PlexKodiConnect/resources/lib/library_sync/additional_metadata.py

112 lines
3.7 KiB
Python

# -*- coding: utf-8 -*-
from logging import getLogger
from . import additional_metadata_tmdb
from ..plex_db import PlexDB
from .. import backgroundthread, utils
from .. import variables as v, app
from ..exceptions import ProcessingNotDone
logger = getLogger('PLEX.sync.metadata')
BATCH_SIZE = 500
SUPPORTED_METADATA = {
v.PLEX_TYPE_MOVIE: (
('missing_trailers', additional_metadata_tmdb.process_trailers),
('missing_fanart', additional_metadata_tmdb.process_fanart),
),
v.PLEX_TYPE_SHOW: (
('missing_fanart', additional_metadata_tmdb.process_fanart),
),
}
def processing_is_activated(item_getter):
"""Checks the PKC settings whether processing is even activated."""
if item_getter == 'missing_fanart':
return utils.settings('FanartTV') == 'true'
return True
class MetadataThread(backgroundthread.KillableThread):
"""This will potentially take hours!"""
def __init__(self, callback, refresh=False):
self.callback = callback
self.refresh = refresh
super(MetadataThread, self).__init__()
def should_suspend(self):
return self._suspended or app.APP.is_playing_video
def _process_in_batches(self, item_getter, processor, plex_type):
offset = 0
while True:
with PlexDB() as plexdb:
# Keep DB connection open only for a short period of time!
if self.refresh:
# Simply grab every single item if we want to refresh
func = plexdb.every_plex_id
else:
func = getattr(plexdb, item_getter)
batch = list(func(plex_type, offset, BATCH_SIZE))
for plex_id in batch:
# Do the actual, time-consuming processing
if self.should_suspend() or self.should_cancel():
raise ProcessingNotDone()
processor(plex_id, plex_type, self.refresh)
if len(batch) < BATCH_SIZE:
break
offset += BATCH_SIZE
def _loop(self):
for plex_type in SUPPORTED_METADATA:
for item_getter, processor in SUPPORTED_METADATA[plex_type]:
if not processing_is_activated(item_getter):
continue
self._process_in_batches(item_getter, processor, plex_type)
def _run(self):
finished = False
while not finished:
try:
self._loop()
except ProcessingNotDone:
finished = False
else:
finished = True
if self.wait_while_suspended():
break
logger.info('MetadataThread finished completely: %s', finished)
self.callback(finished)
def run(self):
logger.info('Starting MetadataThread')
app.APP.register_metadata_thread(self)
try:
self._run()
except Exception:
utils.ERROR(notify=True)
finally:
app.APP.deregister_metadata_thread(self)
class ProcessMetadataTask(backgroundthread.Task):
"""This task will also be executed while library sync is suspended!"""
def setup(self, plex_id, plex_type, refresh=False):
self.plex_id = plex_id
self.plex_type = plex_type
self.refresh = refresh
def run(self):
if self.plex_type not in SUPPORTED_METADATA:
return
for item_getter, processor in SUPPORTED_METADATA[self.plex_type]:
if self.should_cancel():
# Just don't process this item at all. Next full sync will
# take care of it
return
if not processing_is_activated(item_getter):
continue
processor(self.plex_id, self.plex_type, self.refresh)