PlexKodiConnect/resources/lib/playqueue.py
2017-12-28 21:31:05 +01:00

233 lines
9.5 KiB
Python

"""
Monitors the Kodi playqueue and adjusts the Plex playqueue accordingly
"""
from logging import getLogger
from threading import RLock, Thread
from xbmc import sleep, Player, PlayList, PLAYLIST_MUSIC, PLAYLIST_VIDEO
from utils import window, thread_methods
import playlist_func as PL
from PlexFunctions import ConvertPlexToKodiTime, GetAllPlexChildren
from PlexAPI import API
from playbackutils import PlaybackUtils
import json_rpc as js
import variables as v
###############################################################################
LOG = getLogger("PLEX." + __name__)
# lock used for playqueue manipulations
LOCK = RLock()
PLUGIN = 'plugin://%s' % v.ADDON_ID
###############################################################################
@thread_methods(add_suspends=['PMS_STATUS'])
class Playqueue(Thread):
"""
Monitors Kodi's playqueues for changes on the Kodi side
"""
# Borg - multiple instances, shared state
__shared_state = {}
playqueues = None
def __init__(self, callback=None):
self.__dict__ = self.__shared_state
if self.playqueues is not None:
LOG.debug('Playqueue thread has already been initialized')
Thread.__init__(self)
return
self.mgr = callback
# Initialize Kodi playqueues
with LOCK:
self.playqueues = []
for queue in js.get_playlists():
playqueue = PL.Playqueue_Object()
playqueue.playlistid = queue['playlistid']
playqueue.type = queue['type']
# Initialize each Kodi playlist
if playqueue.type == 'audio':
playqueue.kodi_pl = PlayList(PLAYLIST_MUSIC)
elif playqueue.type == 'video':
playqueue.kodi_pl = PlayList(PLAYLIST_VIDEO)
else:
# Currently, only video or audio playqueues available
playqueue.kodi_pl = PlayList(PLAYLIST_VIDEO)
# Overwrite 'picture' with 'photo'
playqueue.type = v.KODI_TYPE_PHOTO
self.playqueues.append(playqueue)
# sort the list by their playlistid, just in case
self.playqueues = sorted(
self.playqueues, key=lambda i: i.playlistid)
LOG.debug('Initialized the Kodi play queues: %s', self.playqueues)
Thread.__init__(self)
def get_playqueue_from_type(self, typus):
"""
Returns the playqueue according to the typus ('video', 'audio',
'picture') passed in
"""
with LOCK:
for playqueue in self.playqueues:
if playqueue.type == typus:
break
else:
raise ValueError('Wrong playlist type passed in: %s' % typus)
return playqueue
def init_playqueue_from_plex_children(self, plex_id):
"""
Init a new playqueue e.g. from an album. Alexa does this
Returns the Playlist_Object
"""
xml = GetAllPlexChildren(plex_id)
try:
xml[0].attrib
except (TypeError, IndexError, AttributeError):
LOG.error('Could not download the PMS xml for %s', plex_id)
return
playqueue = self.get_playqueue_from_type(
v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[xml[0].attrib['type']])
playqueue.clear()
for i, child in enumerate(xml):
api = API(child)
PL.add_item_to_playlist(playqueue, i, plex_id=api.getRatingKey())
LOG.debug('Firing up Kodi player')
Player().play(playqueue.kodi_pl, None, False, 0)
return playqueue
def update_playqueue_from_PMS(self,
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)
with LOCK:
xml = PL.get_PMS_playlist(playqueue, playqueue_id)
playqueue.clear()
try:
PL.get_playlist_details_from_xml(playqueue, xml)
except KeyError:
LOG.error('Could not get playqueue ID %s', playqueue_id)
return
playqueue.repeat = 0 if not repeat else int(repeat)
playqueue.token = transient_token
PlaybackUtils(xml, playqueue).play_all()
window('plex_customplaylist', value="true")
if offset not in (None, "0"):
window('plex_customplaylist.seektime',
str(ConvertPlexToKodiTime(offset)))
for startpos, item in enumerate(playqueue.items):
if item.id == playqueue.selectedItemID:
break
else:
startpos = 0
# Start playback. Player does not return in time
LOG.debug('Playqueues after Plex Companion update are now: %s',
self.playqueues)
thread = Thread(target=Player().play,
args=(playqueue.kodi_pl,
None,
False,
startpos))
thread.setDaemon(True)
thread.start()
def _compare_playqueues(self, playqueue, new):
"""
Used to poll the Kodi playqueue and update the Plex playqueue if needed
"""
old = list(playqueue.items)
index = list(range(0, len(old)))
LOG.debug('Comparing new Kodi playqueue %s with our play queue %s',
new, old)
if self.thread_stopped():
# Chances are that we got an empty Kodi playlist due to
# Kodi exit
return
for i, new_item in enumerate(new):
if (new_item['file'].startswith('plugin://') and
not new_item['file'].startswith(PLUGIN)):
# Ignore new media added by other addons
continue
for j, old_item in enumerate(old):
try:
if (old_item.file.startswith('plugin://') and
not old_item['file'].startswith(PLUGIN)):
# Ignore media by other addons
continue
except (TypeError, AttributeError):
# were not passed a filename; ignore
pass
if new_item.get('id') is None:
identical = old_item.file == new_item['file']
else:
identical = (old_item.kodi_id == new_item['id'] and
old_item.kodi_type == new_item['type'])
if j == 0 and identical:
del old[j], index[j]
break
elif identical:
LOG.debug('Detected playqueue item %s moved to position %s',
i+j, i)
PL.move_playlist_item(playqueue, i + j, i)
del old[j], index[j]
break
else:
LOG.debug('Detected new Kodi element at position %s: %s ',
i, new_item)
if playqueue.id is None:
PL.init_Plex_playlist(playqueue,
kodi_item=new_item)
else:
PL.add_item_to_PMS_playlist(playqueue,
i,
kodi_item=new_item)
for j in range(i, len(index)):
index[j] += 1
for i in reversed(index):
LOG.debug('Detected deletion of playqueue element at pos %s', i)
PL.delete_playlist_item_from_PMS(playqueue, i)
LOG.debug('Done comparing playqueues')
def run(self):
thread_stopped = self.thread_stopped
thread_suspended = self.thread_suspended
LOG.info("----===## Starting PlayQueue client ##===----")
# Initialize the playqueues, if Kodi already got items in them
for playqueue in self.playqueues:
for i, item in enumerate(js.playlist_get_items(playqueue.id)):
if i == 0:
PL.init_Plex_playlist(playqueue, kodi_item=item)
else:
PL.add_item_to_PMS_playlist(playqueue, i, kodi_item=item)
while not thread_stopped():
while thread_suspended():
if thread_stopped():
break
sleep(1000)
# with LOCK:
# for playqueue in self.playqueues:
# kodi_playqueue = js.playlist_get_items(playqueue.id)
# if playqueue.old_kodi_pl != kodi_playqueue:
# # compare old and new playqueue
# self._compare_playqueues(playqueue, kodi_playqueue)
# playqueue.old_kodi_pl = list(kodi_playqueue)
# # Still sleep a bit so Kodi does not become
# # unresponsive
# sleep(10)
# continue
sleep(200)
LOG.info("----===## PlayQueue client stopped ##===----")