Hi.

I've just uploaded the first version of a library for communicating  
between python and OCaml, together with a little proof-of-concept  
interface to WxPython, as a first step towards a better GUI tool for  
OCaml.

These two blog posts explain:

Background:
http://coherentgraphics.blogspot.com/2008/03/proper-gui-for-ocaml-part-one.html

Release:
http://coherentgraphics.blogspot.com/2008/04/proper-gui-for-ocaml-part-two.html

Cheers,

-- 
John Whitington
Coherent Graphics Ltd
http://www.coherentpdf.com/