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cpython/Objects
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Sergey Miryanov 32c264982e
gh-140061: Use _PyObject_IsUniquelyReferenced() to check if objects are uniquely referenced (gh-140062) 
The previous `Py_REFCNT(x) == 1` checks can have data races in the free
threaded build. `_PyObject_IsUniquelyReferenced(x)` is a more conservative
check that is safe in the free threaded build and is identical to
`Py_REFCNT(x) == 1` in the default GIL-enabled build.
2025-10-15 09:48:21 -04:00
..
clinic gh-129559: Remove extra dot in bytearray.resize AC (#140134) 2025-10-15 02:39:17 +00:00
mimalloc gh-123826: Fix unused function warnings in mimalloc on NetBSD (#123827) 2024-09-09 13:22:28 -04:00
stringlib gh-139353: Rename formatter_unicode.c to unicode_formatter.c (#139723) 2025-10-08 14:56:00 +02:00
abstract.c gh-130821: Add type information to error messages for invalid return type (GH-130835) 2025-08-14 11:04:41 +03:00
boolobject.c gh-111178: remove redundant casts for functions with correct signatures (#131673) 2025-04-01 17:18:11 +02:00
bytearrayobject.c gh-129559: Remove extra dot in bytearray.resize AC (#140134) 2025-10-15 02:39:17 +00:00
bytes_methods.c gh-129813, PEP 782: Use PyBytesWriter in _Py_bytes_maketrans() (#139044) 2025-09-17 17:43:30 +02:00
bytesobject.c gh-140061: Use _PyObject_IsUniquelyReferenced() to check if objects are uniquely referenced (gh-140062) 2025-10-15 09:48:21 -04:00
call.c gh-111489: Remove _PyTuple_FromArray() alias (#139973) 2025-10-11 22:58:14 +02:00
capsule.c gh-111178: fix UBSan failures in Objects/capsule.c (GH-128239) 2025-01-08 14:55:04 +01:00
cellobject.c gh-127271: Replace use of PyCell_GET/SET (gh-127272) 2024-12-03 10:33:06 -08:00
classobject.c gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) 2025-06-30 11:14:31 +00:00
codeobject.c gh-138661: fix data race in PyCode_Addr2Line (#138664) 2025-09-12 18:04:55 +05:30
complexobject.c GH-137623: Use an AC decorator for docstring line length enforcement (#137690) 2025-08-18 18:29:00 +01:00
descrobject.c gh-111489: Remove _PyTuple_FromArray() alias (#139973) 2025-10-11 22:58:14 +02:00
dictnotes.txt bpo-46845: Reduce dict size when all keys are Unicode (GH-31564) 2022-03-02 08:09:28 +09:00
dictobject.c gh-140061: Use _PyObject_IsUniquelyReferenced() to check if objects are uniquely referenced (gh-140062) 2025-10-15 09:48:21 -04:00
enumobject.c gh-137609: Change names of some positional-only parameters in builtins (GH-137611) 2025-08-25 15:36:06 +03:00
exceptions.c gh-111489: Remove _PyTuple_FromArray() alias (#139973) 2025-10-11 22:58:14 +02:00
fileobject.c gh-130821: Add type information to error messages for invalid return type (GH-130835) 2025-08-14 11:04:41 +03:00
floatobject.c GH-137623: Use an AC decorator for docstring line length enforcement (#137690) 2025-08-18 18:29:00 +01:00
frameobject.c GH-137623: Use an AC decorator for docstring line length enforcement (#137690) 2025-08-18 18:29:00 +01:00
funcobject.c gh-139924: Add PyFunction_PYFUNC_EVENT_MODIFY_QUALNAME event for function watchers (#139925) 2025-10-10 15:25:38 -07:00
genericaliasobject.c gh-138479: Ensure that __typing_subst__ returns a tuple (GH-138482) 2025-09-11 06:39:09 -04:00
genobject.c gh-138902: Fix generator send arg name (#138905) 2025-09-15 14:05:36 +03:00
interpolationobject.c gh-132661: Add default value (of "") for Interpolation.expression (#136441) 2025-07-10 16:27:41 +02:00
iterobject.c gh-130821: Add type information to error messages for invalid return type (GH-130835) 2025-08-14 11:04:41 +03:00
listobject.c gh-140009: Improve performance of list_extend_dictitems by using PyTuple_FromArray (#140010) 2025-10-13 15:58:25 +05:30
listsort.txt gh-135551: Change how sorting picks minimum run length (#135553) 2025-06-26 23:48:05 -05:00
lnotab_notes.txt gh-119786: add code object doc, inline locations.md into it (#126832) 2024-11-22 19:27:41 +00:00
longobject.c gh-140061: Use _PyObject_IsUniquelyReferenced() to check if objects are uniquely referenced (gh-140062) 2025-10-15 09:48:21 -04:00
memoryobject.c gh-129813, PEP 782: Use PyBytesWriter in memoryview (#138836) 2025-09-13 18:36:05 +02:00
methodobject.c gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) 2025-06-30 11:14:31 +00:00
moduleobject.c gh-137956: Guard against non-free-threaded extensions in free-threaded builds (GH-137957) 2025-09-15 11:24:16 +00:00
namespaceobject.c gh-136193: Improve TypeError msg when comparing two SimpleNamespaces (#136195) 2025-07-02 14:32:41 +03:00
object.c GH-138355: Remove trash_delete_later from _gc_runtime_state (#138767) 2025-09-17 21:25:24 +01:00
object_layout.md GH-115776: Allow any fixed sized object to have inline values (GH-123192) 2024-08-21 15:52:04 +01:00
object_layout_312.gv GH-115776: Embed the values array into the object, for "normal" Python objects. (GH-116115) 2024-04-02 11:59:21 +01:00
object_layout_312.png gh-71648: Optimize PNG files (GH-138842) 2025-09-12 20:13:05 +00:00
object_layout_313.gv GH-115776: Embed the values array into the object, for "normal" Python objects. (GH-116115) 2024-04-02 11:59:21 +01:00
object_layout_313.png gh-71648: Optimize PNG files (GH-138842) 2025-09-12 20:13:05 +00:00
object_layout_full_312.gv GH-96068: Document object layout (GH-96069) 2022-08-23 13:55:43 +01:00
object_layout_full_312.png gh-71648: Optimize PNG files (GH-138842) 2025-09-12 20:13:05 +00:00
object_layout_full_313.gv GH-115776: Embed the values array into the object, for "normal" Python objects. (GH-116115) 2024-04-02 11:59:21 +01:00
object_layout_full_313.png gh-71648: Optimize PNG files (GH-138842) 2025-09-12 20:13:05 +00:00
obmalloc.c GH-131033: Enable the optimizing macros UNLIKELY and LIKELY for Clang (GH-131019) 2025-08-25 21:59:52 +01:00
odictobject.c gh-125996: fix thread safety of collections.OrderedDict (#133734) 2025-10-13 22:55:07 +05:30
picklebufobject.c gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) 2025-06-30 11:14:31 +00:00
rangeobject.c gh-126703: Add freelist for range and range_iter objects (GH-128619) 2025-04-07 04:40:52 +08:00
README Issue #18093: Factor out the programs that embed the runtime 2014-07-25 21:52:14 +10:00
setobject.c gh-140061: Use _PyObject_IsUniquelyReferenced() to check if objects are uniquely referenced (gh-140062) 2025-10-15 09:48:21 -04:00
sliceobject.c gh-111178: Fix function signatures for multiple tests (#131496) 2025-03-20 12:27:03 +01:00
structseq.c gh-111489: Remove _PyTuple_FromArray() alias (#139973) 2025-10-11 22:58:14 +02:00
templateobject.c gh-132661: Disallow Template/str concatenation after PEP 750 spec update (#135996) 2025-07-21 08:44:26 +02:00
tupleobject.c gh-140061: Use _PyObject_IsUniquelyReferenced() to check if objects are uniquely referenced (gh-140062) 2025-10-15 09:48:21 -04:00
typeobject.c gh-140126: Fix compile error if --with-assertions is enabled (#140133) 2025-10-14 23:34:30 +00:00
typeslots.inc 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
typeslots.py gh-124153: Implement PyType_GetBaseByToken() and Py_tp_token slot (GH-124163) 2024-09-18 09:18:19 +02:00
typevarobject.c gh-140000: Traverse name attribute for TypeVar, TypeVarTuple, TypeAliasType, ParamSpec (#140016) 2025-10-13 13:10:39 -07:00
unicode_format.c gh-139353: Add Objects/unicode_format.c file (#139491) 2025-10-10 12:52:59 +02:00
unicode_formatter.c gh-139353: Rename formatter_unicode.c to unicode_formatter.c (#139723) 2025-10-08 14:56:00 +02:00
unicodectype.c gh-82045: Correct and deduplicate "isprintable" docs; add test. (GH-130118) 2025-02-14 18:16:47 +01:00
unicodeobject.c gh-111489: Remove _PyTuple_FromArray() alias (#139973) 2025-10-11 22:58:14 +02:00
unicodetype_db.h closes gh-138706: update Unicode to 17.0.0 (#138719) 2025-09-11 09:58:39 -07:00
unionobject.c gh-139988: fix a leak when failing to create a Union type (#139990) 2025-10-12 12:51:44 +02:00
weakrefobject.c gh-133644: remove PyWeakref_GetObject and PyWeakref_GET_OBJECT (GH-133657) 2025-09-24 11:25:56 +02:00

README 

Source files for various builtin objects