gelato - nvidia and python

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Did somebody worked with gelato from nvidia and python?
I have some C cod from books nvidia .
This is :
"
GelatoAPI *r = GelatoAPI::CreateRenderer();
r->Camera ("main");
... API calls through r ...
r->Render ("main");
delete r;   // Finished with this renderer
"
the code for python i create is only this :
"
python
Python 2.5.2 (r252:60911, May 28 2008, 08:35:32)
[GCC 4.2.4 (Debian 4.2.4-1)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import gelato
>>> from gelato import *
>>> r=gelato.CreateRenderer
>>> print r
<built-in function CreateRenderer>
>>> dir(r)
['__call__', '__class__', '__cmp__', '__delattr__', '__doc__',
'__getattribute__', '__hash__', '__init__', '__module__', '__name__',
'__new__', '__reduce__', '__reduce_ex__', '__repr__', '__self__',
'__setattr__', '__str__']
"
And I blocked here...
Thank you .