gistfile1.py

import threading
def daemonize(f):
    def wrapper(*args, **kwargs):
        tgt = f
        t= threading.Thread(target=tgt, args=args, kwargs=kwargs)
        t.setDaemon(True)
        t.start()
    return wrapper

#and you use it like this:
@daemonize
def foobar:
    return "you get the picture"