On 06. 12. 21 20:29, Guido van Rossum wrote:
Hi Petr,
In PEP 384 it is written that no functions starting with an underscore
are part of the stable ABI:
PEP 384 -- Defining a Stable ABI | Python.org
<https://www.python.org/dev/peps/pep-0384/#excluded-functions>
> All functions starting with _Py are not available to applications
OTOH there's a data file in the repo, Misc/stabe_abi.txt, which lists
many functions starting with _Py_, for example _PyObject_GC_Malloc. Then
again, that function is not listed in Doc/data/stable_abi.dat. (I didn't
check other functions, but maybe there are others.)
So is Misc/stable_abi.txt just out of date? Or how can the discrepancy
be explained?
These are not part of the limited API, so extension authors can't use
them in the C source. But they typically are (or have been) called by
macros from the limited API. So, they are part of the stable ABI; they
need to be exported.
Misc/stable_abi.txt says "abi_only" for all of these. They don't show up
in the user-facing docs.
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