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[3.13] gh-121403: Add notes for PyList_GetXXX APIs about the need for init (gh-121626) #121827

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Merged
merged 3 commits into from
Jul 16, 2024
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[3.13] gh-121403: Add notes for PyList_GetXXX APIs about the need for init (gh-121626) #121827

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gh-121403: Add notes for PyList_GetXXX APIs about the need for init (…
corona10 Jul 16, 2024
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Merge branch '3.13' into backport-2bac2b8-3.13
ambv Jul 16, 2024
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Merge branch '3.13' into backport-2bac2b8-3.13
terryjreedy Jul 16, 2024
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9 changes: 6 additions & 3 deletions Doc/c-api/list.rst
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Expand Up @@ -38,9 +38,12 @@ List Objects
.. note::

If *len* is greater than zero, the returned list object's items are
set to ``NULL``. Thus you cannot use abstract API functions such as
:c:func:`PySequence_SetItem` or expose the object to Python code before
setting all items to a real object with :c:func:`PyList_SetItem`.
set to ``NULL``. Thus you cannot use abstract API functions such as
:c:func:`PySequence_SetItem` or expose the object to Python code before
setting all items to a real object with :c:func:`PyList_SetItem` or
:c:func:`PyList_SET_ITEM()`. The following APIs are safe APIs before
the list is fully initialized: :c:func:`PyList_SetItem()` and :c:func:`PyList_SET_ITEM()`.



.. c:function:: Py_ssize_t PyList_Size(PyObject *list)
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