def get_cover(self, filename, cover_url, feed_url, title,
username=None, password=None, download=False):
# Detection of "all episodes" podcast
if filename == self.ALL_EPISODES_ID:
return self.get_cover_all_episodes()
# Return already existing files
for extension in self.EXTENSIONS:
if os.path.exists(filename + extension):
return filename + extension
# If allowed to download files, do so here
if download:
# YouTube-specific cover art image resolver
youtube_cover_url = youtube.get_cover(feed_url)
if youtube_cover_url is not None:
cover_url = youtube_cover_url
if not cover_url:
return self._fallback_filename(title)
# We have to add username/password, because password-protected
# feeds might keep their cover art also protected (bug 1521)
if username is not None and password is not None:
cover_url = util.url_add_authentication(cover_url,
username, password)
try:
logger.info('Downloading cover art: %s', cover_url)
data = util.urlopen(cover_url, timeout=self.TIMEOUT).read()
except Exception as e:
logger.warn('Cover art download failed: %s', e)
return self._fallback_filename(title)
try:
extension = None
for filetype, check in list(self.SUPPORTED_EXTENSIONS.items()):
if check(data):
extension = filetype
break
if extension is None:
msg = 'Unknown file type: %s (%r)' % (cover_url, data[:6])
raise ValueError(msg)
# Successfully downloaded the cover art - save it!
fp = open(filename + extension, 'wb')
fp.write(data)
fp.close()
return filename + extension
except Exception as e:
logger.warn('Cannot save cover art', exc_info=True)
# Fallback to cover art based on the podcast title
return self._fallback_filename(title)
def refresh(self, url, channel_url, max_episodes):
"""
Fetch a channel or playlist contents.
Doesn't yet fetch video entry informations, so we only get the video id and title.
"""
# Duplicate a bit of the YoutubeDL machinery here because we only
# want to parse the channel/playlist first, not to fetch video entries.
# We call YoutubeDL.extract_info(process=False), so we
# have to call extract_info again ourselves when we get a result of type 'url'.
def extract_type(ie_result):
result_type = ie_result.get('_type', 'video')
if result_type not in ('url', 'playlist', 'multi_video'):
raise Exception(
'Unsuported result_type: {}'.format(result_type))
has_playlist = result_type in ('playlist', 'multi_video')
return result_type, has_playlist
opts = {
'youtube_include_dash_manifest':
False, # only interested in video title and id
}
opts.update(self._ydl_opts)
with youtube_dl.YoutubeDL(opts) as ydl:
ie_result = ydl.extract_info(url, download=False, process=False)
result_type, has_playlist = extract_type(ie_result)
while not has_playlist:
if result_type in ('url', 'url_transparent'):
ie_result['url'] = youtube_dl.utils.sanitize_url(
ie_result['url'])
if result_type == 'url':
logger.debug("extract_info(%s) to get the video list",
ie_result['url'])
# We have to add extra_info to the results because it may be
# contained in a playlist
ie_result = ydl.extract_info(
ie_result['url'],
download=False,
process=False,
ie_key=ie_result.get('ie_key'))
result_type, has_playlist = extract_type(ie_result)
cover_url = youtube.get_cover(
channel_url) # youtube-dl doesn't provide the cover url!
description = youtube.get_channel_desc(
channel_url) # youtube-dl doesn't provide the description!
return feedcore.Result(
feedcore.UPDATED_FEED,
YoutubeFeed(url, cover_url, description, max_episodes, ie_result,
self))
def get_cover(self,
filename,
cover_url,
feed_url,
title,
username=None,
password=None,
download=False):
# Detection of "all episodes" podcast
if filename == self.ALL_EPISODES_ID:
return self.get_cover_all_episodes()
# Return already existing files
for extension in self.EXTENSIONS:
if os.path.exists(filename + extension):
return filename + extension
# If allowed to download files, do so here
if download:
# YouTube-specific cover art image resolver
youtube_cover_url = youtube.get_cover(feed_url)
if youtube_cover_url is not None:
cover_url = youtube_cover_url
if not cover_url:
return self._fallback_filename(title)
# We have to add username/password, because password-protected
# feeds might keep their cover art also protected (bug 1521)
if username is not None and password is not None:
cover_url = util.url_add_authentication(
cover_url, username, password)
try:
logger.info('Downloading cover art: %s', cover_url)
data = util.urlopen(cover_url, timeout=self.TIMEOUT).read()
except Exception as e:
logger.warn('Cover art download failed: %s', e)
return self._fallback_filename(title)
try:
extension = None
for filetype, check in list(self.SUPPORTED_EXTENSIONS.items()):
if check(data):
extension = filetype
break
if extension is None:
msg = 'Unknown file type: %s (%r)' % (cover_url, data[:6])
raise ValueError(msg)
# Successfully downloaded the cover art - save it!
fp = open(filename + extension, 'wb')
fp.write(data)
fp.close()
return filename + extension
except Exception as e:
logger.warn('Cannot save cover art', exc_info=True)
# Fallback to cover art based on the podcast title
return self._fallback_filename(title)
