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[youtube:tab] Ignore query when redirecting channel to playlist
and cleanup of related code Closes #2046
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pukkandan
@@ -4223,7 +4223,7 @@ class YoutubeTabIE(YoutubeTabBaseInfoExtractor):
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info_dict['entries'] = self._smuggle_data(info_dict['entries'], smuggled_data)
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return info_dict
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_url_re = re.compile(r'(?P<pre>%s)(?(channel_type)(?P<tab>/\w+))?(?P<post>.*)$' % _VALID_URL)
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_URL_RE = re.compile(rf'(?P<pre>{_VALID_URL})(?(channel_type)(?P<tab>/\w+))?(?P<post>.*)$')
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def __real_extract(self, url, smuggled_data):
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item_id = self._match_id(url)
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@@ -4232,36 +4232,33 @@ class YoutubeTabIE(YoutubeTabBaseInfoExtractor):
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compat_opts = self.get_param('compat_opts', [])
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def get_mobj(url):
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mobj = self._url_re.match(url).groupdict()
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mobj = self._URL_RE.match(url).groupdict()
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mobj.update((k, '') for k, v in mobj.items() if v is None)
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return mobj
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mobj = get_mobj(url)
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mobj, redirect_warning = get_mobj(url), None
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# Youtube returns incomplete data if tabname is not lower case
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pre, tab, post, is_channel = mobj['pre'], mobj['tab'].lower(), mobj['post'], not mobj['not_channel']
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if is_channel:
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if smuggled_data.get('is_music_url'):
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if item_id[:2] == 'VL':
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# Youtube music VL channels have an equivalent playlist
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if item_id[:2] == 'VL': # Youtube music VL channels have an equivalent playlist
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item_id = item_id[2:]
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pre, tab, post, is_channel = 'https://www.youtube.com/playlist?list=%s' % item_id, '', '', False
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elif item_id[:2] == 'MP':
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# Resolve albums (/[channel/browse]/MP...) to their equivalent playlist
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pre, tab, post, is_channel = f'https://www.youtube.com/playlist?list={item_id}', '', '', False
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elif item_id[:2] == 'MP': # Resolve albums (/[channel/browse]/MP...) to their equivalent playlist
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mdata = self._extract_tab_endpoint(
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'https://music.youtube.com/channel/%s' % item_id, item_id, default_client='web_music')
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murl = traverse_obj(
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mdata, ('microformat', 'microformatDataRenderer', 'urlCanonical'), get_all=False, expected_type=compat_str)
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f'https://music.youtube.com/channel/{item_id}', item_id, default_client='web_music')
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murl = traverse_obj(mdata, ('microformat', 'microformatDataRenderer', 'urlCanonical'),
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get_all=False, expected_type=compat_str)
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if not murl:
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raise ExtractorError('Failed to resolve album to playlist.')
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raise ExtractorError('Failed to resolve album to playlist')
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return self.url_result(murl, ie=YoutubeTabIE.ie_key())
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elif mobj['channel_type'] == 'browse':
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# Youtube music /browse/ should be changed to /channel/
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pre = 'https://www.youtube.com/channel/%s' % item_id
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elif mobj['channel_type'] == 'browse': # Youtube music /browse/ should be changed to /channel/
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pre = f'https://www.youtube.com/channel/{item_id}'
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if is_channel and not tab and 'no-youtube-channel-redirect' not in compat_opts:
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# Home URLs should redirect to /videos/
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self.report_warning(
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'A channel/user page was given. All the channel\'s videos will be downloaded. '
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'To download only the videos in the home page, add a "/featured" to the URL')
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redirect_warning = ('A channel/user page was given. All the channel\'s videos will be downloaded. '
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'To download only the videos in the home page, add a "/featured" to the URL')
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tab = '/videos'
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url = ''.join((pre, tab, post))
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@@ -4269,28 +4266,27 @@ class YoutubeTabIE(YoutubeTabBaseInfoExtractor):
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# Handle both video/playlist URLs
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qs = parse_qs(url)
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video_id = qs.get('v', [None])[0]
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playlist_id = qs.get('list', [None])[0]
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video_id, playlist_id = [qs.get(key, [None])[0] for key in ('v', 'list')]
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if not video_id and mobj['not_channel'].startswith('watch'):
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if not playlist_id:
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# If there is neither video or playlist ids, youtube redirects to home page, which is undesirable
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raise ExtractorError('Unable to recognize tab page')
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# Common mistake: https://www.youtube.com/watch?list=playlist_id
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self.report_warning('A video URL was given without video ID. Trying to download playlist %s' % playlist_id)
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url = 'https://www.youtube.com/playlist?list=%s' % playlist_id
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self.report_warning(f'A video URL was given without video ID. Trying to download playlist {playlist_id}')
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url = f'https://www.youtube.com/playlist?list={playlist_id}'
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mobj = get_mobj(url)
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if video_id and playlist_id:
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if self.get_param('noplaylist'):
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self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
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return self.url_result(f'https://www.youtube.com/watch?v={video_id}', ie=YoutubeIE.ie_key(), video_id=video_id)
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self.to_screen('Downloading playlist %s; add --no-playlist to just download video %s' % (playlist_id, video_id))
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self.to_screen(f'Downloading just video {video_id} because of --no-playlist')
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return self.url_result(f'https://www.youtube.com/watch?v={video_id}',
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ie=YoutubeIE.ie_key(), video_id=video_id)
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self.to_screen(f'Downloading playlist {playlist_id}; add --no-playlist to just download video {video_id}')
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data, ytcfg = self._extract_data(url, item_id)
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tabs = try_get(
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data, lambda x: x['contents']['twoColumnBrowseResultsRenderer']['tabs'], list)
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tabs = traverse_obj(data, ('contents', 'twoColumnBrowseResultsRenderer', 'tabs'), expected_type=list)
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if tabs:
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selected_tab = self._extract_selected_tab(tabs)
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tab_name = selected_tab.get('title', '')
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@@ -4299,41 +4295,45 @@ class YoutubeTabIE(YoutubeTabBaseInfoExtractor):
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# Live tab should have redirected to the video
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raise ExtractorError('The channel is not currently live', expected=True)
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if mobj['tab'] == '/videos' and tab_name.lower() != mobj['tab'][1:]:
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redirect_warning = f'The URL does not have a {mobj["tab"][1:]} tab'
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if not mobj['not_channel'] and item_id[:2] == 'UC':
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# Topic channels don't have /videos. Use the equivalent playlist instead
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self.report_warning('The URL does not have a %s tab. Trying to redirect to playlist UU%s instead' % (mobj['tab'][1:], item_id[2:]))
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pl_id = 'UU%s' % item_id[2:]
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pl_url = 'https://www.youtube.com/playlist?list=%s%s' % (pl_id, mobj['post'])
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pl_id = f'UU{item_id[2:]}'
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pl_url = f'https://www.youtube.com/playlist?list={pl_id}'
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try:
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data, ytcfg, item_id, url = *self._extract_data(pl_url, pl_id, ytcfg=ytcfg, fatal=True), pl_id, pl_url
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data, ytcfg = self._extract_data(pl_url, pl_id, ytcfg=ytcfg, fatal=True)
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except ExtractorError:
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self.report_warning('The playlist gave error. Falling back to channel URL')
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else:
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self.report_warning('The URL does not have a %s tab. %s is being downloaded instead' % (mobj['tab'][1:], tab_name))
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redirect_warning += ' and the playlist redirect gave error'
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else:
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item_id, url, tab_name = pl_id, pl_url, mobj['tab'][1:]
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redirect_warning += f'. Redirecting to playlist {pl_id} instead'
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if tab_name.lower() != mobj['tab'][1:]:
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redirect_warning += f'. {tab_name} tab is being downloaded instead'
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self.write_debug('Final URL: %s' % url)
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if redirect_warning:
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self.report_warning(redirect_warning)
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self.write_debug(f'Final URL: {url}')
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# YouTube sometimes provides a button to reload playlist with unavailable videos.
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if 'no-youtube-unavailable-videos' not in compat_opts:
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data = self._reload_with_unavailable_videos(item_id, data, ytcfg) or data
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self._extract_and_report_alerts(data, only_once=True)
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tabs = try_get(
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data, lambda x: x['contents']['twoColumnBrowseResultsRenderer']['tabs'], list)
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tabs = traverse_obj(data, ('contents', 'twoColumnBrowseResultsRenderer', 'tabs'), expected_type=list)
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if tabs:
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return self._extract_from_tabs(item_id, ytcfg, data, tabs)
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playlist = try_get(
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data, lambda x: x['contents']['twoColumnWatchNextResults']['playlist']['playlist'], dict)
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playlist = traverse_obj(
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data, ('contents', 'twoColumnWatchNextResults', 'playlist', 'playlist'), expected_type=dict)
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if playlist:
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return self._extract_from_playlist(item_id, url, data, playlist, ytcfg)
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video_id = try_get(
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data, lambda x: x['currentVideoEndpoint']['watchEndpoint']['videoId'],
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compat_str) or video_id
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video_id = traverse_obj(
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data, ('currentVideoEndpoint', 'watchEndpoint', 'videoId'), expected_type=str) or video_id
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if video_id:
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if mobj['tab'] != '/live': # live tab is expected to redirect to video
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self.report_warning('Unable to recognize playlist. Downloading just video %s' % video_id)
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return self.url_result(f'https://www.youtube.com/watch?v={video_id}', ie=YoutubeIE.ie_key(), video_id=video_id)
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self.report_warning(f'Unable to recognize playlist. Downloading just video {video_id}')
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return self.url_result(f'https://www.youtube.com/watch?v={video_id}',
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ie=YoutubeIE.ie_key(), video_id=video_id)
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raise ExtractorError('Unable to recognize tab page')
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