class AppContainer(object):
def __init__(self, config):
self.config = config
self.store = PersistentStore(self.config['dbfilename'])
self.spotify_session = SpotifyAsyncSessionManager(useragent="SpotifyThings")
self.spotify_session.player_state_changed += self.__player_state_changed
self.spotify_session.current_track_changed += self.__current_track_changed
self.spotify_session.playback_progress += self.__playback_progress_event
self.spotify_session.playqueue_changed += self.__playqueue_changed_event
self.spotify_session.login_state_changed += self.__login_state_changed_event
self.spotify_session.password_blob_changed += self.__login_password_blob_changed
self.wsregistry = WebSocketRegistry();
self.wsregistry.on_new_client += self.__on_new_client
self.webapp = WebApplication(self)
self.asyncioloop = AsyncIOLoop()
self.attached_rfid_readers = dict()
self.rfid = RFID()
self.rfid.setOnAttachHandler(self.rfidAttached)
self.rfid.setOnDetachHandler(self.rfidDetached)
self.rfid.setOnErrorhandler(self.rfidError)
self.rfid.setOnTagHandler(self.rfidTagGained)
self.rfid.setOnTagLostHandler(self.rfidTagLost)
# player events
def __player_state_changed(self, state):
self.wsregistry.broadcast('app', PlayerStateMessage(state))
def __current_track_changed(self, track):
self.wsregistry.broadcast('app', PlayerCurrentTrackMessage(track))
def __playback_progress_event(self, playback_time):
self.wsregistry.broadcast('app', PlayerPlaybackProgressMessage(int(playback_time)))
def __playqueue_changed_event(self):
self.wsregistry.broadcast('app', PlayerQueueModifiedMessage())
# app event
def __login_state_changed_event(self, is_logged_in, login_error, current_user):
self.wsregistry.broadcast('app', SpotifyLoginStateMessage(is_logged_in, login_error, current_user))
def __login_password_blob_changed(self, username, password_blob):
self.store.set_config('spotify.username', username)
self.store.set_config('spotify.password_blob', password_blob)
self.wsregistry.broadcast('app', SpotifyCredentialStoredMessage(self.store.get_config('spotify.password_blob') is not None))
# websocket events
def __on_new_client(self, wstype, ws):
def spotify_state_handler(current_track, track_playback_time, player_state):
# send player state
ws.write_message(PlayerStateMessage(player_state))
# send current track
ws.write_message(PlayerCurrentTrackMessage(current_track))
# send playback progress
ws.write_message(PlayerPlaybackProgressMessage(int(track_playback_time)))
def spotify_login_state_handler(is_logged_in, login_error, current_user):
# send login state message
ws.write_message(SpotifyLoginStateMessage(is_logged_in, login_error, current_user))
if wstype == "app":
# request spotify state
self.spotify_session.get_player_state(spotify_state_handler)
# request login state
self.spotify_session.get_login_state(spotify_login_state_handler)
# send message with currently attched rfid readers
ws.write_message(RfidReaderUpdatedMessage(self.attached_rfid_readers))
# send message with credentials stored status
ws.write_message(SpotifyCredentialStoredMessage(self.store.get_config('spotify.password_blob') is not None))
# rfid events
def rfidAttached(self, e):
device = e.device
device.setAntennaOn(True)
# add to list of attached readers
reader = RfidReader(
device.getDeviceName(),
device.getDeviceVersion(),
device.getSerialNum())
self.attached_rfid_readers[reader.serial_no] = reader
# notify clients
self.wsregistry.broadcast('app', RfidReaderUpdatedMessage(self.attached_rfid_readers))
logger.info('RFID reader %s Attached', device.getSerialNum())
def rfidDetached(self, e):
device = e.device
serial_no = device.getSerialNum()
# remove from attached list
del self.attached_rfid_readers[serial_no]
# notify clients
self.wsregistry.broadcast('app', RfidReaderUpdatedMessage(self.attached_rfid_readers))
logger.info('RFID reader %s Deteched', device.getSerialNum())
def rfidError(self, e):
try:
source = e.device
logger.error("RFID %i: Phidget Error %i: %s", source.getSerialNum(), e.eCode, e.description)
except PhidgetException as e:
logger.exception('Phidget Exception %i: %s', e.code, e.details)
def rfidTagGained(self, e):
source = e.device
self.rfid.setLEDOn(1)
logger.debug('RFID %i: Tag Read: %s', source.getSerialNum(), e.tag)
# get existing mapping, if any
tagmapping = self.store.find_by_tagid(e.tag)
# broadcast to any listeners
any_listeners = self.wsregistry.broadcast('rfid', RfidTagReadMessage(e.tag, tagmapping))
# no listeners and resource was mapped, play resource
if not any_listeners and tagmapping:
self.spotify_session.play_link(tagmapping.spotifylink, None)
def rfidTagLost(self, e):
source = e.device
self.rfid.setLEDOn(0)
logger.debug('RFID %i: Tag Lost: %s', source.getSerialNum(), e.tag)
def forget_spotify_credentials(self):
# delete from store
self.store.delete_configs(['spotify.username', 'spotify.password_blob'])
# notify clients
self.wsregistry.broadcast('app', SpotifyCredentialStoredMessage(self.store.get_config('spotify.password_blob') is not None))
def start(self):
logger.info('Starting appcontainer')
# initialize store
logger.info('Initializing store')
self.store.initialize()
# start spotify
logger.info('Starting spotify session')
self.spotify_session.start()
# login using stored credentials
username = self.store.get_config('spotify.username')
password_blob = self.store.get_config('spotify.password_blob')
if username and password_blob:
logger.info('Logging in with username %s', username)
self.spotify_session.login(username, None, False, password_blob)
# start webapp
listen_port = self.config['listen_port']
logger.info('Starting web application, listening on port %s', listen_port)
self.webapp.listen(listen_port)
self.asyncioloop.start()
# start rfid
logger.info('Initializing RFID reader')
self.rfid.openPhidget()
logger.info('Appcontainer started')
def stop(self):
logger.info('Stopping appcontainer')
# stop rfid
logger.info('Closing RFID reader')
self.rfid.closePhidget()
# stop webapp
logger.info('Stopping web application')
self.asyncioloop.stop()
# stop spotify
logger.info('Stopping Spotify session')
self.spotify_session.stop()
logger.info('Appcontainer stopped')