dnsname.py 文件源码

def _handle_failure(self, failure, ip=None):
        """Logs DNS failures, but does not stop the job from running."""
        failtype = failure.trap(error.TimeoutError, defer.TimeoutError,
                                DomainError)
        if failtype in (error.TimeoutError, defer.TimeoutError):
            self._logger.warning("DNS lookup timed out")
        elif failtype == DomainError:
            self._logger.warning("DNS lookup error for %s: %s",
                                 ip, failure.type.__name__)