Plastic

Plastic is a Python web framework built on top of Werkzeug.

from plastic.app import BaseApp

App = BaseApp.clone()

@App.route('/')
def hello(request):
    return 'Hello, world!'

if __name__ == '__main__':
    app = App()
    app.run()

Run:

$ python hello.py
 * Running on http://127.0.0.1:5555/
 * Restarting with reloader