我不知道我在这里做错了什么,我写了一个 RPC 客户端试图连接到一个不存在的服务器,我正在尝试处理抛出的异常,但无论我尝试什么我不知道我应该如何处理这个:
def _get_rpc():
try:
a = ServerProxy('http://dd:LNXFhcZnYshy5mKyOFfy@127.0.0.1:9001')
a = a.supervisor
return a
except:
return False
rpc = _get_rpc()
if not rpc:
print "No RPC"
由于没有服务器在运行,我希望输出为“No RPC”,但我得到了一个异常:
Traceback (most recent call last):
File "xmlrpctest.py", line 20, in <module>
if not rpc:
File "/usr/lib/python2.6/xmlrpclib.py", line 1199, in __call__
return self.__send(self.__name, args)
File "/usr/lib/python2.6/xmlrpclib.py", line 1489, in __request
verbose=self.__verbose
File "/usr/lib/python2.6/xmlrpclib.py", line 1235, in request
self.send_content(h, request_body)
File "/usr/lib/python2.6/xmlrpclib.py", line 1349, in send_content
connection.endheaders()
File "/usr/lib/python2.6/httplib.py", line 908, in endheaders
self._send_output()
File "/usr/lib/python2.6/httplib.py", line 780, in _send_output
self.send(msg)
File "/usr/lib/python2.6/httplib.py", line 739, in send
self.connect()
File "/usr/lib/python2.6/httplib.py", line 720, in connect
self.timeout)
File "/usr/lib/python2.6/socket.py", line 561, in create_connection
raise error, msg
socket.error: [Errno 111] Connection refused