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cpython/Objects
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Sam Gross 0b65c88c2a
gh-145685: Stop the world when updating MRO of existing types (gh-145707) 
We already have a stop-the-world pause elsewhere in this code path
(type_set_bases) and this makes will make it easier to avoid contention
on the TYPE_LOCK when looking up names in the MRO hierarchy.

Also use deferred reference counting for non-immortal MROs.
2026-03-09 18:41:07 -04:00
..
clinic gh-141510: No longer accept frozendict in PyDict_Copy() (#145542) 2026-03-05 15:26:54 +01:00
mimalloc gh-145615: Fix mimalloc page leak in the free-threaded build (gh-145626) 2026-03-09 13:24:34 -04:00
stringlib gh-145092: Fix compiler warning for memchr() and wcschr() returning const pointer (GH-145093) 2026-02-22 10:01:27 +02:00
abstract.c GH-139922: Tail calling for MSVC (VS 2026) (GH-143068) 2025-12-22 23:01:34 +00:00
boolobject.c gh-111178: remove redundant casts for functions with correct signatures (#131673) 2025-04-01 17:18:11 +02:00
bytearrayobject.c gh-143003: Fix possible shared buffer overflow in bytearray.extend() (GH-143086) 2025-12-28 12:30:36 +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-142037: Fix a refleak introduced in GH-142081 (GH-144256) 2026-01-26 21:15:21 +00:00
call.c gh-139103: Use borrowed references for positional args in _PyStack_UnpackDict (gh-144407) 2026-02-03 12:24:35 -05:00
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-77188: Add support for pickling private methods and nested classes (GH-21480) 2026-02-05 19:50:51 +00:00
codeobject.c gh-145055: Accept frozendict for globals in exec() and eval() (#145072) 2026-03-05 12:35:43 +01:00
complexobject.c gh-141004: soft-deprecate Py_INFINITY macro (#141033) 2025-11-12 13:44:49 +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-141510: Optimize frozendict(frozendict) (#145592) 2026-03-09 15:47:02 +01:00
enumobject.c gh-145376: Fix various reference leaks in Objects/ and Modules/ (#145385) 2026-03-09 14:19:36 +01:00
exceptions.c gh-145376: Fix refleak in unusual error path in BaseExceptionGroup_new (GH-145474) 2026-03-04 14:34:24 +01:00
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-143006: Fix and optimize mixed comparison of float and int (GH-143084) 2026-01-09 19:06:45 +02:00
frameobject.c GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948) 2026-02-19 11:52:57 +00:00
funcobject.c gh-145055: Accept frozendict for globals in exec() and eval() (#145072) 2026-03-05 12:35:43 +01:00
genericaliasobject.c gh-145376: Fix various refleaks in Objects/ (#145609) 2026-03-09 14:17:27 +01:00
genobject.c gh-120321: Add gi_state, cr_state, and ag_state attributes (gh-144409) 2026-02-03 13:06:32 -05:00
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
lazyimportobject.c gh-142349: Implement PEP 810 - Explicit lazy imports (#142351) 2026-02-12 00:15:33 +00:00
listobject.c gh-145376: Fix various reference leaks in Objects/ and Modules/ (#145385) 2026-03-09 14:19:36 +01:00
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-143192 Avoid incref/decref pair in long_bitwise (gh-143194) 2026-01-29 16:32:09 -05:00
memoryobject.c gh-144995: Optimize memoryview == memoryview (#144996) 2026-03-03 12:15:32 +01:00
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-142349: Implement PEP 810 - Explicit lazy imports (#142351) 2026-02-12 00:15:33 +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-145376: Fix various refleaks in Objects/ (#145609) 2026-03-09 14:17:27 +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-145615: Fix mimalloc page leak in the free-threaded build (gh-145626) 2026-03-09 13:24:34 -04:00
odictobject.c gh-142217: Remove internal _Py_Identifier functions (#142219) 2025-12-03 14:33:32 +01:00
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-129068: Make range iterators thread-safe (gh-142886) 2025-12-18 13:11:51 -05:00
README Issue #18093: Factor out the programs that embed the runtime 2014-07-25 21:52:14 +10:00
setobject.c gh-141510: Add frozendict fast-path to the set type (#144912) 2026-02-18 15:25:47 +01:00
sliceobject.c gh-142913: Add test case for interpreter generator w/ overridden opcodes (#142911) 2026-01-16 10:33:29 -08:00
structseq.c gh-145376: Fix various refleaks in Objects/ (#145609) 2026-03-09 14:17:27 +01:00
templateobject.c gh-142433: Move deref to below the error when checking for laststring (#142402) 2025-12-10 16:41:52 +01:00
tupleobject.c gh-144569: Avoid creating temporary objects in BINARY_SLICE for list, tuple, and unicode (GH-144590) 2026-03-02 17:02:38 +00:00
typeobject.c gh-145685: Stop the world when updating MRO of existing types (gh-145707) 2026-03-09 18:41:07 -04:00
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-145376: Fix various refleaks in Objects/ (#145609) 2026-03-09 14:17:27 +01:00
unicode_format.c gh-142037: Improve error messages for printf-style formatting (GH-142081) 2026-01-24 11:13:50 +00:00
unicode_formatter.c gh-139353: Rename formatter_unicode.c to unicode_formatter.c (#139723) 2025-10-08 14:56:00 +02:00
unicode_writer.c gh-139353: Add Objects/unicode_writer.c file (#139911) 2025-10-30 14:36:15 +01:00
unicodectype.c gh-129117: Add unicodedata.isxidstart() function (#140269) 2025-10-30 10:18:12 +00:00
unicodeobject.c gh-145376: Fix various refleaks in Objects/ (#145609) 2026-03-09 14:17:27 +01:00
unicodetype_db.h closes gh-138706: update Unicode to 17.0.0 (#138719) 2025-09-11 09:58:39 -07:00
unionobject.c gh-140348: Fix using | on unusual objects plus Unions (#140383) 2025-11-03 06:50:37 -08:00
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