jellyfin-kodi/jellyfin_kodi/objects/kodi/artwork.py
Chuddah 85d4e660ef Dont modify a list as you are traversing it. The result is
implementation dependant although with CPython elements are
unintentionally skipped during iteration.

Basic CPython example:

>>> A = [1,2,3,4,5,6]
>>> for a in A:
...     A.remove(a)
>>> A
[2, 4, 6]
2020-02-16 18:41:14 +00:00

218 lines
6.8 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import division, absolute_import, print_function, unicode_literals
#################################################################################################
import logging
import threading
from six.moves import queue as Queue
from six.moves.urllib.parse import urlencode
from kodi_six import xbmc, xbmcvfs
from . import queries as QU
from . import queries_texture as QUTEX
from helper import settings
import requests
##################################################################################################
LOG = logging.getLogger("JELLYFIN." + __name__)
##################################################################################################
class Artwork(object):
def __init__(self, cursor):
self.cursor = cursor
self.enable_cache = settings('enableTextureCache.bool')
self.queue = Queue.Queue()
self.threads = []
self.kodi = {
'username': settings('webServerUser'),
'password': settings('webServerPass'),
'host': "localhost",
'port': settings('webServerPort')
}
def update(self, image_url, kodi_id, media, image):
''' Update artwork in the video database.
Only cache artwork if it changed for the main backdrop, poster.
Delete current entry before updating with the new one.
Cache fanart and poster in Kodi texture cache.
'''
if not image_url or image == 'poster' and media in ('song', 'artist', 'album'):
return
cache = False
try:
self.cursor.execute(QU.get_art, (kodi_id, media, image,))
url = self.cursor.fetchone()[0]
except TypeError:
cache = True
LOG.debug("ADD to kodi_id %s art: %s", kodi_id, image_url)
self.cursor.execute(QU.add_art, (kodi_id, media, image, image_url))
else:
if url != image_url:
cache = True
if image in ('fanart', 'poster'):
self.delete_cache(url)
LOG.info("UPDATE to kodi_id %s art: %s", kodi_id, image_url)
self.cursor.execute(QU.update_art, (image_url, kodi_id, media, image))
if cache and image in ('fanart', 'poster'):
self.cache(image_url)
def add(self, artwork, *args):
''' Add all artworks.
'''
KODI = {
'Primary': ['thumb', 'poster'],
'Banner': "banner",
'Logo': "clearlogo",
'Art': "clearart",
'Thumb': "landscape",
'Disc': "discart",
'Backdrop': "fanart"
}
for art in KODI:
if art == 'Backdrop':
self.cursor.execute(QU.get_backdrops, args + ("fanart%",))
if len(self.cursor.fetchall()) > len(artwork['Backdrop']):
self.cursor.execute(QU.delete_backdrops, args + ("fanart_",))
for index, backdrop in enumerate(artwork['Backdrop']):
if index:
self.update(*(backdrop,) + args + ("%s%s" % ("fanart", index),))
else:
self.update(*(backdrop,) + args + ("fanart",))
elif art == 'Primary':
for kodi_image in KODI['Primary']:
self.update(*(artwork['Primary'],) + args + (kodi_image,))
elif artwork.get(art):
self.update(*(artwork[art],) + args + (KODI[art],))
def delete(self, *args):
''' Delete artwork from kodi database and remove cache for backdrop/posters.
'''
self.cursor.execute(QU.get_art_url, args)
for row in self.cursor.fetchall():
if row[1] in ('poster', 'fanart'):
self.delete_cache(row[0])
def cache(self, url):
''' Cache a single image to texture cache.
'''
if not url or not self.enable_cache:
return
url = self.double_urlencode(url)
self.queue.put(url)
self.add_worker()
def double_urlencode(self, text):
text = self.single_urlencode(text)
text = self.single_urlencode(text)
return text
def single_urlencode(self, text):
''' urlencode needs a utf-string.
return the result as unicode
'''
text = urlencode({'blahblahblah': text})
text = text[13:]
return text
def add_worker(self):
self.threads = [thread for thread in self.threads if not thread.is_done]
if self.queue.qsize() and len(self.threads) < 2:
new_thread = GetArtworkWorker(self.kodi, self.queue)
new_thread.start()
LOG.info("-->[ q:artwork/%s ]", id(new_thread))
self.threads.append(new_thread)
def delete_cache(self, url):
''' Delete cached artwork.
'''
from database import Database
with Database('texture') as texturedb:
try:
texturedb.cursor.execute(QUTEX.get_cache, (url,))
cached = texturedb.cursor.fetchone()[0]
except TypeError:
LOG.debug("Could not find cached url: %s", url)
else:
thumbnails = xbmc.translatePath("special://thumbnails/%s" % cached)
xbmcvfs.delete(thumbnails)
texturedb.cursor.execute(QUTEX.delete_cache, (url,))
LOG.info("DELETE cached %s", cached)
class GetArtworkWorker(threading.Thread):
is_done = False
def __init__(self, kodi, queue):
self.kodi = kodi
self.queue = queue
threading.Thread.__init__(self)
def run(self):
''' Prepare the request. Request removes the urlencode which is required in this case.
Use a session allows to use a pool of connections.
'''
with requests.Session() as s:
while True:
try:
url = self.queue.get(timeout=2)
except Queue.Empty:
self.is_done = True
LOG.info("--<[ q:artwork/%s ]", id(self))
return
try:
req = requests.Request(method='HEAD',
url="http://%s:%s/image/image://%s" % (self.kodi['host'], self.kodi['port'], url),
auth=(self.kodi['username'], self.kodi['password']))
prep = req.prepare()
prep.url = "http://%s:%s/image/image://%s" % (self.kodi['host'], self.kodi['port'], url)
s.send(prep, timeout=(0.01, 0.01))
s.content # release the connection
except Exception as error:
LOG.exception(error)
self.queue.task_done()
if xbmc.Monitor().abortRequested():
break