384 lines
16 KiB
Python
384 lines
16 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from __future__ import absolute_import, division, unicode_literals
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from logging import getLogger
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from .common import update_kodi_library, PLAYLIST_SYNC_ENABLED
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from .fanart import SYNC_FANART, FanartTask
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from ..plex_api import API
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from ..plex_db import PlexDB
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from .. import kodi_db
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from .. import backgroundthread, plex_functions as PF, itemtypes
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from .. import artwork, utils, timing, variables as v, app
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if PLAYLIST_SYNC_ENABLED:
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from .. import playlists
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LOG = getLogger('PLEX.sync.websocket')
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CACHING_ENALBED = utils.settings('enableTextureCache') == "true"
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WEBSOCKET_MESSAGES = []
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# Dict to save info for Plex items currently being played somewhere
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PLAYSTATE_SESSIONS = {}
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def interrupt_processing():
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return app.APP.stop_pkc or app.APP.suspend_threads or app.SYNC.stop_sync
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def multi_delete(input_list, delete_list):
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"""
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Deletes the list items of input_list at the positions in delete_list
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(which can be in any arbitrary order)
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"""
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for index in sorted(delete_list, reverse=True):
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del input_list[index]
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return input_list
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def store_websocket_message(message):
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"""
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processes json.loads() messages from websocket. Triage what we need to
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do with "process_" methods
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"""
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if message['type'] == 'playing':
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process_playing(message['PlaySessionStateNotification'])
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elif message['type'] == 'timeline':
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store_timeline_message(message['TimelineEntry'])
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elif message['type'] == 'activity':
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store_activity_message(message['ActivityNotification'])
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def process_websocket_messages():
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"""
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Periodically called to process new/updated PMS items
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PMS needs a while to download info from internet AFTER it
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showed up under 'timeline' websocket messages
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data['type']:
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1: movie
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2: tv show??
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3: season??
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4: episode
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8: artist (band)
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9: album
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10: track (song)
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12: trailer, extras?
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data['state']:
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0: 'created',
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2: 'matching',
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3: 'downloading',
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4: 'loading',
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5: 'finished',
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6: 'analyzing',
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9: 'deleted'
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"""
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global WEBSOCKET_MESSAGES
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now = timing.unix_timestamp()
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update_kodi_video_library, update_kodi_music_library = False, False
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delete_list = []
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for i, message in enumerate(WEBSOCKET_MESSAGES):
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if interrupt_processing():
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# Chances are that Kodi gets shut down
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break
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if message['state'] == 9:
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successful, video, music = process_delete_message(message)
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elif now - message['timestamp'] < app.SYNC.backgroundsync_saftymargin:
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# We haven't waited long enough for the PMS to finish processing the
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# item. Do it later (excepting deletions)
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continue
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else:
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successful, video, music = process_new_item_message(message)
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if (successful and SYNC_FANART and
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message['plex_type'] in (v.PLEX_TYPE_MOVIE, v.PLEX_TYPE_SHOW)):
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task = FanartTask()
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task.setup(message['plex_id'],
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message['plex_type'],
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refresh=False)
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backgroundthread.BGThreader.addTask(task)
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if successful is True:
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delete_list.append(i)
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update_kodi_video_library = True if video else update_kodi_video_library
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update_kodi_music_library = True if music else update_kodi_music_library
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else:
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# Safety net if we can't process an item
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message['attempt'] += 1
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if message['attempt'] > 3:
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LOG.error('Repeatedly could not process message %s, abort',
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message)
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delete_list.append(i)
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# Get rid of the items we just processed
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if delete_list:
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WEBSOCKET_MESSAGES = multi_delete(WEBSOCKET_MESSAGES, delete_list)
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# Let Kodi know of the change
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if update_kodi_video_library or update_kodi_music_library:
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update_kodi_library(video=update_kodi_video_library,
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music=update_kodi_music_library)
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def process_new_item_message(message):
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LOG.debug('Message: %s', message)
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xml = PF.GetPlexMetadata(message['plex_id'])
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try:
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plex_type = xml[0].attrib['type']
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except (IndexError, KeyError, TypeError):
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LOG.error('Could not download metadata for %s', message['plex_id'])
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return False, False, False
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LOG.debug("Processing new/updated PMS item: %s", message['plex_id'])
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with itemtypes.ITEMTYPE_FROM_PLEXTYPE[plex_type](timing.unix_timestamp()) as typus:
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typus.add_update(xml[0],
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section_name=xml.get('librarySectionTitle'),
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section_id=xml.get('librarySectionID'))
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cache_artwork(message['plex_id'], plex_type)
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return True, plex_type in v.PLEX_VIDEOTYPES, plex_type in v.PLEX_AUDIOTYPES
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def process_delete_message(message):
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plex_type = message['plex_type']
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with itemtypes.ITEMTYPE_FROM_PLEXTYPE[plex_type](None) as typus:
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typus.remove(message['plex_id'], plex_type=plex_type)
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return True, plex_type in v.PLEX_VIDEOTYPES, plex_type in v.PLEX_AUDIOTYPES
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def store_timeline_message(data):
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"""
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PMS is messing with the library items, e.g. new or changed. Put in our
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"processing queue" for later
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"""
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global WEBSOCKET_MESSAGES
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for message in data:
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if 'tv.plex' in message.get('identifier', ''):
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# Ommit Plex DVR messages - the Plex IDs are not corresponding
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# (DVR ratingKeys are not unique and might correspond to a
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# movie or episode)
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continue
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try:
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typus = v.PLEX_TYPE_FROM_WEBSOCKET[int(message['type'])]
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except KeyError:
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# E.g. -1 - thanks Plex!
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LOG.info('Ignoring invalid message %s', data)
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continue
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if typus in (v.PLEX_TYPE_CLIP, v.PLEX_TYPE_SET):
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# No need to process extras or trailers
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continue
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status = int(message['state'])
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if typus == 'playlist' and PLAYLIST_SYNC_ENABLED:
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playlists.websocket(plex_id=unicode(message['itemID']),
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status=status)
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elif status == 9:
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# Immediately and always process deletions (as the PMS will
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# send additional message with other codes)
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WEBSOCKET_MESSAGES.append({
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'state': status,
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'plex_type': typus,
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'plex_id': utils.cast(int, message['itemID']),
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'timestamp': timing.unix_timestamp(),
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'attempt': 0
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})
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elif typus in (v.PLEX_TYPE_MOVIE,
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v.PLEX_TYPE_EPISODE,
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v.PLEX_TYPE_SONG) and status == 5:
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plex_id = int(message['itemID'])
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# Have we already added this element for processing?
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for existing_message in WEBSOCKET_MESSAGES:
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if existing_message['plex_id'] == plex_id:
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break
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else:
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# Haven't added this element to the queue yet
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WEBSOCKET_MESSAGES.append({
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'state': status,
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'plex_type': typus,
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'plex_id': plex_id,
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'timestamp': timing.unix_timestamp(),
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'attempt': 0
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})
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def store_activity_message(data):
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"""
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PMS is re-scanning an item, e.g. after having changed a movie poster.
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WATCH OUT for this if it's triggered by our PKC library scan!
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"""
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global WEBSOCKET_MESSAGES
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for message in data:
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if message['event'] != 'ended':
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# Scan still going on, so skip for now
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continue
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elif message['Activity'].get('Context') is None:
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# Not related to any Plex element, but entire library
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continue
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elif message['Activity']['type'] != 'library.refresh.items':
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# Not the type of message relevant for us
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continue
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plex_id = PF.GetPlexKeyNumber(message['Activity']['Context']['key'])[1]
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if not plex_id:
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# Likely a Plex id like /library/metadata/3/children
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continue
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# We're only looking at existing elements - have we synced yet?
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with PlexDB(lock=False) as plexdb:
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typus = plexdb.item_by_id(plex_id, plex_type=None)
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if not typus:
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LOG.debug('plex_id %s not synced yet - skipping', plex_id)
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continue
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# Have we already added this element?
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for existing_message in WEBSOCKET_MESSAGES:
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if existing_message['plex_id'] == plex_id:
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break
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else:
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# Haven't added this element to the queue yet
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WEBSOCKET_MESSAGES.append({
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'state': None, # Don't need a state here
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'plex_type': typus['plex_type'],
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'plex_id': plex_id,
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'timestamp': timing.unix_timestamp(),
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'attempt': 0
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})
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def process_playing(data):
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"""
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Someone (not necessarily the user signed in) is playing something some-
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where
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"""
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global PLAYSTATE_SESSIONS
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for message in data:
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status = message['state']
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if status == 'buffering' or status == 'stopped':
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# Drop buffering and stop messages immediately - no value
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continue
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plex_id = utils.cast(int, message['ratingKey'])
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skip = False
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for pid in (0, 1, 2):
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if plex_id == app.PLAYSTATE.player_states[pid]['plex_id']:
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# Kodi is playing this message - no need to set the playstate
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skip = True
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if skip:
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continue
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if 'sessionKey' not in message:
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LOG.warn('Received malformed message from the PMS: %s', message)
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continue
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session_key = message['sessionKey']
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# Do we already have a sessionKey stored?
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if session_key not in PLAYSTATE_SESSIONS:
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with PlexDB(lock=False) as plexdb:
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typus = plexdb.item_by_id(plex_id, plex_type=None)
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if not typus:
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# Item not (yet) in Kodi library
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continue
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if utils.settings('plex_serverowned') == 'false':
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# Not our PMS, we are not authorized to get the sessions
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# On the bright side, it must be us playing :-)
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PLAYSTATE_SESSIONS[session_key] = {}
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else:
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# PMS is ours - get all current sessions
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pms_sessions = PF.GetPMSStatus(app.ACCOUNT.plex_token)
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if session_key not in pms_sessions:
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LOG.info('Session key %s still unknown! Skip '
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'playstate update', session_key)
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continue
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PLAYSTATE_SESSIONS[session_key] = pms_sessions[session_key]
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LOG.debug('Updated current sessions. They are: %s',
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PLAYSTATE_SESSIONS)
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# Attach Kodi info to the session
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try:
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PLAYSTATE_SESSIONS[session_key]['kodi_fileid'] = typus['kodi_fileid']
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except KeyError:
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# media type without file - no need to do anything
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continue
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if typus['plex_type'] == v.PLEX_TYPE_EPISODE:
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PLAYSTATE_SESSIONS[session_key]['kodi_fileid_2'] = typus['kodi_fileid_2']
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else:
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PLAYSTATE_SESSIONS[session_key]['kodi_fileid_2'] = None
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PLAYSTATE_SESSIONS[session_key]['kodi_id'] = typus['kodi_id']
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PLAYSTATE_SESSIONS[session_key]['kodi_type'] = typus['kodi_type']
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session = PLAYSTATE_SESSIONS[session_key]
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if utils.settings('plex_serverowned') != 'false':
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# Identify the user - same one as signed on with PKC? Skip
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# update if neither session's username nor userid match
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# (Owner sometime's returns id '1', not always)
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if not app.ACCOUNT.plex_token and session['userId'] == '1':
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# PKC not signed in to plex.tv. Plus owner of PMS is
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# playing (the '1').
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# Hence must be us (since several users require plex.tv
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# token for PKC)
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pass
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elif not (session['userId'] == app.ACCOUNT.plex_user_id or
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session['username'] == app.ACCOUNT.plex_username):
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LOG.debug('Our username %s, userid %s did not match '
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'the session username %s with userid %s',
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app.ACCOUNT.plex_username,
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app.ACCOUNT.plex_user_id,
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session['username'],
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session['userId'])
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continue
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# Get an up-to-date XML from the PMS because PMS will NOT directly
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# tell us: duration of item viewCount
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if not session.get('duration'):
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xml = PF.GetPlexMetadata(plex_id)
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if xml in (None, 401):
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LOG.error('Could not get up-to-date xml for item %s',
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plex_id)
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continue
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api = API(xml[0])
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userdata = api.userdata()
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session['duration'] = userdata['Runtime']
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session['viewCount'] = userdata['PlayCount']
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# Sometimes, Plex tells us resume points in milliseconds and
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# not in seconds - thank you very much!
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if message['viewOffset'] > session['duration']:
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resume = message['viewOffset'] / 1000
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else:
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resume = message['viewOffset']
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if resume < v.IGNORE_SECONDS_AT_START:
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continue
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try:
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completed = float(resume) / float(session['duration'])
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except (ZeroDivisionError, TypeError):
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LOG.error('Could not mark playstate for %s and session %s',
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data, session)
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continue
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if completed >= v.MARK_PLAYED_AT:
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# Only mark completely watched ONCE
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if session.get('marked_played') is None:
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session['marked_played'] = True
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mark_played = True
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else:
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# Don't mark it as completely watched again
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continue
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else:
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mark_played = False
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LOG.debug('Update playstate for user %s for %s with plex id %s to '
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'viewCount %s, resume %s, mark_played %s for item %s',
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app.ACCOUNT.plex_username, session['kodi_type'], plex_id,
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session['viewCount'], resume, mark_played, PLAYSTATE_SESSIONS[session_key])
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func = itemtypes.ITEMTYPE_FROM_KODITYPE[session['kodi_type']]
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with func(None) as fkt:
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fkt.update_playstate(mark_played,
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session['viewCount'],
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resume,
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session['duration'],
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session['kodi_fileid'],
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session['kodi_fileid_2'],
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timing.unix_timestamp())
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def cache_artwork(plex_id, plex_type, kodi_id=None, kodi_type=None):
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"""
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Triggers caching of artwork (if so enabled in the PKC settings)
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"""
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if not CACHING_ENALBED:
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return
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if not kodi_id:
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with PlexDB(lock=False) as plexdb:
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item = plexdb.item_by_id(plex_id, plex_type)
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if not item:
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LOG.error('Could not retrieve Plex db info for %s', plex_id)
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return
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kodi_id, kodi_type = item['kodi_id'], item['kodi_type']
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with kodi_db.KODIDB_FROM_PLEXTYPE[plex_type]() as kodidb:
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for url in kodidb.art_urls(kodi_id, kodi_type):
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artwork.cache_url(url)
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