docs: def find_shows_by_ids(self, show_ids):
          """doc: http://open.youku.com/docs/doc?id=60
          """
          url = 'https://openapi.youku.com/v2/shows/show_batch.json'
          params = {
              'client_id': self.client_id,
              'show_ids': show_ids
          }
          r = requests.get(url, params=params)
          check_error(r)
          return r.json()