code: def find_person_by_id(self, person_id):
          
          url = 'https://openapi.youku.com/v2/persons/show.json'
          params = {
              'client_id': self.client_id,
              'person_id': person_id
          }
          r = requests.get(url, params=params)
          check_error(r)
          return r.json()
docs: doc: http://open.youku.com/docs/docs?id=87