199 lines
6.6 KiB
Python
199 lines
6.6 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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from urllib import quote_plus, unquote
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import requests
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import xbmc
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from . import backgroundthread, path_ops, utils
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from . import state
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###############################################################################
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LOG = getLogger('PLEX.artwork')
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# Disable annoying requests warnings
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requests.packages.urllib3.disable_warnings()
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# Potentially issues with limited number of threads Hence let Kodi wait till
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# download is successful
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TIMEOUT = (35.1, 35.1)
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IMAGE_CACHING_SUSPENDS = [
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state.SUSPEND_LIBRARY_THREAD,
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state.DB_SCAN
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]
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if not utils.settings('imageSyncDuringPlayback') == 'true':
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IMAGE_CACHING_SUSPENDS.append(state.SUSPEND_SYNC)
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###############################################################################
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def double_urlencode(text):
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return quote_plus(quote_plus(text))
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def double_urldecode(text):
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return unquote(unquote(text))
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class ImageCachingThread(backgroundthread.KillableThread):
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def __init__(self):
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self._canceled = False
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super(ImageCachingThread, self).__init__()
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def isCanceled(self):
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return self._canceled or state.STOP_PKC
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def isSuspended(self):
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return any(IMAGE_CACHING_SUSPENDS)
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def cancel(self):
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self._canceled = True
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@staticmethod
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def _art_url_generator():
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from . import kodidb_functions as kodidb
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for kind in ('video', 'music'):
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with kodidb.GetKodiDB(kind) as kodi_db:
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for kodi_type in ('poster', 'fanart'):
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for url in kodi_db.artwork_generator(kodi_type):
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yield url
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def missing_art_cache_generator(self):
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from . import kodidb_functions as kodidb
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with kodidb.GetKodiDB('texture') as kodi_db:
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for url in self._art_url_generator():
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if kodi_db.url_not_yet_cached(url):
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yield url
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def run(self):
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LOG.info("---===### Starting ImageCachingThread ###===---")
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# Cache already synced artwork first
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for url in self.missing_art_cache_generator():
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if self.isCanceled():
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return
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while self.isSuspended():
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# Set in service.py
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if self.isCanceled():
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# Abort was requested while waiting. We should exit
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LOG.info("---===### Stopped ImageCachingThread ###===---")
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return
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xbmc.sleep(1000)
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cache_url(url)
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LOG.info("---===### Stopped ImageCachingThread ###===---")
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def cache_url(url):
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url = double_urlencode(utils.try_encode(url))
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sleeptime = 0
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while True:
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try:
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requests.head(
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url="http://%s:%s/image/image://%s"
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% (state.WEBSERVER_HOST,
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state.WEBSERVER_PORT,
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url),
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auth=(state.WEBSERVER_USERNAME,
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state.WEBSERVER_PASSWORD),
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timeout=TIMEOUT)
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except requests.Timeout:
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# We don't need the result, only trigger Kodi to start the
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# download. All is well
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break
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except requests.ConnectionError:
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if state.STOP_PKC:
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# Kodi terminated
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break
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# Server thinks its a DOS attack, ('error 10053')
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# Wait before trying again
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if sleeptime > 5:
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LOG.error('Repeatedly got ConnectionError for url %s',
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double_urldecode(url))
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break
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LOG.debug('Were trying too hard to download art, server '
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'over-loaded. Sleep %s seconds before trying '
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'again to download %s',
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2**sleeptime, double_urldecode(url))
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xbmc.sleep((2**sleeptime) * 1000)
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sleeptime += 1
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continue
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except Exception as err:
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LOG.error('Unknown exception for url %s: %s'.
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double_urldecode(url), err)
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import traceback
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LOG.error("Traceback:\n%s", traceback.format_exc())
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break
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# We did not even get a timeout
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break
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def modify_artwork(artworks, kodi_id, kodi_type, cursor):
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"""
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Pass in an artworks dict (see PlexAPI) to set an items artwork.
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"""
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for kodi_art, url in artworks.iteritems():
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modify_art(url, kodi_id, kodi_type, kodi_art, cursor)
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def modify_art(url, kodi_id, kodi_type, kodi_art, cursor):
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"""
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Adds or modifies the artwork of kind kodi_art (e.g. 'poster') in the
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Kodi art table for item kodi_id/kodi_type. Will also cache everything
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except actor portraits.
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"""
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query = '''
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SELECT url FROM art
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WHERE media_id = ? AND media_type = ? AND type = ?
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LIMIT 1
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'''
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cursor.execute(query, (kodi_id, kodi_type, kodi_art,))
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try:
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# Update the artwork
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old_url = cursor.fetchone()[0]
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except TypeError:
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# Add the artwork
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query = '''
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INSERT INTO art(media_id, media_type, type, url)
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VALUES (?, ?, ?, ?)
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'''
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cursor.execute(query, (kodi_id, kodi_type, kodi_art, url))
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else:
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if url == old_url:
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# Only cache artwork if it changed
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return
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delete_cached_artwork(old_url)
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query = '''
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UPDATE art SET url = ?
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WHERE media_id = ? AND media_type = ? AND type = ?
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'''
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cursor.execute(query, (url, kodi_id, kodi_type, kodi_art))
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def delete_artwork(kodiId, mediaType, cursor):
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cursor.execute('SELECT url FROM art WHERE media_id = ? AND media_type = ?',
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(kodiId, mediaType, ))
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for row in cursor.fetchall():
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delete_cached_artwork(row[0])
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def delete_cached_artwork(url):
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"""
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Deleted the cached artwork with path url (if it exists)
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"""
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from . import kodidb_functions as kodidb
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with kodidb.GetKodiDB('texture') as kodi_db:
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try:
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kodi_db.cursor.execute("SELECT cachedurl FROM texture WHERE url=? LIMIT 1",
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(url, ))
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cachedurl = kodi_db.cursor.fetchone()[0]
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except TypeError:
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# Could not find cached url
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pass
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else:
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# Delete thumbnail as well as the entry
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path = path_ops.translate_path("special://thumbnails/%s"
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% cachedurl)
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if path_ops.exists(path):
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path_ops.rmtree(path, ignore_errors=True)
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kodi_db.cursor.execute("DELETE FROM texture WHERE url = ?", (url,))
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