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plex.py
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plex.py
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"""
Controller to interface with the Plex-app.
"""
import json
from time import sleep
from urlparse import urlparse
from pychromecast.controllers import BaseController
from pychromecast.controllers.media import MediaController
STREAM_TYPE_UNKNOWN = "UNKNOWN"
STREAM_TYPE_BUFFERED = "BUFFERED"
STREAM_TYPE_LIVE = "LIVE"
MESSAGE_TYPE = 'type'
TYPE_PLAY = "PLAY"
TYPE_PAUSE = "PAUSE"
TYPE_STOP = "STOP"
TYPE_STEPFORWARD = "STEPFORWARD"
TYPE_STEPBACKWARD = "STEPBACK"
TYPE_PREVIOUS = "PREVIOUS"
TYPE_NEXT = "NEXT"
TYPE_LOAD = "LOAD"
TYPE_SEEK = "SEEK"
TYPE_MEDIA_STATUS = 'MEDIA_STATUS'
TYPE_GET_STATUS = "GET_STATUS"
class PlexController(BaseController):
""" Controller to interact with Plex namespace. """
def __init__(self,cast):
super(PlexController, self).__init__(
"urn:x-cast:plex", "9AC194DC")
self.app_id = "9AC194DC"
self.namespace = "urn:x-cast:plex"
self.request_id = 0
self.media_session_id = 0
self.receiver = None
self.last_message = "No messages sent"
self.media_meta = {}
self.volume = cast.status.volume_level
self.muted = False
self.stream_type = ""
self.state = "Idle"
self._status_listeners = []
self.cast = cast
def set_volume(self, percent):
percent = float(percent) / 100
self.cast.set_volume(percent)
def volume_up(self):
self.cast.volume_up()
def volume_down(self):
self.cast.volume_down()
def mute(self, status):
self.cast.set_volume_muted(status)
def stop(self):
self.namespace = "urn:x-cast:plex"
""" Send stop command. """
self.request_id += 1
self.send_message({MESSAGE_TYPE: TYPE_STOP})
def pause(self):
self.namespace = "urn:x-cast:plex"
""" Send pause command. """
self.request_id += 1
self.send_message({MESSAGE_TYPE: TYPE_PAUSE})
def play(self):
self.namespace = "urn:x-cast:plex"
""" Send play command. """
self.request_id += 1
self.send_message({MESSAGE_TYPE: TYPE_PLAY})
def previous(self):
self.namespace = "urn:x-cast:plex"
""" Send previous command. """
self.request_id += 1
self.send_message({MESSAGE_TYPE: TYPE_PREVIOUS})
def next(self):
self.namespace = "urn:x-cast:plex"
""" Send next command. """
self.request_id += 1
self.send_message({MESSAGE_TYPE: TYPE_NEXT})
def get_last_message(self):
return self.last_message
def play_media(self, params, callback_function=None, **kwargs):
"""
Launch the Plex chromecast app and initiate playback
:param params:
:param callback_function:
:dict params: Requires the following keys for successful playback-
'Contentid' - The media key from PMS
'Contenttype' - 'audio' or 'video'
'Serverid' - ID of the PMS Server where the media is located
'Serveruri' - URI of the PMS Server (http(s)://server.ip.or.hostname:PORT)
'Transienttoken' - A transient token for the server hosting the media
'Username' - Name of the PMS user
'Queueid' - The Playqueue ID containing the media
'Serverversion' (Optional) - Version of the server hosting the media
'Offset' (Optional) - Interval, in milliseconds, to start playback from
:callable|None callback_function:
:param kwargs: additional arguments
"""
self.namespace = "urn:x-cast:plex"
def app_launched_callback():
self.logger.debug("Application is launched")
self.set_load(params, callback_function)
receiver_ctrl = self._socket_client.receiver_controller
receiver_ctrl.launch_app(self.app_id, callback_function=app_launched_callback)
def set_load(self, params, callback_function):
self.logger.debug("Reached the load phase")
self.namespace = "urn:x-cast:com.google.cast.media"
play_queue_id = params['Queueid']
content_id = params['Contentid']
self.request_id += 1 # Update
server_uri = urlparse(params['Serveruri'])
protocol = server_uri.scheme
address = server_uri.hostname
port = server_uri.port
if protocol == 'https':
verified = True
else:
verified = False
if 'Version' in params:
server_version = params['Version']
else:
server_version = "1.10.1.4602"
if 'Offset' in params:
offset = int(params['offset'])
else:
offset = 0
if 'providerIdentifier' in params:
provider_identifier = params['providerIdentifier']
else:
provider_identifier = "com.plexapp.plugins.library"
if "provider.plex.tv" in content_id:
self.logger.debug("This is a pc, we need to format")
container_key = "{}?own=1".format(content_id)
content_key = "/library/metadata/{}".format(play_queue_id)
else:
container_key = "/playQueues/{}?own=1".format(play_queue_id)
content_key = content_id
self.logger.debug("Protocol, address, port and verified are %s %s %s and %s", protocol, address, port, verified)
server = {
"machineIdentifier": params["Serverid"],
"transcoderVideo": True,
"transcoderVideoRemuxOnly": False,
"transcoderAudio": True,
"isVerifiedHostname": verified,
"protocol": protocol,
"address": address,
"accessToken": params["Transienttoken"]
}
if port is not None:
server['port'] = str(port)
if 'Primaryserverid' in params:
primary_id = params['Primaryserverid']
else:
primary_id = params['Serverid']
if 'Primaryservertoken' in params:
primary_token = params['Primaryservertoken']
else:
primary_token = params['Transienttoken']
if 'Primaryserveruri' in params:
primary_uri = urlparse(params['Primaryserveruri'])
primary_protocol = primary_uri.scheme
primary_address = primary_uri.hostname
primary_port = primary_uri.port
else:
primary_protocol = protocol
primary_address = address
primary_port = port
if primary_protocol == 'https':
primary_verified = True
else:
primary_verified = False
primary_server = {
"machineIdentifier": primary_id,
"transcoderVideo": True,
"transcoderVideoRemuxOnly": False,
"transcoderAudio": True,
"version": server_version,
"myPlexSubscription": True,
"isVerifiedHostname": primary_verified,
"protocol": primary_protocol,
"address": primary_address,
"accessToken": primary_token
}
if primary_port is not None:
primary_server['port'] = str(primary_port),
media = {
"contentId": content_key,
"streamType": "BUFFERED",
"metadata": None,
"duration": None,
"tracks": None,
"textTrackStyle": None,
"customData": {
"playQueueType": params['Contenttype'],
"providerIdentifier": provider_identifier,
"containerKey": container_key,
"offset": offset,
"directPlay": True,
"directStream": True,
"audioBoost": 100,
"audioForceMultiChannel": False,
"autoPlay": True,
"mediaIndex": None,
"subtitleSize": 100,
"server": server,
"primaryServer": primary_server,
"user": {
"username": params["Username"]
}
}
}
self.logger.debug("Sending media message: " + json.dumps(media))
msg = {
"type": "LOAD",
"requestId": 0,
"sessionId": None, # Does this need to be static?
"media": media,
"activeTrackIds": None,
"autoplay": True,
"currentTime": offset,
"customData": None
}
self.logger.debug("Sending playback message: " + json.dumps(msg))
def parse_status(data):
self.update_plex_status(data)
self.send_message(msg, inc_session_id=True, callback_function=parse_status)
def update_plex_status(self, data):
self.logger.debug("Got a request to update plex status: %s", json.dumps(data))
self.media_meta = data['status'][0]['media']['metadata']
self.volume = self.cast.status.volume_level
self.muted = self.cast.status.volume_muted
self.stream_type = data['status'][0]['customData']['type']
self.state = data['status'][0]['playerState']
def plex_status(self):
self.namespace = "urn:x-cast:com.google.cast.media"
self.logger.debug("Plex status requested.")
def parseada_status(data):
self.logger.debug("Callback fired?")
self.update_plex_status(data)
self.send_message({MESSAGE_TYPE: TYPE_GET_STATUS}, callback_function=parseada_status)
sleep(1.0)
return {
"meta": self.media_meta,
"volume": self.volume,
"muted": self.muted,
"type": self.stream_type,
"state": self.state
}
def receive_message(self, message, data):
""" Called when a media message is received. """
self.logger.debug("Plex media receive function called.")
if data[MESSAGE_TYPE] == TYPE_MEDIA_STATUS:
self.logger.debug("(DH) MESSAGE RECEIVED: " + data)
return True
return False
def register_status_listener(self, listener):
""" Register a listener for new media statusses. A new status will
call listener.new_media_status(status) """
self._status_listeners.append(listener)
return False
def _process_media_status(self, data):
""" Processes a STATUS message. """
def _fire_status_changed(self):
""" Tells listeners of a changed status. """
for listener in self._status_listeners:
try:
self.logger.debug("Doing a thing with a listener...")
except Exception: # pylint: disable=broad-except
pass
def tear_down(self):
""" Called when controller is destroyed. """
super(PlexController, self).tear_down()
self._status_listeners[:] = []