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Dino Viehland 94c8bac2cd [3.15] gh-148587: Make sys.lazy_modules match PEP and keep internal lazy submodules tra… (#150014) 
Make sys.lazy_modules match PEP and keep internal lazy submodules tracking internal
2026-05-18 17:53:54 -07:00
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cpython
[3.15] gh-149685: Use the _Py prefix for private C macros (GH-149686) (GH-149790)
2026-05-13 23:29:08 +02:00
internal
[3.15] gh-148587: Make sys.lazy_modules match PEP and keep internal lazy submodules tra… (#150014)
2026-05-18 17:53:54 -07:00
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
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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
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bytesobject.h
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ceval.h
gh-135755: Move SPECIAL_ constants to a private header (GH-135922)
2025-06-25 13:03:05 +02:00
codecs.h
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compile.h
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complexobject.h
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critical_section.h
gh-149225: Expose Py_CriticalSection in Stable ABI (GH-149227)
2026-05-04 17:32:17 +02:00
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
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enumobject.h
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errcode.h
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exports.h
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
fileobject.h
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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
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genericaliasobject.h
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import.h
gh-142349: Fix build errors from PEP 810 (#144726)
2026-02-12 08:18:36 +00:00
intrcheck.h
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iterobject.h
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listobject.h
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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
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methodobject.h
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modsupport.h
gh-142225: Fix PyABIInfo_VAR macro (GH-142230)
2025-12-04 10:33:15 +01:00
moduleobject.h
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
object.h
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
objimpl.h
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opcode_ids.h
GH-143732: SEND specialization (GH-148963)
2026-05-05 15:19:16 +01:00
opcode.h
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osdefs.h
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osmodule.h
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patchlevel.h
Post 3.15.0b1
2026-05-07 19:01:11 +03:00
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-148690: Build Windows freethreaded binaries into separate directory and include python3t.dll on GIL-enabled (GH-149218)
2026-05-04 17:45:08 +01:00
pyatomic.h
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pybuffer.h
gh-137696: Rename 'fort' parameter to 'order' in PyBuffer_* functions (#137866)
2026-03-19 16:54:27 +05:30
pycapsule.h
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pydtrace.d
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pydtrace.h
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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
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pyhash.h
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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
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pyport.h
gh-148850: Fix memory sanitizer false positive in os.getrandom (GH-148851)
2026-05-01 17:37:36 +02:00
pystate.h
gh-149101: Implement PEP 788 (GH-149116)
2026-05-06 17:39:30 -04:00
pystats.h
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pystrcmp.h
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pystrtod.h
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Python.h
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +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
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
rangeobject.h
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README.rst
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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
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sliceobject.h
[3.15] gh-149685: Use the _Py prefix for private C macros (GH-149686) (GH-149790)
2026-05-13 23:29:08 +02:00
slots_generated.h
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
slots.h
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
structmember.h
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structseq.h
[3.15] gh-149685: Use the _Py prefix for private C macros (GH-149686) (GH-149790)
2026-05-13 23:29:08 +02:00
sysmodule.h
gh-138886: Remove deprecated PySys_ResetWarnOptions C-API function (#138887)
2025-09-15 12:01:33 +03:00
traceback.h
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tupleobject.h
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unicodeobject.h
gh-146175: Soft-deprecate outdated macros; convert internal usage (GH-146178)
2026-03-23 12:42:09 +01:00
warnings.h
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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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