From 6edfc40a0e7a85f7b2ec1721fcad4073e5f58ee2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sergey=20M=E2=80=A4?= Date: Sun, 16 Oct 2016 00:07:40 +0700 Subject: [PATCH] [lynda] Add fallback extraction scenario --- youtube_dl/extractor/lynda.py | 62 ++++++++++++++++++++++++++++++++--- 1 file changed, 57 insertions(+), 5 deletions(-) diff --git a/youtube_dl/extractor/lynda.py b/youtube_dl/extractor/lynda.py index 1f075b6de..666b1c452 100644 --- a/youtube_dl/extractor/lynda.py +++ b/youtube_dl/extractor/lynda.py @@ -94,7 +94,7 @@ class LyndaBaseIE(InfoExtractor): class LyndaIE(LyndaBaseIE): IE_NAME = 'lynda' IE_DESC = 'lynda.com videos' - _VALID_URL = r'https?://(?:www\.)?lynda\.com/(?:[^/]+/[^/]+/\d+|player/embed)/(?P\d+)' + _VALID_URL = r'https?://(?:www\.)?lynda\.com/(?:[^/]+/[^/]+/(?P\d+)|player/embed)/(?P\d+)' _TIMECODE_REGEX = r'\[(?P\d+:\d+:\d+[\.,]\d+)\]' @@ -112,19 +112,71 @@ class LyndaIE(LyndaBaseIE): 'only_matching': True, }] + def _raise_unavailable(self, video_id): + self.raise_login_required( + 'Video %s is only available for members' % video_id) + def _real_extract(self, url): - video_id = self._match_id(url) + mobj = re.match(self._VALID_URL, url) + video_id = mobj.group('id') + course_id = mobj.group('course_id') + + query = { + 'videoId': video_id, + 'type': 'video', + } video = self._download_json( - 'https://www.lynda.com/ajax/player?videoId=%s&type=video' % video_id, - video_id, 'Downloading video JSON') + 'https://www.lynda.com/ajax/player', video_id, + 'Downloading video JSON', fatal=False, query=query) + + # Fallback scenario + if not video: + query['courseId'] = course_id + + play = self._download_json( + 'https://www.lynda.com/ajax/course/%s/%s/play' + % (course_id, video_id), video_id, 'Downloading play JSON') + + if not play: + self._raise_unavailable(video_id) + + formats = [] + for formats_dict in play: + urls = formats_dict.get('urls') + if not isinstance(urls, dict): + continue + cdn = formats_dict.get('name') + for format_id, format_url in urls.items(): + if not format_url: + continue + formats.append({ + 'url': format_url, + 'format_id': '%s-%s' % (cdn, format_id) if cdn else format_id, + 'height': int_or_none(format_id), + }) + self._sort_formats(formats) + + conviva = self._download_json( + 'https://www.lynda.com/ajax/player/conviva', video_id, + 'Downloading conviva JSON', query=query) + + return { + 'id': video_id, + 'title': conviva['VideoTitle'], + 'description': conviva.get('VideoDescription'), + 'release_year': int_or_none(conviva.get('ReleaseYear')), + 'duration': int_or_none(conviva.get('Duration')), + 'creator': conviva.get('Author'), + 'formats': formats, + } if 'Status' in video: raise ExtractorError( 'lynda returned error: %s' % video['Message'], expected=True) if video.get('HasAccess') is False: - self.raise_login_required('Video %s is only available for members' % video_id) + self._raise_unavailable(video_id) video_id = compat_str(video.get('ID') or video_id) duration = int_or_none(video.get('DurationInSeconds'))