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Merge pull request #57 from insaneracist/youtube-mix-fix
[youtube] fix: extract mix playlist ids from ytInitialData (#33)
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commit
7166f47b18
@ -279,6 +279,15 @@ def _download_webpage_handle(self, *args, **kwargs):
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return super(YoutubeBaseInfoExtractor, self)._download_webpage_handle(
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*args, **compat_kwargs(kwargs))
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def _get_yt_initial_data(self, video_id, webpage):
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config = self._search_regex(
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(r'window\["ytInitialData"\]\s*=\s*(.*?)(?<=});',
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r'var\s+ytInitialData\s*=\s*(.*?)(?<=});'),
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webpage, 'ytInitialData', default=None)
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if config:
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return self._parse_json(
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uppercase_escape(config), video_id, fatal=False)
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def _real_initialize(self):
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if self._downloader is None:
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return
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@ -1398,15 +1407,6 @@ def _get_ytplayer_config(self, video_id, webpage):
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return self._parse_json(
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uppercase_escape(config), video_id, fatal=False)
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def _get_yt_initial_data(self, video_id, webpage):
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config = self._search_regex(
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(r'window\["ytInitialData"\]\s*=\s*(.*?)(?<=});',
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r'var\s+ytInitialData\s*=\s*(.*?)(?<=});'),
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webpage, 'ytInitialData', default=None)
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if config:
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return self._parse_json(
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uppercase_escape(config), video_id, fatal=False)
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def _get_music_metadata_from_yt_initial(self, yt_initial):
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music_metadata = []
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key_map = {
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@ -2828,6 +2828,16 @@ def extract_videos_from_page(self, page):
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return zip(ids_in_page, titles_in_page)
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def _extract_mix_ids_from_yt_initial(self, yt_initial):
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ids = []
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playlist_contents = try_get(yt_initial, lambda x: x['contents']['twoColumnWatchNextResults']['playlist']['playlist']['contents'], list)
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if playlist_contents:
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for item in playlist_contents:
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videoId = try_get(item, lambda x: x['playlistPanelVideoRenderer']['videoId'], compat_str)
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if videoId:
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ids.append(videoId)
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return ids
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def _extract_mix(self, playlist_id):
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# The mixes are generated from a single video
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# the id of the playlist is just 'RD' + video_id
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@ -2841,6 +2851,13 @@ def _extract_mix(self, playlist_id):
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r'''(?xs)data-video-username=".*?".*?
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href="/watch\?v=([0-9A-Za-z_-]{11})&[^"]*?list=%s''' % re.escape(playlist_id),
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webpage))
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# if no ids in html of page, try using embedded json
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if (len(new_ids) == 0):
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yt_initial = self._get_yt_initial_data(playlist_id, webpage)
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if yt_initial:
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new_ids = self._extract_mix_ids_from_yt_initial(yt_initial)
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# Fetch new pages until all the videos are repeated, it seems that
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# there are always 51 unique videos.
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new_ids = [_id for _id in new_ids if _id not in ids]
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