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[youtube] /live
URLs should raise error if channel is not live
Fixes: https://github.com/ytdl-org/youtube-dl/issues/29090
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@ -128,7 +128,7 @@ ### Differences in default behavior
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* `playlist_index` behaves differently when used with options like `--playlist-reverse` and `--playlist-items`. See [#302](https://github.com/yt-dlp/yt-dlp/issues/302) for details. You can use `--compat-options playlist-index` if you want to keep the earlier behavior
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* The output of `-F` is listed in a new format. Use `--compat-options list-formats` to revert this
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* Youtube live chat (if available) is considered as a subtitle. Use `--sub-langs all,-live_chat` to download all subtitles except live chat. You can also use `--compat-options no-live-chat` to prevent live chat from downloading
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* Youtube channel URLs are automatically redirected to `/video`. Either append a `/featured` to the URL or use `--compat-options no-youtube-channel-redirect` to download only the videos in the home page
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* Youtube channel URLs are automatically redirected to `/video`. Append a `/featured` to the URL to download only the videos in the home page. If the channel does not have a videos tab, we try to download the equivalent `UU` playlist instead. Also, `/live` URLs raise an error if there are no live videos instead of silently downloading the entire channel. You may use `--compat-options no-youtube-channel-redirect` to revert all these redirections
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* Unavailable videos are also listed for youtube playlists. Use `--compat-options no-youtube-unavailable-videos` to remove this
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For ease of use, a few more compat options are available:
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@ -2854,6 +2854,10 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
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}, {
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'url': 'https://www.youtube.com/c/CommanderVideoHq/live',
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'only_matching': True,
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}, {
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'note': 'A channel that is not live. Should raise error',
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'url': 'https://www.youtube.com/user/numberphile/live',
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'only_matching': True,
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}, {
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'url': 'https://www.youtube.com/feed/trending',
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'only_matching': True,
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@ -3710,23 +3714,26 @@ def get_mobj(url):
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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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if (mobj['tab'] == '/videos' and tab_name.lower() != mobj['tab'][1:]
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and 'no-youtube-channel-redirect' not in compat_opts):
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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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try:
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pl_webpage, pl_data = self._extract_webpage(pl_url, pl_id)
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for alert_type, alert_message in self._extract_alerts(pl_data):
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if alert_type == 'error':
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raise ExtractorError('Youtube said: %s' % alert_message)
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item_id, url, webpage, data = pl_id, pl_url, pl_webpage, pl_data
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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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if 'no-youtube-channel-redirect' not in compat_opts:
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if mobj['tab'] == '/live':
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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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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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try:
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pl_webpage, pl_data = self._extract_webpage(pl_url, pl_id)
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for alert_type, alert_message in self._extract_alerts(pl_data):
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if alert_type == 'error':
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raise ExtractorError('Youtube said: %s' % alert_message)
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item_id, url, webpage, data = pl_id, pl_url, pl_webpage, pl_data
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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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self.write_debug('Final URL: %s' % url)
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@ -3749,7 +3756,8 @@ def get_mobj(url):
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data, lambda x: x['currentVideoEndpoint']['watchEndpoint']['videoId'],
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compat_str) or video_id
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if video_id:
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self.report_warning('Unable to recognize playlist. Downloading just video %s' % 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(video_id, ie=YoutubeIE.ie_key(), video_id=video_id)
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raise ExtractorError('Unable to recognize tab page')
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