+ def _real_extract(self, url):
+ # Extract playlist id
+ mobj = re.match(self._VALID_URL, url)
+ if mobj is None:
+ raise ExtractorError('Invalid URL: %s' % url)
+ playlist_id = mobj.group(1) or mobj.group(2)
+
+ # Check if it's a video-specific URL
+ query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
+ if 'v' in query_dict:
+ video_id = query_dict['v'][0]
+ if self._downloader.params.get('noplaylist'):
+ self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
+ return self.url_result(video_id, 'Youtube', video_id=video_id)
+ else:
+ self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
+
+ if playlist_id.startswith('RD') or playlist_id.startswith('UL'):
+ # Mixes require a custom extraction process
+ return self._extract_mix(playlist_id)
+
+ return self._extract_playlist(playlist_id)
+