>
> *Explaining the webapp2 Framework*
>
> The WSGI standard is simple, but it would be cumbersome to write all of
> the code that uses it by hand. Web application frameworks handle these
> details for you, so you can focus your development efforts on your
> application's features. Google App Engine supports any framework written in
> pure Python that speaks WSGI, including
> Django<http://www.djangoproject.com/>,
> CherryPy <http://www.cherrypy.org/>, Pylons <http://pylonshq.com/>,
> web.py<http://webpy.org/>,
> and web2py <http://www.web2py.com/>. You can bundle a framework of your
> choosing with your application code by copying its code into your
> application directory.
>
That's cool -- it wasn't mentioned there previously.