code: def save_code(self, authorization_code):
          
          self.write(authorization_code.code,
                     {"client_id": authorization_code.client_id,
                      "code": authorization_code.code,
                      "expires_at": authorization_code.expires_at,
                      "redirect_uri": authorization_code.redirect_uri,
                      "scopes": authorization_code.scopes,
                      "data": authorization_code.data,
                      "user_id": authorization_code.user_id})
docs: Stores the data belonging to an authorization code token in redis.
  
          See :class:`oauth2.store.AuthCodeStore`.