[Python-checkins] [Python-Dev] cpython: Issue #18520: Add a new PyStructSequence_InitType2() function, same than

[Antoine Pitrou]

On Tue, 23 Jul 2013 08:15:29 +0200
Ronald Oussoren <ronaldoussoren at mac.com> wrote:
> 
> On 23 Jul, 2013, at 2:01, Benjamin Peterson <benjamin at python.org> wrote:
> 
> > We've cheerfully broken the ABI before on minor releases, though if
> > it's part of the stable ABI, we can't be cavaliar about that anymore.
> 
> It is not part of the stable ABI. Given that the implementation of 
> PyStructSequence_InitType() in the patch just calls PyStructSequence_InitType2()
> and ignores the return value you could change the return value of ..InitType().
> 
> This may or may not break existing extensions using the function (depending on
> platform ABI details, AFAIK this is not a problem on x86/x86_64), but reusing
> extensions across python feature releases is not supported anyway.

Not supported? It should certainly be supported accross bugfix
versions. Otherwise, installing a new bugfix version would force you to
recompile all independently-installed extension modules.

Regards

Antoine.