Hello World with Werkzeug

gistfile1.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from werkzeug import Request, Response

@Request.application
def application(request):
    return Response("Hello World!")


#if I execute the script directly, it runs this on 8080
if __name__ == "__main__":
    from werkzeug import run_simple
    run_simple('localhost',8080,application)