[Twisted-Python] Question about writing a server that accepts multiple clients with independent processing

[Gabriel Rossetti]

Jean-Paul Calderone wrote:
> On Thu, 21 Feb 2008 17:05:32 +0100, Gabriel Rossetti 
> <mailing_lists at evotex.ch> wrote:
>> [snip]
>> Sorry, I made a mistake, that should be :
>>
>>
>>   class MyXmlStreamFactory(xmlstream.XmlStreamFactory):
>>
>>       protocol = XmlStreamTestSrv
>>
>>       def buildProtocol(self, *pargs, **kwargs):
>>           p = xmlstream.XmlStreamFactory.buildProtocol(self, *pargs, 
>> **kwargs)
>> xmlstream.XmlStreamFactory.addBootstrap(xmlstream.STREAM_START_EVENT, 
>> p._connected)
>>
>>           return p
>>
>> but I get this error :
>>
>>    File "test.py", line 91, in buildProtocol
>>    
>> xmlstream.XmlStreamFactory.addBootstrap(xmlstream.STREAM_START_EVENT, 
>> p._connected)
>>    exceptions.AttributeError: XmlStream instance has no attribute 
>> '_connected'
>>
>> isn't p supposed to be a XmlStreamTestSrv? Why does it say it's a 
>> XmlStream?
>>
>
> In Twisted 2.5, XmlStreamFactory ignores its `protocol´ attribute.  In 
> the
> next release, it will respect it.  Until then, you'll have to instantiate
> the protocol yourself.  This is quite simple.  The base implementation of
> buildProtocol in current trunk at HEAD just does this:
>
>    def buildProtocol(self, addr):
>        """
>        Create an instance of XmlStream.
>
>        The returned instance will have bootstrap event observers 
> registered
>        and will proceed to handle input on an incoming connection.
>        """
>        xs = self.protocol(*self.args, **self.kwargs)
>        xs.factory = self
>        for event, fn in self.bootstraps:
>            xs.addObserver(event, fn)
>        return xs
>
> Jean-Paul
>
Ahh, ok, so using will never work :-)

ok, I'll do that then, thanks!

Gabriel