commit 822b9d9cb09429645582791dba31f4cbed7583cf
parent 5caabd3c701a484271d197f7006ecf831e38136b
Author: Remita Amine <remitamine@gmail.com>
Date:   Sat, 27 Apr 2019 09:16:17 +0100

[youtube] improve Youtube Music Auto-generated description parsing(closes #20742)

Diffstat:
Myoutube_dl/extractor/youtube.py | 57+++++++++++++++++++++++----------------------------------
1 file changed, 23 insertions(+), 34 deletions(-)

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py @@ -1088,7 +1088,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor): }, }, { - # artist and track fields should return non-null, per issue #20599 + # Youtube Music Auto-generated description 'url': 'https://music.youtube.com/watch?v=MgNrAu2pzNs', 'info_dict': { 'id': 'MgNrAu2pzNs', @@ -1109,11 +1109,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor): }, }, { + # Youtube Music Auto-generated description # Retrieve 'artist' field from 'Artist:' in video description # when it is present on youtube music video - # Some videos have release_date and no release_year - - # (release_year should be extracted from release_date) - # https://github.com/ytdl-org/youtube-dl/pull/20742#issuecomment-485740932 'url': 'https://www.youtube.com/watch?v=k0jLE7tTwjY', 'info_dict': { 'id': 'k0jLE7tTwjY', @@ -1134,6 +1132,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor): }, }, { + # Youtube Music Auto-generated description # handle multiple artists on youtube music video 'url': 'https://www.youtube.com/watch?v=74qn0eJSjpA', 'info_dict': { @@ -1155,6 +1154,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor): }, }, { + # Youtube Music Auto-generated description # handle youtube music video with release_year and no release_date 'url': 'https://www.youtube.com/watch?v=-hcAI0g-f5M', 'info_dict': { @@ -2161,36 +2161,25 @@ class YoutubeIE(YoutubeBaseInfoExtractor): track = extract_meta('Song') artist = extract_meta('Artist') - album = None - release_date = None - release_year = None - - description_info = video_description.split('\n\n') - # If the description of the video has the youtube music auto-generated format, extract additional info - if len(description_info) >= 5 and description_info[-1] == 'Auto-generated by YouTube.': - track_artist = description_info[1].split(' · ') - if len(track_artist) >= 2: - if track is None: - track = track_artist[0] - if artist is None: - artist = re.search(r'Artist: ([^\n]+)', description_info[-2]) - if artist: - artist = artist.group(1) - if artist is None: - artist = track_artist[1] - # handle multiple artists - if len(track_artist) > 2: - for i in range(2, len(track_artist)): - artist += ', %s' % track_artist[i] - release_year = re.search(r'℗ ([0-9]+)', video_description) - if release_year: - release_year = int_or_none(release_year.group(1)) - album = description_info[2] - if description_info[4].startswith('Released on: '): - release_date = description_info[4].split(': ')[1].replace('-', '') - # extract release_year from release_date if necessary - if release_year is None: - release_year = int_or_none(release_date[0:4]) + + # Youtube Music Auto-generated description + album = release_date = release_year = None + if video_description: + mobj = re.search(r'(?s)Provided to YouTube by [^\n]+\n+(?P<track>[^·]+)·(?P<artist>[^\n]+)\n+(?P<album>[^\n]+)(?:.+?℗\s*(?P<release_year>\d{4})(?!\d))?(?:.+?Released on\s*:\s*(?P<release_date>\d{4}-\d{2}-\d{2}))?(.+?\nArtist\s*:\s*(?P<clean_artist>[^\n]+))?', video_description) + if mobj: + if not track: + track = mobj.group('track').strip() + if not artist: + artist = mobj.group('clean_artist') or ', '.join(a.strip() for a in mobj.group('artist').split('·')) + album = mobj.group('album'.strip()) + release_year = mobj.group('release_year') + release_date = mobj.group('release_date') + if release_date: + release_date = release_date.replace('-', '') + if not release_year: + release_year = int(release_date[:4]) + if release_year: + release_year = int(release_year) 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>',