u'description':u'This was a keynote presentation at the NoSQL Now! 2013 Conference & Expo (http://www.nosqlnow.com). This presentation was given by Adrian Cockcroft from Netflix',
},
}
def_real_extract(self,url):
mobj=re.match(self._VALID_URL,url)
page_title=mobj.group('title')
webpage=self._download_webpage(url,page_title)
slideshare_obj=self._search_regex(
r'var slideshare_object = ({.*?}); var user_info =',
webpage,u'slideshare object')
info=json.loads(slideshare_obj)
ifinfo['slideshow']['type']!=u'video':
raiseExtractorError(u'Webpage type is "%s": only video extraction is supported for Slideshare'%info['slideshow']['type'],expected=True)