error_handler.py 文件源码

def __exit__(self, exec_type, exec_value, trace):
        self.body_executed = True
        retval = False
        # SystemExit is ignored to properly handle forks that don't exec
        if exec_type in (None, SystemExit):
            return retval
        elif exec_type is errors.SignalExit:
            logger.debug("Encountered signals: %s", self.received_signals)
            retval = True
        else:
            logger.debug("Encountered exception:\n%s", "".join(
                traceback.format_exception(exec_type, exec_value, trace)))

        self._call_registered()
        self._reset_signal_handlers()
        self._call_signals()
        return retval