PlexKodiConnect/resources/lib/sync.py

256 lines
11 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, unicode_literals
from logging import getLogger
import xbmc
from .downloadutils import DownloadUtils as DU
from . import library_sync, timing
from . import backgroundthread, utils, artwork, variables as v, app
from . import kodi_db
if library_sync.PLAYLIST_SYNC_ENABLED:
from . import playlists
LOG = getLogger('PLEX.sync')
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
self.metadata_thread = None
self.image_cache_thread = None
# Lock used to wait on a full sync, e.g. on initial sync
# self.lock = backgroundthread.threading.Lock()
super(Sync, self).__init__()
def triage_lib_scans(self):
"""
Decides what to do if app.SYNC.run_lib_scan has been set. E.g. manually
triggered full or repair syncs
"""
if app.SYNC.run_lib_scan in ("full", "repair"):
LOG.info('Full library scan requested, starting')
show_dialog = True if app.SYNC.run_lib_scan == 'repair' \
else None
self.start_library_sync(show_dialog=show_dialog,
repair=app.SYNC.run_lib_scan == 'repair',
block=True)
if (not self.sync_successful and
not self.should_suspend() and
not self.should_cancel()):
# ERROR in library sync
LOG.warn('Triggered full/repair sync has not been successful')
elif app.SYNC.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
if not self.start_additional_metadata(refresh=refresh):
# Fanart download already running
utils.dialog('notification',
heading='{plex}',
message=utils.lang(30015),
icon='{plex}',
sound=False)
elif app.SYNC.run_lib_scan == 'textures':
LOG.info("Caching of images requested")
if not utils.yesno_dialog("Image Texture Cache", utils.lang(39250)):
return
# ask to reset all existing or not
if utils.yesno_dialog('Image Texture Cache', utils.lang(39251)):
kodi_db.reset_cached_images()
self.start_image_cache_thread()
def on_library_scan_finished(self, successful):
"""
Hit this after the full sync has finished
"""
self.sync_successful = successful
self.last_full_sync = timing.unix_timestamp()
if not successful:
LOG.warn('Could not finish scheduled full sync')
app.APP.resume_metadata_thread()
app.APP.resume_caching_thread()
def start_library_sync(self, show_dialog=None, repair=False, block=False):
app.APP.suspend_metadata_thread(block=True)
app.APP.suspend_caching_thread(block=True)
show_dialog = show_dialog if show_dialog is not None else app.SYNC.sync_dialog
library_sync.start(show_dialog, repair, self.on_library_scan_finished)
def start_additional_metadata(self, refresh):
if not app.SYNC.artwork:
LOG.info('Not synching Plex PMS artwork, not getting artwork')
return False
elif self.metadata_thread is None or not self.metadata_thread.is_alive():
LOG.info('Start downloading additional metadata with refresh %s',
refresh)
self.metadata_thread = library_sync.MetadataThread(self.on_metadata_finished, refresh)
self.metadata_thread.start()
return True
else:
LOG.info('Still downloading metadata')
return False
@staticmethod
def on_metadata_finished(successful):
# FanartTV lookup completed
if successful:
# Toggled to "Yes"
utils.settings('plex_status_fanarttv_lookup', value=utils.lang(107))
def start_image_cache_thread(self):
if not utils.settings('enableTextureCache') == "true":
LOG.info('Image caching has been deactivated')
return
if not app.SYNC.artwork:
LOG.info('Not synching Plex artwork - not caching')
return
if self.image_cache_thread and self.image_cache_thread.is_alive():
self.image_cache_thread.cancel()
self.image_cache_thread.join()
self.image_cache_thread = artwork.ImageCachingThread()
self.image_cache_thread.start()
def run(self):
LOG.info("---===### Starting Sync Thread ###===---")
app.APP.register_thread(self)
try:
self._run_internal()
except Exception:
utils.ERROR(txt='sync.py crashed', notify=True)
raise
finally:
try:
app.APP.deregister_thread(self)
except ValueError:
pass
LOG.info("###===--- Sync Thread Stopped ---===###")
def _run_internal(self):
install_sync_done = utils.settings('SyncInstallRunDone') == 'true'
playlist_monitor = None
initial_sync_done = False
last_websocket_processing = 0
# Link to Websocket queue
queue = app.APP.websocket_queue
# 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)
# In order to not wait for this thread to suspend
app.APP.deregister_thread(self)
# 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
utils.init_dbs()
while not self.should_cancel():
# In the event the server goes offline
if self.should_suspend():
if self.wait_while_suspended():
return
if not install_sync_done:
# Very FIRST sync ever upon installation or reset of Kodi DB
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)
# Reload skin in order to ensure items showing up on Kodi
# Homescreen
xbmc.executebuiltin('ReloadSkin()')
if library_sync.PLAYLIST_SYNC_ENABLED:
playlist_monitor = playlists.kodi_playlist_monitor()
self.start_additional_metadata(refresh=False)
self.start_image_cache_thread()
else:
LOG.error('Initial start-up full sync unsuccessful')
self.sleep(1)
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
LOG.info('Doing initial sync on Kodi startup')
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:
playlist_monitor = playlists.kodi_playlist_monitor()
self.start_additional_metadata(refresh=False)
self.start_image_cache_thread()
else:
LOG.info('Startup sync has not yet been successful')
self.sleep(1)
# Currently no db scan, so we could start a new scan
else:
# Full scan was requested from somewhere else
if app.SYNC.run_lib_scan is not None:
self.triage_lib_scans()
# Reset the flag
app.SYNC.run_lib_scan = None
continue
# Standard syncs - don't force-show dialogs
now = timing.unix_timestamp()
if (now - self.last_full_sync > app.SYNC.full_sync_intervall and
not app.APP.is_playing_video):
LOG.info('Doing scheduled full library scan')
self.start_library_sync()
elif not app.SYNC.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
self.sleep(0.01)
continue
self.sleep(0.1)
# 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