326 lines
14 KiB
Python
326 lines
14 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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import Queue
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import xbmcgui
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from .get_metadata import GetMetadataThread
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from .fill_metadata_queue import FillMetadataQueue
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from .process_metadata import ProcessMetadataThread
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from . import common, sections
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from .. import utils, timing, backgroundthread as bg, variables as v, app
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from .. import plex_functions as PF, itemtypes, path_ops
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if common.PLAYLIST_SYNC_ENABLED:
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from .. import playlists
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LOG = getLogger('PLEX.sync.full_sync')
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DELETION_BATCH_SIZE = 250
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PLAYSTATE_BATCH_SIZE = 5000
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# Max. number of plex_ids held in memory for later processing
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BACKLOG_QUEUE_SIZE = 10000
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# Max number of xmls held in memory
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XML_QUEUE_SIZE = 500
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# Safety margin to filter PMS items - how many seconds to look into the past?
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UPDATED_AT_SAFETY = 60 * 5
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LAST_VIEWED_AT_SAFETY = 60 * 5
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class FullSync(common.LibrarySyncMixin, bg.KillableThread):
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def __init__(self, repair, callback, show_dialog):
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"""
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repair=True: force sync EVERY item
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"""
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self.successful = True
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self.repair = repair
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self.callback = callback
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# For progress dialog
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self.show_dialog = show_dialog
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self.show_dialog_userdata = utils.settings('playstate_sync_indicator') == 'true'
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if self.show_dialog:
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self.dialog = xbmcgui.DialogProgressBG()
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self.dialog.create(utils.lang(39714))
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else:
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self.dialog = None
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self.current_time = timing.plex_now()
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self.last_section = sections.Section()
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self.install_sync_done = utils.settings('SyncInstallRunDone') == 'true'
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super(FullSync, self).__init__()
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def update_progressbar(self, section, title, current):
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if not self.dialog:
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return
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current += 1
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try:
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progress = int(float(current) / float(section.number_of_items) * 100.0)
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except ZeroDivisionError:
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progress = 0
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self.dialog.update(progress,
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'%s (%s)' % (section.name, section.section_type_text),
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'%s %s/%s'
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% (title, current, section.number_of_items))
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if app.APP.is_playing_video:
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self.dialog.close()
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self.dialog = None
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@staticmethod
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def copy_plex_db():
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"""
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Takes the current plex.db file and copies it to plex-copy.db
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This will allow us to have "concurrent" connections during adding/
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updating items, increasing sync speed tremendously.
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Using the same DB with e.g. WAL mode did not really work out...
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"""
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path_ops.copyfile(v.DB_PLEX_PATH, v.DB_PLEX_COPY_PATH)
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@utils.log_time
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def process_new_and_changed_items(self, section_queue, processing_queue):
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LOG.debug('Start working')
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get_metadata_queue = Queue.Queue(maxsize=BACKLOG_QUEUE_SIZE)
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scanner_thread = FillMetadataQueue(self.repair,
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section_queue,
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get_metadata_queue,
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processing_queue)
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scanner_thread.start()
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metadata_threads = [
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GetMetadataThread(get_metadata_queue, processing_queue)
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for _ in range(int(utils.settings('syncThreadNumber')))
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]
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for t in metadata_threads:
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t.start()
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process_thread = ProcessMetadataThread(self.current_time,
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processing_queue,
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self.update_progressbar)
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process_thread.start()
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LOG.debug('Waiting for scanner thread to finish up')
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scanner_thread.join()
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LOG.debug('Waiting for metadata download threads to finish up')
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for t in metadata_threads:
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t.join()
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LOG.debug('Download metadata threads finished')
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process_thread.join()
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self.successful = process_thread.successful
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LOG.debug('threads finished work. successful: %s', self.successful)
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@utils.log_time
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def processing_loop_playstates(self, section_queue):
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while not self.should_cancel():
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section = section_queue.get()
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section_queue.task_done()
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if section is None:
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break
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self.playstate_per_section(section)
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def playstate_per_section(self, section):
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LOG.debug('Processing %s playstates for library section %s',
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section.number_of_items, section)
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try:
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with section.context(self.current_time) as context:
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for xml in section.iterator:
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section.count += 1
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if not context.update_userdata(xml, section.plex_type):
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# Somehow did not sync this item yet
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context.add_update(xml,
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section_name=section.name,
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section_id=section.section_id)
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context.plexdb.update_last_sync(int(xml.attrib['ratingKey']),
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section.plex_type,
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self.current_time)
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self.update_progressbar(section, '', section.count - 1)
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if section.count % PLAYSTATE_BATCH_SIZE == 0:
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context.commit()
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except RuntimeError:
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LOG.error('Could not entirely process section %s', section)
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self.successful = False
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def threaded_get_generators(self, kinds, section_queue, items):
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"""
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Getting iterators is costly, so let's do it in a dedicated thread
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"""
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LOG.debug('Start threaded_get_generators')
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try:
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for kind in kinds:
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for section in (x for x in app.SYNC.sections
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if x.section_type == kind[1]):
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if self.should_cancel():
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LOG.debug('Need to exit now')
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return
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if not section.sync_to_kodi:
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LOG.info('User chose to not sync section %s', section)
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continue
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section = sections.get_sync_section(section,
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plex_type=kind[0])
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timestamp = section.last_sync - UPDATED_AT_SAFETY \
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if section.last_sync else None
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if items == 'all':
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updated_at = None
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last_viewed_at = None
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elif items == 'watched':
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if not timestamp:
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# No need to sync playstate updates since section
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# has not yet been synched
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continue
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else:
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updated_at = None
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last_viewed_at = timestamp
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elif items == 'updated':
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updated_at = timestamp
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last_viewed_at = None
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try:
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section.iterator = PF.get_section_iterator(
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section.section_id,
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plex_type=section.plex_type,
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updated_at=updated_at,
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last_viewed_at=last_viewed_at)
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except RuntimeError:
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LOG.error('Sync at least partially unsuccessful!')
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LOG.error('Error getting section iterator %s', section)
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else:
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section.number_of_items = section.iterator.total
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if section.number_of_items > 0:
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section_queue.put(section)
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LOG.debug('Put section in queue with %s items: %s',
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section.number_of_items, section)
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except Exception:
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utils.ERROR(notify=True)
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finally:
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# Sentinel for the section queue
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section_queue.put(None)
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LOG.debug('Exiting threaded_get_generators')
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def full_library_sync(self):
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section_queue = Queue.Queue()
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processing_queue = bg.ProcessingQueue(maxsize=XML_QUEUE_SIZE)
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kinds = [
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(v.PLEX_TYPE_MOVIE, v.PLEX_TYPE_MOVIE),
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(v.PLEX_TYPE_SHOW, v.PLEX_TYPE_SHOW),
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(v.PLEX_TYPE_SEASON, v.PLEX_TYPE_SHOW),
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(v.PLEX_TYPE_EPISODE, v.PLEX_TYPE_SHOW)
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]
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if app.SYNC.enable_music:
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kinds.extend([
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(v.PLEX_TYPE_ARTIST, v.PLEX_TYPE_ARTIST),
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(v.PLEX_TYPE_ALBUM, v.PLEX_TYPE_ARTIST),
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])
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# ADD NEW ITEMS
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# We need to enforce syncing e.g. show before season before episode
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bg.FunctionAsTask(self.threaded_get_generators,
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None,
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kinds,
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section_queue,
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items='all' if self.repair else 'updated').start()
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# Do the heavy lifting
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self.process_new_and_changed_items(section_queue, processing_queue)
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common.update_kodi_library(video=True, music=True)
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if self.should_cancel() or not self.successful:
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return
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# In order to not delete all your songs again for playstate synch
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if app.SYNC.enable_music:
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kinds.extend([
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(v.PLEX_TYPE_SONG, v.PLEX_TYPE_ARTIST),
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])
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# Update playstate progress since last sync - especially useful for
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# users of very large libraries since this step is very fast
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# These playstates will be synched twice
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LOG.debug('Start synching playstate for last watched items')
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bg.FunctionAsTask(self.threaded_get_generators,
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None,
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kinds,
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section_queue,
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items='watched').start()
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self.processing_loop_playstates(section_queue)
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if self.should_cancel() or not self.successful:
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return
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# Sync Plex playlists to Kodi and vice-versa
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if common.PLAYLIST_SYNC_ENABLED:
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LOG.debug('Start playlist sync')
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if self.show_dialog:
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if self.dialog:
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self.dialog.close()
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self.dialog = xbmcgui.DialogProgressBG()
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# "Synching playlists"
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self.dialog.create(utils.lang(39715))
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if not playlists.full_sync() or self.should_cancel():
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return
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# SYNC PLAYSTATE of ALL items (otherwise we won't pick up on items that
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# were set to unwatched or changed user ratings). Also mark all items on
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# the PMS to be able to delete the ones still in Kodi
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LOG.debug('Start synching playstate and userdata for every item')
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# Make sure we're not showing an item's title in the sync dialog
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if not self.show_dialog_userdata and self.dialog:
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# Close the progress indicator dialog
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self.dialog.close()
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self.dialog = None
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bg.FunctionAsTask(self.threaded_get_generators,
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None,
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kinds,
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section_queue,
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items='all').start()
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self.processing_loop_playstates(section_queue)
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if self.should_cancel() or not self.successful:
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return
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# Delete movies that are not on Plex anymore
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LOG.debug('Looking for items to delete')
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kinds = [
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(v.PLEX_TYPE_MOVIE, itemtypes.Movie),
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(v.PLEX_TYPE_SHOW, itemtypes.Show),
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(v.PLEX_TYPE_SEASON, itemtypes.Season),
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(v.PLEX_TYPE_EPISODE, itemtypes.Episode)
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]
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if app.SYNC.enable_music:
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kinds.extend([
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(v.PLEX_TYPE_ARTIST, itemtypes.Artist),
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(v.PLEX_TYPE_ALBUM, itemtypes.Album),
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(v.PLEX_TYPE_SONG, itemtypes.Song)
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])
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for plex_type, context in kinds:
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# Delete movies that are not on Plex anymore
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while True:
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with context(self.current_time) as ctx:
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plex_ids = list(
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ctx.plexdb.plex_id_by_last_sync(plex_type,
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self.current_time,
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DELETION_BATCH_SIZE))
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for plex_id in plex_ids:
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if self.should_cancel():
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return
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ctx.remove(plex_id, plex_type)
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if len(plex_ids) < DELETION_BATCH_SIZE:
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break
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LOG.debug('Done looking for items to delete')
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@utils.log_time
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def _run(self):
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try:
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# Get latest Plex libraries and build playlist and video node files
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if self.should_cancel() or not sections.sync_from_pms(self):
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return
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self.copy_plex_db()
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self.full_library_sync()
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finally:
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common.update_kodi_library(video=True, music=True)
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if self.dialog:
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self.dialog.close()
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if not self.successful and not self.should_cancel():
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# "ERROR in library sync"
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utils.dialog('notification',
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heading='{plex}',
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message=utils.lang(39410),
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icon='{error}')
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self.callback(self.successful)
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def start(show_dialog, repair=False, callback=None):
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# Call run() and NOT start in order to not spawn another thread
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FullSync(repair, callback, show_dialog).run()
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