cpython

clinic

gh-142349: Implement PEP 810 - Explicit lazy imports (#142351 )

2026-02-12 00:15:33 +00:00

frozen_modules

…

_contextvars.c

gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)

2025-04-09 16:18:54 -07:00

_warnings.c

gh-145055: Accept frozendict for globals in exec() and eval() (#145072 )

2026-03-05 12:35:43 +01:00

asdl.c

…

asm_trampoline.S

gh-136459: Add perf trampoline support for macOS (#136461 )

2025-07-22 16:47:24 +01:00

assemble.c

gh-87859: Track Code Object Local Kinds For Arguments (gh-132980)

2025-04-29 02:21:47 +00:00

ast_preprocess.c

gh-143055: Implementation of PEP 798 (#143056 )

2026-01-30 20:37:52 -08:00

ast_unparse.c

gh-132661: Disallow Template/str concatenation after PEP 750 spec update (#135996 )

2025-07-21 08:44:26 +02:00

ast.c

gh-143055: Implementation of PEP 798 (#143056 )

2026-01-30 20:37:52 -08:00

bltinmodule.c

gh-145055: Accept frozendict for globals in exec() and eval() (#145072 )

2026-03-05 12:35:43 +01:00

bootstrap_hash.c

GH-131238: Core header refactor (GH-131250)

2025-03-17 09:19:04 +00:00

brc.c

Fix typos in documentation and comments (#119763 )

2024-06-04 10:22:22 +00:00

bytecodes.c

gh-145214: Narrow _GUARD_TOS_ANY_{SET,DICT} by using probable type (gh-145215)

2026-03-03 09:58:38 +09:00

ceval_gil.c

gh-144748: Make PyErr_CheckSignals raise the exception scheduled by PyThreadState_SetAsyncExc (GH-145178)

2026-03-02 11:47:32 +01:00

ceval_macros.h

gh-120321: Make gi_yieldfrom thread-safe in free-threading build (#144292 )

2026-01-30 12:20:27 -05:00

ceval.c

gh-145055: Accept frozendict for globals in exec() and eval() (#145072 )

2026-03-05 12:35:43 +01:00

ceval.h

gh-142349: Implement PEP 810 - Explicit lazy imports (#142351 )

2026-02-12 00:15:33 +00:00

codecs.c

Python/codecs.c: Remove unused forward declaration (#139511 )

2025-10-03 13:33:49 +02:00

codegen.c

gh-145187: Fix crash on invalid type parameter bound expression in conditional block (GH-145188)

2026-02-24 12:44:57 -08:00

compile.c

gh-142349: Implement PEP 810 - Explicit lazy imports (#142351 )

2026-02-12 00:15:33 +00:00

condvar.h

…

config_common.h

…

context.c

gh-116738: make entering of contextvars.Context thread safe (#143074 )

2026-01-06 12:24:02 +05:30

critical_section.c

gh-144513: Skip critical section locking during stop-the-world (gh-144524)

2026-02-06 15:14:08 +00:00

crossinterp_data_lookup.h

gh-135443: Sometimes Fall Back to __main__.__dict__ For Globals (gh-135491)

2025-06-16 17:34:19 -06:00

crossinterp_exceptions.h

gh-132775: Clean Up Cross-Interpreter Error Handling (gh-135369)

2025-06-13 16:45:21 -06:00

crossinterp.c

gh-145376: Fix various reference leaks (GH-145377)

2026-03-03 16:23:30 +01:00

dtoa.c

gh-131238: Add explicit includes to pycore headers (#131257 )

2025-03-17 12:32:43 +01:00

dup2.c

…

dynamic_annotations.c

…

dynload_hpux.c

…

dynload_shlib.c

gh-131238: Remove more includes from pycore_interp.h (#131480 )

2025-03-19 23:01:32 +01:00

dynload_stub.c

…

dynload_win.c

gh-131942: Use the Python-specific Py_DEBUG macro rather than _DEBUG in Windows-related C code (GH-131944)

2025-05-08 15:01:25 +00:00

emscripten_signal.c

…

emscripten_syscalls.c

gh-124621: Emscripten: Fix __syscall_ioctl patch (GH-136993)

2025-07-22 15:05:26 +02:00

emscripten_trampoline_inner.c

gh-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (#137470 )

2025-09-17 15:33:55 +01:00

emscripten_trampoline.c

gh-145037: Fix Emscripten trampoline with emcc >= 4.0.19 (#145038 )

2026-02-26 06:21:05 +08:00

errors.c

gh-143547: Fix PyErr_FormatUnraisable() fallback (#143557 )

2026-01-09 13:16:22 +01:00

executor_cases.c.h

gh-145214: Narrow _GUARD_TOS_ANY_{SET,DICT} by using probable type (gh-145215)

2026-03-03 09:58:38 +09:00

fileutils.c

gh-42400: Fix buffer overflow in _Py_wrealpath() for very long paths (#141529 )

2025-11-18 17:34:58 +01:00

flowgraph.c

GH-143493: Conform to spec for generator expressions while supporting virtual iterators (GH-143569)

2026-01-16 09:11:58 +00:00

frame.c

gh-144446: Fix some frame object thread-safety issues (gh-144479)

2026-02-06 09:43:36 -05:00

frozen.c

GH-89435: os.path should not be a frozen module (#126924 )

2024-11-22 18:50:30 +00:00

frozenmain.c

Use PyConfig_Get() in frozenmain.c (#137421 )

2025-08-06 14:33:28 +02:00

future.c

gh-126139: Improve error message location for future statement with unknown feature (#126140 )

2024-10-29 23:57:59 +00:00

gc_free_threading.c

gh-144054: no deferred refcount for untracked (gh-144081)

2026-01-20 10:01:09 -08:00

gc_gil.c

gh-100240: Use a consistent implementation for freelists (#121934 )

2024-07-22 12:08:27 -04:00

gc.c

gh-141070: Rename PyUnstable_Object_Dump to PyObject_Dump (GH-142848)

2026-01-16 09:19:43 -05:00

generated_cases.c.h

gh-144569: Avoid creating temporary objects in BINARY_SLICE for list, tuple, and unicode (GH-144590)

2026-03-02 17:02:38 +00:00

getargs.c

gh-144175: Add PyArg_ParseArray() function (#144283 )

2026-03-06 21:57:44 +00:00

getcompiler.c

gh-141341: Rename COMPILER macro to _Py_COMPILER on Windows (#141342 )

2025-11-10 15:50:51 +01:00

getcopyright.c

gh-126133: Only use start year in PSF copyright, remove end years (#126236 )

2024-11-12 15:59:19 +02:00

getopt.c

GH-133336: Remove reserved `-J` flag for Jython (#133444 )

2025-05-05 15:09:19 +00:00

getplatform.c

…

getversion.c

gh-119132: Remove "experimental" tag from the CPython free-threading. (gh-135550)

2025-06-16 23:32:52 +09:00

hamt.c

gh-142829: Fix use-after-free in Context.__eq__ via re-entrant ContextVar.set (#142905 )

2026-01-09 17:57:34 +05:30

hashtable.c

…

import.c

gh-145055: Accept frozendict for globals in exec() and eval() (#145072 )

2026-03-05 12:35:43 +01:00

importdl.c

gh-140011: Delete importdl assertion that prevents importing embedded modules from packages (GH-141605)

2025-11-26 14:12:49 +01:00

index_pool.c

gh-91048: Refactor and optimize remote debugging module (#134652 )

2025-05-25 20:19:29 +00:00

initconfig.c

GH-145275: add -X pathconfig_warnings and PYTHON_PATHCONFIG_WARNINGS (#145277 )

2026-03-02 19:19:05 +00:00

instruction_sequence.c

GH-143493: Conform to spec for generator expressions while supporting virtual iterators (GH-143569)

2026-01-16 09:11:58 +00:00

instrumentation.c

GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)

2026-02-19 11:52:57 +00:00

interpconfig.c

GH-131238: Core header refactor (GH-131250)

2025-03-17 09:19:04 +00:00

intrinsics.c

gh-111489: Remove _PyTuple_FromArray() alias (#139973 )

2025-10-11 22:58:14 +02:00

jit.c

fix warnings in jit builds (GH-144817)

2026-02-14 17:39:10 +00:00

legacy_tracing.c

gh-137400: Fix thread-safety issues when profiling all threads (gh-137518)

2025-08-13 14:15:12 -04:00

lock.c

gh-120321: Make gi_yieldfrom thread-safe in free-threading build (#144292 )

2026-01-30 12:20:27 -05:00

marshal.c

gh-141510: Change marshal version to 6 (#145551 )

2026-03-06 10:23:11 +01:00

modsupport.c

gh-137210: Add a struct, slot & function for checking an extension's ABI (GH-137212)

2025-09-05 16:23:18 +02:00

mysnprintf.c

…

mystrtoul.c

…

object_stack.c

gh-100240: Use a consistent implementation for freelists (#121934 )

2024-07-22 12:08:27 -04:00

opcode_targets.h

gh-142982: Specialize CALL_FUNCTION_EX (GH-143391)

2026-01-06 20:34:08 +00:00

optimizer_analysis.c

gh-145214: Narrow _GUARD_TOS_ANY_{SET,DICT} by using probable type (gh-145215)

2026-03-03 09:58:38 +09:00

optimizer_bytecodes.c

gh-145214: Narrow _GUARD_TOS_ANY_{SET,DICT} by using probable type (gh-145215)

2026-03-03 09:58:38 +09:00

optimizer_cases.c.h

gh-145214: Narrow _GUARD_TOS_ANY_{SET,DICT} by using probable type (gh-145215)

2026-03-03 09:58:38 +09:00

optimizer_symbols.c

gh-145214: Narrow _GUARD_TOS_ANY_{SET,DICT} by using probable type (gh-145215)

2026-03-03 09:58:38 +09:00

optimizer.c

gh-145064: Fix JIT assertion failure during CALL_ALLOC_AND_ENTER_INIT side exit (GH-145100)

2026-02-22 18:46:03 +00:00

parking_lot.c

gh-137433: Fix deadlock with stop-the-world and daemon threads (gh-137735)

2025-09-16 09:21:58 +01:00

pathconfig.c

gh-133644: Remove deprecated Python initialization getter functions (#133661 )

2025-05-09 11:39:23 +00:00

perf_jit_trampoline.c

gh-144194: Fix mmap failure check in perf_jit_trampoline.c (#143713 )

2026-01-28 13:30:17 +00:00

perf_trampoline.c

gh-144766: Fix a crash in fork child process when perf support is enabled. (#144795 )

2026-02-14 11:41:28 +00:00

preconfig.c

gh-145092: Fix compiler warning for memchr() and wcschr() returning const pointer (GH-145093)

2026-02-22 10:01:27 +02:00

pyarena.c

Chore: Fix typo in pyarena.c (#126527 )

2024-11-07 16:37:41 +01:00

pyctype.c

…

pyfpe.c

…

pyhash.c

gh-141226: Deprecate PEP-456 support for embedders (#141287 )

2026-02-21 12:42:13 +01:00

pylifecycle.c

gh-142417: Restore private _Py_InitializeMain() function (#145472 )

2026-03-04 11:00:08 +01:00

pymath.c

…

pystate.c

gh-144068: fix JIT tracer memory leak when daemon thread exits (GH-144077)

2026-01-24 09:43:01 +00:00

pystats.c

GH-135379: Top of stack caching for the JIT. (GH-135465)

2025-12-11 10:32:52 +00:00

pystrcmp.c

…

pystrhex.c

gh-144015: Add portable SIMD optimization for bytes.hex() et. al. (GH-143991)

2026-02-22 19:19:03 -08:00

pystrtod.c

gh-141004: soft-deprecate Py_INFINITY macro (#141033 )

2025-11-12 13:44:49 +01:00

Python-ast.c

gh-142349: Implement PEP 810 - Explicit lazy imports (#142351 )

2026-02-12 00:15:33 +00:00

Python-tokenize.c

gh-111178: Fix function signatures for test_types (#131455 )

2025-03-19 13:46:17 +00:00

pythonrun.c

gh-145055: Accept frozendict for globals in exec() and eval() (#145072 )

2026-03-05 12:35:43 +01:00

pytime.c

gh-80620: Support negative timestamps on windows in time.gmtime, time.localtime, and datetime module (#143463 )

2026-01-15 10:51:11 +01:00

qsbr.c

gh-144438: Fix false sharing between QSBR and tlbc_index (gh-144554)

2026-02-17 11:12:25 -05:00

README

…

record_functions.c.h

gh-145197: Fix JIT trace crash when recording function from cleared generator frame (GH-145220)

2026-02-25 16:52:53 +00:00

remote_debug.h

gh-144316: Fix missing exception in _remote_debugging with debug=False (#144442 )

2026-02-26 21:14:34 +00:00

remote_debugging.c

gh-138122: Implement frame caching in RemoteUnwinder to reduce memory reads (#142137 )

2025-12-06 22:37:34 +00:00

specialize.c

gh-100239: Use `PyFloat_AS_DOUBLE and _PyLong_IsZero`` in the float / compactlong specializations (#144826 )

2026-02-19 21:45:59 +02:00

stackrefs.c

gh-131527: Stackref debug borrow checker (#140599 )

2025-11-05 11:12:56 -08:00

stdlib_module_names.h

gh-81313: Add the math.integer module (PEP-791) (GH-133909)

2025-10-31 16:13:43 +02:00

structmember.c

gh-41779: Allow defining any __slots__ for a class derived from tuple (GH-141763)

2026-01-06 11:36:00 +02:00

suggestions.c

GH-131238: Core header refactor (GH-131250)

2025-03-17 09:19:04 +00:00

symtable.c

gh-142349: Implement PEP 810 - Explicit lazy imports (#142351 )

2026-02-12 00:15:33 +00:00

sysmodule.c

gh-145376: Fix various reference leaks (GH-145377)

2026-03-03 16:23:30 +01:00

thread_nt.h

gh-134745: Change PyThread_allocate_lock() implementation to PyMutex (#134747 )

2025-05-30 10:15:47 +00:00

thread_pthread_stubs.h

gh-125161: return non zero value in pthread_self on wasi (#125303 )

2024-10-13 20:59:41 +05:30

thread_pthread.h

gh-137884: Added threading.get_native_id() on Illumos/Solaris (GH-137927)

2025-08-20 17:10:44 +00:00

thread.c

gh-134745: Use "pymutex" for sys.thread_info on Windows (#141140 )

2025-11-06 16:10:39 +01:00

tier2_engine.md

…

traceback.c

gh-143108: Don't instrument some faulthandler related functions for TSan (#143450 )

2026-01-05 22:13:29 +01:00

tracemalloc.c

gh-144763: Don't detach the GIL in tracemalloc (#144779 )

2026-02-18 15:57:48 +00:00

uniqueid.c

gh-128923: Use zero to indicate unassigned unique id (#128925 )

2025-01-17 16:42:27 +01:00

vm-state.md

gh-133079: Remove Py_C_RECURSION_LIMIT & PyThreadState.c_recursion_remaining (GH-133080)

2025-04-29 12:56:20 +02:00