232 lines
9.8 KiB
Python
232 lines
9.8 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Monitors the Kodi playqueue and adjusts the Plex playqueue accordingly
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"""
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from __future__ import absolute_import, division, unicode_literals
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from logging import getLogger
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import copy
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import xbmc
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from .plex_api import API
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from . import playlist_func as PL, plex_functions as PF
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from . import backgroundthread, utils, json_rpc as js, app, variables as v
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###############################################################################
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LOG = getLogger('PLEX.playqueue')
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PLUGIN = 'plugin://%s' % v.ADDON_ID
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# Our PKC playqueues (3 instances of Playqueue_Object())
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PLAYQUEUES = []
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###############################################################################
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def init_playqueues():
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"""
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Call this once on startup to initialize the PKC playqueue objects in
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the list PLAYQUEUES
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"""
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if PLAYQUEUES:
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LOG.debug('Playqueues have already been initialized')
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return
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# Initialize Kodi playqueues
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with app.APP.lock_playqueues:
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for i in (0, 1, 2):
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# Just in case the Kodi response is not sorted correctly
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for queue in js.get_playlists():
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if queue['playlistid'] != i:
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continue
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playqueue = PL.Playqueue_Object()
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playqueue.playlistid = i
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playqueue.type = queue['type']
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# Initialize each Kodi playlist
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if playqueue.type == v.KODI_TYPE_AUDIO:
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playqueue.kodi_pl = xbmc.PlayList(xbmc.PLAYLIST_MUSIC)
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elif playqueue.type == v.KODI_TYPE_VIDEO:
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playqueue.kodi_pl = xbmc.PlayList(xbmc.PLAYLIST_VIDEO)
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else:
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# Currently, only video or audio playqueues available
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playqueue.kodi_pl = xbmc.PlayList(xbmc.PLAYLIST_VIDEO)
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# Overwrite 'picture' with 'photo'
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playqueue.type = v.KODI_TYPE_PHOTO
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PLAYQUEUES.append(playqueue)
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LOG.debug('Initialized the Kodi playqueues: %s', PLAYQUEUES)
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def get_playqueue_from_type(kodi_playlist_type):
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"""
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Returns the playqueue according to the kodi_playlist_type ('video',
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'audio', 'picture') passed in
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"""
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for playqueue in PLAYQUEUES:
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if playqueue.type == kodi_playlist_type:
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break
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else:
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raise ValueError('Wrong playlist type passed in: %s',
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kodi_playlist_type)
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return playqueue
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def init_playqueue_from_plex_children(plex_id, transient_token=None):
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"""
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Init a new playqueue e.g. from an album. Alexa does this
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Returns the playqueue
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"""
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xml = PF.GetAllPlexChildren(plex_id)
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try:
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xml[0].attrib
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except (TypeError, IndexError, AttributeError):
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LOG.error('Could not download the PMS xml for %s', plex_id)
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return
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playqueue = get_playqueue_from_type(
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v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[xml[0].attrib['type']])
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playqueue.clear()
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for i, child in enumerate(xml):
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api = API(child)
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try:
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PL.add_item_to_playlist(playqueue, i, plex_id=api.plex_id)
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except PL.PlaylistError:
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LOG.error('Could not add Plex item to our playlist: %s, %s',
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child.tag, child.attrib)
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playqueue.plex_transient_token = transient_token
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LOG.debug('Firing up Kodi player')
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app.APP.player.play(playqueue.kodi_pl, None, False, 0)
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return playqueue
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class PlayqueueMonitor(backgroundthread.KillableThread):
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"""
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Unfortunately, Kodi does not tell if items within a Kodi playqueue
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(playlist) are swapped. This is what this monitor is for. Don't replace
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this mechanism till Kodi's implementation of playlists has improved
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"""
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def _compare_playqueues(self, playqueue, new_kodi_playqueue):
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"""
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Used to poll the Kodi playqueue and update the Plex playqueue if needed
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"""
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old = list(playqueue.items)
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# We might append to new_kodi_playqueue but will need the original
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# still back in the main loop
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new = copy.deepcopy(new_kodi_playqueue)
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index = list(range(0, len(old)))
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LOG.debug('Comparing new Kodi playqueue %s with our play queue %s',
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new, old)
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for i, new_item in enumerate(new):
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if (new_item['file'].startswith('plugin://') and
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not new_item['file'].startswith(PLUGIN)):
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# Ignore new media added by other addons
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continue
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for j, old_item in enumerate(old):
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if self.should_suspend() or self.should_cancel():
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# Chances are that we got an empty Kodi playlist due to
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# Kodi exit
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return
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try:
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if (old_item.file.startswith('plugin://') and
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not old_item.file.startswith(PLUGIN)):
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# Ignore media by other addons
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continue
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except AttributeError:
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# were not passed a filename; ignore
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pass
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if 'id' in new_item:
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identical = (old_item.kodi_id == new_item['id'] and
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old_item.kodi_type == new_item['type'])
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else:
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try:
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plex_id = int(utils.REGEX_PLEX_ID.findall(new_item['file'])[0])
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except IndexError:
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LOG.debug('Comparing paths directly as a fallback')
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identical = old_item.file == new_item['file']
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else:
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identical = plex_id == old_item.plex_id
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if j == 0 and identical:
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del old[j], index[j]
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break
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elif identical:
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LOG.debug('Playqueue item %s moved to position %s',
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i + j, i)
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try:
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PL.move_playlist_item(playqueue, i + j, i)
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except PL.PlaylistError:
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LOG.error('Could not modify playqueue positions')
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LOG.error('This is likely caused by mixing audio and '
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'video tracks in the Kodi playqueue')
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del old[j], index[j]
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break
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else:
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LOG.debug('Detected new Kodi element at position %s: %s ',
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i, new_item)
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try:
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if playqueue.id is None:
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PL.init_plex_playqueue(playqueue, kodi_item=new_item)
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else:
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PL.add_item_to_plex_playqueue(playqueue,
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i,
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kodi_item=new_item)
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except PL.PlaylistError:
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# Could not add the element
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pass
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except KeyError:
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# Catches KeyError from PL.verify_kodi_item()
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# Hack: Kodi already started playback of a new item and we
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# started playback already using kodimonitors
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# PlayBackStart(), but the Kodi playlist STILL only shows
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# the old element. Hence ignore playlist difference here
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LOG.debug('Detected an outdated Kodi playlist - ignoring')
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return
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except IndexError:
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# This is really a hack - happens when using Addon Paths
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# and repeatedly starting the same element. Kodi will then
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# not pass kodi id nor file path AND will also not
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# start-up playback. Hence kodimonitor kicks off playback.
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# Also see kodimonitor.py - _playlist_onadd()
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pass
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else:
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for j in range(i, len(index)):
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index[j] += 1
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for i in reversed(index):
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if self.should_suspend() or self.should_cancel():
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# Chances are that we got an empty Kodi playlist due to
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# Kodi exit
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return
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LOG.debug('Detected deletion of playqueue element at pos %s', i)
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try:
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PL.delete_playlist_item_from_PMS(playqueue, i)
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except PL.PlaylistError:
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LOG.error('Could not delete PMS element from position %s', i)
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LOG.error('This is likely caused by mixing audio and '
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'video tracks in the Kodi playqueue')
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LOG.debug('Done comparing playqueues')
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def run(self):
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LOG.info("----===## Starting PlayqueueMonitor ##===----")
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app.APP.register_thread(self)
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try:
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self._run()
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finally:
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app.APP.deregister_thread(self)
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LOG.info("----===## PlayqueueMonitor stopped ##===----")
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def _run(self):
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while not self.should_cancel():
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if self.should_suspend():
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if self.wait_while_suspended():
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return
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with app.APP.lock_playqueues:
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for playqueue in PLAYQUEUES:
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kodi_pl = js.playlist_get_items(playqueue.playlistid)
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if playqueue.old_kodi_pl != kodi_pl:
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if playqueue.id is None and (not app.SYNC.direct_paths or
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app.PLAYSTATE.context_menu_play):
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# Only initialize if directly fired up using direct
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# paths. Otherwise let default.py do its magic
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LOG.debug('Not yet initiating playback')
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else:
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# compare old and new playqueue
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self._compare_playqueues(playqueue, kodi_pl)
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playqueue.old_kodi_pl = list(kodi_pl)
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self.sleep(0.2)
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