PlexKodiConnect/resources/lib/sync.py
2018-11-01 15:43:27 +01:00

373 lines
16 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, unicode_literals
from logging import getLogger
from random import shuffle
import Queue
import xbmc
from . import library_sync
from .downloadutils import DownloadUtils as DU
from . import backgroundthread, utils, path_ops
from . import plex_db, kodidb_functions as kodidb
from . import artwork
from . import variables as v, state
LOG = getLogger('PLEX.sync')
def set_library_scan_toggle(boolean=True):
"""
Make sure to hit this function before starting large scans
"""
if not boolean:
# Deactivate
state.DB_SCAN = False
utils.window('plex_dbScan', clear=True)
else:
state.DB_SCAN = True
utils.window('plex_dbScan', value="true")
class Sync(backgroundthread.KillableThread):
"""
The one and only library sync thread. Spawn only 1!
"""
def __init__(self):
self.sync_successful = False
self.last_full_sync = 0
if utils.settings('FanartTV') == 'true':
self.fanartqueue = Queue.Queue()
self.fanartthread = library_sync.fanart.ThreadedProcessFanart(self.fanartqueue)
else:
self.fanartqueue = None
self.fanartthread = None
# How long should we wait at least to process new/changed PMS items?
# Show sync dialog even if user deactivated?
self.force_dialog = False
# Lock used to wait on a full sync, e.g. on initial sync
self.lock = backgroundthread.threading.Lock()
super(Sync, self).__init__()
def isCanceled(self):
return xbmc.abortRequested or state.STOP_PKC
def isSuspended(self):
return state.SUSPEND_LIBRARY_THREAD or state.STOP_SYNC
def suspend_item_sync(self):
"""
Returns True if we should not sync new items or artwork to Kodi or even
abort a sync currently running.
Returns False otherwise.
"""
if self.isSuspended() or self.isCanceled():
return True
elif state.SUSPEND_SYNC:
return True
return False
def show_kodi_note(self, message, icon="plex"):
"""
Shows a Kodi popup, if user selected to do so. Pass message in unicode
or string
icon: "plex": shows Plex icon
"error": shows Kodi error icon
"""
if state.SYNC_DIALOG is not True and self.force_dialog is not True:
return
if icon == "plex":
utils.dialog('notification',
heading='{plex}',
message=message,
icon='{plex}',
sound=False)
elif icon == "error":
utils.dialog('notification',
heading='{plex}',
message=message,
icon='{error}')
def sync_fanart(self, missing_only=True, refresh=False):
"""
Throw items to the fanart queue in order to download missing (or all)
additional fanart.
missing_only=True False will start look-up for EVERY item
refresh=False True will force refresh all external fanart
"""
if utils.settings('FanartTV') == 'false':
return
with plexdb.Get_Plex_DB() as plex_db:
if missing_only:
with plexdb.Get_Plex_DB() as plex_db:
items = plex_db.get_missing_fanart()
LOG.info('Trying to get %s additional fanart', len(items))
else:
items = []
for plex_type in (v.PLEX_TYPE_MOVIE, v.PLEX_TYPE_SHOW):
items.extend(plex_db.itemsByType(plex_type))
LOG.info('Trying to get ALL additional fanart for %s items',
len(items))
if not items:
return
# Shuffle the list to not always start out identically
shuffle(items)
# Checking FanartTV for %s items
self.fanartqueue.put(artwork.ArtworkSyncMessage(
utils.lang(30018) % len(items)))
for item in items:
self.fanartqueue.put({
'plex_id': item['plex_id'],
'plex_type': item['plex_type'],
'refresh': refresh
})
# FanartTV lookup completed
self.fanartqueue.put(artwork.ArtworkSyncMessage(utils.lang(30019)))
def triage_lib_scans(self):
"""
Decides what to do if state.RUN_LIB_SCAN has been set. E.g. manually
triggered full or repair syncs
"""
if state.RUN_LIB_SCAN in ("full", "repair"):
set_library_scan_toggle()
LOG.info('Full library scan requested, starting')
self.start_library_sync(show_dialog=True,
repair=state.RUN_LIB_SCAN == 'repair',
block=True)
if self.sync_successful:
# Full library sync finished
self.show_kodi_note(utils.lang(39407))
elif not self.suspend_item_sync():
self.force_dialog = True
# ERROR in library sync
self.show_kodi_note(utils.lang(39410), icon='error')
self.force_dialog = False
elif state.RUN_LIB_SCAN == 'fanart':
# Only look for missing fanart (No)
# or refresh all fanart (Yes)
from .windows import optionsdialog
refresh = optionsdialog.show(utils.lang(29999),
utils.lang(39223),
utils.lang(39224), # refresh all
utils.lang(39225)) == 0
self.sync_fanart(missing_only=not refresh, refresh=refresh)
elif state.RUN_LIB_SCAN == 'textures':
artwork.Artwork().fullTextureCacheSync()
else:
raise NotImplementedError('Library scan not defined: %s'
% state.RUN_LIB_SCAN)
def onLibrary_scan_finished(self, successful):
"""
Hit this after the full sync has finished
"""
self.sync_successful = successful
self.last_full_sync = utils.unix_timestamp()
set_library_scan_toggle(boolean=False)
try:
self.lock.release()
except backgroundthread.threading.ThreadError:
pass
def start_library_sync(self, show_dialog=None, repair=False, block=False):
show_dialog = show_dialog if show_dialog is not None else state.SYNC_DIALOG
if block:
self.lock.acquire()
library_sync.start(show_dialog, repair, self.onLibrary_scan_finished)
# Will block until scan is finished
self.lock.acquire()
self.lock.release()
else:
library_sync.start(show_dialog, repair, self.onLibrary_scan_finished)
def run(self):
try:
self._run_internal()
except:
state.DB_SCAN = False
utils.window('plex_dbScan', clear=True)
utils.ERROR(txt='Sync.py crashed', notify=True)
raise
def _run_internal(self):
LOG.info("---===### Starting Sync ###===---")
self.force_dialog = False
install_sync_done = utils.settings('SyncInstallRunDone') == 'true'
playlist_monitor = None
initial_sync_done = False
last_websocket_processing = 0
last_time_sync = 0
one_day_in_seconds = 60 * 60 * 24
# Link to Websocket queue
queue = state.WEBSOCKET_QUEUE
# Kodi Version supported by PKC?
if (not path_ops.exists(v.DB_VIDEO_PATH) or
not path_ops.exists(v.DB_TEXTURE_PATH) or
(state.ENABLE_MUSIC and not path_ops.exists(v.DB_MUSIC_PATH))):
# Database does not exists
LOG.error('The current Kodi version is incompatible')
LOG.error('Current Kodi version: %s', utils.try_decode(
xbmc.getInfoLabel('System.BuildVersion')))
# "Current Kodi version is unsupported, cancel lib sync"
utils.messageDialog(utils.lang(29999), utils.lang(39403))
return
# Check whether we need to reset the Kodi DB
if install_sync_done:
current_version = utils.settings('dbCreatedWithVersion')
if not utils.compare_version(current_version,
v.MIN_DB_VERSION):
LOG.warn("Db version out of date: %s minimum version "
"required: %s", current_version, v.MIN_DB_VERSION)
# DB out of date. Proceed to recreate?
if not utils.yesno_dialog(utils.lang(29999),
utils.lang(39401)):
LOG.warn("Db version out of date! USER IGNORED!")
# PKC may not work correctly until reset
utils.messageDialog(utils.lang(29999),
'%s%s' % (utils.lang(29999),
utils.lang(39402)))
else:
utils.reset(ask_user=False)
return
# Ensure that Plex DB is set-up
plex_db.initialize()
# Hack to speed up look-ups for actors (giant table!)
utils.create_actor_db_index()
# Run start up sync
LOG.info("Db version: %s", utils.settings('dbCreatedWithVersion'))
LOG.info('Refreshing video nodes and playlists now')
with kodidb.GetKodiDB('video') as kodi_db:
# Setup the paths for addon-paths (even when using direct paths)
kodi_db.setup_path_table()
while not self.isCanceled():
# In the event the server goes offline
while self.isSuspended():
if self.isCanceled():
# Abort was requested while waiting. We should exit
LOG.info("###===--- Sync Stopped ---===###")
return
xbmc.sleep(1000)
if not install_sync_done:
# Very FIRST sync ever upon installation or reset of Kodi DB
self.force_dialog = True
set_library_scan_toggle()
# Initialize time offset Kodi - PMS
library_sync.sync_pms_time()
last_time_sync = utils.unix_timestamp()
LOG.info('Initial start-up full sync starting')
xbmc.executebuiltin('InhibitIdleShutdown(true)')
# This call will block until scan is completed
self.start_library_sync(show_dialog=True, block=True)
if self.sync_successful:
LOG.info('Initial start-up full sync successful')
utils.settings('SyncInstallRunDone', value='true')
install_sync_done = True
initial_sync_done = True
utils.settings('dbCreatedWithVersion', v.ADDON_VERSION)
self.force_dialog = False
if library_sync.PLAYLIST_SYNC_ENABLED:
from . import playlists
playlist_monitor = playlists.kodi_playlist_monitor()
self.sync_fanart()
self.fanartthread.start()
else:
LOG.error('Initial start-up full sync unsuccessful')
self.force_dialog = False
xbmc.executebuiltin('InhibitIdleShutdown(false)')
elif not initial_sync_done:
# First sync upon PKC restart. Skipped if very first sync upon
# PKC installation has been completed
set_library_scan_toggle()
LOG.info('Doing initial sync on Kodi startup')
if state.SUSPEND_SYNC:
LOG.warning('Forcing startup sync even if Kodi is playing')
state.SUSPEND_SYNC = False
self.start_library_sync(block=True)
if self.sync_successful:
initial_sync_done = True
LOG.info('Done initial sync on Kodi startup')
if library_sync.PLAYLIST_SYNC_ENABLED:
from . import playlists
playlist_monitor = playlists.kodi_playlist_monitor()
artwork.Artwork().cache_major_artwork()
self.sync_fanart()
self.fanartthread.start()
else:
LOG.info('Startup sync has not yet been successful')
# Currently no db scan, so we could start a new scan
elif state.DB_SCAN is False:
# Full scan was requested from somewhere else, e.g. userclient
if state.RUN_LIB_SCAN is not None:
# Force-show dialogs since they are user-initiated
self.force_dialog = True
self.triage_lib_scans()
self.force_dialog = False
# Reset the flag
state.RUN_LIB_SCAN = None
continue
# Standard syncs - don't force-show dialogs
now = utils.unix_timestamp()
self.force_dialog = False
if (now - self.last_full_sync > state.FULL_SYNC_INTERVALL):
LOG.info('Doing scheduled full library scan')
set_library_scan_toggle()
success = self.maintain_views()
if success:
success = library_sync.start()
if not success and not self.suspend_item_sync():
LOG.error('Could not finish scheduled full sync')
self.force_dialog = True
self.show_kodi_note(utils.lang(39410),
icon='error')
self.force_dialog = False
elif success:
self.last_full_sync = now
# Full library sync finished successfully
self.show_kodi_note(utils.lang(39407))
else:
LOG.info('Full sync interrupted')
elif now - last_time_sync > one_day_in_seconds:
LOG.info('Starting daily time sync')
library_sync.sync_pms_time()
last_time_sync = now
elif not state.BACKGROUND_SYNC_DISABLED:
# Check back whether we should process something Only do
# this once a while (otherwise, potentially many screen
# refreshes lead to flickering)
if (library_sync.WEBSOCKET_MESSAGES and
now - last_websocket_processing > 5):
last_websocket_processing = now
library_sync.process_websocket_messages()
# See if there is a PMS message we need to handle
try:
message = queue.get(block=False)
except backgroundthread.Queue.Empty:
pass
# Got a message from PMS; process it
else:
library_sync.store_websocket_message(message)
queue.task_done()
# Sleep just a bit
xbmc.sleep(10)
continue
xbmc.sleep(100)
# Shut down playlist monitoring
if playlist_monitor:
playlist_monitor.stop()
# doUtils could still have a session open due to interrupted sync
try:
DU().stopSession()
except AttributeError:
pass
LOG.info("###===--- Sync Stopped ---===###")