diff options
Diffstat (limited to 'youtube_dl/extractor/udemy.py')
| -rw-r--r-- | youtube_dl/extractor/udemy.py | 113 |
1 files changed, 86 insertions, 27 deletions
diff --git a/youtube_dl/extractor/udemy.py b/youtube_dl/extractor/udemy.py index cce29c6e0..195f5ce78 100644 --- a/youtube_dl/extractor/udemy.py +++ b/youtube_dl/extractor/udemy.py @@ -15,6 +15,7 @@ from ..utils import ( ExtractorError, float_or_none, int_or_none, + js_to_json, sanitized_Request, unescapeHTML, urlencode_postdata, @@ -52,16 +53,20 @@ class UdemyIE(InfoExtractor): # new URL schema 'url': 'https://www.udemy.com/electric-bass-right-from-the-start/learn/v4/t/lecture/4580906', 'only_matching': True, + }, { + # no url in outputs format entry + 'url': 'https://www.udemy.com/learn-web-development-complete-step-by-step-guide-to-success/learn/v4/t/lecture/4125812', + 'only_matching': True, }] def _extract_course_info(self, webpage, video_id): course = self._parse_json( unescapeHTML(self._search_regex( - r'ng-init=["\'].*\bcourse=({.+?});', webpage, 'course', default='{}')), + r'ng-init=["\'].*\bcourse=({.+?})[;"\']', + webpage, 'course', default='{}')), video_id, fatal=False) or {} course_id = course.get('id') or self._search_regex( - (r'"id"\s*:\s*(\d+)', r'data-course-id=["\'](\d+)'), - webpage, 'course id') + r'data-course-id=["\'](\d+)', webpage, 'course id') return course_id, course.get('title') def _enroll_course(self, base_url, webpage, course_id): @@ -69,7 +74,7 @@ class UdemyIE(InfoExtractor): return compat_urlparse.urljoin(base_url, url) if not url.startswith('http') else url checkout_url = unescapeHTML(self._search_regex( - r'href=(["\'])(?P<url>(?:https?://(?:www\.)?udemy\.com)?/payment/checkout/.+?)\1', + r'href=(["\'])(?P<url>(?:https?://(?:www\.)?udemy\.com)?/(?:payment|cart)/checkout/.+?)\1', webpage, 'checkout url', group='url', default=None)) if checkout_url: raise ExtractorError( @@ -159,7 +164,7 @@ class UdemyIE(InfoExtractor): }) response = self._download_webpage( - self._LOGIN_URL, None, 'Logging in as %s' % username, + self._LOGIN_URL, None, 'Logging in', data=urlencode_postdata(login_form), headers={ 'Referer': self._ORIGIN_URL, @@ -212,12 +217,15 @@ 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), + 'url': src.get('url'), + '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 +245,57 @@ 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 + if source.get('type') == 'application/x-mpegURL' or determine_ext(video_url) == 'm3u8': + formats.extend(self._extract_m3u8_formats( + video_url, video_id, 'mp4', entry_protocol='m3u8_native', + m3u8_id='hls', fatal=False)) + 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) + + def extract_subtitles(track_list): + if not isinstance(track_list, list): + return + for track in track_list: + 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, + }) + 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 +329,28 @@ 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')) + extract_subtitles(data.get('tracks')) + + if not subtitles and not automatic_captions: + text_tracks = self._parse_json( + self._search_regex( + r'text-tracks=(["\'])(?P<data>\[.+?\])\1', view_html, + 'text tracks', default='{}', group='data'), video_id, + transform_source=lambda s: js_to_json(unescapeHTML(s)), + fatal=False) + extract_subtitles(text_tracks) + self._sort_formats(formats, field_preference=('height', 'width', 'tbr', 'format_id')) return { @@ -302,7 +359,9 @@ class UdemyIE(InfoExtractor): 'description': description, 'thumbnail': thumbnail, 'duration': duration, - 'formats': formats + 'formats': formats, + 'subtitles': subtitles, + 'automatic_captions': automatic_captions, } |