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gh-141004: Document PyUnicode_IS_COMPACT and PyUnicode_IS_COMPACT_ASCII macros #143494

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encukou merged 10 commits into from
Jan 12, 2026
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gh-141004: Document PyUnicode_IS_COMPACT and PyUnicode_IS_COMPACT_ASCII macros #143494

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c8d2cee
unicode doc 1
Yashp002 Jan 6, 2026
26e9725
fix 1 unicode
Yashp002 Jan 6, 2026
6815686
fix 2 unicode
Yashp002 Jan 7, 2026
c0429a1
unicode fix 3
Yashp002 Jan 7, 2026
a934404
unicode fix 4
Yashp002 Jan 8, 2026
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unicode fix 5
Yashp002 Jan 8, 2026
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Merge branch 'main' into doc-unicode-compact
ZeroIntensity Jan 9, 2026
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Merge remote-tracking branch 'upstream/main' into doc-unicode-compact
Yashp002 Jan 12, 2026
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Merge branch 'doc-unicode-compact' of https://github.com/Yashp002/cpy…
Yashp002 Jan 12, 2026
037f4b5
unicode c_api_txt fix 6
Yashp002 Jan 12, 2026
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unicode fix 4 
Co-authored-by: Petr Viktorin <[email protected]>
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@Yashp002 @encukou
Yashp002 and encukou authored Jan 8, 2026
commit a93440434c74bdab734a223a8e1ddecc70394c88
21 changes: 13 additions & 8 deletions Doc/c-api/unicode.rst
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Expand Up @@ -65,22 +65,27 @@ Python:
.. versionadded:: 3.3


.. c:macro:: PyUnicode_IS_COMPACT(o)
The structure of a particular object can be determined using the following
macros.
The macros cannot fail; their behavior is undefined if their argument
is not a Python Unicode object.

Return true if the Unicode object *o* is a compact string.
Compact strings use the :c:struct:`PyCompactUnicodeObject` structure.
.. c:namespace:: NULL

.. versionadded:: 3.3
.. c:macro:: PyUnicode_IS_COMPACT(o)

True if *o* uses the :c:struct:`PyCompactUnicodeObject` structure.

.. c:macro:: PyUnicode_IS_COMPACT_ASCII(o)
.. versionadded:: 3.3

Return true if the Unicode object *o* is a compact ASCII string.
Compact ASCII strings use the :c:struct:`PyASCIIObject` structure.

.. versionadded:: 3.3
.. c:macro:: PyUnicode_IS_COMPACT_ASCII(o)

True if *o* uses the :c:struct:`PyASCIIObject` structure.

.. versionadded:: 3.3


The following APIs are C macros and static inlined functions for fast checks and
access to internal read-only data of Unicode objects:

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