Thanks Ed,
>  So yes, you are forced to provide well-defined interfaces, which means
>  that you have to expose all the functionality of titi/toto in an .idl
>  file as well as the corresponding .py..  I'm not sure I get what you
>  were doing in your second solution because xptit would still have to
>  wrap and expose all the functionality of titi, just as you complained
>  about in your first solution..
With the second solution, I have tried to split the "big" component into 
several more little components.
I use a global variable.
The main component xptoto would :
1 set the value of the global variable TMP to xptoto.titi
2 create xptiti which sets ( in __init__() ) xptiti.titi to TMP
3 return xptiti
Finally, we find the same interface as the original python module.

The main problem is to create an "little" xptiti component which can 
communicate with xptoto.titi.

With a huge component, each windows has to grab a reference of this
component, even the sub sub sub window which manipulates a deep object.

For instance :
With a python shell, we would write :
w = window(toto.getTiti().getTutu().color), and change the color inside 
w with
color = "red"

With XPCOM :
w = window(xptoto)
and use xptoto.titiTutuColor = "red" inside w.

The second solution of the preceding message allows the same technique 
as python.
w = window(toto.getTiti().getTutu().color)

The windows model is reusable.

>    But in any case, if you're worried
>  about wrapping the whole module, you can probably write a quick script
>  (if one doesn't already exist) to wrap all the functionality for you..
>  A quick hack would be to import tito and then call and parse
>  help(tito), 
My problem is not really mapping the whole module, I 'd like to be sure 
it's the right
way to accomplish the job (solution 1 or 2 or another ?).

>  but I'm sure there is a more elegant solution using Python
>  Language Services..
> 
Yes, I'm sure. And it's this solution I 'd like learn.
For instance, if xptiti is subclass of titi ( class xptiti(titi) ), is 
there a solution to build
xptiti from xptoto.titi ?

>  Hope that helps..
> 
>  -Ed

Thanks a lot Ed.

Cyril.


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