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Gregory P. Smith 9a235416c1 gh-159188: Do not immortalize constants in compile() of an AST (GH-159198)

In the free-threaded build, compile() of a source string sets
suppress_co_const_immortalization so that its output is the same as in
the default build.  The branch for AST objects returned before that, so
constants were replaced by the immortal ones of the interpreter's table
while a tuple of names (such as co_names) which was the same object was
not, and the marshal output depended on the code objects created before
in the process.

2026-10-24 23:59:27 -07:00

clinic

gh-114258: Update _ctypes and tokenize to use AC where it can be. (gh-160404)

2026-10-23 02:42:16 +00:00

frozen_modules

gh-97669: Create Tools/build/ directory (#97963 )

2022-10-17 12:01:00 +02:00

_contextvars.c

gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770 )

2026-03-24 17:47:55 +00:00

_strptime.c

gh-158252: Add a C implementation for strptime (#158253 )

2026-10-23 15:23:02 +00:00

_warnings.c

gh-159739: Fix reference and error handling in warnings (#159758 )

2026-10-20 21:34:23 -07:00

asdl.c

bpo-43244: Remove ast.h, asdl.h, Python-ast.h headers (GH-24933)

2021-03-23 20:47:40 +01:00

asm_trampoline_aarch64.S

gh-128883: Store ELF perf trampoline templates in read-only data (#160366 )

2026-10-23 19:29:45 +00:00

asm_trampoline_riscv64.S

gh-128883: Store ELF perf trampoline templates in read-only data (#160366 )

2026-10-23 19:29:45 +00:00

asm_trampoline_x86_64.S

gh-128883: Store ELF perf trampoline templates in read-only data (#160366 )

2026-10-23 19:29:45 +00:00

assemble.c

gh-158585: Simplify PyBytesWriter_Finish() (#158822 )

2026-10-05 04:47:04 +02:00

ast_preprocess.c

gh-152708: Fix AST generation asymmetry for unary positive in match statements (#152712 )

2026-09-23 19:56:53 -07:00

ast_unparse.c

gh-143055: Fix crash in AST unparser when unparsing dict comprehension unpacking (#145556 )

2026-03-09 10:37:23 -07:00

ast.c

gh-152708: Fix AST generation asymmetry for unary positive in match statements (#152712 )

2026-09-23 19:56:53 -07:00

bltinmodule.c

gh-159188: Do not immortalize constants in compile() of an AST (GH-159198)

2026-10-24 23:59:27 -07:00

bootstrap_hash.c

gh-153400: Support os.getrandom() on old glibc versions (#155762 )

2026-09-10 22:58:27 +02:00

brc.c

gh-157838: Merge biased refcounts on behalf of detached threads (#157839 )

2026-09-23 22:08:56 +05:30

bytecodes.c

gh-156399: Don't specialize LOAD_ATTR_MODULE for module subclasses (GH-156474)

2026-10-22 16:53:35 -07:00

ceval_gil.c

gh-154757: Remove deprecated PyEval_InitThreads() function (#158037 )

2026-09-24 10:47:59 +02:00

ceval_macros.h

gh-129752: Don't update adaptive counters when TLBC=0 in free-threading. (gh-155497)

2026-08-13 00:12:39 +00:00

ceval.c

Fix unchecked NULL returns in several C modules (#160213 )

2026-10-22 15:55:09 +00:00

ceval.h

gh-159136: Avoid stop-the-world when setting function name attributes (gh-159269)

2026-10-16 20:24:12 -07:00

codecs.c

gh-159739: Hold the codec registry lock while unregistering (#160168 )

2026-10-22 18:24:53 +00:00

codegen.c

gh-145019: improve SyntaxError when match patterns bind different names (#145939 )

2026-10-19 13:02:04 -07:00

compile.c

gh-129724: Intern string constants in the compiler, not per code object (GH-159193)

2026-10-12 21:37:55 -07:00

condvar.h

gh-104530: Enable native Win32 condition variables by default (GH-104531)

2024-02-02 13:50:51 +00:00

config_common.h

gh-76785: Add PyInterpreterConfig Helpers (gh-117170)

2024-04-02 20:35:52 +00:00

context.c

gh-159739: Preserve ContextVar cache updates from finalizers (#160197 )

2026-10-22 12:36:56 -07:00

critical_section.c

gh-150902: Optimize PyCriticalSection2 to skip locking the same locks held by the current CS2

2026-06-16 16:56:37 +00:00

crossinterp_data_lookup.h

gh-147960: Fix memory leak in crossinterp _tuple_shared() on alloc failure (#147961 )

2026-04-01 18:34:55 +02:00

crossinterp_exceptions.h

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

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

crossinterp.c

Fix unchecked NULL returns in several C modules (#160213 )

2026-10-22 15:55:09 +00:00

dtoa.c

gh-158446: Reject float format precision near INT_MAX (GH-158474)

2026-09-30 05:22:37 +00:00

dup2.c

gh-108765: Python.h no longer includes <unistd.h> (#108783 )

2023-09-02 16:50:18 +02:00

dynamic_annotations.c

bpo-32241: Add the const qualifire to declarations of umodifiable strings. (#4748 )

2017-12-12 13:55:04 +02:00

dynload_hpux.c

gh-88402: Add new sysconfig variables on Windows (GH-110049)

2023-10-04 22:50:29 +00:00

dynload_shlib.c

Remove obsolete and unused configure macros (#159513 )

2026-10-25 05:18:16 +00:00

dynload_stub.c

gh-88402: Add new sysconfig variables on Windows (GH-110049)

2023-10-04 22:50:29 +00:00

dynload_win.c

gh-152433: Windows: make `dynload_win.c` UWP compatible (#152797 )

2026-09-11 15:35:34 +02:00

emscripten_signal.c

GH-108614: Unbreak emscripten build (GH-109132)

2023-09-08 17:54:45 +01:00

emscripten_syscalls.c

gh-156780: Emscripten: support building CPython with static linking (#156781 )

2026-10-22 19:58:32 +00:00

errors.c

gh-158893: Add internal _Py_strerror() function (#158982 )

2026-10-07 20:31:27 +00:00

executor_cases.c.h

gh-156399: Don't specialize LOAD_ATTR_MODULE for module subclasses (GH-156474)

2026-10-22 16:53:35 -07:00

fileutils.c

gh-158893: Add internal _Py_strerror() function (#158982 )

2026-10-07 20:31:27 +00:00

flowgraph.c

gh-159493: insert super instructions after borrow analysis in compiler (GH-160032)

2026-10-22 16:58:29 -07:00

frame.c

gh-144446: Fix thread safety of gi_frame, cr_frame and ag_frame in free-threading (#156037 )

2026-09-02 23:26:04 +05:30

frozen.c

gh-157361: Implement anext() in Python instead of C (#157362 )

2026-09-16 18:58:59 +05:30

frozenmain.c

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

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

future.c

gh-145868: Suggest names on typos in __future__ imports (#154347 )

2026-09-24 16:29:48 +00:00

gc_free_threading.c

gh-159111: Update vendored mimalloc to v2.5.2 (gh-159112)

2026-10-21 17:41:07 -07:00

gc_gil.c

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

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

gc.c

gh-159137: Untrack tuples and count survivors in move_unreachable() (#159154 )

2026-10-11 16:01:50 +00:00

generated_cases.c.h

gh-156399: Don't specialize LOAD_ATTR_MODULE for module subclasses (GH-156474)

2026-10-22 16:53:35 -07:00

getargs.c

gh-87613: Allow Argument Clinic vectorcall on heap types (#160115 )

2026-10-23 03:13:30 +00:00

getcompiler.c

Revert "gh-158445: Allocate memory in the heap in Py_GetVersion() (#158608 )" (#159519 )

2026-10-16 10:49:53 +00:00

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-132414: Make invalid command-line options visible in the error message (GH-157921)

2026-10-22 18:40:41 +00:00

getplatform.c

bpo-32150: Expand tabs to spaces in C files. (#4583 )

2017-11-28 17:56:10 +02:00

getversion.c

Revert "gh-158445: Allocate memory in the heap in Py_GetVersion() (#158608 )" (#159519 )

2026-10-16 10:49:53 +00:00

hamt.c

gh-155496: Use Argument Clinic for more functions and methods (GH-158134)

2026-09-27 19:00:22 +03:00

hashtable.c

gh-111545: Add Py_HashPointer() function (#112096 )

2023-12-06 15:09:22 +01:00

import.c

gh-157384: Unify _Py_ext_module_loader_info initialization (GH-157758)

2026-10-23 22:01:22 +02:00

importdl.c

gh-157384: Unify _Py_ext_module_loader_info initialization (GH-157758)

2026-10-23 22:01:22 +02:00

index_pool.c

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

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

initconfig.c

gh-159739: Release replaced PyInitConfig strings (GH-159769)

2026-10-19 22:56:57 +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-158121: Preserve instruction events when line monitoring is disabled (#158456 )

2026-10-19 12:17:16 -07:00

interpconfig.c

gh-159739: Handle interpreter configuration encoding errors (#159747 )

2026-10-19 19:30:32 -07:00

intrinsics.c

gh-138912: Add fast path for match class patterns without sub-patterns (#144820 )

2026-09-26 13:00:10 -07:00

jit_publish.c

GH-126910: Add GNU backtrace support for unwinding JIT frames (#149104 )

2026-05-05 09:29:07 +01:00

jit_unwind.c

gh-139808: Add branch protections for aarch64 in asm_trampoline.S (#130864 )

2026-05-12 15:42:44 +00:00

jit.c

GH-148960: Reduce the size of the debug stencils to less than half. (GH-150551)

2026-06-01 17:56:16 +01:00

legacy_tracing.c

gh-148037: remove critical section from PyCode_Addr2Line (#148103 )

2026-04-10 17:58:17 +05:30

lock.c

gh-158973: Reset the warnings lock after fork in the child (gh-158974)

2026-10-16 20:11:09 -07:00

marshal.c

GH-158628: Implement sys._wasi_info (GH-159039)

2026-10-13 23:53:38 +00:00

modsupport.c

gh-146636: Py_mod_abi mandatory for modules created from slots array (GH-146855)

2026-04-02 13:54:21 +02:00

mysnprintf.c

Add a warning message about PyOS_snprintf (#95993 )

2022-10-07 11:49:53 -07:00

mystrtoul.c

Remove obsolete and unused configure macros (#159513 )

2026-10-25 05:18:16 +00:00

object_stack.c

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

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

opcode_targets.h

gh-145855: Remove the DELETE_ATTR bytecode (GH-146216)

2026-07-06 10:41:47 +01:00

optimizer_analysis.c

gh-157833: Fix specialized C calls with additional method flags (GH-157834)

2026-09-30 14:37:24 +01:00

optimizer_bytecodes.c

gh-157468: Validate correct builtins used under JIT (GH-157766)

2026-10-01 12:15:51 +01:00

optimizer_cases.c.h

gh-142349: Simplify lazy import resolution (#158282 )

2026-10-01 16:20:45 +00:00

optimizer_symbols.c

gh-157468: Validate correct builtins used under JIT (GH-157766)

2026-10-01 12:15:51 +01:00

optimizer.c

gh-154014: Initialize cold executor vm_data fields (GH-154142)

2026-07-22 10:17:47 +01:00

parking_lot.c

gh-160368: Detect sem_clockwait at runtime on Linux (#160371 )

2026-10-23 00:32:56 +00:00

pathconfig.c

gh-158001: Remove Py_SetProgramName() function (#158024 )

2026-09-24 12:52:54 +02:00

perf_jit_trampoline.c

gh-156114: Fix crash in perf trampoline with unencodable code names (#156300 )

2026-09-18 17:04:21 -04:00

perf_trampoline.c

gh-156114: Fix crash in perf trampoline with unencodable code names (#156300 )

2026-09-18 17:04:21 -04:00

preconfig.c

Cleanup Python/getopt.c: add _PyOS_GetOpt structure (#158362 )

2026-10-01 14:58:55 +00:00

pyarena.c

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

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

pyctype.c

…

pyfpe.c

bpo-46315: Add ifdef HAVE_ feature checks for WASI compatibility (GH-30507)

2022-01-13 09:46:04 +01:00

pyhash.c

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

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

pylifecycle.c

Remove obsolete and unused configure macros (#159513 )

2026-10-25 05:18:16 +00:00

pymath.c

bpo-45440: Remove pymath.c fallbacks (GH-28977)

2021-10-15 19:45:34 +02:00

pystate.c

gh-159111: Update vendored mimalloc to v2.5.2 (gh-159112)

2026-10-21 17:41:07 -07:00

pystats.c

gh-145685: per-type method cache implementation (#150160 )

2026-07-21 14:11:22 +05:30

pystrcmp.c

gh-108767: Replace ctype.h functions with pyctype.h functions (#108772 )

2023-09-01 18:36:53 +02:00

pystrhex.c

gh-155742: Use PyBytesWriter in _Py_strhex_impl() (#157734 )

2026-09-18 14:09:09 +02:00

pystrtod.c

gh-158446: Reject float format precision near INT_MAX (GH-158474)

2026-09-30 05:22:37 +00:00

Python-ast.c

gh-157407: Fix a compilation error on Windows. (#158048 )

2026-09-24 15:06:56 +09:00

Python-tokenize.c

gh-114258: Update _ctypes and tokenize to use AC where it can be. (gh-160404)

2026-10-23 02:42:16 +00:00

pythonrun.c

gh-159465: Improve incomplete input detection (#159466 )

2026-10-18 11:54:19 +01:00

pytime.c

gh-152849: Fix OverflowError message for out-of-range timestamps in the time module (#152850 )

2026-07-06 16:50:15 +02:00

qsbr.c

gh-159860: Adjust QSBR cache line size from 64 to 128 on AArch64 (gh-159862)

2026-10-20 20:06:55 +00:00

README

Issue #18093 : Factor out the programs that embed the runtime

2014-07-25 21:52:14 +10:00

record_functions.c.h

gh-149358: Generating JIT recorder transformers and stabilizing family layouts (GH-149359)

2026-05-21 17:06:52 +01:00

remote_debug.h

gh-156545, gh-158539: Fix deep flamegraph export on small C stacks and macOS runtime lookup (#158874 )

2026-10-05 20:56:24 +01:00

remote_debugging.c

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

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

slots_generated.c

gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)

2026-05-05 09:18:04 +02:00

slots.c

gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)

2026-05-05 09:18:04 +02:00

slots.toml

gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)

2026-05-05 09:18:04 +02:00

specialize.c

gh-156399: Don't specialize LOAD_ATTR_MODULE for module subclasses (GH-156474)

2026-10-22 16:53:35 -07:00

stackrefs.c

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

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

stdlib_module_names.h

gh-157361: Implement anext() in Python instead of C (#157362 )

2026-09-16 18:58:59 +05:30

structmember.c

gh-146270: Fix PyMember_SetOne(..., NULL) not being atomic (gh-148800)

2026-05-06 09:50:24 -04:00

suggestions.c

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

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

symtable.c

gh-159465: Improve incomplete input detection (#159466 )

2026-10-18 11:54:19 +01:00

sysmodule.c

bpo-24053: Add EXIT_SUCCESS and EXIT_FAILURE values in the sys module (GH-14773)

2026-10-20 10:10:10 -07:00

thread_nt.h

gh-134745: Remove dead code in thread_nt.h left by gh-134747 (#154338 )

2026-07-25 00:33:29 +02:00

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-157415: Fix data race in pthread wrapper (#157430 )

2026-09-17 16:34:50 +02:00

thread.c

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

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

tier2_engine.md

Docs: fix spelling of the word 'transferring' (#116641 )

2024-03-13 23:53:32 +01:00

traceback.c

gh-151157: Speed up PyObject_CallMethod via _PyObject_GetMethod (#151158 )

2026-10-05 18:44:28 +00:00

tracemalloc.c

gh-155725: Remove PyGILState_Ensure usage from tracemalloc (#156409 )

2026-08-30 13:04:55 +05:30

typecache.c

gh-145685: per-type method cache implementation (#150160 )

2026-07-21 14:11:22 +05:30

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

wasm_trampoline.c

gh-129040: Use wasm-gc to handle pointer casts in wasi (GH-158617)

2026-10-09 22:25:44 +00:00

README

Miscellaneous source files for the main Python shared library