Merge pull request #1531 from rg3/no-playlist

[youtube-dl] / youtube_dl / extractor / youtube.py

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 5d932f8a4be630fbc35611165b279a58d4a206b4..6580d8bf8782d47000d9452d687836c28cd4acbd 100644 (file)
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -1391,6 +1391,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
             args = info['args']
             # Easy way to know if the 's' value is in url_encoded_fmt_stream_map
             # this signatures are encrypted
+            if 'url_encoded_fmt_stream_map' not in args:
+                raise ValueError(u'No stream_map present')  # caught below
             m_s = re.search(r'[&,]s=', args['url_encoded_fmt_stream_map'])
             if m_s is not None:
                 self.to_screen(u'%s: Encrypted signatures detected.' % video_id)