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Victor Stinner d19febb00c Rework locale encoding C functions (#158680 )

Add output_length to _Py_EncodeLocale(), _Py_EncodeUTF8(),
encode_current_locale() and encode_ascii(). So unicode_encode_locale() and
wstr_to_utf8() can now use the output_length, instead of having to compute
strlen().

* Rename functions:

  * _Py_DecodeUTF8Ex() => _Py_DecodeUTF8()
  * _Py_EncodeUTF8Ex() => _Py_EncodeUTF8()
  * _Py_EncodeLocaleEx() => _Py_EncodeLocale()
  * _Py_DecodeLocaleEx() => _Py_DecodeLocale()

* Add tests on Py_DecodeLocale() and Py_EncodeLocale() in test_codecs.
  Clarify also their documentation.
* _Py_EncodeLocale() and _Py_DecodeLocale() now sets all output parameters on
  error. Add more tests on these output parameters.
* Add encode_current_locale_impl() to simplify encode_current_locale().
* Remove reason parameter of _Py_EncodeLocale() and _Py_DecodeLocale() to
  simplify the code. Only the UTF-8 decoder used specific reasons.
* _Py_EncodeUTF8() now uses size_t instead of Py_ssize_t to iterate
  on the input string.
* On error, encode_current_locale_impl() now returns ENCODE_ERROR (new
  constant) instead of DECODE_ERROR.
* Mark _Py_EncodeLocaleRaw() as static (it's not used outside fileutils.c).

2026-10-04 23:22:18 +02:00

clinic

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

2026-10-01 16:20:45 +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

_warnings.c

gh-155952: Fix <unrepresentable> Argument Clinic defaults in several signatures (#155954 )

2026-08-21 10:03:51 +01:00

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-149800: Split perf trampoline assembly into per-architecture files (#149894 )

2026-05-23 08:03:52 -04:00

asm_trampoline_riscv64.S

gh-149800: Split perf trampoline assembly into per-architecture files (#149894 )

2026-05-23 08:03:52 -04:00

asm_trampoline_x86_64.S

gh-149800: Split perf trampoline assembly into per-architecture files (#149894 )

2026-05-23 08:03:52 -04:00

assemble.c

gh-158241: Prevent double release of assembler byte writers (#158242 )

2026-09-29 10:48:11 +00:00

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

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

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-142349: Simplify lazy import resolution (#158282 )

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

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

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

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

ceval.h

gh-142186: Allow all PEP-669 events to be per-code object and disableable (GH-146182)

2026-04-22 09:08:23 +01:00

codecs.c

gh-155742: Use PyBytesWriter in codecs (#155750 )

2026-09-01 15:29:26 +02:00

codegen.c

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

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

compile.c

gh-124697: Represent inlined comprehensions as subscopes in the symbol table (#156819 )

2026-09-23 20:31:57 +01:00

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-155519: fix data-race for Context.ctx_vars (#155522 )

2026-08-15 11:00:03 +05:30

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

gh-151842: Fix crash upon OOM in _interpreters.capture_exception (GH-151843)

2026-06-23 16:31:47 -04:00

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

gh-122931: Allow stable abi3 API extensions to include a multiarch tuple in the filename (GH-152461)

2026-07-27 15:05:40 +02:00

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: add missing EM_JS_DEPS (#156798 )

2026-09-08 15:26:48 +08:00

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-156780: Emscripten: drop the trampoline's dependence on exports (#157238 )

2026-09-11 09:22:36 +08:00

errors.c

gh-156204: Guard recursion in PyErr_GivenExceptionMatches (GH-156205)

2026-10-02 16:22:05 -04:00

executor_cases.c.h

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

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

fileutils.c

Rework locale encoding C functions (#158680 )

2026-10-04 23:22:18 +02:00

flowgraph.c

gh-148817: Fold long lists/sets of constant elements into constant tuples/frozensets (#149016 )

2026-08-16 15:38:53 +03:00

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-157906: fix an incorrect architecture macro check in free-threaded GC (gh-157907)

2026-10-03 11:36:01 -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-146527: Fix memory leak in _PyGC_Fini() (#150969 )

2026-06-05 13:43:05 +00:00

generated_cases.c.h

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

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

getargs.c

gh-146615: Fix format specifiers in Python/ directory (GH-146619)

2026-03-31 10:59:17 +03:00

getcompiler.c

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

2026-10-03 15:15:08 +02:00

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

Fix _PyOS_GetOpt() error message for non-ASCII characters (#158626 )

2026-10-03 15:37:58 +02:00

getplatform.c

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

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

getversion.c

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

2026-10-03 15:15:08 +02:00

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-158140: Resolve lazily imported sibling submodules independently (#158521 )

2026-10-02 19:20:04 +02:00

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

Rework locale encoding C functions (#158680 )

2026-10-04 23:22:18 +02:00

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-151524: Make it clearer that _PyInstrumentation_DISABLE is immortal in the code (GH-151525)

2026-08-07 11:34:10 -04:00

interpconfig.c

gh-146615: Fix format specifiers in Python/ directory (GH-146619)

2026-03-31 10:59:17 +03:00

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-157914: Revert "gh-135871: Reload lock internal state while spinning in PyMutex_LockTimed (gh-146064)" (gh-158082)

2026-09-27 17:29:07 +00:00

marshal.c

gh-156942: Raise the exception where the marshalling error is detected (GH-156944)

2026-09-18 17:14:25 +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

gh-108765: Python.h no longer includes <ctype.h> (#108831 )

2023-09-03 18:54:27 +02:00

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-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852)

2026-04-22 14:31:19 -04:00

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

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

2026-10-03 15:15:08 +02:00

pymath.c

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

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

pystate.c

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

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

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-153569: hide tokenizer state behind token and source operations (#156654 )

2026-09-12 14:30:00 +01:00

pythonrun.c

gh-152132: Test Py_CompileString() in test_capi.test_run (#153470 )

2026-07-10 03:36:31 +02:00

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

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

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-157549: Use sysconf() for the page size in remote_debug.h (#157800 )

2026-09-19 16:11:49 +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

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

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

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-124697: Represent inlined comprehensions as subscopes in the symbol table (#156819 )

2026-09-23 20:31:57 +01:00

sysmodule.c

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

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

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-113318: Better implementation of @getter and @setter in Argument Clinic (GH-156066)

2026-09-19 18:48:39 +03:00

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

README

Miscellaneous source files for the main Python shared library