Persistent server with GUI interactive functions ?

[Lee Harr]

In article <mgqn8v01utuhhioq5vq32rm2r2oadtrm8i at 4ax.com>, Frank wrote:
> I need to write a GUI app that will serve as a peer to peer
> client/server.  At the highest level it would be similar to a chat
> client, which has a server component (waiting for any incoming
> connections) as well as the client part (initiating a connection,
> executing user commands).
> 
> Each of those function appears to involve entering an "endless loop"
> as the last logical step to initiate processing (i.e. "mainloop()" for
> the user interface and "serve_forever()" for the server).  I haven't
> yet grasped the logical structure that will allow me to have two
> non-returning calls and maintain control of the program.
> 
> Is there an example of this around somewhere, or does anyone know of
> documentation that will explain this?
> (Note:  I will need to have the app run under Win, Linux, and
> Solaris.)
> 


Have you looked at Twisted?