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[extractor/youtube:tab] Improvements to tab handling (#5487)

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* Better handling of direct channel URLs - See https://github.com/yt-dlp/yt-dlp/pull/5439#issuecomment-1309322019
* Prioritize tab id from URL slug - Closes #5486
* Add metadata for the wrapping playlist
* Simplify redirect for music playlists
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pukkandan 2022-11-11 13:52:40 +05:30 committed by GitHub
parent f7fc8d39e9
commit bd7e919a75
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1 changed files with 141 additions and 132 deletions
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yt_dlp/extractor/youtube.py
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@ -4263,15 +4263,19 @@ def process_language(container, base_url, lang_code, sub_name, query):
class YoutubeTabBaseInfoExtractor(YoutubeBaseInfoExtractor):
@staticmethod
def passthrough_smuggled_data(func):
def _smuggle(entries, smuggled_data):
for entry in entries:
# TODO: Convert URL to music.youtube instead.
# Do we need to passthrough any other smuggled_data?
entry['url'] = smuggle_url(entry['url'], smuggled_data)
yield entry
def _smuggle(info, smuggled_data):
if info.get('_type') not in ('url', 'url_transparent'):
return info
if smuggled_data.get('is_music_url'):
parsed_url = urllib.parse.urlparse(info['url'])
if parsed_url.netloc in ('www.youtube.com', 'music.youtube.com'):
smuggled_data.pop('is_music_url')
info['url'] = urllib.parse.urlunparse(parsed_url._replace(netloc='music.youtube.com'))
if smuggled_data:
info['url'] = smuggle_url(info['url'], smuggled_data)
return info
@functools.wraps(func)
def wrapper(self, url):
@ -4279,8 +4283,10 @@ def wrapper(self, url):
if self.is_music_url(url):
smuggled_data['is_music_url'] = True
info_dict = func(self, url, smuggled_data)
if smuggled_data and info_dict.get('entries'):
info_dict['entries'] = _smuggle(info_dict['entries'], smuggled_data)
if smuggled_data:
_smuggle(info_dict, smuggled_data)
if info_dict.get('entries'):
info_dict['entries'] = (_smuggle(i, smuggled_data) for i in info_dict['entries'])
return info_dict
return wrapper
@ -4628,28 +4634,33 @@ def _extract_tab_renderers(response):
response, ('contents', 'twoColumnBrowseResultsRenderer', 'tabs', ..., ('tabRenderer', 'expandableTabRenderer')), expected_type=dict)
def _extract_from_tabs(self, item_id, ytcfg, data, tabs):
playlist_id = title = description = channel_url = channel_name = channel_id = None
tags = []
metadata = self._extract_metadata_from_tabs(item_id, data)
selected_tab = self._extract_selected_tab(tabs)
# Deprecated - remove when layout discontinued
primary_sidebar_renderer = self._extract_sidebar_info_renderer(data, 'playlistSidebarPrimaryInfoRenderer')
playlist_header_renderer = traverse_obj(data, ('header', 'playlistHeaderRenderer'), expected_type=dict)
metadata_renderer = try_get(
data, lambda x: x['metadata']['channelMetadataRenderer'], dict)
if metadata_renderer:
channel_name = metadata_renderer.get('title')
channel_url = metadata_renderer.get('channelUrl')
channel_id = metadata_renderer.get('externalId')
else:
metadata_renderer = try_get(
data, lambda x: x['metadata']['playlistMetadataRenderer'], dict)
metadata['title'] += format_field(selected_tab, 'title', ' - %s')
metadata['title'] += format_field(selected_tab, 'expandedText', ' - %s')
return self.playlist_result(
self._entries(
selected_tab, metadata['id'], ytcfg,
self._extract_account_syncid(ytcfg, data),
self._extract_visitor_data(data, ytcfg)),
**metadata)
def _extract_metadata_from_tabs(self, item_id, data):
info = {'id': item_id}
metadata_renderer = traverse_obj(data, ('metadata', 'channelMetadataRenderer'), expected_type=dict)
if metadata_renderer:
title = metadata_renderer.get('title')
description = metadata_renderer.get('description', '')
playlist_id = channel_id
tags = metadata_renderer.get('keywords', '').split()
info.update({
'uploader': metadata_renderer.get('title'),
'uploader_id': metadata_renderer.get('externalId'),
'uploader_url': metadata_renderer.get('channelUrl'),
})
if info['uploader_id']:
info['id'] = info['uploader_id']
else:
metadata_renderer = traverse_obj(data, ('metadata', 'playlistMetadataRenderer'), expected_type=dict)
# We can get the uncropped banner/avatar by replacing the crop params with '=s0'
# See: https://github.com/yt-dlp/yt-dlp/issues/2237#issuecomment-1013694714
@ -4667,7 +4678,7 @@ def _get_uncropped(url):
})
channel_banners = self._extract_thumbnails(
data, ('header', ..., ['banner', 'mobileBanner', 'tvBanner']))
data, ('header', ..., ('banner', 'mobileBanner', 'tvBanner')))
for banner in channel_banners:
banner['preference'] = -10
@ -4680,78 +4691,64 @@ def _get_uncropped(url):
'preference': -5
})
# Deprecated - remove when old layout is discontinued
# Deprecated - remove primary_sidebar_renderer when layout discontinued
primary_sidebar_renderer = self._extract_sidebar_info_renderer(data, 'playlistSidebarPrimaryInfoRenderer')
playlist_header_renderer = traverse_obj(data, ('header', 'playlistHeaderRenderer'), expected_type=dict)
primary_thumbnails = self._extract_thumbnails(
primary_sidebar_renderer, ('thumbnailRenderer', ('playlistVideoThumbnailRenderer', 'playlistCustomThumbnailRenderer'), 'thumbnail'))
playlist_thumbnails = self._extract_thumbnails(
playlist_header_renderer, ('playlistHeaderBanner', 'heroPlaylistThumbnailRenderer', 'thumbnail'))
if playlist_id is None:
playlist_id = item_id
info.update({
'title': (traverse_obj(metadata_renderer, 'title')
or self._get_text(data, ('header', 'hashtagHeaderRenderer', 'hashtag'))
or info['id']),
'availability': self._extract_availability(data),
'channel_follower_count': self._get_count(data, ('header', ..., 'subscriberCountText')),
'description': try_get(metadata_renderer, lambda x: x.get('description', '')),
'tags': try_get(metadata_renderer or {}, lambda x: x.get('keywords', '').split()),
'thumbnails': (primary_thumbnails or playlist_thumbnails) + avatar_thumbnails + channel_banners,
})
# Deprecated - remove primary_sidebar_renderer when old layout discontinued
# Playlist stats is a text runs array containing [video count, view count, last updated].
# last updated or (view count and last updated) may be missing.
playlist_stats = get_first(
(primary_sidebar_renderer, playlist_header_renderer), (('stats', 'briefStats', 'numVideosText'),))
(primary_sidebar_renderer, playlist_header_renderer), (('stats', 'briefStats', 'numVideosText'), ))
last_updated_unix = self._parse_time_text(
self._get_text(playlist_stats, 2) # deprecated, remove when old layout discontinued
or self._get_text(playlist_header_renderer, ('byline', 1, 'playlistBylineRenderer', 'text')))
info['modified_date'] = strftime_or_none(last_updated_unix, '%Y%m%d')
view_count = self._get_count(playlist_stats, 1)
if view_count is None:
view_count = self._get_count(playlist_header_renderer, 'viewCountText')
info['view_count'] = self._get_count(playlist_stats, 1)
if info['view_count'] is None: # 0 is allowed
info['view_count'] = self._get_count(playlist_header_renderer, 'viewCountText')
playlist_count = self._get_count(playlist_stats, 0)
if playlist_count is None:
playlist_count = self._get_count(playlist_header_renderer, ('byline', 0, 'playlistBylineRenderer', 'text'))
info['playlist_count'] = self._get_count(playlist_stats, 0)
if info['playlist_count'] is None: # 0 is allowed
info['playlist_count'] = self._get_count(playlist_header_renderer, ('byline', 0, 'playlistBylineRenderer', 'text'))
if title is None:
title = self._get_text(data, ('header', 'hashtagHeaderRenderer', 'hashtag')) or playlist_id
title += format_field(selected_tab, 'title', ' - %s')
title += format_field(selected_tab, 'expandedText', ' - %s')
metadata = {
'playlist_id': playlist_id,
'playlist_title': title,
'playlist_description': description,
'uploader': channel_name,
'uploader_id': channel_id,
'uploader_url': channel_url,
'thumbnails': (primary_thumbnails or playlist_thumbnails) + avatar_thumbnails + channel_banners,
'tags': tags,
'view_count': view_count,
'availability': self._extract_availability(data),
'modified_date': strftime_or_none(last_updated_unix, '%Y%m%d'),
'playlist_count': playlist_count,
'channel_follower_count': self._get_count(data, ('header', ..., 'subscriberCountText')),
}
if not channel_id:
if not info.get('uploader_id'):
owner = traverse_obj(playlist_header_renderer, 'ownerText')
if not owner:
# Deprecated
if not owner: # Deprecated
owner = traverse_obj(
self._extract_sidebar_info_renderer(data, 'playlistSidebarSecondaryInfoRenderer'),
('videoOwner', 'videoOwnerRenderer', 'title'))
owner_text = self._get_text(owner)
browse_ep = traverse_obj(owner, ('runs', 0, 'navigationEndpoint', 'browseEndpoint')) or {}
metadata.update(filter_dict({
info.update({
'uploader': self._search_regex(r'^by (.+) and \d+ others?$', owner_text, 'uploader', default=owner_text),
'uploader_id': browse_ep.get('browseId'),
'uploader_url': urljoin('https://www.youtube.com', browse_ep.get('canonicalBaseUrl'))
}))
})
metadata.update({
'channel': metadata['uploader'],
'channel_id': metadata['uploader_id'],
'channel_url': metadata['uploader_url']})
return self.playlist_result(
self._entries(
selected_tab, playlist_id, ytcfg,
self._extract_account_syncid(ytcfg, data),
self._extract_visitor_data(data, ytcfg)),
**metadata)
info.update({
'channel': info['uploader'],
'channel_id': info['uploader_id'],
'channel_url': info['uploader_url']
})
return info
def _extract_inline_playlist(self, playlist, playlist_id, data, ytcfg):
first_id = last_id = response = None
@ -5562,10 +5559,6 @@ class YoutubeTabIE(YoutubeTabBaseInfoExtractor):
'description': '',
'availability': 'public',
},
'expected_warnings': [
'The URL does not have a videos tab',
r'[Uu]navailable videos (are|will be) hidden',
],
'playlist_mincount': 101,
}, {
# Destination channel with only a hidden self tab (tab id is UCtFRv9O2AHqOZjjynzrv-xg)
@ -5773,7 +5766,16 @@ class YoutubeTabIE(YoutubeTabBaseInfoExtractor):
'url': 'https://www.youtube.com/channel/UCK9V2B22uJYu3N7eR_BT9QA',
'info_dict': {
'id': 'UCK9V2B22uJYu3N7eR_BT9QA',
'title': 'Uploads for UCK9V2B22uJYu3N7eR_BT9QA'
'title': 'Polka Ch. 尾丸ポルカ',
'channel_follower_count': int,
'channel_id': 'UCK9V2B22uJYu3N7eR_BT9QA',
'channel_url': 'https://www.youtube.com/channel/UCK9V2B22uJYu3N7eR_BT9QA',
'uploader': 'Polka Ch. 尾丸ポルカ',
'description': 'md5:3b8df1ac5af337aa206e37ee3d181ec9',
'channel': 'Polka Ch. 尾丸ポルカ',
'tags': 'count:35',
'uploader_url': 'https://www.youtube.com/channel/UCK9V2B22uJYu3N7eR_BT9QA',
'uploader_id': 'UCK9V2B22uJYu3N7eR_BT9QA',
},
'playlist_count': 3,
}, {
@ -5929,14 +5931,17 @@ def _extract_tab_id_and_name(self, tab, base_url='https://www.youtube.com'):
tab_url = urljoin(base_url, traverse_obj(
tab, ('endpoint', 'commandMetadata', 'webCommandMetadata', 'url')))
tab_id = (traverse_obj(tab, 'tabIdentifier', expected_type=str)
or tab_url and self._get_url_mobj(tab_url)['tab'][1:])
tab_id = (tab_url and self._get_url_mobj(tab_url)['tab'][1:]
or traverse_obj(tab, 'tabIdentifier', expected_type=str))
if tab_id:
return tab_id, tab_name
return {
'TAB_ID_SPONSORSHIPS': 'membership',
}.get(tab_id, tab_id), tab_name
# Fallback to tab name if we cannot get the tab id.
# XXX: should we strip non-ascii letters? e.g. in case of 'let's play' tab example on special gaming channel
# Note that in the case of translated tab name this may result in an empty string, which we don't want.
if tab_name:
self.write_debug(f'Falling back to selected tab name: {tab_name}')
return {
'home': 'featured',
@ -5955,11 +5960,10 @@ def _real_extract(self, url, smuggled_data):
mobj = self._get_url_mobj(url)
pre, tab, post, is_channel = mobj['pre'], mobj['tab'], mobj['post'], not mobj['not_channel']
if is_channel:
if smuggled_data.get('is_music_url'):
if is_channel and smuggled_data.get('is_music_url'):
if item_id[:2] == 'VL': # Youtube music VL channels have an equivalent playlist
item_id = item_id[2:]
pre, tab, post, is_channel = f'https://www.youtube.com/playlist?list={item_id}', '', '', False
return self.url_result(
f'https://music.youtube.com/playlist?list={item_id[2:]}', YoutubeTabIE, item_id[2:])
elif item_id[:2] == 'MP': # Resolve albums (/[channel/browse]/MP...) to their equivalent playlist
mdata = self._extract_tab_endpoint(
f'https://music.youtube.com/channel/{item_id}', item_id, default_client='web_music')
@ -5969,33 +5973,30 @@ def _real_extract(self, url, smuggled_data):
raise ExtractorError('Failed to resolve album to playlist')
return self.url_result(murl, YoutubeTabIE)
elif mobj['channel_type'] == 'browse': # Youtube music /browse/ should be changed to /channel/
pre = f'https://www.youtube.com/channel/{item_id}'
return self.url_result(
f'https://music.youtube.com/channel/{item_id}{tab}{post}', YoutubeTabIE, item_id)
original_tab_id = tab[1:]
original_tab_id, display_id = tab[1:], f'{item_id}{tab}'
if is_channel and not tab and 'no-youtube-channel-redirect' not in compat_opts:
tab = '/videos'
url = ''.join((pre, tab, post))
mobj = self._get_url_mobj(url)
url = f'{pre}/videos{post}'
# Handle both video/playlist URLs
qs = parse_qs(url)
video_id, playlist_id = (qs.get(key, [None])[0] for key in ('v', 'list'))
video_id, playlist_id = [traverse_obj(qs, (key, 0)) for key in ('v', 'list')]
if not video_id and mobj['not_channel'].startswith('watch'):
if not playlist_id:
# If there is neither video or playlist ids, youtube redirects to home page, which is undesirable
raise ExtractorError('Unable to recognize tab page')
raise ExtractorError('A video URL was given without video ID', expected=True)
# Common mistake: https://www.youtube.com/watch?list=playlist_id
self.report_warning(f'A video URL was given without video ID. Trying to download playlist {playlist_id}')
url = f'https://www.youtube.com/playlist?list={playlist_id}'
mobj = self._get_url_mobj(url)
return self.url_result(
f'https://www.youtube.com/playlist?list={playlist_id}', YoutubeTabIE, playlist_id)
if not self._yes_playlist(playlist_id, video_id):
return self.url_result(
f'https://www.youtube.com/watch?v={video_id}', YoutubeIE, video_id)
data, ytcfg = self._extract_data(url, item_id)
data, ytcfg = self._extract_data(url, display_id)
# YouTube may provide a non-standard redirect to the regional channel
# See: https://github.com/yt-dlp/yt-dlp/issues/2694
@ -6003,28 +6004,26 @@ def _real_extract(self, url, smuggled_data):
redirect_url = traverse_obj(
data, ('onResponseReceivedActions', ..., 'navigateAction', 'endpoint', 'commandMetadata', 'webCommandMetadata', 'url'), get_all=False)
if redirect_url and 'no-youtube-channel-redirect' not in compat_opts:
redirect_url = ''.join((
urljoin('https://www.youtube.com', redirect_url), mobj['tab'], mobj['post']))
redirect_url = ''.join((urljoin('https://www.youtube.com', redirect_url), tab, post))
self.to_screen(f'This playlist is likely not available in your region. Following conditional redirect to {redirect_url}')
return self.url_result(redirect_url, YoutubeTabIE)
tab_results = []
tabs = self._extract_tab_renderers(data)
tabs, extra_tabs = self._extract_tab_renderers(data), []
if is_channel and tabs and 'no-youtube-channel-redirect' not in compat_opts:
selected_tab = self._extract_selected_tab(tabs)
selected_tab_id, selected_tab_name = self._extract_tab_id_and_name(selected_tab, url) # NB: Name may be translated
self.write_debug(f'Selected tab: {selected_tab_id!r} ({selected_tab_name}), Requested tab: {original_tab_id!r}')
if not original_tab_id and selected_tab_name:
self.to_screen('Channel URLs download all uploads of the channel. '
self.to_screen('Downloading all uploads of the channel. '
'To download only the videos in a specific tab, pass the tab\'s URL')
if self._has_tab(tabs, 'streams'):
tab_results.append(self.url_result(''.join((pre, '/streams', post))))
extra_tabs.append(''.join((pre, '/streams', post)))
if self._has_tab(tabs, 'shorts'):
tab_results.append(self.url_result(''.join((pre, '/shorts', post))))
extra_tabs.append(''.join((pre, '/shorts', post)))
# XXX: Members-only tab should also be extracted
if not tab_results and selected_tab_id != 'videos':
if not extra_tabs and selected_tab_id != 'videos':
# Channel does not have streams, shorts or videos tabs
if item_id[:2] != 'UC':
raise ExtractorError('This channel has no uploads', expected=True)
@ -6041,43 +6040,53 @@ def _real_extract(self, url, smuggled_data):
self.to_screen(
f'The channel does not have a videos, shorts, or live tab. Redirecting to playlist {pl_id} instead')
elif tab_results and selected_tab_id != 'videos':
elif extra_tabs and selected_tab_id != 'videos':
# When there are shorts/live tabs but not videos tab
url, data = ''.join((pre, post)), None
url, data = f'{pre}{post}', None
elif (original_tab_id or 'videos') != selected_tab_id:
if original_tab_id == 'live':
# Live tab should have redirected to the video
# Except in the case the channel has an actual live tab
# Example: https://www.youtube.com/channel/UCEH7P7kyJIkS_gJf93VYbmg/live
raise UserNotLive(video_id=mobj['id'])
raise UserNotLive(video_id=item_id)
elif selected_tab_name:
raise ExtractorError(f'This channel does not have a {original_tab_id} tab', expected=True)
# For channels such as https://www.youtube.com/channel/UCtFRv9O2AHqOZjjynzrv-xg
url = f'{pre}{post}'
self.write_debug(f'Final URL: {url}')
# YouTube sometimes provides a button to reload playlist with unavailable videos.
if 'no-youtube-unavailable-videos' not in compat_opts:
data = self._reload_with_unavailable_videos(item_id, data, ytcfg) or data
data = self._reload_with_unavailable_videos(display_id, data, ytcfg) or data
self._extract_and_report_alerts(data, only_once=True)
tabs = self._extract_tab_renderers(data)
tabs, entries = self._extract_tab_renderers(data), []
if tabs:
tab_results[:0] = [self._extract_from_tabs(item_id, ytcfg, data, tabs)]
tab_results[0].update({
entries = [self._extract_from_tabs(item_id, ytcfg, data, tabs)]
entries[0].update({
'extractor_key': YoutubeTabIE.ie_key(),
'extractor': YoutubeTabIE.IE_NAME,
'webpage_url': url,
})
if self.get_param('playlist_items') == '0':
entries.extend(self.url_result(u, YoutubeTabIE) for u in extra_tabs)
else: # Users expect to get all `video_id`s even with `--flat-playlist`. So don't return `url_result`
entries.extend(map(self._real_extract, extra_tabs))
if len(tab_results) == 1:
return tab_results[0]
elif len(tab_results) > 1:
return self.playlist_result(tab_results, item_id, title=f'Uploads for {item_id}')
if len(entries) == 1:
return entries[0]
elif entries:
metadata = self._extract_metadata_from_tabs(item_id, data)
uploads_url = 'the Uploads (UU) playlist URL'
if try_get(metadata, lambda x: x['channel_id'].startswith('UC')):
uploads_url = f'https://www.youtube.com/playlist?list=UU{metadata["channel_id"][2:]}'
self.to_screen(
'Downloading as multiple playlists, separated by tabs. '
f'To download as a single playlist instead, pass {uploads_url}')
return self.playlist_result(entries, item_id, **metadata)
# Inline playlist
playlist = traverse_obj(
data, ('contents', 'twoColumnWatchNextResults', 'playlist', 'playlist'), expected_type=dict)
if playlist:
@ -6086,7 +6095,7 @@ def _real_extract(self, url, smuggled_data):
video_id = traverse_obj(
data, ('currentVideoEndpoint', 'watchEndpoint', 'videoId'), expected_type=str) or video_id
if video_id:
if mobj['tab'] != '/live': # live tab is expected to redirect to video
if tab != '/live': # live tab is expected to redirect to video
self.report_warning(f'Unable to recognize playlist. Downloading just video {video_id}')
return self.url_result(f'https://www.youtube.com/watch?v={video_id}', YoutubeIE, video_id)