import asyncore, socket
class ProtocolFactory(asyncore.dispatcher):
    def __init__(self, (protocol, port), multiplexer):
        asyncore.dispatcher.__init__(self)
        
        self.protocol = protocol
        self.multiplexer = multiplexer
        
        self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
        self.bind(("", port))
        self.listen(5)

    def handle_accept(self):
        # this is called by the asyncore library whenever a 
        # connection has been established
        conn, addr = self.accept()
        # spawn a client class
        self.protocol(conn, self.multiplexer)