code: def _parse_settings(self):
          
          if hasattr(self, 'settings'):  # parse setting only one time
              return
  
          self.settings = {
              'auth_key': self._check_required_setting('RUMETR_TOKEN'),
              'developer': self._check_required_setting('RUMETR_DEVELOPER'),
          }
          self.settings.update(self._non_required_settings('RUMETR_API_HOST'))
docs: Gets upload options from the scrapy settings