[youtube:playlist] Fallback to video extraction for video/playlist URLs when playlist is broken (Closes #10537)

pull/8/head
Sergey M․ 8 years ago
parent 6066d03db0
commit dacb3a864a
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GPG Key ID: 2C393E0F18A9236D

@ -1841,6 +1841,28 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
'id': 'UUXw-G3eDE9trcvY2sBMM_aA', 'id': 'UUXw-G3eDE9trcvY2sBMM_aA',
}, },
'playlist_mincout': 21, 'playlist_mincout': 21,
}, {
# Playlist URL that does not actually serve a playlist
'url': 'https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4',
'info_dict': {
'id': 'FqZTN594JQw',
'ext': 'webm',
'title': "Smiley's People 01 detective, Adventure Series, Action",
'uploader': 'STREEM',
'uploader_id': 'UCyPhqAZgwYWZfxElWVbVJng',
'uploader_url': 're:https?://(?:www\.)?youtube\.com/channel/UCyPhqAZgwYWZfxElWVbVJng',
'upload_date': '20150526',
'license': 'Standard YouTube License',
'description': 'md5:507cdcb5a49ac0da37a920ece610be80',
'categories': ['People & Blogs'],
'tags': list,
'like_count': int,
'dislike_count': int,
},
'params': {
'skip_download': True,
},
'add_ie': [YoutubeIE.ie_key()],
}] }]
def _real_initialize(self): def _real_initialize(self):
@ -1901,9 +1923,20 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
playlist_title = self._html_search_regex( playlist_title = self._html_search_regex(
r'(?s)<h1 class="pl-header-title[^"]*"[^>]*>\s*(.*?)\s*</h1>', r'(?s)<h1 class="pl-header-title[^"]*"[^>]*>\s*(.*?)\s*</h1>',
page, 'title') page, 'title', default=None)
has_videos = True
if not playlist_title:
try:
# Some playlist URLs don't actually serve a playlist (e.g.
# https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4)
next(self._entries(page, playlist_id))
except StopIteration:
has_videos = False
return self.playlist_result(self._entries(page, playlist_id), playlist_id, playlist_title) return has_videos, self.playlist_result(
self._entries(page, playlist_id), playlist_id, playlist_title)
def _check_download_just_video(self, url, playlist_id): def _check_download_just_video(self, url, playlist_id):
# Check if it's a video-specific URL # Check if it's a video-specific URL
@ -1912,9 +1945,11 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
video_id = query_dict['v'][0] video_id = query_dict['v'][0]
if self._downloader.params.get('noplaylist'): if self._downloader.params.get('noplaylist'):
self.to_screen('Downloading just video %s because of --no-playlist' % video_id) self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
return self.url_result(video_id, 'Youtube', video_id=video_id) return video_id, self.url_result(video_id, 'Youtube', video_id=video_id)
else: else:
self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id)) self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
return video_id, None
return None, None
def _real_extract(self, url): def _real_extract(self, url):
# Extract playlist id # Extract playlist id
@ -1923,7 +1958,7 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
raise ExtractorError('Invalid URL: %s' % url) raise ExtractorError('Invalid URL: %s' % url)
playlist_id = mobj.group(1) or mobj.group(2) playlist_id = mobj.group(1) or mobj.group(2)
video = self._check_download_just_video(url, playlist_id) video_id, video = self._check_download_just_video(url, playlist_id)
if video: if video:
return video return video
@ -1931,7 +1966,15 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
# Mixes require a custom extraction process # Mixes require a custom extraction process
return self._extract_mix(playlist_id) return self._extract_mix(playlist_id)
return self._extract_playlist(playlist_id) has_videos, playlist = self._extract_playlist(playlist_id)
if has_videos or not video_id:
return playlist
# Some playlist URLs don't actually serve a playlist (see
# https://github.com/rg3/youtube-dl/issues/10537).
# Fallback to plain video extraction if there is a video id
# along with playlist id.
return self.url_result(video_id, 'Youtube', video_id=video_id)
class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor): class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
@ -2312,7 +2355,8 @@ class YoutubeWatchLaterIE(YoutubePlaylistIE):
video = self._check_download_just_video(url, 'WL') video = self._check_download_just_video(url, 'WL')
if video: if video:
return video return video
return self._extract_playlist('WL') _, playlist = self._extract_playlist('WL')
return playlist
class YoutubeFavouritesIE(YoutubeBaseInfoExtractor): class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):

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