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cpython/Objects
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Serhiy Storchaka 618a42410f
[3.13] gh-143006: Fix and optimize mixed comparison of float and int (GH-143084) (GH-143624) 
When comparing negative non-integer float and int with the same number
of bits in the integer part, __neg__() in the int subclass returning
not an int caused an assertion error.

Now the integer is no longer negated. Also, reduced the number of
temporary created Python objects.
(cherry picked from commit 66bca383bd)
2026-01-09 17:43:35 +00:00
..
clinic [3.13] gh-128714: Fix function object races in __annotate__, __annotations__ and __type_params__ in free-threading build (GH-129016) (#129729) 2025-02-23 21:49:55 -05:00
mimalloc [3.13] Fix typos (#123775) (#123866) 2024-10-07 23:44:31 +02:00
stringlib [3.13] gh-127971: fix off-by-one read beyond the end of a string during search (#132574) (#136648) 2025-07-14 11:50:22 +02:00
abstract.c gh-116316: Fix typo in UNARY_FUNC(PyNumber_Positive) macros (GH-116317) 2024-03-04 17:57:01 +00:00
boolobject.c [3.13] gh-122982: Extend the deprecation period for bool inversion by two years (GH-123306) (#123316) 2024-08-25 19:48:34 +00:00
bytearrayobject.c [3.13] gh-143003: Fix possible shared buffer overflow in bytearray.extend() (GH-143086) (GH-143448) 2026-01-06 13:49:31 +02:00
bytes_methods.c gh-117431: Adapt bytes and bytearray .find() and friends to Argument Clinic (#117502) 2024-04-12 07:40:55 +00:00
bytesobject.c [3.13] gh-140939: Fix memory leak in _PyBytes_FormatEx error path (GH-140957) (#141155) 2025-11-06 16:16:43 +00:00
call.c [3.13] gh-142737: Handle lost io.open in _Py_FindSourceFile (GH-142747) (GH-142774) 2025-12-15 23:27:15 +00:00
capsule.c [3.13] gh-124538: Fix crash when using gc.get_referents on an untracked capsule object (GH-124559) (#124588) 2024-09-26 13:51:58 -07:00
cellobject.c gh-117323: Make cell thread-safe in free-threaded builds (#117330) 2024-03-29 13:35:43 -04:00
classobject.c [3.13] gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) (#136126) 2025-07-01 11:26:52 +02:00
codeobject.c [3.13] gh-140815: Fix faulthandler for invalid/freed frame (#140921) (#140985) 2025-11-05 18:39:28 +01:00
complexobject.c [3.13] gh-113841: fix possible undefined division by 0 in _Py_c_pow() (GH-127211) (#127216) 2024-12-02 15:42:02 +01:00
descrobject.c [3.13] gh-132747: Fix NULL dereference when calling a method's __get__ manually (GH-132772) (#132786) 2025-04-21 21:38:51 +00:00
dictnotes.txt bpo-46845: Reduce dict size when all keys are Unicode (GH-31564) 2022-03-02 08:09:28 +09:00
dictobject.c [3.13] gh-142218: Fix split table dictionary crash (gh-142229) (gh-142245) 2025-12-04 07:46:24 +00:00
enumobject.c gh-106320: Create pycore_modsupport.h header file (#106355) 2023-07-03 09:39:11 +00:00
exception_handling_notes.txt GH-105848: Simplify the arrangement of CALL's stack (GH-107788) 2023-08-09 18:19:39 +00:00
exceptions.c [3.13] gh-141732: Fix ExceptionGroup repr changing when original exception sequence is mutated (GH-141736) (#142391) 2025-12-08 18:46:55 +00:00
fileobject.c gh-87193: Support bytes objects with refcount > 1 in _PyBytes_Resize() (GH-117160) 2024-03-25 16:32:11 +01:00
floatobject.c [3.13] gh-143006: Fix and optimize mixed comparison of float and int (GH-143084) (GH-143624) 2026-01-09 17:43:35 +00:00
frame_layout.md gh-109094: replace frame->prev_instr by frame->instr_ptr (#109095) 2023-10-26 13:43:10 +00:00
frameobject.c [3.13] gh-128396: Fix a crash when inline comprehension has the same … (#130311) 2025-02-19 17:40:03 +00:00
funcobject.c [3.13] gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) (#136126) 2025-07-01 11:26:52 +02:00
genericaliasobject.c [3.13] gh-138479: Ensure that __typing_subst__ returns a tuple (GH-138482) (GH-138786) 2025-09-11 11:08:57 +00:00
genobject.c [3.13] gh-140373: Correctly emit PY_UNWIND event when generator is closed (GH-140767) (#140821) 2025-12-20 16:21:11 +02:00
iterobject.c [3.13] gh-128078: Clear exception in anext before calling _PyGen_SetStopIterationValue (GH-128780) (#128785) 2025-01-13 13:20:49 +00:00
listobject.c [3.13] GH-133136: Revise QSBR to reduce excess memory held (gh-135473) (gh-136480) 2025-07-30 11:06:44 -07:00
listsort.txt GH-116939: Rewrite binarysort() (#116940) 2024-03-21 22:27:25 -05:00
lnotab_notes.txt Document the co_lines method on code objects (#113682) 2024-01-03 19:29:24 +00:00
locations.md GH-88116: Use a compact format to represent end line and column offsets. (GH-91666) 2022-04-21 16:10:37 +01:00
longobject.c [3.13] gh-142554: avoid divmod crashes due to bad _pylong.int_divmod (GH-142673) (#142697) 2025-12-14 09:03:14 +00:00
memoryobject.c [3.13] gh-142664: fix PyObject_Hash invokation post GH-143217 (GH-143223) (#143225) 2025-12-27 14:53:13 +00:00
methodobject.c [3.13] gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) (#136126) 2025-07-01 11:26:52 +02:00
moduleobject.c [3.13] gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) (#136126) 2025-07-01 11:26:52 +02:00
namespaceobject.c [3.13] gh-135878: Fix crash in types.SimpleNamespace.__repr__ (GH-135889) (#135895) 2025-06-24 16:59:29 +00:00
object.c [3.13] gh-117657: Enable test_opcache under TSAN (GH-129831) (GH-130597) 2025-02-26 13:59:59 -05:00
object_layout.md 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.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 [3.13] gh-71648: Optimize PNG files (GH-138842) (#138852) 2025-09-14 08:29:59 -07:00
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 [3.13] gh-71648: Optimize PNG files (GH-138842) (#138852) 2025-09-14 08:29:59 -07:00
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 [3.13] gh-71648: Optimize PNG files (GH-138842) (#138852) 2025-09-14 08:29:59 -07:00
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 [3.13] gh-71648: Optimize PNG files (GH-138842) (#138852) 2025-09-14 08:29:59 -07:00
obmalloc.c [3.13] GH-133136: Revise QSBR to reduce excess memory held (gh-135473) (gh-136480) 2025-07-30 11:06:44 -07:00
odictobject.c [3.13] gh-138516: fix typo in OrderedDict exception msg (GH-138517) (#138522) 2025-09-05 07:19:43 +00:00
picklebufobject.c [3.13] gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) (#136126) 2025-07-01 11:26:52 +02:00
rangeobject.c [3.13] GH-141312: Allow only integers to longrangeiter_setstate state (GH-141317) (GH-141568) 2025-11-15 21:14:17 +02:00
README Issue #18093: Factor out the programs that embed the runtime 2014-07-25 21:52:14 +10:00
setobject.c [3.13] gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) (#136126) 2025-07-01 11:26:52 +02:00
sliceobject.c gh-117764: Add docstrings and signatures for the types of None, Ellipsis and NotImplemented (GH-117813) 2024-04-12 15:45:23 +03:00
structseq.c [3.13] gh-123091: Use more _Py_IsImmortalLoose() (GH-123602) (GH-123622) 2024-09-03 12:36:42 +02:00
tupleobject.c [3.13] gh-126076: Account for relocated objects in tracemalloc (GH-126077) (#127823) 2024-12-11 14:15:37 +01:00
typeobject.c [3.13] gh-132835: Add defensive NULL checks to MRO resolution (GH-134763) (GH-140437) 2025-10-21 20:44:42 -07:00
typeslots.inc bpo-41073: PyType_GetSlot() can now accept static types. (GH-21931) 2020-11-10 12:53:46 -08:00
typeslots.py bpo-41073: PyType_GetSlot() can now accept static types. (GH-21931) 2020-11-10 12:53:46 -08:00
typevarobject.c [3.13] gh-143089: Fix ParamSpec default examples to use list instead of tuple (GH-143179) (#143539) 2026-01-08 11:49:43 +00:00
unicodectype.c [3.13] gh-82045: Correct and deduplicate "isprintable" docs; add test. (GH-130127) 2025-02-17 15:02:39 +01:00
unicodeobject.c [3.13] gh-58124: Avoid CP_UTF8 in UnicodeDecodeError (GH-137415) (#137461) 2025-08-06 12:59:11 +00:00
unicodetype_db.h gh-96954: Fix make regen-unicodedata in out-of-tree builds (#112118) 2023-11-15 16:42:17 +00:00
unionobject.c [3.13] gh-132713: Fix typing.Union[index] race condition (GH-132802) (#132839) 2025-04-23 14:12:03 +00:00
weakrefobject.c [3.13] gh-121652: Handle allocate_weakref returning NULL (GH-121653) (#121721) 2024-07-13 16:31:50 +00:00

README 

Source files for various builtin objects