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Eric Snow 88f8102a8f gh-132775: Support Fallbacks in _PyObject_GetXIData() (gh-133482) 
It now supports a "full" fallback to _PyFunction_GetXIData() and then `_PyPickle_GetXIData()`.  There's also room for other fallback modes if that later makes sense.
2025-05-21 07:23:48 -06:00
..
cpython
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
internal
gh-132775: Support Fallbacks in _PyObject_GetXIData() (gh-133482)
2025-05-21 07:23:48 -06:00
abstract.h
gh-130947: Add again PySequence_Fast() to the limited C API (#130948)
2025-03-13 13:00:57 +01:00
audit.h
gh-125604: Move _Py_AuditHookEntry, etc. Out of pycore_runtime.h (gh-125605)
2024-10-18 09:26:08 -06:00
bltinmodule.h
…
boolobject.h
gh-115754: Add Py_GetConstant() function (#116883)
2024-03-21 16:07:00 +00:00
bytearrayobject.h
…
bytesobject.h
gh-108765: Move standard includes to Python.h (#108769)
2023-09-01 21:03:20 +02:00
ceval.h
GH-120507: Lower the BEFORE_WITH and BEFORE_ASYNC_WITH instructions. (#120640)
2024-06-18 12:17:46 +01:00
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
…
critical_section.h
gh-119344: Make critical section API public (#119353)
2024-06-21 15:50:18 -04:00
datetime.h
…
descrobject.h
…
dictobject.h
gh-106004: PyDict_GetItemRef() should only be in the limited API 3.13 (GH-107229)
2023-07-25 21:48:07 +03:00
dynamic_annotations.h
…
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-121040: Use __attribute__((fallthrough)) (#121044)
2024-06-27 09:58:44 +00:00
fileobject.h
gh-106320: Remove _PyIsSelectable_fd() C API (#107142)
2023-07-23 19:07:12 +00:00
fileutils.h
gh-108765: Move stat() fiddling from pyport.h to fileutils.h (#108854)
2023-09-03 21:32:13 +00:00
floatobject.h
gh-120026: soft deprecate Py_HUGE_VAL macro (#120027)
2024-11-01 22:04:31 +00:00
frameobject.h
…
genericaliasobject.h
…
import.h
gh-133644: remove deprecated PyImport_ImportModuleNoBlock (#133655)
2025-05-08 13:08:43 +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
lock.h
gh-117511: Make PyMutex public in the non-limited API (#117731)
2024-06-20 11:29:08 -04:00
longobject.h
gh-132639: Adds PyLong_AsNativeBytes, PyLong_FromNativeBytes and PyLong_FromUnsignedNativeBytes to the limited API (GH-132640)
2025-04-21 15:59:03 +01:00
marshal.h
gh-125063: marshal: Add version 5, improve documentation (GH-126829)
2024-11-15 13:48:57 +01:00
memoryobject.h
…
methodobject.h
gh-132097: use a macro for semantically casting function pointers (#132406)
2025-04-18 12:24:34 +02:00
modsupport.h
gh-112136: Restore removed _PyArg_Parser (#121262)
2024-07-03 18:36:57 +02:00
moduleobject.h
gh-116322: Rename PyModule_ExperimentalSetGIL to PyUnstable_Module_SetGIL (GH-118645)
2024-05-06 18:59:36 +02:00
monitoring.h
gh-111997: C-API for signalling monitoring events (#116413)
2024-05-04 08:23:50 +00:00
object.h
Revert gh-127266: avoid data races when updating type slots (gh-131174) (gh-133129)
2025-04-28 23:38:29 -07:00
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-134282: Always borrow references LOAD_CONST (GH-134284)
2025-05-20 11:24:11 -04:00
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
…
patchlevel.h
Python 3.15.0a0
2025-05-07 18:47:42 +03:00
py_curses.h
gh-125843: indicate which C function caused a curses.error (#125844)
2025-05-19 15:53:39 +02:00
pyatomic.h
gh-108724: Add PyMutex and _PyParkingLot APIs (gh-109344)
2023-09-19 09:54:29 -06:00
pybuffer.h
…
pycapsule.h
gh-108240: Add pycore_capsule.h internal header file (#108596)
2023-08-29 01:20:02 +00:00
pydtrace.d
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pydtrace.h
…
pyerrors.h
gh-119521: Rename IncompleteInputError to _IncompleteInputError and remove from public API/ABI (GH-119680)
2024-06-24 14:08:12 +02:00
pyexpat.h
gh-115398: Revert PyExpat_CAPI_MAGIC version bump (GH-116411)
2024-03-06 09:55:07 -08:00
pyframe.h
…
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-110820: Make sure processor specific defines are correct for Universal 2 build on macOS (#112828)
2023-12-08 10:09:34 +01:00
pymacro.h
gh-128972: Add _Py_ALIGN_AS and revert PyASCIIObject memory layout. (GH-133085)
2025-05-02 18:30:40 +02:00
pymath.h
gh-120026: soft deprecate Py_HUGE_VAL macro (#120027)
2024-11-01 22:04:31 +00:00
pymem.h
gh-85283: Add PyMem_RawMalloc() to the limited C API (#108570)
2023-10-17 02:41:51 +02:00
pyport.h
gh-133256: Add _Py_NONSTRING macro (#133257)
2025-05-01 17:55:49 +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-133779: Revert Windows generation of pyconfig.h and go back to a static header. (GH-133966)
2025-05-19 11:35:22 +01:00
pythonrun.h
GH-124715: Move trashcan mechanism into Py_Dealloc (GH-132280)
2025-04-30 11:37:53 +01:00
pythread.h
gh-87135: Hang non-main threads that attempt to acquire the GIL during finalization (GH-105805)
2024-10-02 09:17:49 -07:00
pytypedefs.h
…
rangeobject.h
…
README.rst
…
refcount.h
Revert gh-127266: avoid data races when updating type slots (gh-131174) (gh-133129)
2025-04-28 23:38:29 -07:00
setobject.h
…
sliceobject.h
gh-115754: Add Py_GetConstant() function (#116883)
2024-03-21 16:07:00 +00:00
structmember.h
Fix typos in comments (#120188)
2024-06-07 10:19:41 +02:00
structseq.h
gh-106168: PyTuple_SET_ITEM() now checks the index (#106164)
2023-06-28 03:45:57 +02:00
sysmodule.h
gh-125604: Move _Py_AuditHookEntry, etc. Out of pycore_runtime.h (gh-125605)
2024-10-18 09:26:08 -06:00
traceback.h
…
tupleobject.h
…
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-133610: Remove PyUnicode_AsDecoded/Encoded functions (#133612)
2025-05-09 17:31:24 +02:00
warnings.h
…
weakrefobject.h
gh-105927: Limit PyWeakref_GetRef() to limited C API 3.13 (#117091)
2024-03-20 23:52:23 +01:00

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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