Fix playlists getting recreated and deleted in an endless loop

This commit is contained in:
croneter 2018-07-07 18:21:50 +02:00
parent 0166aaf7ba
commit d44e782543
3 changed files with 46 additions and 23 deletions

View file

@ -1189,8 +1189,7 @@ class LibrarySync(Thread):
if typus == 'playlist':
if not state.SYNC_PLAYLISTS:
continue
playlists.process_websocket(plex_id=str(item['itemID']),
updated_at=str(item['updatedAt']),
playlists.process_websocket(plex_id=unicode(item['itemID']),
status=status)
elif status == 9:
# Immediately and always process deletions (as the PMS will

View file

@ -736,6 +736,18 @@ def get_all_playlists():
return xml
def get_pms_playlist_metadata(plex_id):
"""
Returns an xml with the entire metadata like updatedAt.
"""
xml = DU().downloadUrl('{server}/playlists/%s' % plex_id)
try:
xml.attrib
except AttributeError:
xml = None
return xml
def get_PMS_playlist(playlist, playlist_id=None):
"""
Fetches the PMS playlist/playqueue as an XML. Pass in playlist_id if we

View file

@ -78,10 +78,10 @@ def delete_plex_playlist(playlist):
update_plex_table(playlist, delete=True)
def create_kodi_playlist(plex_id=None, updated_at=None):
def create_kodi_playlist(plex_id):
"""
Creates a new Kodi playlist file. Will also add (or modify an existing) Plex
playlist table entry.
Creates a new Kodi playlist file. Will also add (or modify an existing)
Plex playlist table entry.
Assumes that the Plex playlist is indeed new. A NEW Kodi playlist will be
created in any case (not replaced). Thus make sure that the "same" playlist
is deleted from both disk and the Plex database.
@ -90,15 +90,15 @@ def create_kodi_playlist(plex_id=None, updated_at=None):
Be aware that user settings will be checked whether this Plex playlist
should actually indeed be synced
"""
xml = PL.get_PMS_playlist(PL.Playlist_Object(), playlist_id=plex_id)
if xml is None:
LOG.error('Could not get Plex playlist %s', plex_id)
xml_metadata = PL.get_pms_playlist_metadata(plex_id)
if xml_metadata is None:
LOG.error('Could not get Plex playlist metadata %s', plex_id)
raise PL.PlaylistError('Could not get Plex playlist %s' % plex_id)
api = API(xml)
api = API(xml_metadata[0])
if state.SYNC_SPECIFIC_PLEX_PLAYLISTS:
prefix = utils.settings('syncSpecificPlexPlaylistsPrefix').lower()
if api.title() and not api.title().lower().startswith(prefix):
LOG.debug('User chose to not sync playlist %s', api.title())
LOG.debug('User chose to not sync Plex playlist %s', api.title())
return
playlist = PL.Playlist_Object()
playlist.id = api.plex_id()
@ -106,8 +106,9 @@ def create_kodi_playlist(plex_id=None, updated_at=None):
if not state.ENABLE_MUSIC and playlist.type == v.KODI_PLAYLIST_TYPE_AUDIO:
return
playlist.plex_name = api.title()
playlist.plex_updatedat = updated_at
playlist.plex_updatedat = api.updated_at()
LOG.debug('Creating new Kodi playlist from Plex playlist: %s', playlist)
# Derive filename close to Plex playlist name
name = utils.valid_filename(playlist.plex_name)
path = path_ops.path.join(v.PLAYLIST_PATH, playlist.type, '%s.m3u' % name)
while path_ops.exists(path) or playlist_object_from_db(path=path):
@ -126,8 +127,11 @@ def create_kodi_playlist(plex_id=None, updated_at=None):
occurance))
LOG.debug('Kodi playlist path: %s', path)
playlist.kodi_path = path
# Derive filename close to Plex playlist name
_write_playlist_to_file(playlist, xml)
xml_playlist = PL.get_PMS_playlist(playlist, playlist_id=plex_id)
if xml_playlist is None:
LOG.error('Could not get Plex playlist %s', plex_id)
raise PL.PlaylistError('Could not get Plex playlist %s' % plex_id)
_write_playlist_to_file(playlist, xml_playlist)
playlist.kodi_hash = utils.generate_file_md5(path)
update_plex_table(playlist)
LOG.debug('Created Kodi playlist based on Plex playlist: %s', playlist)
@ -303,10 +307,11 @@ def _kodi_playlist_identical(xml_element):
pass
def process_websocket(plex_id, updated_at, status):
def process_websocket(plex_id, status):
"""
Hit by librarysync to process websocket messages concerning playlists
"""
create = False
with state.LOCK_PLAYLISTS:
playlist = playlist_object_from_db(plex_id=plex_id)
@ -314,20 +319,27 @@ def process_websocket(plex_id, updated_at, status):
if playlist and status == 9:
LOG.debug('Plex deletion of playlist detected: %s', playlist)
delete_kodi_playlist(playlist)
elif playlist and playlist.plex_updatedat == updated_at:
LOG.debug('Playlist with id %s already synced: %s',
plex_id, playlist)
elif playlist:
LOG.debug('Change of Plex playlist detected: %s', playlist)
delete_kodi_playlist(playlist)
create = True
xml = PL.get_pms_playlist_metadata(plex_id)
if not xml:
LOG.error('Could not download playlist %s', plex_id)
return
api = API(xml[0])
if api.updated_at() == playlist.plex_updatedat:
LOG.debug('Playlist with id %s already synced: %s',
plex_id, playlist)
else:
LOG.debug('Change of Plex playlist detected: %s',
playlist)
delete_kodi_playlist(playlist)
create = True
elif not playlist and not status == 9:
LOG.debug('Creation of new Plex playlist detected: %s',
plex_id)
create = True
# To the actual work
if create:
create_kodi_playlist(plex_id=plex_id, updated_at=updated_at)
create_kodi_playlist(plex_id)
except PL.PlaylistError:
pass
@ -367,7 +379,7 @@ def _full_sync():
if not playlist:
LOG.debug('New Plex playlist %s discovered: %s',
api.plex_id(), api.title())
create_kodi_playlist(api.plex_id(), api.updated_at())
create_kodi_playlist(api.plex_id())
continue
elif playlist.plex_updatedat != api.updated_at():
LOG.debug('Detected changed Plex playlist %s: %s',
@ -376,7 +388,7 @@ def _full_sync():
delete_kodi_playlist(playlist)
else:
update_plex_table(playlist, delete=True)
create_kodi_playlist(api.plex_id(), api.updated_at())
create_kodi_playlist(api.plex_id())
except PL.PlaylistError:
LOG.info('Skipping playlist %s: %s', api.plex_id(), api.title())
try: