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| author | Mark Shannon <mark@hotpy.org> | 2023-07-28 16:07:33 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-07-28 16:07:33 (GMT) |
| commit | 1ee605c5888fbc3d51b3e7610bac38ea6bc25e31 (patch) | |
| tree | 162f98ffdbeb6d3e457c08b16434ae02b08ff98e | |
| parent | 2aaa83d5f5c7b025f4bf2e04836139eb01a33bd8 (diff) | |
| download | cpython-1ee605c5888fbc3d51b3e7610bac38ea6bc25e31.zip cpython-1ee605c5888fbc3d51b3e7610bac38ea6bc25e31.tar.gz cpython-1ee605c5888fbc3d51b3e7610bac38ea6bc25e31.tar.bz2 | |
GH-101291: Add warning to "what's new" that `PyLongObject` internals have changed. (GH-107388)
| -rw-r--r-- | Doc/whatsnew/3.12.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst index 68e5b06..99500e1 100644 --- a/Doc/whatsnew/3.12.rst +++ b/Doc/whatsnew/3.12.rst @@ -1865,6 +1865,17 @@ Porting to Python 3.12 subinterpreter that they don't support (or haven't yet been loaded in). See :gh:`104668` for more info. +* :c:struct:`PyLongObject` has had its internals changed for better performance. + Although the internals of :c:struct:`PyLongObject` are private, they are used + by some extension modules. + The internal fields should no longer be accessed directly, instead the API + functions beginning ``PyLong_...`` should be used instead. + Two new *unstable* API functions are provided for efficient access to the + value of :c:struct:`PyLongObject`\s which fit into a single machine word: + + * :c:func:`PyUnstable_Long_IsCompact` + * :c:func:`PyUnstable_Long_CompactValue` + Deprecated ---------- |