[videolectures.net] Make description optional

10 years ago · fa154d1dbe
1 changed files with 4 additions and 1 deletions
--- a/youtube_dl/extractor/videolecturesnet.py
+++ b/youtube_dl/extractor/videolecturesnet.py
@ -36,7 +36,10 @@ class VideoLecturesNetIE(InfoExtractor):
        smil = self._download_xml(smil_url, video_id)

        title = find_xpath_attr(smil, './/meta', 'name', 'title').attrib['content']
-        description = find_xpath_attr(smil, './/meta', 'name', 'abstract').attrib['content']
+        description_el = find_xpath_attr(smil, './/meta', 'name', 'abstract')
+        description = (
+            None if description_el is None
+            else description_el.attrib['content'])
        upload_date = unified_strdate(
            find_xpath_attr(smil, './/meta', 'name', 'date').attrib['content'])