code: def find_videos_by_show(self, show_id, show_videotype=None,
                              show_videostage=None, orderby='videoseq-asc',
                              page=1, count=20):
          
          url = 'https://openapi.youku.com/v2/shows/videos.json'
          params = {
              'client_id': self.client_id,
              'show_id': show_id,
              'page': page,
              'count': count,
              'show_videotype': show_videotype,
              'show_videostage': show_videostage,
              'orderby': orderby
          }
          params = remove_none_value(params)
          r = requests.get(url, params=params)
          check_error(r)
          return r.json()
docs: doc: http://open.youku.com/docs/doc?id=64