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authorSergey M․ <dstftw@gmail.com>2016-10-16 00:07:40 +0700
committerSergey M․ <dstftw@gmail.com>2016-10-16 00:07:40 +0700
commit6edfc40a0e7a85f7b2ec1721fcad4073e5f58ee2 (patch)
tree1f9f5110eb87a88a8205e2e13189a3473b76581b
parent68d9561ca1d2f32059ab20798720f43da5eacd87 (diff)
[lynda] Add fallback extraction scenario
-rw-r--r--youtube_dl/extractor/lynda.py62
1 files 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<id>\d+)'
+ _VALID_URL = r'https?://(?:www\.)?lynda\.com/(?:[^/]+/[^/]+/(?P<course_id>\d+)|player/embed)/(?P<id>\d+)'
_TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]'
@@ -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'))