server.py 文件源码

def exit_by_exception():
    class SignalException(BaseException):
        pass

    def signal_fork(signum, stack_frame):
        log.info('Received signal %d, procuring hariki', signum)
        raise SignalException(signum)

    def excepthook(exc_type, exc_value, exc_trace):
        if exc_type is SignalException:
            sys.exit(1)
        else:
            sys.__excepthook__(exc_type, exc_value, exc_trace)

    sys.excepthook = excepthook
    signal.signal(signal.SIGINT, signal_fork)
    signal.signal(signal.SIGTERM, signal_fork)