93 lines
3.8 KiB
Python
93 lines
3.8 KiB
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 . import common, sections
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from ..plex_db import PlexDB
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from .. import backgroundthread, app
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LOG = getLogger('PLEX.sync.process_metadata')
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COMMIT_TO_DB_EVERY_X_ITEMS = 500
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class ProcessMetadataThread(common.LibrarySyncMixin,
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backgroundthread.KillableThread):
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"""
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Invoke once in order to process the received PMS metadata xmls
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"""
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def __init__(self, current_time, processing_queue, update_progressbar):
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self.current_time = current_time
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self.processing_queue = processing_queue
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self.update_progressbar = update_progressbar
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self.last_section = sections.Section()
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self.successful = True
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super(ProcessMetadataThread, self).__init__()
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def start_section(self, section):
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if section != self.last_section:
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if self.last_section:
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self.finish_last_section()
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LOG.debug('Start or continue processing section %s', section)
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self.last_section = section
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# Warn the user for this new section if we cannot access a file
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app.SYNC.path_verified = False
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else:
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LOG.debug('Resume processing section %s', section)
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def finish_last_section(self):
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if (not self.should_cancel() and self.last_section and
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self.last_section.sync_successful):
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# Check for should_cancel() because we cannot be sure that we
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# processed every item of the section
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with PlexDB() as plexdb:
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# Set the new time mark for the next delta sync
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plexdb.update_section_last_sync(self.last_section.section_id,
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self.current_time)
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LOG.info('Finished processing section successfully: %s',
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self.last_section)
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elif self.last_section and not self.last_section.sync_successful:
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LOG.warn('Sync not successful for section %s', self.last_section)
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self.successful = False
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def _get(self):
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item = {'xml': None}
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while not self.should_cancel() and item and item['xml'] is None:
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item = self.processing_queue.get()
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self.processing_queue.task_done()
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return item
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def _run(self):
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# There are 2 sentinels: None for aborting/ending this thread, the dict
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# {'section': section, 'xml': None} for skipped/invalid items
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item = self._get()
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if item:
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section = item['section']
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processed = 0
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self.start_section(section)
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while not self.should_cancel():
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if item is None:
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break
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elif item['section'] != section:
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# We received an entirely new section
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self.start_section(item['section'])
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section = item['section']
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with section.context(self.current_time) as context:
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while not self.should_cancel():
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if item is None or item['section'] != section:
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break
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self.update_progressbar(section,
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item['xml'][0].get('title'),
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section.count)
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context.add_update(item['xml'][0],
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section_name=section.name,
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section_id=section.section_id,
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children=item['children'])
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processed += 1
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section.count += 1
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if processed == COMMIT_TO_DB_EVERY_X_ITEMS:
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processed = 0
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context.commit()
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item = self._get()
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self.finish_last_section()
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