> Dear Tutors,
> I have attached my 2 programs for networking. It uses socket and
> SocketServer, but it just simplifies it even more. The problem is it won't
> work. The Client raises the error, (with trace back)
> Traceback (most recent call last):
> File "G:\My Dropbox\My Dropbox\Chris\Not done\client.py", line 34, in
> <module>
> print client.recv()
> File "G:\My Dropbox\My Dropbox\Chris\Not done\client.py", line 16, in recv
> return self.__sock.recv(1024)
> error: [Errno 10053] An established connection was aborted by the software in
> your host machine
> The server seems to get an error of some sort, but also seems to catch and
> print it. It prints
> ----------------------------------------
> Exception happened during processing of request from ('127.0.0.1', 1424)
> Traceback (most recent call last):
> File "C:\Python26\lib\SocketServer.py", line 281, in _handle_request_noblock
> self.process_request(request, client_address)
> File "C:\Python26\lib\SocketServer.py", line 307, in process_request
> self.finish_request(request, client_address)
> File "C:\Python26\lib\SocketServer.py", line 320, in finish_request
> self.RequestHandlerClass(request, client_address, self)
> TypeError: 'NoneType' object is not callable
> ----------------------------------------
> I look at both of the documentations of socket and SocketServer, but I
> couldn't firgue it out. I don't know much about networking. Please Help
I don't know much about networking, less so about it on Windows; also, I've
only scanned quickly through the server script, but I notice your
create_handler() function doesn't return anything. I guess it needs to return
the Handler class.
The example in the Python docs doesn't use a factory function, but instead
directly puts the class as the second argument to TCPServer.
So the second argument needs to be a class, but since your create_handler()
function returns nothing, you presumably get this NoneType exception.
Evert
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