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[youtube] Fix history, trending and mix playlists (#136)

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Co-authored-by: pukkandan <pukkandan.ytdlp@gmail.com>
Co-authored-by: Matthew <colethedj@protonmail.com>
This commit is contained in:
pukkandan
2021-03-04 23:35:26 +05:30
committed by GitHub
parent 2c736b4f61
commit cd7c66cf01
2 changed files with 82 additions and 66 deletions
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147
yt_dlp/extractor/youtube.py
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@@ -59,9 +59,9 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
_TFA_URL = 'https://accounts.google.com/_/signin/challenge?hl=en&TL={0}'
_RESERVED_NAMES = (
r'embed|e|watch_popup|channel|c|user|playlist|watch|w|v|movies|results|shared|hashtag|'
r'storefront|oops|index|account|reporthistory|t/terms|about|upload|signin|logout|'
r'feed/(?:watch_later|history|subscriptions|library|trending|recommended)')
r'channel|c|user|playlist|watch|w|v|embed|e|watch_popup|'
r'movies|results|shared|hashtag|trending|feed|feeds|'
r'storefront|oops|index|account|reporthistory|t/terms|about|upload|signin|logout')
_NETRC_MACHINE = 'youtube'
# If True it will raise an error if no login info is provided
@@ -2520,17 +2520,22 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
channel_url, 'channel id')
@staticmethod
def _extract_grid_item_renderer(item):
for item_kind in ('Playlist', 'Video', 'Channel'):
renderer = item.get('grid%sRenderer' % item_kind)
if renderer:
return renderer
def _extract_basic_item_renderer(item):
# Modified from _extract_grid_item_renderer
known_renderers = (
'playlistRenderer', 'videoRenderer', 'channelRenderer'
'gridPlaylistRenderer', 'gridVideoRenderer', 'gridChannelRenderer'
)
for key, renderer in item.items():
if key not in known_renderers:
continue
return renderer
def _grid_entries(self, grid_renderer):
for item in grid_renderer['items']:
if not isinstance(item, dict):
continue
renderer = self._extract_grid_item_renderer(item)
renderer = self._extract_basic_item_renderer(item)
if not isinstance(renderer, dict):
continue
title = try_get(
@@ -2559,7 +2564,7 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
content = shelf_renderer.get('content')
if not isinstance(content, dict):
return
renderer = content.get('gridRenderer')
renderer = content.get('gridRenderer') or content.get('expandedShelfContentsRenderer')
if renderer:
# TODO: add support for nested playlists so each shelf is processed
# as separate playlist
@@ -2601,20 +2606,6 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
continue
yield self._extract_video(renderer)
r""" # Not needed in the new implementation
def _itemSection_entries(self, item_sect_renderer):
for content in item_sect_renderer['contents']:
if not isinstance(content, dict):
continue
renderer = content.get('videoRenderer', {})
if not isinstance(renderer, dict):
continue
video_id = renderer.get('videoId')
if not video_id:
continue
yield self._extract_video(renderer)
"""
def _rich_entries(self, rich_grid_renderer):
renderer = try_get(
rich_grid_renderer, lambda x: x['content']['videoRenderer'], dict) or {}
@@ -2837,7 +2828,7 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
'gridPlaylistRenderer': (self._grid_entries, 'items'),
'gridVideoRenderer': (self._grid_entries, 'items'),
'playlistVideoRenderer': (self._playlist_entries, 'contents'),
'itemSectionRenderer': (self._playlist_entries, 'contents'),
'itemSectionRenderer': (extract_entries, 'contents'), # for feeds
'richItemRenderer': (extract_entries, 'contents'), # for hashtag
}
continuation_items = try_get(
@@ -2955,13 +2946,30 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
self._entries(selected_tab, identity_token, playlist_id),
**metadata)
def _extract_mix_playlist(self, playlist, playlist_id):
page_num = 0
while True:
videos = list(self._playlist_entries(playlist))
if not videos:
return
video_count = len(videos)
start = min(video_count - 24, 26) if video_count > 25 else 0
for item in videos[start:]:
yield item
page_num += 1
_, data = self._extract_webpage(
'https://www.youtube.com/watch?list=%s&v=%s' % (playlist_id, videos[-1]['id']),
'%s page %d' % (playlist_id, page_num))
playlist = try_get(
data, lambda x: x['contents']['twoColumnWatchNextResults']['playlist']['playlist'], dict)
def _extract_from_playlist(self, item_id, url, data, playlist):
title = playlist.get('title') or try_get(
data, lambda x: x['titleText']['simpleText'], compat_str)
playlist_id = playlist.get('playlistId') or item_id
# Inline playlist rendition continuation does not always work
# at Youtube side, so delegating regular tab-based playlist URL
# processing whenever possible.
# Delegating everything except mix playlists to regular tab-based playlist URL
playlist_url = urljoin(url, try_get(
playlist, lambda x: x['endpoint']['commandMetadata']['webCommandMetadata']['url'],
compat_str))
@@ -2969,9 +2977,10 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
return self.url_result(
playlist_url, ie=YoutubeTabIE.ie_key(), video_id=playlist_id,
video_title=title)
return self.playlist_result(
self._playlist_entries(playlist), playlist_id=playlist_id,
playlist_title=title)
self._extract_mix_playlist(playlist, playlist_id),
playlist_id=playlist_id, playlist_title=title)
@staticmethod
def _extract_alerts(data):
@@ -3001,35 +3010,7 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
r'\bID_TOKEN["\']\s*:\s*["\'](.+?)["\']', webpage,
'identity token', default=None)
def _real_extract(self, url):
item_id = self._match_id(url)
url = compat_urlparse.urlunparse(
compat_urlparse.urlparse(url)._replace(netloc='www.youtube.com'))
is_home = re.match(r'(?P<pre>%s)(?P<post>/?(?![^#?]).*$)' % self._VALID_URL, url)
if is_home is not None and is_home.group('not_channel') is None and item_id != 'feed':
self._downloader.report_warning(
'A channel/user page was given. All the channel\'s videos will be downloaded. '
'To download only the videos in the home page, add a "/featured" to the URL')
url = '%s/videos%s' % (is_home.group('pre'), is_home.group('post') or '')
# Handle both video/playlist URLs
qs = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
video_id = qs.get('v', [None])[0]
playlist_id = qs.get('list', [None])[0]
if is_home is not None and is_home.group('not_channel') is not None and is_home.group('not_channel').startswith('watch') and not video_id:
if playlist_id:
self._downloader.report_warning('%s is not a valid Youtube URL. Trying to download playlist %s' % (url, playlist_id))
url = 'https://www.youtube.com/playlist?list=%s' % playlist_id
# return self.url_result(playlist_id, ie=YoutubePlaylistIE.ie_key())
else:
raise ExtractorError('Unable to recognize tab page')
if video_id and playlist_id:
if self._downloader.params.get('noplaylist'):
self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
return self.url_result(video_id, ie=YoutubeIE.ie_key(), video_id=video_id)
self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
def _extract_webpage(self, url, item_id):
retries = self._downloader.params.get('extractor_retries', 3)
count = -1
last_error = 'Incomplete yt initial data recieved'
@@ -3041,8 +3022,7 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
self.report_warning('%s. Retrying ...' % last_error)
webpage = self._download_webpage(
url, item_id,
'Downloading webpage%s' % ' (retry #%d)' % count if count else '')
identity_token = self._extract_identity_token(webpage, item_id)
'Downloading webpage%s' % (' (retry #%d)' % count if count else ''))
data = self._extract_yt_initial_data(item_id, webpage)
err_msg = None
for alert_type, alert_message in self._extract_alerts(data):
@@ -3058,23 +3038,61 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
break
if count >= retries:
self._downloader.report_error(last_error)
return webpage, data
def _real_extract(self, url):
item_id = self._match_id(url)
url = compat_urlparse.urlunparse(
compat_urlparse.urlparse(url)._replace(netloc='www.youtube.com'))
# This is not matched in a channel page with a tab selected
mobj = re.match(r'(?P<pre>%s)(?P<post>/?(?![^#?]).*$)' % self._VALID_URL, url)
mobj = mobj.groupdict() if mobj else {}
if mobj and not mobj.get('not_channel'):
self._downloader.report_warning(
'A channel/user page was given. All the channel\'s videos will be downloaded. '
'To download only the videos in the home page, add a "/featured" to the URL')
url = '%s/videos%s' % (mobj.get('pre'), mobj.get('post') or '')
# Handle both video/playlist URLs
qs = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
video_id = qs.get('v', [None])[0]
playlist_id = qs.get('list', [None])[0]
if not video_id and (mobj.get('not_channel') or '').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')
self._downloader.report_warning('A video URL was given without video ID. Trying to download playlist %s' % playlist_id)
url = 'https://www.youtube.com/playlist?list=%s' % playlist_id
if video_id and playlist_id:
if self._downloader.params.get('noplaylist'):
self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
return self.url_result(video_id, ie=YoutubeIE.ie_key(), video_id=video_id)
self.to_screen('Downloading playlist %s; add --no-playlist to just download video %s' % (playlist_id, video_id))
webpage, data = self._extract_webpage(url, item_id)
tabs = try_get(
data, lambda x: x['contents']['twoColumnBrowseResultsRenderer']['tabs'], list)
if tabs:
identity_token = self._extract_identity_token(webpage, item_id)
return self._extract_from_tabs(item_id, webpage, data, tabs, identity_token)
playlist = try_get(
data, lambda x: x['contents']['twoColumnWatchNextResults']['playlist']['playlist'], dict)
if playlist:
return self._extract_from_playlist(item_id, url, data, playlist)
# Fallback to video extraction if no playlist alike page is recognized.
# First check for the current video then try the v attribute of URL query.
video_id = try_get(
data, lambda x: x['currentVideoEndpoint']['watchEndpoint']['videoId'],
compat_str) or video_id
if video_id:
self._downloader.report_warning('Unable to recognize playlist. Downloading just video %s' % video_id)
return self.url_result(video_id, ie=YoutubeIE.ie_key(), video_id=video_id)
# Failed to recognize
raise ExtractorError('Unable to recognize tab page')
@@ -3338,7 +3356,6 @@ class YoutubeFeedsInfoExtractor(YoutubeTabIE):
Subclasses must define the _FEED_NAME property.
"""
_LOGIN_REQUIRED = True
# _MAX_PAGES = 5
_TESTS = []
@property