PlexKodiConnect/resources/lib/library_sync/process_metadata.py
2018-11-11 17:48:11 +01:00

145 lines
5.2 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, unicode_literals
from logging import getLogger
import xbmcgui
from cProfile import Profile
from pstats import Stats
from StringIO import StringIO
from . import common
from .. import backgroundthread, utils, variables as v
LOG = getLogger('PLEX.sync.process_metadata')
class InitNewSection(object):
"""
Throw this into the queue used for ProcessMetadata to tell it which
Plex library section we're looking at
context: itemtypes.Movie, itemtypes.Episode, etc.
"""
def __init__(self, context, total_number_of_items, section_name,
section_id, plex_type):
self.context = context
self.total = total_number_of_items
self.name = section_name
self.id = section_id
self.plex_type = plex_type
class UpdateLastSync(object):
def __init__(self, plex_id):
self.plex_id = plex_id
class ProcessMetadata(backgroundthread.KillableThread, common.libsync_mixin):
"""
Not yet implemented for more than 1 thread - if ever. Only to be called by
ONE thread!
Processes the XML metadata in the queue
Input:
queue: Queue.Queue() object that you'll need to fill up with
the downloaded XML eTree objects
item_class: as used to call functions in itemtypes.py e.g. 'Movies' =>
itemtypes.Movies()
"""
def __init__(self, queue, last_sync, show_dialog):
self._canceled = False
self.queue = queue
self.last_sync = last_sync
self.show_dialog = show_dialog
self.total = 0
self.current = 1
self.processed = 0
self.title = ''
self.section_name = None
self.dialog = None
super(ProcessMetadata, self).__init__()
def update_progressbar(self):
if self.show_dialog:
try:
progress = int(float(self.current) / float(self.total) * 100.0)
except ZeroDivisionError:
progress = 0
self.dialog.update(progress,
'%s (%s)' % (self.section_name, self.section_type_text),
'%s/%s: %s'
% (self.current, self.total, self.title))
def run(self):
LOG.debug('Processing thread started')
try:
self._run()
except:
utils.ERROR(txt='process_metadata crashed',
notify=True,
cancel_sync=True)
finally:
if self.dialog:
self.dialog.close()
while not self.queue.empty():
# We need to empty the queue to let full_sync finish join()
self.queue.get()
self.queue.task_done()
LOG.debug('Processing thread terminated')
def _run(self):
"""
Do the work
"""
if self.show_dialog:
self.dialog = xbmcgui.DialogProgressBG()
self.dialog.create(utils.lang(39714))
# Init with the very first library section. This will block!
section = self.queue.get()
self.queue.task_done()
if section is None:
return
while not self.isCanceled():
if section is None:
break
LOG.debug('Start processing section %s: %s',
section.plex_type, section.name)
self.current = 1
self.processed = 0
self.total = section.total
self.section_name = section.name
self.section_type_text = utils.lang(
v.TRANSLATION_FROM_PLEXTYPE[section.plex_type])
profile = Profile()
profile.enable()
with section.context(self.last_sync) as context:
while not self.isCanceled():
# grabs item from queue. This will block!
item = self.queue.get()
if isinstance(item, InitNewSection) or item is None:
section = item
self.queue.task_done()
break
elif isinstance(item, UpdateLastSync):
context.plexdb.update_last_sync(item.plex_id,
section.plex_type,
self.last_sync)
else:
context.add_update(item['xml'][0],
section_name=section.name,
section_id=section.id,
children=item['children'])
self.title = item['xml'][0].get('title')
self.processed += 1
self.update_progressbar()
self.current += 1
if self.processed == 500:
self.processed = 0
context.commit()
self.queue.task_done()
profile.disable()
string_io = StringIO()
stats = Stats(profile, stream=string_io).sort_stats('cumulative')
stats.print_stats()
LOG.info('cProfile result: ')
LOG.info(string_io.getvalue())