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[videolecturesnet] Improve playlist extraction
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@ -3,8 +3,14 @@
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import re
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from .common import InfoExtractor
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from ..compat import compat_urlparse
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from ..utils import parse_duration
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from ..compat import (
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compat_HTTPError,
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compat_urlparse,
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)
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from ..utils import (
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ExtractorError,
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parse_duration,
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)
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class VideoLecturesNetIE(InfoExtractor):
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@ -28,17 +34,19 @@ def _real_extract(self, url):
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video_id = self._match_id(url)
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smil_url = 'http://videolectures.net/%s/video/1/smil.xml' % video_id
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smil = self._download_smil(smil_url, video_id, fatal=False)
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# Probably a playlist
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if smil is False:
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webpage = self._download_webpage(url, video_id)
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entries = [
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self.url_result(compat_urlparse.urljoin(url, video_url), 'VideoLecturesNet')
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for _, video_url in re.findall(r'<a[^>]+href=(["\'])(.+?)\1[^>]+id=["\']lec=\d+', webpage)]
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playlist_title = self._html_search_meta('title', webpage, 'title', fatal=True)
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playlist_description = self._html_search_meta('description', webpage, 'description')
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return self.playlist_result(entries, video_id, playlist_title, playlist_description)
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try:
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smil = self._download_smil(smil_url, video_id)
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except ExtractorError as e:
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if isinstance(e.cause, compat_HTTPError) and e.cause.code == 404:
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# Probably a playlist
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webpage = self._download_webpage(url, video_id)
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entries = [
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self.url_result(compat_urlparse.urljoin(url, video_url), 'VideoLecturesNet')
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for _, video_url in re.findall(r'<a[^>]+href=(["\'])(.+?)\1[^>]+id=["\']lec=\d+', webpage)]
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playlist_title = self._html_search_meta('title', webpage, 'title', fatal=True)
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playlist_description = self._html_search_meta('description', webpage, 'description')
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return self.playlist_result(entries, video_id, playlist_title, playlist_description)
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info = self._parse_smil(smil, smil_url, video_id)
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