512 lines
19 KiB
Python
512 lines
19 KiB
Python
# -*- coding: utf-8 -*-
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from logging import getLogger
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import os
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import sys
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from xbmcvfs import exists
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from .watchdog.events import FileSystemEventHandler
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from .watchdog.observers import Observer
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from . import playlist_func as PL
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from .plex_api import API
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from . import kodidb_functions as kodidb
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from . import plexdb_functions as plexdb
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from . import utils
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from . import variables as v
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from . import state
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###############################################################################
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LOG = getLogger('PLEX.playlists')
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# Which playlist formates are supported by PKC?
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SUPPORTED_FILETYPES = (
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'm3u',
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# 'm3u8'
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# 'pls',
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# 'cue',
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)
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# Watchdog copy-paste
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EVENT_TYPE_MOVED = 'moved'
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EVENT_TYPE_DELETED = 'deleted'
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EVENT_TYPE_CREATED = 'created'
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EVENT_TYPE_MODIFIED = 'modified'
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# m3u files do not have encoding specified
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if v.PLATFORM == 'Windows':
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ENCODING = 'mbcs'
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else:
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ENCODING = sys.getdefaultencoding()
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def create_plex_playlist(playlist):
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"""
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Adds the playlist [Playlist_Object] to the PMS. If playlist.id is
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not None the existing Plex playlist will be overwritten; otherwise a new
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playlist will be generated and stored accordingly in the playlist object.
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Will also add (or modify an existing) Plex playlist table entry.
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Make sure that playlist.kodi_hash is set!
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Returns None or raises PL.PlaylistError
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"""
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LOG.debug('Creating Plex playlist from Kodi file: %s', playlist)
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plex_ids = _playlist_file_to_plex_ids(playlist)
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if not plex_ids:
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LOG.info('No Plex ids found for playlist %s', playlist)
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raise PL.PlaylistError
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for pos, plex_id in enumerate(plex_ids):
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try:
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if pos == 0 or not playlist.id:
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PL.init_plex_playlist(playlist, plex_id)
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else:
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PL.add_item_to_plex_playlist(playlist, plex_id=plex_id)
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except PL.PlaylistError:
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continue
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update_plex_table(playlist)
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LOG.debug('Done creating Plex playlist %s', playlist)
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def delete_plex_playlist(playlist):
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"""
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Removes the playlist [Playlist_Object] from the PMS. Will also delete the
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entry in the Plex playlist table.
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Returns None or raises PL.PlaylistError
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"""
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LOG.debug('Deleting playlist from PMS: %s', playlist)
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PL.delete_playlist_from_pms(playlist)
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update_plex_table(playlist, delete=True)
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def create_kodi_playlist(plex_id=None, updated_at=None):
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"""
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Creates a new Kodi playlist file. Will also add (or modify an existing) Plex
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playlist table entry.
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Assumes that the Plex playlist is indeed new. A NEW Kodi playlist will be
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created in any case (not replaced). Thus make sure that the "same" playlist
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is deleted from both disk and the Plex database.
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Returns the playlist or raises PL.PlaylistError
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"""
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xml = PL.get_PMS_playlist(PL.Playlist_Object(), playlist_id=plex_id)
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if xml is None:
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LOG.error('Could not get Plex playlist %s', plex_id)
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raise PL.PlaylistError('Could not get Plex playlist %s' % plex_id)
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api = API(xml)
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playlist = PL.Playlist_Object()
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playlist.id = api.plex_id()
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playlist.type = v.KODI_PLAYLIST_TYPE_FROM_PLEX[api.playlist_type()]
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if not state.ENABLE_MUSIC and playlist.type == v.KODI_PLAYLIST_TYPE_AUDIO:
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return
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playlist.plex_name = api.title()
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playlist.plex_updatedat = updated_at
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LOG.debug('Creating new Kodi playlist from Plex playlist: %s', playlist)
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name = utils.valid_filename(playlist.plex_name)
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path = os.path.join(v.PLAYLIST_PATH, playlist.type, '%s.m3u' % name)
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while exists(path) or playlist_object_from_db(path=path):
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# In case the Plex playlist names are not unique
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occurance = utils.REGEX_FILE_NUMBERING.search(path)
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if not occurance:
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path = os.path.join(v.PLAYLIST_PATH,
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playlist.type,
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'%s_01.m3u' % name[:min(len(name), 248)])
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else:
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occurance = int(occurance.group(1)) + 1
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path = os.path.join(v.PLAYLIST_PATH,
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playlist.type,
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'%s_%02d.m3u' % (name[:min(len(name), 248)],
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occurance))
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LOG.debug('Kodi playlist path: %s', path)
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playlist.kodi_path = path
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# Derive filename close to Plex playlist name
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_write_playlist_to_file(playlist, xml)
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playlist.kodi_hash = utils.generate_file_md5(path)
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update_plex_table(playlist)
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LOG.debug('Created Kodi playlist based on Plex playlist: %s', playlist)
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def delete_kodi_playlist(playlist):
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"""
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Removes the corresponding Kodi file for playlist [Playlist_Object] from
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disk. Be sure that playlist.kodi_path is set. Will also delete the entry in
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the Plex playlist table.
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Returns None or raises PL.PlaylistError
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"""
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try:
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os.remove(playlist.kodi_path)
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except (OSError, IOError) as err:
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LOG.error('Could not delete Kodi playlist file %s. Error:\n %s: %s',
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playlist, err.errno, err.strerror)
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raise PL.PlaylistError('Could not delete %s' % playlist.kodi_path)
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else:
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update_plex_table(playlist, delete=True)
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def update_plex_table(playlist, delete=False):
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"""
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Assumes that all sync operations are over. Takes playlist [Playlist_Object]
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and creates/updates the corresponding Plex playlists table entry
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Pass delete=True to delete the playlist entry
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"""
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if delete:
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with plexdb.Get_Plex_DB() as plex_db:
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plex_db.delete_playlist_entry(playlist)
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return
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with plexdb.Get_Plex_DB() as plex_db:
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plex_db.insert_playlist_entry(playlist)
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def _playlist_file_to_plex_ids(playlist):
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"""
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Takes the playlist file located at path [unicode] and parses it.
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Returns a list of plex_ids (str) or raises PL.PlaylistError if a single
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item cannot be parsed from Kodi to Plex.
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"""
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if playlist.kodi_extension == 'm3u':
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plex_ids = m3u_to_plex_ids(playlist)
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return plex_ids
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def _m3u_iterator(text):
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"""
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Yields e.g. plugin://plugin.video.plexkodiconnect.movies/?plex_id=xxx
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"""
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lines = iter(text.split('\n'))
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for line in lines:
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if line.startswith('#EXTINF:'):
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yield next(lines).strip()
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def m3u_to_plex_ids(playlist):
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"""
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Adapter to process *.m3u playlist files. Encoding is not uniform!
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"""
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plex_ids = list()
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with open(playlist.kodi_path, 'rb') as f:
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text = f.read()
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try:
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text = text.decode(ENCODING)
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except UnicodeDecodeError:
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LOG.warning('Fallback to ISO-8859-1 decoding for %s', playlist)
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text = text.decode('ISO-8859-1')
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for entry in _m3u_iterator(text):
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plex_id = utils.REGEX_PLEX_ID.search(entry)
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if plex_id:
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plex_id = plex_id.group(1)
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plex_ids.append(plex_id)
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else:
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# Add-on paths not working, try direct
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kodi_id, kodi_type = kodidb.kodiid_from_filename(
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entry, db_type=playlist.type)
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if not kodi_id:
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continue
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with plexdb.Get_Plex_DB() as plex_db:
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plex_id = plex_db.getItem_byKodiId(kodi_id, kodi_type)
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if plex_id:
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plex_ids.append(plex_id[0])
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return plex_ids
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def _write_playlist_to_file(playlist, xml):
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"""
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Feed with playlist [Playlist_Object]. Will write the playlist to a m3u file
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Returns None or raises PL.PlaylistError
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"""
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text = u'#EXTCPlayListM3U::M3U\n'
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for element in xml:
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api = API(element)
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text += (u'#EXTINF:%s,%s\n%s\n'
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% (api.runtime(), api.title(), api.path()))
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text += '\n'
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text = text.encode(ENCODING, 'ignore')
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try:
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with open(playlist.kodi_path, 'wb') as f:
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f.write(text)
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except (OSError, IOError) as err:
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LOG.error('Could not write Kodi playlist file: %s', playlist)
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LOG.error('Error message %s: %s', err.errno, err.strerror)
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raise PL.PlaylistError('Cannot write Kodi playlist to path for %s'
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% playlist)
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def change_plex_playlist_name(playlist, new_name):
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"""
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TODO - Renames the existing playlist with new_name [unicode]
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"""
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pass
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def plex_id_from_playlist_path(path):
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"""
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Given the Kodi playlist path [unicode], this will return the Plex id [str]
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or None
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"""
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with plexdb.Get_Plex_DB() as plex_db:
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plex_id = plex_db.plex_id_from_playlist_path(path)
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if not plex_id:
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LOG.error('Could not find existing entry for playlist path %s', path)
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return plex_id
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def playlist_object_from_db(path=None, kodi_hash=None, plex_id=None):
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"""
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Returns the playlist as a Playlist_Object for either the plex_id, path or
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kodi_hash. kodi_hash will be more reliable as it includes path and file
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content.
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"""
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playlist = PL.Playlist_Object()
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with plexdb.Get_Plex_DB() as plex_db:
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playlist = plex_db.retrieve_playlist(playlist, plex_id, path, kodi_hash)
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return playlist
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def _kodi_playlist_identical(xml_element):
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"""
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Feed with one playlist xml element from the PMS. Will return True if PKC
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already synced this playlist, False if not or if the Play playlist has
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changed in the meantime
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"""
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pass
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@state.LOCKER_PLAYLISTS.lockthis
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def process_websocket(plex_id, updated_at, state):
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"""
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Hit by librarysync to process websocket messages concerning playlists
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"""
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create = False
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playlist = playlist_object_from_db(plex_id=plex_id)
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try:
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if playlist and state == 9:
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LOG.debug('Plex deletion of playlist detected: %s', playlist)
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delete_kodi_playlist(playlist)
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elif playlist and playlist.plex_updatedat == updated_at:
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LOG.debug('Playlist with id %s already synced: %s',
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plex_id, playlist)
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elif playlist:
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LOG.debug('Change of Plex playlist detected: %s', playlist)
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delete_kodi_playlist(playlist)
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create = True
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elif not playlist and not state == 9:
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LOG.debug('Creation of new Plex playlist detected: %s', plex_id)
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create = True
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# To the actual work
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if create:
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create_kodi_playlist(plex_id=plex_id, updated_at=updated_at)
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except PL.PlaylistError:
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pass
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@state.LOCKER_PLAYLISTS.lockthis
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def full_sync():
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"""
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Full sync of playlists between Kodi and Plex. Returns True is successful,
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False otherwise
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"""
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LOG.info('Starting playlist full sync')
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# Get all Plex playlists
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xml = PL.get_all_playlists()
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if xml is None:
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return False
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# For each playlist, check Plex database to see whether we already synced
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# before. If yes, make sure that hashes are identical. If not, sync it.
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with plexdb.Get_Plex_DB() as plex_db:
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old_plex_ids = plex_db.plex_ids_all_playlists()
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for xml_playlist in xml:
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api = API(xml_playlist)
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if (not state.ENABLE_MUSIC and
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api.playlist_type() == v.PLEX_TYPE_AUDIO_PLAYLIST):
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continue
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playlist = playlist_object_from_db(plex_id=api.plex_id())
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try:
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if not playlist:
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LOG.debug('New Plex playlist %s discovered: %s',
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api.plex_id(), api.title())
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create_kodi_playlist(api.plex_id(), api.updated_at())
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continue
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elif playlist.plex_updatedat != api.updated_at():
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LOG.debug('Detected changed Plex playlist %s: %s',
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api.plex_id(), api.title())
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if exists(playlist.kodi_path):
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delete_kodi_playlist(playlist)
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else:
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update_plex_table(playlist, delete=True)
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create_kodi_playlist(api.plex_id(), api.updated_at())
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except PL.PlaylistError:
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LOG.info('Skipping playlist %s: %s', api.plex_id(), api.title())
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try:
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old_plex_ids.remove(api.plex_id())
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except ValueError:
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pass
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# Get rid of old Plex playlists that were deleted on the Plex side
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for plex_id in old_plex_ids:
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playlist = playlist_object_from_db(plex_id=plex_id)
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if playlist:
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LOG.debug('Removing outdated Plex playlist %s from %s',
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playlist.plex_name, playlist.kodi_path)
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try:
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delete_kodi_playlist(playlist)
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except PL.PlaylistError:
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pass
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# Look at all supported Kodi playlists. Check whether they are in the DB.
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with plexdb.Get_Plex_DB() as plex_db:
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old_kodi_hashes = plex_db.kodi_hashes_all_playlists()
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master_paths = [v.PLAYLIST_PATH_VIDEO]
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if state.ENABLE_MUSIC:
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master_paths.append(v.PLAYLIST_PATH_MUSIC)
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for master_path in master_paths:
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for root, _, files in os.walk(master_path):
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for file in files:
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try:
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extension = file.rsplit('.', 1)[1]
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except IndexError:
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continue
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if extension not in SUPPORTED_FILETYPES:
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continue
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path = os.path.join(root, file)
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kodi_hash = utils.generate_file_md5(path)
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playlist = playlist_object_from_db(kodi_hash=kodi_hash)
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playlist_2 = playlist_object_from_db(path=path)
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if playlist:
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# Nothing changed at all - neither path nor content
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old_kodi_hashes.remove(kodi_hash)
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continue
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try:
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playlist = PL.Playlist_Object()
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playlist.kodi_path = path
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playlist.kodi_hash = kodi_hash
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if playlist_2:
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LOG.debug('Changed Kodi playlist %s detected: %s',
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playlist_2.plex_name, path)
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playlist.id = playlist_2.id
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playlist.plex_name = playlist_2.plex_name
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delete_plex_playlist(playlist_2)
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create_plex_playlist(playlist)
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else:
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LOG.debug('New Kodi playlist detected: %s', path)
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# Make sure that we delete any playlist with other hash
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create_plex_playlist(playlist)
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except PL.PlaylistError:
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LOG.info('Skipping Kodi playlist %s', path)
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for kodi_hash in old_kodi_hashes:
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playlist = playlist_object_from_db(kodi_hash=kodi_hash)
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if playlist:
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try:
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delete_plex_playlist(playlist)
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except PL.PlaylistError:
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pass
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LOG.info('Playlist full sync done')
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return True
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class PlaylistEventhandler(FileSystemEventHandler):
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"""
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PKC eventhandler to monitor Kodi playlists safed to disk
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"""
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def dispatch(self, event):
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"""
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Dispatches events to the appropriate methods.
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:param event:
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The event object representing the file system event.
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:type event:
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:class:`FileSystemEvent`
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"""
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if event.is_directory:
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# todo: take care of folder renames
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return
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try:
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_, extension = event.src_path.rsplit('.', 1)
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except ValueError:
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return
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if extension.lower() not in SUPPORTED_FILETYPES:
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return
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if event.src_path.startswith(v.PLAYLIST_PATH_MIXED):
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return
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if (not state.ENABLE_MUSIC and
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event.src_path.startswith(v.PLAYLIST_PATH_MUSIC)):
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return
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_method_map = {
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EVENT_TYPE_MODIFIED: self.on_modified,
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EVENT_TYPE_MOVED: self.on_moved,
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EVENT_TYPE_CREATED: self.on_created,
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EVENT_TYPE_DELETED: self.on_deleted,
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}
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event_type = event.event_type
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with state.LOCK_PLAYLISTS:
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_method_map[event_type](event)
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def on_created(self, event):
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LOG.debug('on_created: %s', event.src_path)
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old_playlist = playlist_object_from_db(path=event.src_path)
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if old_playlist:
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LOG.debug('Playlist already in DB - skipping')
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return
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playlist = PL.Playlist_Object()
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playlist.kodi_path = event.src_path
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playlist.kodi_hash = utils.generate_file_md5(event.src_path)
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try:
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create_plex_playlist(playlist)
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except PL.PlaylistError:
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pass
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def on_deleted(self, event):
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LOG.debug('on_deleted: %s', event.src_path)
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playlist = playlist_object_from_db(path=event.src_path)
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if not playlist:
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LOG.error('Playlist not found in DB for path %s', event.src_path)
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else:
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delete_plex_playlist(playlist)
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def on_modified(self, event):
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LOG.debug('on_modified: %s', event.src_path)
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old_playlist = playlist_object_from_db(path=event.src_path)
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new_playlist = PL.Playlist_Object()
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if old_playlist:
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# Retain the name! Might've vom from Plex
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new_playlist.plex_name = old_playlist.plex_name
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new_playlist.kodi_path = event.src_path
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new_playlist.kodi_hash = utils.generate_file_md5(event.src_path)
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try:
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if not old_playlist:
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LOG.debug('Old playlist not found, creating a new one')
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try:
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create_plex_playlist(new_playlist)
|
|
except PL.PlaylistError:
|
|
pass
|
|
elif old_playlist.kodi_hash == new_playlist.kodi_hash:
|
|
LOG.debug('Old and new playlist are identical - nothing to do')
|
|
else:
|
|
delete_plex_playlist(old_playlist)
|
|
create_plex_playlist(new_playlist)
|
|
except PL.PlaylistError:
|
|
pass
|
|
|
|
def on_moved(self, event):
|
|
LOG.debug('on_moved: %s to %s', event.src_path, event.dest_path)
|
|
old_playlist = playlist_object_from_db(path=event.src_path)
|
|
if not old_playlist:
|
|
LOG.error('Did not have source path in the DB', event.src_path)
|
|
else:
|
|
delete_plex_playlist(old_playlist)
|
|
new_playlist = PL.Playlist_Object()
|
|
new_playlist.kodi_path = event.dest_path
|
|
new_playlist.kodi_hash = utils.generate_file_md5(event.dest_path)
|
|
try:
|
|
create_plex_playlist(new_playlist)
|
|
except PL.PlaylistError:
|
|
pass
|
|
|
|
|
|
def kodi_playlist_monitor():
|
|
"""
|
|
Monitors the Kodi playlist folder special://profile/playlist for the user.
|
|
Will thus catch all changes on the Kodi side of things.
|
|
|
|
Returns an watchdog Observer instance. Be sure to use
|
|
observer.stop() (and maybe observer.join()) to shut down properly
|
|
"""
|
|
event_handler = PlaylistEventhandler()
|
|
observer = Observer()
|
|
observer.schedule(event_handler, v.PLAYLIST_PATH, recursive=True)
|
|
observer.start()
|
|
return observer
|