It's simple and very powerful.
It's possible to use them with a CherryPy application. But I think it would be very nice if CherryPy provides something like that in the core or through a buildin tool.
For more informations see the [http://werkzeug.pocoo.org/documentation/debug Werkzeug Documentation] and the [http://trac.pocoo.org/browser/werkzeug/trunk/werkzeug/debug Werkzeug Debug System Sourcecode].
Regards, Christopher Grebs
Reported by EnTeQuAk <chrissiG@gmx.net>