cherrypy_test_index_with_key.py

import cherrypy

class Hello:
    @cherrypy.expose
    def index(self, key=""):
        if key == "":
            return "Hello. Please enter key. [Some form here with textbox and submit button and perhaps some fancy features...]"
        elif key == "THE SECRET KEY":
            return "Hello you have entered the right key!"
        else:
            return "Sorry the key you have entered is WRONG."