129 lines
5.4 KiB
Python
129 lines
5.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Create and delete playlists on the Kodi side of things
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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 re
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from .common import Playlist, PlaylistError
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from . import db, pms
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from ..plex_api import API
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from .. import utils, path_ops, variables as v
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###############################################################################
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LOG = getLogger('PLEX.playlists.kodi_pl')
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REGEX_FILE_NUMBERING = re.compile(r'''_(\d\d)\.\w+$''')
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# Avoid endless loops. Store the Kodi paths
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IGNORE_KODI_PLAYLIST_CHANGE = list()
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###############################################################################
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def create(plex_id):
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"""
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Creates a new Kodi playlist file. Will also add (or modify an existing)
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Plex 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 PlaylistError
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"""
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xml_metadata = pms.metadata(plex_id)
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if xml_metadata is None:
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LOG.error('Could not get Plex playlist metadata %s', plex_id)
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raise PlaylistError('Could not get Plex playlist %s' % plex_id)
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api = API(xml_metadata[0])
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playlist = Playlist()
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playlist.plex_id = api.plex_id
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playlist.kodi_type = v.KODI_PLAYLIST_TYPE_FROM_PLEX[api.playlist_type()]
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playlist.plex_name = api.title()
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playlist.plex_updatedat = api.updated_at()
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LOG.debug('Creating new Kodi playlist from Plex playlist: %s', playlist)
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# Derive filename close to Plex playlist name
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name = utils.valid_filename(playlist.plex_name)
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path = path_ops.path.join(v.PLAYLIST_PATH, playlist.kodi_type,
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'%s.m3u' % name)
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while path_ops.exists(path) or db.get_playlist(path=path):
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# In case the Plex playlist names are not unique
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occurance = REGEX_FILE_NUMBERING.search(path)
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if not occurance:
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path = path_ops.path.join(v.PLAYLIST_PATH,
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playlist.kodi_type,
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'%s_01.m3u' % name[:min(len(name), 248)])
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else:
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number = int(occurance.group(1)) + 1
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if number > 3:
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LOG.warn('Detected spanning tree issue, abort sync for %s',
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playlist)
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raise PlaylistError('Spanning tree warning')
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basename = re.sub(REGEX_FILE_NUMBERING, '', path)
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path = '%s_%02d.m3u' % (basename, number)
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LOG.debug('Kodi playlist path: %s', path)
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playlist.kodi_path = path
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xml_playlist = pms.get_playlist(plex_id)
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if xml_playlist is None:
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LOG.error('Could not get Plex playlist %s', plex_id)
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raise PlaylistError('Could not get Plex playlist %s' % plex_id)
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IGNORE_KODI_PLAYLIST_CHANGE.append(playlist.kodi_path)
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try:
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_write_playlist_to_file(playlist, xml_playlist)
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except Exception:
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IGNORE_KODI_PLAYLIST_CHANGE.remove(playlist.kodi_path)
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raise
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playlist.kodi_hash = utils.generate_file_md5(path)
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db.update_playlist(playlist)
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LOG.debug('Created Kodi playlist based on Plex playlist: %s', playlist)
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def delete(playlist):
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"""
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Removes the corresponding Kodi file for playlist Playlist 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 PlaylistError
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"""
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if path_ops.exists(playlist.kodi_path):
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IGNORE_KODI_PLAYLIST_CHANGE.append(playlist.kodi_path)
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try:
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path_ops.remove(playlist.kodi_path)
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LOG.debug('Deleted Kodi playlist: %s', playlist)
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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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IGNORE_KODI_PLAYLIST_CHANGE.remove(playlist.kodi_path)
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raise PlaylistError('Could not delete %s' % playlist.kodi_path)
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db.update_playlist(playlist, delete=True)
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def _write_playlist_to_file(playlist, xml):
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"""
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Feed with playlist Playlist. Will write the playlist to a m3u file
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Returns None or raises PlaylistError
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"""
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text = '#EXTCPlayListM3U::M3U\n'
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for element in xml:
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api = API(element)
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if api.plex_type == v.PLEX_TYPE_EPISODE:
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if api.season_number() is not None and api.index() is not None:
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text += ('#EXTINF:%s,%s S%.2dE%.2d - %s\n%s\n'
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% (api.runtime(), api.show_title(),
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api.season_number(), api.index(),
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api.title(), api.path()))
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else:
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# Only append the TV show name
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text += ('#EXTINF:%s,%s - %s\n%s\n'
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% (api.runtime(), api.show_title(), api.title(), api.path()))
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else:
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text += ('#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(v.M3U_ENCODING, 'ignore')
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try:
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with open(path_ops.encode_path(playlist.kodi_path), 'wb') as f:
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f.write(text)
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except EnvironmentError 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 PlaylistError('Cannot write Kodi playlist to path for %s'
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% playlist)
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