[Pyrex] Extension type initialization

[khinsen at cea.fr]

On Mar 14, 2005, at 23:44, Greg Ewing wrote:

> It's by design. It has to be a Python function, because
> it's callable from Python and there is no C slot for it
> in the type structure.

OK.

> What you can do is leave the object with no __init__ method
> and a __new__ that requires  no arguments, and have another
> C method that you call afterwards to initialise it.

OK, that looks doable.

> Hpwever, if you do that, you'll have to be prepared to deal
> with the possibility that Python code will instantiate the
> type without the C method getting called.

I would need a real __init__ for Python access anyway, so I would hide 
the basic C type and propose a subclass with an __init__ method to the 
outside world.

I'll let you know if that works as I expect.

Thanks,
   Konrad.
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Konrad Hinsen
Laboratoire Léon Brillouin, CEA Saclay,
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E-Mail: khinsen at cea.fr
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