code: def _set_token_data(self):
          
  
          if not self.token:
              return
  
          self._set_config_keystone(
              settings.KEYSTONE_USERNAME, settings.KEYSTONE_PASSWORD)
  
          token_data = self._keystone_auth.validate_token(self.token)
  
          if not token_data:
              self.logger.error('Invalid Token')
              raise InvalidToken('Invalid Token')
  
          self.token_data = token_data
  
          if self.cache.is_redis_ok():
              try:
                  self.cache.set_cache_token(token_data)
              except CacheException:
                  self.logger.error('Token not setted in cache.')
docs: Set token_data by Keystone