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https://gitlab.com/dstftw/youtube-dl.git
synced 2020-11-16 09:42:26 +00:00
[youtube] Move metadata extraction after video availability check
This commit is contained in:
Sergey M․
parent
936784b272
commit
7e72694b5e
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@ -530,7 +530,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/justintimberlakeVEVO',
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'license': 'Standard YouTube License',
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'creator': 'Justin Timberlake',
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'track': 'Tunnel Vision`',
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'track': 'Tunnel Vision',
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'artist': 'Justin Timberlake',
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'age_limit': 18,
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}
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@ -1698,136 +1698,6 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
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raise ExtractorError('"rental" videos not supported. See https://github.com/rg3/youtube-dl/issues/359 for more information.', expected=True)
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# Start extracting information
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self.report_information_extraction(video_id)
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# uploader
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video_uploader = try_get(video_info, lambda x: x['author'][0], compat_str)
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if video_uploader:
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video_uploader = compat_urllib_parse_unquote_plus(video_uploader)
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else:
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self._downloader.report_warning('unable to extract uploader name')
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# uploader_id
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video_uploader_id = None
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video_uploader_url = None
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mobj = re.search(
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r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">',
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video_webpage)
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if mobj is not None:
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video_uploader_id = mobj.group('uploader_id')
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video_uploader_url = mobj.group('uploader_url')
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else:
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self._downloader.report_warning('unable to extract uploader nickname')
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# thumbnail image
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# We try first to get a high quality image:
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m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
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video_webpage, re.DOTALL)
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if m_thumb is not None:
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video_thumbnail = m_thumb.group(1)
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elif 'thumbnail_url' not in video_info:
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self._downloader.report_warning('unable to extract video thumbnail')
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video_thumbnail = None
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else: # don't panic if we can't find it
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video_thumbnail = compat_urllib_parse_unquote_plus(video_info['thumbnail_url'][0])
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# upload date
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upload_date = self._html_search_meta(
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'datePublished', video_webpage, 'upload date', default=None)
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if not upload_date:
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upload_date = self._search_regex(
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[r'(?s)id="eow-date.*?>(.*?)</span>',
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r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'],
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video_webpage, 'upload date', default=None)
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upload_date = unified_strdate(upload_date)
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video_license = self._html_search_regex(
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r'<h4[^>]+class="title"[^>]*>\s*License\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li',
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video_webpage, 'license', default=None)
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m_music = re.search(
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r'''(?x)
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<h4[^>]+class="title"[^>]*>\s*Music\s*</h4>\s*
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<ul[^>]*>\s*
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<li>(?P<title>.+?)
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by (?P<creator>.+?)
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(?:
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\(.+?\)|
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<a[^>]*
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(?:
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\bhref=["\']/red[^>]*>| # drop possible
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>\s*Listen ad-free with YouTube Red # YouTube Red ad
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)
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.*?
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)?</li
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''',
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video_webpage)
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if m_music:
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video_alt_title = remove_quotes(unescapeHTML(m_music.group('title')))
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video_creator = clean_html(m_music.group('creator'))
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else:
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video_alt_title = video_creator = None
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def extract_meta(field):
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return self._html_search_regex(
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r'<h4[^>]+class="title"[^>]*>\s*%s\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li>\s*' % field,
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video_webpage, field, default=None)
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track = extract_meta('Song')
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artist = extract_meta('Artist')
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m_episode = re.search(
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r'<div[^>]+id="watch7-headline"[^>]*>\s*<span[^>]*>.*?>(?P<series>[^<]+)</a></b>\s*S(?P<season>\d+)\s*•\s*E(?P<episode>\d+)</span>',
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video_webpage)
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if m_episode:
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series = m_episode.group('series')
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season_number = int(m_episode.group('season'))
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episode_number = int(m_episode.group('episode'))
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else:
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series = season_number = episode_number = None
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m_cat_container = self._search_regex(
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r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
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video_webpage, 'categories', default=None)
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if m_cat_container:
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category = self._html_search_regex(
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r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
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default=None)
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video_categories = None if category is None else [category]
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else:
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video_categories = None
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video_tags = [
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unescapeHTML(m.group('content'))
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for m in re.finditer(self._meta_regex('og:video:tag'), video_webpage)]
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def _extract_count(count_name):
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return str_to_int(self._search_regex(
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r'-%s-button[^>]+><span[^>]+class="yt-uix-button-content"[^>]*>([\d,]+)</span>'
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% re.escape(count_name),
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video_webpage, count_name, default=None))
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like_count = _extract_count('like')
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dislike_count = _extract_count('dislike')
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# subtitles
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video_subtitles = self.extract_subtitles(video_id, video_webpage)
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automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
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video_duration = try_get(
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video_info, lambda x: int_or_none(x['length_seconds'][0]))
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if not video_duration:
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video_duration = parse_duration(self._html_search_meta(
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'duration', video_webpage, 'video duration'))
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# annotations
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video_annotations = None
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if self._downloader.params.get('writeannotations', False):
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video_annotations = self._extract_annotations(video_id)
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chapters = self._extract_chapters(description_original, video_duration)
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def _extract_filesize(media_url):
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return int_or_none(self._search_regex(
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r'\bclen[=/](\d+)', media_url, 'filesize', default=None))
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@ -2002,6 +1872,133 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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raise ExtractorError(error_message, expected=True)
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raise ExtractorError('no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
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# uploader
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video_uploader = try_get(video_info, lambda x: x['author'][0], compat_str)
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if video_uploader:
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video_uploader = compat_urllib_parse_unquote_plus(video_uploader)
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else:
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self._downloader.report_warning('unable to extract uploader name')
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# uploader_id
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video_uploader_id = None
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video_uploader_url = None
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mobj = re.search(
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r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">',
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video_webpage)
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if mobj is not None:
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video_uploader_id = mobj.group('uploader_id')
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video_uploader_url = mobj.group('uploader_url')
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else:
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self._downloader.report_warning('unable to extract uploader nickname')
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# thumbnail image
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# We try first to get a high quality image:
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m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
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video_webpage, re.DOTALL)
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if m_thumb is not None:
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video_thumbnail = m_thumb.group(1)
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elif 'thumbnail_url' not in video_info:
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self._downloader.report_warning('unable to extract video thumbnail')
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video_thumbnail = None
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else: # don't panic if we can't find it
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video_thumbnail = compat_urllib_parse_unquote_plus(video_info['thumbnail_url'][0])
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# upload date
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upload_date = self._html_search_meta(
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'datePublished', video_webpage, 'upload date', default=None)
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if not upload_date:
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upload_date = self._search_regex(
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[r'(?s)id="eow-date.*?>(.*?)</span>',
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r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'],
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video_webpage, 'upload date', default=None)
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upload_date = unified_strdate(upload_date)
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video_license = self._html_search_regex(
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r'<h4[^>]+class="title"[^>]*>\s*License\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li',
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video_webpage, 'license', default=None)
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m_music = re.search(
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r'''(?x)
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<h4[^>]+class="title"[^>]*>\s*Music\s*</h4>\s*
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<ul[^>]*>\s*
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<li>(?P<title>.+?)
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by (?P<creator>.+?)
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(?:
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\(.+?\)|
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<a[^>]*
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(?:
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\bhref=["\']/red[^>]*>| # drop possible
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>\s*Listen ad-free with YouTube Red # YouTube Red ad
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)
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.*?
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)?</li
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''',
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video_webpage)
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if m_music:
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video_alt_title = remove_quotes(unescapeHTML(m_music.group('title')))
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video_creator = clean_html(m_music.group('creator'))
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else:
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video_alt_title = video_creator = None
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def extract_meta(field):
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return self._html_search_regex(
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r'<h4[^>]+class="title"[^>]*>\s*%s\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li>\s*' % field,
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video_webpage, field, default=None)
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track = extract_meta('Song')
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artist = extract_meta('Artist')
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m_episode = re.search(
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r'<div[^>]+id="watch7-headline"[^>]*>\s*<span[^>]*>.*?>(?P<series>[^<]+)</a></b>\s*S(?P<season>\d+)\s*•\s*E(?P<episode>\d+)</span>',
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video_webpage)
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if m_episode:
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series = m_episode.group('series')
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season_number = int(m_episode.group('season'))
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episode_number = int(m_episode.group('episode'))
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else:
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series = season_number = episode_number = None
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m_cat_container = self._search_regex(
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r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
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video_webpage, 'categories', default=None)
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if m_cat_container:
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category = self._html_search_regex(
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r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
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default=None)
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video_categories = None if category is None else [category]
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else:
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video_categories = None
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video_tags = [
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unescapeHTML(m.group('content'))
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for m in re.finditer(self._meta_regex('og:video:tag'), video_webpage)]
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def _extract_count(count_name):
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return str_to_int(self._search_regex(
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r'-%s-button[^>]+><span[^>]+class="yt-uix-button-content"[^>]*>([\d,]+)</span>'
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% re.escape(count_name),
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video_webpage, count_name, default=None))
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like_count = _extract_count('like')
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dislike_count = _extract_count('dislike')
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# subtitles
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video_subtitles = self.extract_subtitles(video_id, video_webpage)
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automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
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video_duration = try_get(
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video_info, lambda x: int_or_none(x['length_seconds'][0]))
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if not video_duration:
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video_duration = parse_duration(self._html_search_meta(
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'duration', video_webpage, 'video duration'))
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# annotations
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video_annotations = None
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if self._downloader.params.get('writeannotations', False):
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video_annotations = self._extract_annotations(video_id)
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chapters = self._extract_chapters(description_original, video_duration)
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# Look for the DASH manifest
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if self._downloader.params.get('youtube_include_dash_manifest', True):
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dash_mpd_fatal = True
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