328 lines
13 KiB
Python
328 lines
13 KiB
Python
"""
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Manages getting playstate from Kodi and sending it to the PMS as well as
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subscribed Plex Companion clients.
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"""
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from logging import getLogger
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from re import sub
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from threading import Thread, RLock
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from downloadutils import DownloadUtils as DU
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from utils import window, kodi_time_to_millis
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import state
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import variables as v
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import json_rpc as js
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###############################################################################
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LOG = getLogger("PLEX." + __name__)
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###############################################################################
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# What is Companion controllable?
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CONTROLLABLE = {
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v.PLEX_TYPE_PHOTO: 'skipPrevious,skipNext,stop',
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v.PLEX_TYPE_AUDIO: 'playPause,stop,volume,shuffle,repeat,seekTo,'
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'skipPrevious,skipNext,stepBack,stepForward',
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v.PLEX_TYPE_VIDEO: 'playPause,stop,volume,shuffle,audioStream,'
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'subtitleStream,seekTo,skipPrevious,skipNext,'
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'stepBack,stepForward'
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}
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class SubscriptionMgr(object):
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"""
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Manages Plex companion subscriptions
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"""
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def __init__(self, request_mgr, player, mgr):
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self.serverlist = []
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self.subscribers = {}
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self.info = {}
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self.container_key = None
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self.ratingkey = None
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self.server = ""
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self.protocol = "http"
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self.port = ""
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# In order to be able to signal a stop at the end
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self.last_params = {}
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self.lastplayers = {}
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self.xbmcplayer = player
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self.playqueue = mgr.playqueue
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self.request_mgr = request_mgr
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@staticmethod
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def _headers():
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"""
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Headers are different for Plex Companion!
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"""
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return {
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'Content-type': 'text/plain',
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'Connection': 'Keep-Alive',
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'Keep-Alive': 'timeout=20',
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'X-Plex-Client-Identifier': v.PKC_MACHINE_IDENTIFIER,
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'Access-Control-Expose-Headers': 'X-Plex-Client-Identifier',
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'X-Plex-Protocol': "1.0"
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}
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def _server_by_host(self, host):
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if len(self.serverlist) == 1:
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return self.serverlist[0]
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for server in self.serverlist:
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if (server.get('serverName') in host or
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server.get('server') in host):
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return server
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return {}
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def _msg(self, players):
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LOG.debug('players: %s', players)
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msg = v.XML_HEADER
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msg += '<MediaContainer size="3" commandID="INSERTCOMMANDID"'
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msg += ' machineIdentifier="%s">\n' % v.PKC_MACHINE_IDENTIFIER
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msg += self._timeline_xml(players.get(v.KODI_TYPE_AUDIO),
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v.PLEX_TYPE_AUDIO)
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msg += self._timeline_xml(players.get(v.KODI_TYPE_PHOTO),
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v.PLEX_TYPE_PHOTO)
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msg += self._timeline_xml(players.get(v.KODI_TYPE_VIDEO),
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v.PLEX_TYPE_VIDEO)
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msg += "</MediaContainer>"
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LOG.debug('msg is: %s', msg)
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return msg
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def _get_container_key(self, playerid):
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key = None
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playlistid = state.PLAYER_STATES[playerid]['playlistid']
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if playlistid != -1:
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# -1 is Kodi's answer if there is no playlist
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try:
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key = self.playqueue.playqueues[playlistid].id
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except (KeyError, IndexError, TypeError):
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pass
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if key is not None:
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key = '/playQueues/%s' % key
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else:
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if state.PLAYER_STATES[playerid]['plex_id']:
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key = '/library/metadata/%s' % \
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state.PLAYER_STATES[playerid]['plex_id']
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return key
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def _timeline_xml(self, player, ptype):
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if player is None:
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return ' <Timeline state="stopped" controllable="%s" type="%s" ' \
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'itemType="%s" />\n' % (CONTROLLABLE[ptype], ptype, ptype)
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playerid = player['playerid']
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info = state.PLAYER_STATES[playerid]
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status = 'paused' if info['speed'] == '0' else 'playing'
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ret = ' <Timeline state="%s"' % status
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ret += ' controllable="%s"' % CONTROLLABLE[ptype]
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ret += ' type="%s" itemType="%s"' % (ptype, ptype)
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ret += ' time="%s"' % kodi_time_to_millis(info['time'])
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ret += ' duration="%s"' % kodi_time_to_millis(info['totaltime'])
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shuffled = '1' if info['shuffled'] else '0'
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ret += ' shuffle="%s"' % shuffled
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ret += ' repeat="%s"' % v.PLEX_REPEAT_FROM_KODI_REPEAT[info['repeat']]
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if ptype != v.KODI_TYPE_PHOTO:
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ret += ' volume="%s"' % info['volume']
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muted = '1' if info['muted'] is True else '0'
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ret += ' mute="%s"' % muted
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pbmc_server = window('pms_server')
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server = self._server_by_host(self.server)
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if pbmc_server:
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(self.protocol, self.server, self.port) = pbmc_server.split(':')
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self.server = self.server.replace('/', '')
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if info['plex_id']:
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self.ratingkey = info['plex_id']
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ret += ' key="/library/metadata/%s"' % info['plex_id']
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ret += ' ratingKey="%s"' % info['plex_id']
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# PlayQueue stuff
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playqueue = self.playqueue.playqueues[playerid]
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key = self._get_container_key(playerid)
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if key is not None and key.startswith('/playQueues'):
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self.container_key = key
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ret += ' containerKey="%s"' % self.container_key
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pos = info['position']
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ret += ' playQueueItemID="%s"' % playqueue.items[pos].id or 'null'
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ret += ' playQueueID="%s"' % playqueue.id or 'null'
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ret += ' playQueueVersion="%s"' % playqueue.version or 'null'
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ret += ' guid="%s"' % playqueue.items[pos].guid or 'null'
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elif key:
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self.container_key = key
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ret += ' containerKey="%s"' % self.container_key
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ret += ' machineIdentifier="%s"' % server.get('uuid', "")
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ret += ' protocol="%s"' % server.get('protocol', 'http')
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ret += ' address="%s"' % server.get('server', self.server)
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ret += ' port="%s"' % server.get('port', self.port)
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# Temp. token set?
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if state.PLEX_TRANSIENT_TOKEN:
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ret += ' token="%s"' % state.PLEX_TRANSIENT_TOKEN
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elif playqueue.plex_transient_token:
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ret += ' token="%s"' % playqueue.plex_transient_token
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# Might need an update in the future
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if ptype == 'video':
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ret += ' subtitleStreamID="-1"'
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ret += ' audioStreamID="-1"'
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ret += '/>\n'
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return ret
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def update_command_id(self, uuid, command_id):
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"""
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Updates the Plex Companien client with the machine identifier uuid with
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command_id
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"""
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if command_id and self.subscribers.get(uuid):
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self.subscribers[uuid].command_id = int(command_id)
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def notify(self):
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"""
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Causes PKC to tell the PMS and Plex Companion players to receive a
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notification what's being played.
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"""
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self._cleanup()
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# Do we need a check to NOT tell about e.g. PVR/TV and Addon playback?
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players = js.get_players()
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# fetch the message, subscribers or not, since the server
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# will need the info anyway
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msg = self._msg(players)
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if self.subscribers:
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with RLock():
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for subscriber in self.subscribers.values():
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subscriber.send_update(msg, not players)
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self._notify_server(players)
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self.lastplayers = players
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return True
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def _notify_server(self, players):
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for typus, player in players.iteritems():
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self._send_pms_notification(
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player['playerid'], self._get_pms_params(player['playerid']))
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try:
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del self.lastplayers[typus]
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except KeyError:
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pass
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# Process the players we have left (to signal a stop)
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for typus, player in self.lastplayers.iteritems():
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self.last_params['state'] = 'stopped'
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self._send_pms_notification(player['playerid'], self.last_params)
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def _get_pms_params(self, playerid):
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info = state.PLAYER_STATES[playerid]
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status = 'paused' if info['speed'] == '0' else 'playing'
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params = {
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'state': status,
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'ratingKey': self.ratingkey,
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'key': '/library/metadata/%s' % self.ratingkey,
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'time': kodi_time_to_millis(info['time']),
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'duration': kodi_time_to_millis(info['totaltime'])
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}
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if self.container_key:
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params['containerKey'] = self.container_key
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if self.container_key is not None and \
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self.container_key.startswith('/playQueues/'):
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playqueue = self.playqueue.playqueues[playerid]
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params['playQueueVersion'] = playqueue.version
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params['playQueueItemID'] = playqueue.id
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self.last_params = params
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return params
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def _send_pms_notification(self, playerid, params):
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serv = self._server_by_host(self.server)
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xargs = self._headers()
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playqueue = self.playqueue.playqueues[playerid]
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if state.PLEX_TRANSIENT_TOKEN:
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xargs['X-Plex-Token'] = state.PLEX_TRANSIENT_TOKEN
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elif playqueue.plex_transient_token:
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xargs['X-Plex-Token'] = playqueue.plex_transient_token
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url = '%s://%s:%s/:/timeline' % (serv.get('protocol', 'http'),
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serv.get('server', 'localhost'),
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serv.get('port', '32400'))
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DU().downloadUrl(url, parameters=params, headerOptions=xargs)
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# Save to be able to signal a stop at the end
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LOG.debug("Sent server notification with parameters: %s to %s",
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params, url)
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def add_subscriber(self, protocol, host, port, uuid, command_id):
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"""
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Adds a new Plex Companion subscriber to PKC.
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"""
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subscriber = Subscriber(protocol,
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host,
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port,
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uuid,
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command_id,
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self,
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self.request_mgr)
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with RLock():
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self.subscribers[subscriber.uuid] = subscriber
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return subscriber
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def remove_subscriber(self, uuid):
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"""
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Removes a connected Plex Companion subscriber with machine identifier
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uuid from PKC notifications.
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(Calls the cleanup() method of the subscriber)
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"""
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with RLock():
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for subscriber in self.subscribers.values():
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if subscriber.uuid == uuid or subscriber.host == uuid:
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subscriber.cleanup()
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del self.subscribers[subscriber.uuid]
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def _cleanup(self):
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with RLock():
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for subscriber in self.subscribers.values():
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if subscriber.age > 30:
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subscriber.cleanup()
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del self.subscribers[subscriber.uuid]
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class Subscriber(object):
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"""
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Plex Companion subscribing device
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"""
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def __init__(self, protocol, host, port, uuid, command_id, sub_mgr,
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request_mgr):
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self.protocol = protocol or "http"
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self.host = host
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self.port = port or 32400
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self.uuid = uuid or host
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self.command_id = int(command_id) or 0
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self.navlocationsent = False
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self.age = 0
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self.sub_mgr = sub_mgr
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self.request_mgr = request_mgr
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def __eq__(self, other):
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return self.uuid == other.uuid
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def cleanup(self):
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"""
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Closes the connection to the Plex Companion client
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"""
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self.request_mgr.closeConnection(self.protocol, self.host, self.port)
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def send_update(self, msg, is_nav):
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"""
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Sends msg to the Plex Companion client (via .../:/timeline)
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"""
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self.age += 1
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if not is_nav:
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self.navlocationsent = False
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elif self.navlocationsent:
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return True
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else:
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self.navlocationsent = True
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msg = sub(r"INSERTCOMMANDID", str(self.command_id), msg)
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LOG.debug("sending xml to subscriber uuid=%s,commandID=%i:\n%s",
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self.uuid, self.command_id, msg)
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url = self.protocol + '://' + self.host + ':' + self.port \
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+ "/:/timeline"
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thread = Thread(target=self._threaded_send, args=(url, msg))
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thread.start()
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def _threaded_send(self, url, msg):
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"""
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Threaded POST request, because they stall due to PMS response missing
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the Content-Length header :-(
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"""
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response = DU().downloadUrl(url, postBody=msg, action_type="POST")
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if response in (False, None, 401):
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self.sub_mgr.remove_subscriber(self.uuid)
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