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Wed Nov 14 07:10:08 EST 2018 · https://mail.python.org/pipermail/python-dev/2018-November/155733.html

On Wed, 14 Nov 2018 11:48:15 +0100
Victor Stinner <vstinner at redhat.com> wrote:
> Le mer. 14 nov. 2018 à 11:24, Antoine Pitrou <solipsis at pitrou.net> a écrit :
> > For example in PyArrow we use PySequence_Fast_GET_ITEM() (*)  
> 
> Maybe PyArrow is a kind of C extension which should have one
> implementation for the new C API (PyPy) and one implementation for the
> current C API (CPython)?

Yes, maybe.  I'm just pointing out that we're using those macros and
removing them from the C API (or replacing them with non-inline
functions) would hurt us.

> > and even
> > PyType_HasFeature() (**) (to quickly check for multiple base types with
> > a single fetch and comparison).  
> 
> I'm not sure that PyType_HasFeature() is an issue?

I don't know.  You're the one who decides :-)

cheers

Antoine.

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[Python-Dev] Experiment an opt-in new C API for Python? (leave current API unchanged)