PlexKodiConnect/resources/lib/plex_companion.py
2018-11-18 14:59:17 +01:00

352 lines
13 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
The Plex Companion master python file
"""
from __future__ import absolute_import, division, unicode_literals
from logging import getLogger
from threading import Thread
from Queue import Empty
from socket import SHUT_RDWR
from urllib import urlencode
from xbmc import sleep, executebuiltin, Player
from .plexbmchelper import listener, plexgdm, subscribers, httppersist
from .plex_api import API
from . import utils
from . import plex_functions as PF
from . import playlist_func as PL
from . import playback
from . import json_rpc as js
from . import playqueue as PQ
from . import variables as v
from . import backgroundthread
from . import app
###############################################################################
LOG = getLogger('PLEX.plex_companion')
###############################################################################
def update_playqueue_from_PMS(playqueue,
playqueue_id=None,
repeat=None,
offset=None,
transient_token=None):
"""
Completely updates the Kodi playqueue with the new Plex playqueue. Pass
in playqueue_id if we need to fetch a new playqueue
repeat = 0, 1, 2
offset = time offset in Plextime (milliseconds)
"""
LOG.info('New playqueue %s received from Plex companion with offset '
'%s, repeat %s', playqueue_id, offset, repeat)
# Safe transient token from being deleted
if transient_token is None:
transient_token = playqueue.plex_transient_token
with app.APP.lock_playqueues:
xml = PL.get_PMS_playlist(playqueue, playqueue_id)
try:
xml.attrib
except AttributeError:
LOG.error('Could now download playqueue %s', playqueue_id)
return
playqueue.clear()
try:
PL.get_playlist_details_from_xml(playqueue, xml)
except PL.PlaylistError:
LOG.error('Could not get playqueue ID %s', playqueue_id)
return
playqueue.repeat = 0 if not repeat else int(repeat)
playqueue.plex_transient_token = transient_token
playback.play_xml(playqueue, xml, offset)
class PlexCompanion(backgroundthread.KillableThread):
"""
Plex Companion monitoring class. Invoke only once
"""
def __init__(self):
LOG.info("----===## Starting PlexCompanion ##===----")
# Init Plex Companion queue
# Start GDM for server/client discovery
self.client = plexgdm.plexgdm()
self.client.clientDetails()
LOG.debug("Registration string is:\n%s", self.client.getClientDetails())
# kodi player instance
self.player = Player()
self.httpd = False
self.subscription_manager = None
super(PlexCompanion, self).__init__()
def isSuspended(self):
"""
Returns True if the thread is suspended
"""
return self._suspended or app.CONN.pms_status
def _process_alexa(self, data):
xml = PF.GetPlexMetadata(data['key'])
try:
xml[0].attrib
except (AttributeError, IndexError, TypeError):
LOG.error('Could not download Plex metadata for: %s', data)
return
api = API(xml[0])
if api.plex_type() == v.PLEX_TYPE_ALBUM:
LOG.debug('Plex music album detected')
PQ.init_playqueue_from_plex_children(
api.plex_id(),
transient_token=data.get('token'))
elif data['containerKey'].startswith('/playQueues/'):
_, container_key, _ = PF.ParseContainerKey(data['containerKey'])
xml = PF.DownloadChunks('{server}/playQueues/%s?' % container_key)
if xml is None:
# "Play error"
utils.dialog('notification',
utils.lang(29999),
utils.lang(30128),
icon='{error}')
return
playqueue = PQ.get_playqueue_from_type(
v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[api.plex_type()])
playqueue.clear()
PL.get_playlist_details_from_xml(playqueue, xml)
playqueue.plex_transient_token = data.get('token')
if data.get('offset') != '0':
offset = float(data['offset']) / 1000.0
else:
offset = None
playback.play_xml(playqueue, xml, offset)
else:
app.CONN.plex_transient_token = data.get('token')
if data.get('offset') != '0':
app.PLAYSTATE.resume_playback = True
playback.playback_triage(api.plex_id(),
api.plex_type(),
resolve=False)
@staticmethod
def _process_node(data):
"""
E.g. watch later initiated by Companion. Basically navigating Plex
"""
app.CONN.plex_transient_token = data.get('key')
params = {
'mode': 'plex_node',
'key': '{server}%s' % data.get('key'),
'offset': data.get('offset')
}
executebuiltin('RunPlugin(plugin://%s?%s)'
% (v.ADDON_ID, urlencode(params)))
def _process_playlist(self, data):
# Get the playqueue ID
_, container_key, query = PF.ParseContainerKey(data['containerKey'])
try:
playqueue = PQ.get_playqueue_from_type(
v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[data['type']])
except KeyError:
# E.g. Plex web does not supply the media type
# Still need to figure out the type (video vs. music vs. pix)
xml = PF.GetPlexMetadata(data['key'])
try:
xml[0].attrib
except (AttributeError, IndexError, TypeError):
LOG.error('Could not download Plex metadata')
return
api = API(xml[0])
playqueue = PQ.get_playqueue_from_type(
v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[api.plex_type()])
update_playqueue_from_PMS(playqueue,
playqueue_id=container_key,
repeat=query.get('repeat'),
offset=data.get('offset'),
transient_token=data.get('token'))
def _process_streams(self, data):
"""
Plex Companion client adjusted audio or subtitle stream
"""
playqueue = PQ.get_playqueue_from_type(
v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[data['type']])
pos = js.get_position(playqueue.playlistid)
if 'audioStreamID' in data:
index = playqueue.items[pos].kodi_stream_index(
data['audioStreamID'], 'audio')
self.player.setAudioStream(index)
elif 'subtitleStreamID' in data:
if data['subtitleStreamID'] == '0':
self.player.showSubtitles(False)
else:
index = playqueue.items[pos].kodi_stream_index(
data['subtitleStreamID'], 'subtitle')
self.player.setSubtitleStream(index)
else:
LOG.error('Unknown setStreams command: %s', data)
def _process_refresh(self, data):
"""
example data: {'playQueueID': '8475', 'commandID': '11'}
"""
xml = PL.get_pms_playqueue(data['playQueueID'])
if xml is None:
return
if len(xml) == 0:
LOG.debug('Empty playqueue received - clearing playqueue')
plex_type = PL.get_plextype_from_xml(xml)
if plex_type is None:
return
playqueue = PQ.get_playqueue_from_type(
v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[plex_type])
playqueue.clear()
return
playqueue = PQ.get_playqueue_from_type(
v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[xml[0].attrib['type']])
update_playqueue_from_PMS(playqueue, data['playQueueID'])
def _process_tasks(self, task):
"""
Processes tasks picked up e.g. by Companion listener, e.g.
{'action': 'playlist',
'data': {'address': 'xyz.plex.direct',
'commandID': '7',
'containerKey': '/playQueues/6669?own=1&repeat=0&window=200',
'key': '/library/metadata/220493',
'machineIdentifier': 'xyz',
'offset': '0',
'port': '32400',
'protocol': 'https',
'token': 'transient-cd2527d1-0484-48e0-a5f7-f5caa7d591bd',
'type': 'video'}}
"""
LOG.debug('Processing: %s', task)
data = task['data']
if task['action'] == 'alexa':
with app.APP.lock_playqueues:
self._process_alexa(data)
elif (task['action'] == 'playlist' and
data.get('address') == 'node.plexapp.com'):
self._process_node(data)
elif task['action'] == 'playlist':
with app.APP.lock_playqueues:
self._process_playlist(data)
elif task['action'] == 'refreshPlayQueue':
with app.APP.lock_playqueues:
self._process_refresh(data)
elif task['action'] == 'setStreams':
try:
self._process_streams(data)
except KeyError:
pass
def run(self):
"""
Ensure that sockets will be closed no matter what
"""
try:
self._run()
finally:
try:
self.httpd.socket.shutdown(SHUT_RDWR)
except AttributeError:
pass
finally:
try:
self.httpd.socket.close()
except AttributeError:
pass
LOG.info("----===## Plex Companion stopped ##===----")
def _run(self):
httpd = self.httpd
# Cache for quicker while loops
client = self.client
# Start up instances
request_mgr = httppersist.RequestMgr()
subscription_manager = subscribers.SubscriptionMgr(request_mgr,
self.player)
self.subscription_manager = subscription_manager
if utils.settings('plexCompanion') == 'true':
# Start up httpd
start_count = 0
while True:
try:
httpd = listener.ThreadedHTTPServer(
client,
subscription_manager,
('', v.COMPANION_PORT),
listener.MyHandler)
httpd.timeout = 0.95
break
except:
LOG.error("Unable to start PlexCompanion. Traceback:")
import traceback
LOG.error(traceback.print_exc())
sleep(3000)
if start_count == 3:
LOG.error("Error: Unable to start web helper.")
httpd = False
break
start_count += 1
else:
LOG.info('User deactivated Plex Companion')
client.start_all()
message_count = 0
if httpd:
thread = Thread(target=httpd.handle_request)
while not self.isCanceled():
# If we are not authorized, sleep
# Otherwise, we trigger a download which leads to a
# re-authorizations
while self.isSuspended():
if self.isCanceled():
break
sleep(1000)
try:
message_count += 1
if httpd:
if not thread.isAlive():
# Use threads cause the method will stall
thread = Thread(target=httpd.handle_request)
thread.start()
if message_count == 3000:
message_count = 0
if client.check_client_registration():
LOG.debug('Client is still registered')
else:
LOG.debug('Client is no longer registered. Plex '
'Companion still running on port %s',
v.COMPANION_PORT)
client.register_as_client()
# Get and set servers
if message_count % 30 == 0:
subscription_manager.serverlist = client.getServerList()
subscription_manager.notify()
if not httpd:
message_count = 0
except:
LOG.warn("Error in loop, continuing anyway. Traceback:")
import traceback
LOG.warn(traceback.format_exc())
# See if there's anything we need to process
try:
task = app.APP.companion_queue.get(block=False)
except Empty:
pass
else:
# Got instructions, process them
self._process_tasks(task)
app.APP.companion_queue.task_done()
# Don't sleep
continue
sleep(50)
subscription_manager.signal_stop()
client.stop_all()