+ def _real_extract(self, url):
+ group_id = self._match_id(url)
+
+ webpage = self._download_webpage(url, group_id, 'Downloading video page')
+
+ programme_id = self._search_regex(
+ r'"vpid"\s*:\s*"([\da-z]{8})"', webpage, 'vpid', fatal=False)
+ if programme_id:
+ player = self._download_json(
+ 'http://www.bbc.co.uk/iplayer/episode/%s.json' % group_id,
+ group_id)['jsConf']['player']
+ title = player['title']
+ description = player['subtitle']
+ duration = player['duration']
+ formats, subtitles = self._download_media_selector(programme_id)
+ else:
+ playlist = self._download_xml(
+ 'http://www.bbc.co.uk/iplayer/playlist/%s' % group_id,
+ group_id, 'Downloading playlist XML')
+
+ no_items = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}noItems')
+ if no_items is not None:
+ reason = no_items.get('reason')
+ if reason == 'preAvailability':
+ msg = 'Episode %s is not yet available' % group_id
+ elif reason == 'postAvailability':
+ msg = 'Episode %s is no longer available' % group_id
+ elif reason == 'noMedia':
+ msg = 'Episode %s is not currently available' % group_id
+ else:
+ msg = 'Episode %s is not available: %s' % (group_id, reason)
+ raise ExtractorError(msg, expected=True)