diff options
| -rw-r--r-- | youtube_dl/extractor/udemy.py | 79 |
1 files changed, 58 insertions, 21 deletions
diff --git a/youtube_dl/extractor/udemy.py b/youtube_dl/extractor/udemy.py index cce29c6e0..dae1aa3c6 100644 --- a/youtube_dl/extractor/udemy.py +++ b/youtube_dl/extractor/udemy.py @@ -212,12 +212,15 @@ class UdemyIE(InfoExtractor): thumbnail = asset.get('thumbnail_url') or asset.get('thumbnailUrl') duration = float_or_none(asset.get('data', {}).get('duration')) + subtitles = {} + automatic_captions = {} + formats = [] - def extract_output_format(src): + def extract_output_format(src, f_id): return { 'url': src['url'], - 'format_id': '%sp' % (src.get('height') or format_id), + 'format_id': '%sp' % (src.get('height') or f_id), 'width': int_or_none(src.get('width')), 'height': int_or_none(src.get('height')), 'vbr': int_or_none(src.get('video_bitrate_in_kbps')), @@ -237,30 +240,33 @@ class UdemyIE(InfoExtractor): def add_output_format_meta(f, key): output = outputs.get(key) if isinstance(output, dict): - output_format = extract_output_format(output) + output_format = extract_output_format(output, key) output_format.update(f) return output_format return f + def extract_formats(source_list): + if not isinstance(source_list, list): + return + for source in source_list: + video_url = source.get('file') or source.get('src') + if not video_url or not isinstance(video_url, compat_str): + continue + format_id = source.get('label') + f = { + 'url': video_url, + 'format_id': '%sp' % format_id, + 'height': int_or_none(format_id), + } + if format_id: + # Some videos contain additional metadata (e.g. + # https://www.udemy.com/ios9-swift/learn/#/lecture/3383208) + f = add_output_format_meta(f, format_id) + formats.append(f) + download_urls = asset.get('download_urls') if isinstance(download_urls, dict): - video = download_urls.get('Video') - if isinstance(video, list): - for format_ in video: - video_url = format_.get('file') - if not video_url: - continue - format_id = format_.get('label') - f = { - 'url': format_['file'], - 'format_id': '%sp' % format_id, - 'height': int_or_none(format_id), - } - if format_id: - # Some videos contain additional metadata (e.g. - # https://www.udemy.com/ios9-swift/learn/#/lecture/3383208) - f = add_output_format_meta(f, format_id) - formats.append(f) + extract_formats(download_urls.get('Video')) view_html = lecture.get('view_html') if view_html: @@ -294,6 +300,35 @@ class UdemyIE(InfoExtractor): 'height': height, }, res)) + # react rendition since 2017.04.15 (see + # https://github.com/rg3/youtube-dl/issues/12744) + data = self._parse_json( + self._search_regex( + r'videojs-setup-data=(["\'])(?P<data>{.+?})\1', view_html, + 'setup data', default='{}', group='data'), video_id, + transform_source=unescapeHTML, fatal=False) + if data and isinstance(data, dict): + extract_formats(data.get('sources')) + if not duration: + duration = int_or_none(data.get('duration')) + tracks = data.get('tracks') + if isinstance(tracks, list): + for track in tracks: + if not isinstance(track, dict): + continue + if track.get('kind') != 'captions': + continue + src = track.get('src') + if not src or not isinstance(src, compat_str): + continue + lang = track.get('language') or track.get( + 'srclang') or track.get('label') + sub_dict = automatic_captions if track.get( + 'autogenerated') is True else subtitles + sub_dict.setdefault(lang, []).append({ + 'url': src, + }) + self._sort_formats(formats, field_preference=('height', 'width', 'tbr', 'format_id')) return { @@ -302,7 +337,9 @@ class UdemyIE(InfoExtractor): 'description': description, 'thumbnail': thumbnail, 'duration': duration, - 'formats': formats + 'formats': formats, + 'subtitles': subtitles, + 'automatic_captions': automatic_captions, } |