Re: [Pyobjc-dev] VTK bindings

[Ronald O. <ous...@ci...>]

On 4 dec 2003, at 12:02, Jack Jansen wrote:

>
> On 4-dec-03, at 5:39, Carlos Phillips wrote:
>>> Isn't cobject what you want here? It just gives you an opaque Python 
>>> wrapper around a C pointer, but it looks like that could be good 
>>> engouh.
>>>
>>
>> Actually you might be right. This is not ideal, but it would do. hat 
>> is this cobject? How can I use it?
>
> Cobject is part of the Python core, but it isn't very well-known (nor 
> widely used). I've always felt that it needs more support. For one 
> thing it would be really good if various (all, really) wrapper 
> packages would
> 1. Return unknown pointers as Cobjects
> 2. Allow Cobjects as initializers to any object creation method.
>
> Together these two would allow you to pass pointers back and forth 
> between extension modules that are unaware of each other. In your case 
> you would get the vtk object back as a Cobject, which you could then 
> coerce into a VTK renderer object.

It would also be pretty easy to crash the interpreter, by passing the 
wrong kind of CObject to an API :-(

Ronald