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[lynda] Modernize and make more robust

This commit is contained in:
Sergey M․ 2015-11-06 23:24:39 +06:00
parent 71bb016160
commit ea8ed40b2f
1 changed files with 24 additions and 28 deletions
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46
youtube_dl/extractor/lynda.py
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@ -113,51 +113,47 @@ class LyndaIE(LyndaBaseIE):
def _real_extract(self, url):
video_id = self._match_id(url)
page = self._download_webpage(
video = self._download_json(
'http://www.lynda.com/ajax/player?videoId=%s&type=video' % video_id,
video_id, 'Downloading video JSON')
video_json = json.loads(page)
if 'Status' in video_json:
if 'Status' in video:
raise ExtractorError(
'lynda returned error: %s' % video_json['Message'], expected=True)
'lynda returned error: %s' % video['Message'], expected=True)
if video_json['HasAccess'] is False:
if video.get('HasAccess') is False:
self.raise_login_required('Video %s is only available for members' % video_id)
video_id = compat_str(video_json['ID'])
duration = video_json['DurationInSeconds']
title = video_json['Title']
video_id = compat_str(video.get('ID') or video_id)
duration = int_or_none(video.get('DurationInSeconds'))
title = video['Title']
formats = []
fmts = video_json.get('Formats')
fmts = video.get('Formats')
if fmts:
formats.extend([
{
'url': fmt['Url'],
'ext': fmt['Extension'],
'width': fmt['Width'],
'height': fmt['Height'],
'filesize': fmt['FileSize'],
'format_id': str(fmt['Resolution'])
} for fmt in fmts])
formats.extend([{
'url': f['Url'],
'ext': f.get('Extension'),
'width': int_or_none(f.get('Width')),
'height': int_or_none(f.get('Height')),
'filesize': int_or_none(f.get('FileSize')),
'format_id': compat_str(f.get('Resolution')) if f.get('Resolution') else None,
} for f in fmts if f.get('Url')])
prioritized_streams = video_json.get('PrioritizedStreams')
prioritized_streams = video.get('PrioritizedStreams')
if prioritized_streams:
for prioritized_stream_id, prioritized_stream in prioritized_streams.items():
formats.extend([
{
formats.extend([{
'url': video_url,
'width': int_or_none(format_id),
'format_id': '%s-%s' % (prioritized_stream_id, format_id),
} for format_id, video_url in prioritized_stream.items()
])
} for format_id, video_url in prioritized_stream.items()])
self._check_formats(formats, video_id)
self._sort_formats(formats)
subtitles = self.extract_subtitles(video_id, page)
subtitles = self.extract_subtitles(video_id)
return {
'id': video_id,
@ -188,7 +184,7 @@ class LyndaIE(LyndaBaseIE):
if srt:
return srt
def _get_subtitles(self, video_id, webpage):
def _get_subtitles(self, video_id):
url = 'http://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id
subs = self._download_json(url, None, False)
if subs: