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[3.12] gh-84436: update docs on Py_None/Py_True/Py_False/Py_Ellipsis becoming immortal (GH-105195) by miss-islington · Pull Request #105977 · python/cpython · GitHub

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[3.12] gh-84436: update docs on Py_None/Py_True/Py_False/Py_Ellipsis becoming immortal (GH-105195) #105977

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kumaraditya303 merged 1 commit into from
Jun 26, 2023
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[3.12] gh-84436: update docs on Py_None/Py_True/Py_False/Py_Ellipsis becoming immortal (GH-105195) #105977

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25 changes: 14 additions & 11 deletions Doc/c-api/bool.rst
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Expand Up @@ -6,7 +6,7 @@ Boolean Objects
---------------

Booleans in Python are implemented as a subclass of integers. There are only
two booleans, :const:`Py_False` and :const:`Py_True`. As such, the normal
two booleans, :c:data:`Py_False` and :c:data:`Py_True`. As such, the normal
creation and deletion functions don't apply to booleans. The following macros
are available, however.

Expand All @@ -19,29 +19,32 @@ are available, however.

.. c:var:: PyObject* Py_False

The Python ``False`` object. This object has no methods. It needs to be
treated just like any other object with respect to reference counts.
The Python ``False`` object. This object has no methods and is
`immortal <https://peps.python.org/pep-0683/>`_.

.. versionchanged:: 3.12
:c:data:`Py_False` is immortal.


.. c:var:: PyObject* Py_True

The Python ``True`` object. This object has no methods. It needs to be treated
just like any other object with respect to reference counts.
The Python ``True`` object. This object has no methods and is
`immortal <https://peps.python.org/pep-0683/>`_.

.. versionchanged:: 3.12
:c:data:`Py_True` is immortal.


.. c:macro:: Py_RETURN_FALSE

Return :const:`Py_False` from a function, properly incrementing its reference
count.
Return :c:data:`Py_False` from a function.


.. c:macro:: Py_RETURN_TRUE

Return :const:`Py_True` from a function, properly incrementing its reference
count.
Return :c:data:`Py_True` from a function.


.. c:function:: PyObject* PyBool_FromLong(long v)

Return a new reference to :const:`Py_True` or :const:`Py_False` depending on the
truth value of *v*.
Return :c:data:`Py_True` or :c:data:`Py_False`, depending on the truth value of *v*.
10 changes: 5 additions & 5 deletions Doc/c-api/none.rst
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Expand Up @@ -15,12 +15,12 @@ same reason.

.. c:var:: PyObject* Py_None

The Python ``None`` object, denoting lack of value. This object has no methods.
It needs to be treated just like any other object with respect to reference
counts.
The Python ``None`` object, denoting lack of value. This object has no methods
and is `immortal <https://peps.python.org/pep-0683/>`_.

.. versionchanged:: 3.12
:c:data:`Py_None` is immortal.

.. c:macro:: Py_RETURN_NONE

Properly handle returning :c:data:`Py_None` from within a C function (that is,
increment the reference count of ``None`` and return it.)
Return :c:data:`Py_None` from a function.
9 changes: 6 additions & 3 deletions Doc/c-api/slice.rst
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Expand Up @@ -118,6 +118,9 @@ Ellipsis Object

.. c:var:: PyObject *Py_Ellipsis

The Python ``Ellipsis`` object. This object has no methods. It needs to be
treated just like any other object with respect to reference counts. Like
:c:data:`Py_None` it is a singleton object.
The Python ``Ellipsis`` object. This object has no methods. Like
:c:data:`Py_None`, it is an `immortal <https://peps.python.org/pep-0683/>`_.
singleton object.

.. versionchanged:: 3.12
:c:data:`Py_Ellipsis` is immortal.
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