gui2py: a library to bridge web2py and wx, some inital questions

I'm working on a library to use web2py models and features (i.e., form
creation, validators, html helpers, etc.) with wxpython:

http://code.google.com/p/gui2py/

Prototype script example:

http://code.google.com/p/gui2py/wiki/Web2pyExample

In fact, at this stage, it is just a modified forms.zip example found
at the wx.HTML wiki:

http://wiki.wxpython.org/wxHTML

But my plans are to extend it to make a more complete browser-like
interface, supporting menus, tabs, etc. and advanced controls
(date/time, int control, validators, ...) and list/grid.

The questions are:

Do you see any drawback/concern with this approach?
Is there anything similar?

I don't want a fully-featured browser with CSS and Javascript, I need
just a tool to layout the controls provided by web2py html (the html
that web2py generates can be easily changed if required).
I was thinking of merging some PythonCard controls if possible.

Best regards,

Mariano Reingart
http://www.sistemasagiles.com.ar
http://reingart.blogspot.com