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List:       pykde
Subject:    Re: [PyKDE] Re: sip-4 vs sip-3
From:       Gerard Vermeulen <gvermeul () grenoble ! cnrs ! fr>
Date:       2003-12-01 20:54:59
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On Mon, 1 Dec 2003 19:26:13 +0000
Phil Thompson <phil@riverbankcomputing.co.uk> wrote:

> 
> Ok - I could fix it for names, because names aren't shared between modules. 
> (At one point they were which is how they acquired numerical names.) But 
> there are other things which I can't fix it for - type structures, virtual 
> handlers, anything that is part of the low-level API exported from one module 
> to another and are stored in tables. Changing the module is always going to 
> potentially change the order of the contents of those tables.
>
Great! I was just reading gencode.c and concluded that even I could fix the
names. Guess it will reduce the average time for rebuilding by 80 or 90 %.
> 
> Note that if you do change a module you should increment the version number in 
> %Module statement. That's used at run-time to check you are running modules 
> that are compatible with each other.
>
I see. The version number is good idea. I have seen the effect of Python
extension modules compiled with an outdated api header file importing
another extension module. Quite funny, once you understand what is going on.

Gerard

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