Python ThreadedTCPServer http://blog.marchtea.com/archives/60

multi-threaded_TCPServer.py

#!/usr/bin/env python


import SocketServer
from threading import Thread

class service(SocketServer.BaseRequestHandler):
    def handle(self):
        data = 'dummy'
        print "Client connected with ", self.client_address
        while len(data):
            data = self.request.recv(1024)
            self.request.send(data)

        print "Client exited"
        self.request.close()


class ThreadedTCPServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
    pass

t = ThreadedTCPServer(('',1520), service)
t.serve_forever()