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scoder db0ee44b93 gh-142186: Revert the unintended value change in the PY_MONITORING_EVENT_* values from gh-146182 (gh-148955) 
https://github.com/python/cpython/pull/146182 left an unintended change in the `PY_MONITORING_*` macro values. This change reverts that part to avoid a user visible impact.
2026-04-25 09:05:03 +02:00
..
cpython
gh-142186: Revert the unintended value change in the PY_MONITORING_EVENT_* values from gh-146182 (gh-148955)
2026-04-25 09:05:03 +02:00
internal
gh-146073: Add fitness/exit quality mechanism for JIT trace frontend (GH-148089)
2026-04-24 10:37:01 +01:00
abstract.h
gh-134989: Implement PyObject_DelAttr() as a macro in the limited C API (GH-135021)
2025-06-04 15:07:52 +02:00
audit.h
gh-135755: Use private names (_Py*) for header file guards new in 3.14 (GH-135921)
2025-06-26 13:05:01 +02:00
bltinmodule.h
…
boolobject.h
gh-134989: Fix Py_RETURN_NONE in the limited C API (GH-135165)
2025-06-05 14:43:47 +02:00
bytearrayobject.h
gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815)
2022-06-16 13:49:43 +02:00
bytesobject.h
gh-108765: Move standard includes to Python.h (#108769)
2023-09-01 21:03:20 +02:00
ceval.h
gh-135755: Move SPECIAL_ constants to a private header (GH-135922)
2025-06-25 13:03:05 +02:00
codecs.h
Remove private _PyCodec_Lookup() function (#106269)
2023-06-30 09:34:01 +00:00
compile.h
gh-109596: Ensure repeated rules in the grammar are not allowed and fix incorrect soft keywords (#109606)
2023-09-22 19:03:23 +01:00
complexobject.h
gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815)
2022-06-16 13:49:43 +02:00
critical_section.h
gh-119344: Make critical section API public (#119353)
2024-06-21 15:50:18 -04:00
datetime.h
gh-141563: Add missing cast to _PyDateTime_IMPORT() (#144667)
2026-02-10 14:47:12 +00:00
descrobject.h
gh-41779: Allow defining any __slots__ for a class derived from tuple (GH-141763)
2026-01-06 11:36:00 +02:00
dictobject.h
gh-141726: Add PyDict_SetDefaultRef() to the Stable ABI (#141727)
2025-11-19 11:38:10 +00:00
dynamic_annotations.h
gh-96959: Update HTTP links which are redirected to HTTPS (GH-96961)
2022-09-24 14:38:53 +03:00
enumobject.h
…
errcode.h
gh-107450: Check for overflow in the tokenizer and fix overflow test (#110832)
2023-10-16 16:42:49 +02:00
exports.h
gh-146636: Improve ABI/feature selection, add new header for it (GH-148302)
2026-04-23 11:52:13 +02:00
fileobject.h
gh-106320: Remove _PyIsSelectable_fd() C API (#107142)
2023-07-23 19:07:12 +00:00
fileutils.h
gh-67341: fix a typo in Include/fileutils.h (#136049)
2025-07-14 08:02:05 +00:00
floatobject.h
gh-141004: soft-deprecate Py_INFINITY macro (#141033)
2025-11-12 13:44:49 +01:00
frameobject.h
bpo-45434: Remove useless space in includes (GH-28963)
2021-10-15 01:50:04 +02:00
genericaliasobject.h
bpo-44654: Refactor and clean up the union type implementation (GH-27196)
2021-07-17 22:44:10 +03:00
import.h
gh-142349: Fix build errors from PEP 810 (#144726)
2026-02-12 08:18:36 +00:00
intrcheck.h
gh-106320: Remove private _PyOS_IsMainThread() function (#108605)
2023-08-29 03:20:31 +00:00
iterobject.h
gh-106320: Remove _PyAnextAwaitable_Type from the public C API (#108597)
2023-08-29 02:05:11 +00:00
listobject.h
gh-114329: Fix PyList_GetItemRef() limited C API definition (#117520)
2024-04-03 21:02:42 +00:00
longobject.h
gh-143869: Add PEP 757 functions to the limited API (#143906)
2026-01-21 14:47:14 +01:00
marshal.h
gh-79315: Add Include/cpython/marshal.h header (#139725)
2025-10-07 23:49:08 +02:00
memoryobject.h
gh-79315: Add Include/cpython/memoryobject.h header (#99723)
2022-11-23 15:44:42 +01:00
methodobject.h
gh-132097: use a macro for semantically casting function pointers (#132406)
2025-04-18 12:24:34 +02:00
modsupport.h
gh-142225: Fix PyABIInfo_VAR macro (GH-142230)
2025-12-04 10:33:15 +01:00
moduleobject.h
gh-145921: Add "_DuringGC" functions for tp_traverse (GH-145925)
2026-04-08 09:15:11 +02:00
object.h
GH-145668: Add FOR_ITER specialization for virtual iterators. Specialize GET_ITER. (GH-147967)
2026-04-16 15:22:22 +01:00
objimpl.h
gh-102013: Move PyUnstable_GC_VisitObjects() to Include/cpython/objimpl.h (#115560)
2024-02-16 15:49:13 +01:00
opcode_ids.h
GH-145668: Add FOR_ITER specialization for virtual iterators. Specialize GET_ITER. (GH-147967)
2026-04-16 15:22:22 +01:00
opcode.h
gh-100239: replace BINARY_SUBSCR & family by BINARY_OP with oparg NB_SUBSCR (#129700)
2025-02-07 22:39:54 +00:00
osdefs.h
gh-108765: Reformat Include/osdefs.h (#108766)
2023-09-01 14:35:39 +00:00
osmodule.h
Issue #29058: All stable API extensions added after Python 3.2 are now
2016-12-27 14:57:39 +02:00
patchlevel.h
gh-146636: Improve ABI/feature selection, add new header for it (GH-148302)
2026-04-23 11:52:13 +02:00
py_curses.h
gh-125843: indicate which C function caused a curses.error (#125844)
2025-05-19 15:53:39 +02:00
pyabi.h
gh-146636: Improve ABI/feature selection, add new header for it (GH-148302)
2026-04-23 11:52:13 +02:00
pyatomic.h
gh-108724: Add PyMutex and _PyParkingLot APIs (gh-109344)
2023-09-19 09:54:29 -06:00
pybuffer.h
gh-137696: Rename 'fort' parameter to 'order' in PyBuffer_* functions (#137866)
2026-03-19 16:54:27 +05:30
pycapsule.h
gh-108240: Add pycore_capsule.h internal header file (#108596)
2023-08-29 01:20:02 +00:00
pydtrace.d
bpo-36842: Implement PEP 578 (GH-12613)
2019-05-23 08:45:22 -07:00
pydtrace.h
Fix pydtrace.d path comment in Include/pydtrace.h (#28539)
2022-12-31 22:40:25 +05:30
pyerrors.h
gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
pyexpat.h
gh-90949: expose Expat API to tune exponential expansion protections (#139368)
2025-09-28 08:27:04 +00:00
pyframe.h
gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938)
2022-06-19 12:02:33 +02:00
pyhash.h
gh-111545: Add Include/cpython/pyhash.h header file (#112063)
2023-11-15 01:19:20 +01:00
pylifecycle.h
gh-133644: Remove deprecated Python initialization getter functions (#133661)
2025-05-09 11:39:23 +00:00
pymacconfig.h
gh-145633: Remove support for ancient ARM platforms with mixed-endian doubles (#145634)
2026-03-11 12:39:24 +01:00
pymacro.h
gh-141370: Fix undefined behavior when using Py_ABS() (GH-141548)
2025-12-05 16:24:35 +02:00
pymath.h
gh-141004: soft-deprecate Py_INFINITY macro (#141033)
2025-11-12 13:44:49 +01:00
pymem.h
gh-85283: Add PyMem_RawMalloc() to the limited C API (#108570)
2023-10-17 02:41:51 +02:00
pyport.h
gh-146636: Improve ABI/feature selection, add new header for it (GH-148302)
2026-04-23 11:52:13 +02:00
pystate.h
gh-108867: Add PyThreadState_GetUnchecked() function (#108870)
2023-10-03 16:53:51 +00:00
pystats.h
GH-124284: Add stats for refcount operations on immortal objects (GH-124288)
2024-09-23 19:10:55 +01:00
pystrcmp.h
…
pystrtod.h
gh-106320: Remove private float C API functions (#108430)
2023-08-24 19:09:49 +02:00
Python.h
gh-146636: Improve ABI/feature selection, add new header for it (GH-148302)
2026-04-23 11:52:13 +02:00
pythonrun.h
gh-130396: Move PYOS_LOG2_STACK_MARGIN to internal headers (#135928)
2025-07-01 15:18:17 +02:00
pythread.h
gh-137884: Added threading.get_native_id() on Illumos/Solaris (GH-137927)
2025-08-20 17:10:44 +00:00
pytypedefs.h
bpo-45459: Fix PyModuleDef_Slot type in the limited C API (GH-31668)
2022-03-03 23:06:55 +01:00
rangeobject.h
gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815)
2022-06-16 13:49:43 +02:00
README.rst
gh-101101: Unstable C API tier (PEP 689) (GH-101102)
2023-02-28 09:31:01 +01:00
refcount.h
gh-146636: abi3t: Define Py_GIL_DISABLED but do not use it (GH-148142)
2026-04-07 09:06:17 +02:00
setobject.h
gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815)
2022-06-16 13:49:43 +02:00
sliceobject.h
gh-79315: Add Include/cpython/sliceobject.h header (#139729)
2025-10-08 00:48:18 +02:00
structmember.h
Fix typos in comments (#120188)
2024-06-07 10:19:41 +02:00
structseq.h
gh-79315: Add Include/cpython/structseq.h header (#139730)
2025-10-08 01:19:50 +02:00
sysmodule.h
gh-138886: Remove deprecated PySys_ResetWarnOptions C-API function (#138887)
2025-09-15 12:01:33 +03:00
traceback.h
gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815)
2022-06-16 13:49:43 +02:00
tupleobject.h
gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815)
2022-06-16 13:49:43 +02:00
typeslots.h
Revert "gh-133395: add option for extension modules to specialize BINARY_OP/SUBSCR, apply to arrays (#133396)" (#133498)
2025-05-06 13:12:26 +03:00
unicodeobject.h
gh-146175: Soft-deprecate outdated macros; convert internal usage (GH-146178)
2026-03-23 12:42:09 +01:00
warnings.h
bpo-35134: Split warnings.h and weakrefobject.h (GH-29042)
2021-10-19 01:31:57 +02:00
weakrefobject.h
gh-133644: remove PyWeakref_GetObject and PyWeakref_GET_OBJECT (GH-133657)
2025-09-24 11:25:56 +02:00

README.rst 

The Python C API
================

The C API is divided into these sections:

1. ``Include/``: Limited API
2. ``Include/cpython/``: CPython implementation details
3. ``Include/cpython/``, names with the ``PyUnstable_`` prefix: API that can
   change between minor releases
4. ``Include/internal/``, and any name with ``_`` prefix: The internal API

Information on changing the C API is available `in the developer guide`_

.. _in the developer guide: https://devguide.python.org/c-api/
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