[youtube] Move metadata extraction after video availability check

This commit is contained in:
Sergey M․ 2018-06-03 02:08:38 +07:00
parent 936784b272
commit 7e72694b5e
No known key found for this signature in database
GPG key ID: 2C393E0F18A9236D

View file

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