokens:
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alert = {
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'token': token,
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'type': self.alerts[token]['type'],
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'scheduledTime': self.alerts[token]['scheduled_time']
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}
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all_alerts.append(alert)
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if self.alerts[token]['is_active']:
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active_alerts.append(alert)
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context_alerts = {
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"header": {
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"namespace": "Alerts",
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"name": "AlertsState"
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},
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"payload": {
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"allAlerts": all_alerts,
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"activeAlerts": active_alerts
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}
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