[Python-Dev] Python 3.7: remove all private C functions from the Python C API?

[Serhiy Storchaka]

On 12.09.16 11:41, Victor Stinner wrote:
> 2016-09-12 8:23 GMT+02:00 Benjamin Peterson <benjamin at python.org>:
>> That seems like a good idea in abstract. However, the boundaries will
>> have to be delineated. Many functions beginning _Py are effectively part
>> of the public API even for "well-behaved" 3rd-party extensions
>
> Oh ok, that's also what I expected.
>
> So we should be very careful. Maybe we can experiment building a few
> major C extensions like numpy to find such issues?

I think would be nice to create a test extension that uses *all* stable 
functions, build it with old Python versions and test if it works with 
new Python versions.