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gh-141004: Mark up docs of old PyMem macros #143783

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encukou merged 3 commits into from
Jan 15, 2026
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gh-141004: Mark up docs of old PyMem macros #143783

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gh-141004: Mark up docs of old PyMem macros
encukou Jan 13, 2026
5a1e6fe
Fix bad edit
encukou Jan 13, 2026
dccb9ac
Use a table
encukou Jan 14, 2026
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28 changes: 17 additions & 11 deletions Doc/c-api/memory.rst
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Expand Up @@ -293,17 +293,23 @@ The following type-oriented macros are provided for convenience. Note that

Same as :c:func:`PyMem_Free`.

In addition, the following macro sets are provided for calling the Python memory
allocator directly, without involving the C API functions listed above. However,
note that their use does not preserve binary compatibility across Python
versions and is therefore deprecated in extension modules.

* ``PyMem_MALLOC(size)``
* ``PyMem_NEW(type, size)``
* ``PyMem_REALLOC(ptr, size)``
* ``PyMem_RESIZE(ptr, type, size)``
* ``PyMem_FREE(ptr)``
* ``PyMem_DEL(ptr)``
.. c:macro:: PyMem_MALLOC(size)
PyMem_NEW(type, size)
PyMem_REALLOC(ptr, size)
PyMem_RESIZE(ptr, type, size)
PyMem_FREE(ptr)
PyMem_DEL(ptr)
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@ZeroIntensity ZeroIntensity Jan 13, 2026

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I think it would be nice to have a table, similar to what I did here.


These macros are :term:`soft deprecated` aliases for the APIs above,
provided for backwards compatibility.

.. versionchanged:: 3.4

The macros are now aliases of the corresponding mixed-case names.
Previously, their of the macros was the same, but their use did
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not preserve binary compatibility across Python versions.

.. deprecated:: 2.0


.. _objectinterface:
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