在我的网络应用程序中,我使用 werkzeug 来监听和处理请求。在其中一个功能中,我需要监听请求(比如来自 A)并将 http put 请求发送到另一台服务器(B),然后在收到 B 的响应后,我向 A 响应响应。
我对werkzeug不是很熟悉,不确定它是否有发送请求的能力,所以我使用httplib发送请求。
但是我遇到了错误。
有很多活动部件,我想知道以下几点:1. werkzeug 是否有能力发送请求 2. 错误的原因是什么
感谢任何帮助。
代码:
def complete(self, request):
if request.method == 'GET':
location_id = self.extract_param_value(request,'location_id');
status_code = self.extract_param_value(request,'status_code');
req_url = something;
jsonData = { 'data' : {'status' : status_code, 'id': location_id}};
jsonDataDump = json.dumps(jsonData);
#send request to B
connection = httplib.HTTPConnection(HOST, timeout=5);
body_content = jsonDataDump;
headers = {"Content-type": "application/json", "Accept": "text/plain"};
connection.request('PUT', req_url, body_content, headers); #error occurs here
result = connection.getresponse();
connection.close();
#return response to A
response = Response(status=200);
return response;
错误:
1**.1**.1**.** - - [30/Dec/2011 03:06:57] "GET //complete?location_id=615201308&status_code=LIVE&message=fine HTTP/1.1" 500 -
Traceback (most recent call last):
File "/home/ec2-user/y_ws.py", line 381, in __call__
return self.wsgi_app(environ, start_response)
File "/usr/lib/python2.6/site-packages/Werkzeug-0.8.1-py2.6.egg/werkzeug/wsgi.py", line 411, in __call__
return self.app(environ, start_response)
File "/home/ec2-user/y_ws.py", line 377, in wsgi_app
response = self.dispatch_request(request);
File "/home/ec2-user/y_ws.py", line 98, in dispatch_request
return getattr(self, endpoint)(request, **values)
File "/home/ec2-user/y_ws.py", line 184, in complete
connection.request('PUT', y_req_url, body_content, headers);
File "/usr/lib64/python2.6/httplib.py", line 914, in request
self._send_request(method, url, body, headers)
File "/usr/lib64/python2.6/httplib.py", line 951, in _send_request
self.endheaders()
File "/usr/lib64/python2.6/httplib.py", line 908, in endheaders
self._send_output()
File "/usr/lib64/python2.6/httplib.py", line 780, in _send_output
self.send(msg)
File "/usr/lib64/python2.6/httplib.py", line 739, in send
self.connect()
File "/usr/lib64/python2.6/httplib.py", line 720, in connect
self.timeout)
File "/usr/lib64/python2.6/socket.py", line 567, in create_connection
raise error, msg
error: [Errno 111] Connection refused