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Miss Islington (bot)Gregory P. SmithGregory P. Smith
 f30b0d15d4 [3.12] gh-158446: Reject float format precision near INT_MAX (GH-158474) (#158479) 
* gh-158446: Reject float format precision near INT_MAX (GH-158474)

Formatting a float or complex with a precision within about 1000 of
INT_MAX could crash or produce incorrect output.
PyOS_double_to_string() now raises ValueError("precision too big") for
such precisions, as the format string parsers already do for
precisions above INT_MAX.

The limit applies regardless of presentation type or value, so a few
calls that previously succeeded (inf, nan, or 'g' with such a
precision) now raise as well.
(cherry picked from commit b7b4f3ecf2)

Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>

* gh-158446: Fix the new test_format test on 3.12

test_format.py does not import import_module on this branch.  Import
INT_MAX from _testcapi directly, as the neighboring test does.

---------

Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
2026-09-30 17:00:00 +02:00
..
clinic
[3.12] gh-107526: Revert "gh-100357: Convert several functions in bltinsmodule to AC" (GH-107542) (#130371)
2025-02-26 12:27:33 +03:00
deepfreeze
gh-97669: Create Tools/build/ directory (#97963)
2022-10-17 12:01:00 +02:00
frozen_modules
gh-97669: Create Tools/build/ directory (#97963)
2022-10-17 12:01:00 +02:00
_warnings.c
[3.12] gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) (GH-130556) (GH-130576)
2025-02-26 17:20:47 +02:00
adaptive.md
GH-98686: Get rid of "adaptive" and "quick" instructions (GH-99182)
2022-11-09 10:50:09 -08:00
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.h
[3.12] gh-139808: Add branch protections for aarch64 in asm_trampoline.S (#130864) (#150198)
2026-08-04 11:46:47 +02:00
asm_trampoline.S
[3.12] gh-139808: Add branch protections for aarch64 in asm_trampoline.S (#130864) (#150198)
2026-08-04 11:46:47 +02:00
assemble.c
[3.12] gh-130775: Allow negative locations in ast (GH-130795) (#132260)
2025-04-08 10:19:23 +00:00
ast_opt.c
[3.12] gh-113993: Make interned strings mortal (GH-120520, GH-121364, GH-121903, GH-122303) (#123065)
2024-09-27 13:28:48 -07:00
ast_unparse.c
[3.12] gh-113993: Make interned strings mortal (GH-120520, GH-121364, GH-121903, GH-122303) (#123065)
2024-09-27 13:28:48 -07:00
ast.c
[3.12] GH-112215: Backport C recursion changes (GH-115083)
2024-02-13 10:45:59 +01:00
bltinmodule.c
[3.12] gh-131670: Fix crash in anext() when __anext__ is sync and raises (GH-131682) (#131687)
2025-03-24 19:18:29 +00:00
bootstrap_hash.c
gh-81057: Move More Globals in Core Code to _PyRuntimeState (gh-99516)
2022-11-16 09:37:14 -07:00
bytecodes.c
[3.12] gh-128799: Add frame of except* to traceback when wrapping a naked exception (GH-128971) (#129328)
2025-01-30 12:02:46 +00:00
ceval_gil.c
[3.12] gh-108987: Fix _thread.start_new_thread() race condition (#109135) (#110342)
2023-10-04 11:20:31 +00:00
ceval_macros.h
GH-104580: Don't cache eval breaker in interpreter (GH-104581)
2023-05-18 10:08:33 +01:00
ceval.c
[3.12] gh-128799: Add frame of except* to traceback when wrapping a naked exception (GH-128971) (#129328)
2025-01-30 12:02:46 +00:00
codecs.c
[3.12] gh-113993: Make interned strings mortal (GH-120520, GH-121364, GH-121903, GH-122303) (#123065)
2024-09-27 13:28:48 -07:00
compile.c
[3.12] gh-130740: Move some stdbool.h includes after Python.h (#130738) (#130757)
2025-03-04 10:38:24 +01:00
condvar.h
gh-74953: _PyThread_cond_after() uses _PyTime_t (#94056)
2022-06-21 15:45:49 +02:00
context.c
[3.12] gh-132002: Fix crash of ContextVar on unhashable str subtype (GH-132003) (#132008)
2025-04-02 12:05:30 +00:00
dtoa.c
[3.12] gh-158446: Reject float format precision near INT_MAX (GH-158474) (#158479)
2026-09-30 17:00:00 +02:00
dup2.c
gh-95174: Handle missing dup() and constants in WASI (GH-95229)
2022-07-26 11:16:51 +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
bpo-44959: Add fallback to extension modules with '.sl' suffix on HP-UX (GH-27857)
2021-09-08 14:43:00 +02:00
dynload_shlib.c
gh-101758: Clean Up Uses of Import State (gh-101919)
2023-02-15 15:32:31 -07:00
dynload_stub.c
Issue #13959: Re-implement imp.get_suffixes() in Lib/imp.py.
2012-05-04 15:20:40 -04:00
dynload_win.c
gh-102255: Improve build support for Windows API partitions (GH-102256)
2023-03-09 21:09:12 +00:00
emscripten_signal.c
bpo-47176: Interrupt handling for wasm32-emscripten builds without pthreads (GH-32209)
2022-04-03 22:58:52 +02:00
errors.c
[3.12] gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) (GH-130556) (GH-130576)
2025-02-26 17:20:47 +02:00
fileutils.c
gh-111856: Fix os.fstat on windows with FAT32 and exFAT filesystem (GH-112038)
2023-11-13 16:25:01 +00:00
flowgraph.c
[3.12] gh-130740: Move some stdbool.h includes after Python.h (#130738) (#130757)
2025-03-04 10:38:24 +01:00
formatter_unicode.c
gh-89653: Use int type for Unicode kind (#92704)
2022-05-13 12:41:05 +02:00
frame.c
[3.12] gh-119897: Revert buggy optimization which was removed in 3.13 (#120467)
2024-06-18 10:45:40 +01:00
frozen.c
[3.12] gh-106560: Fix redundant declarations in Python/frozen.c (#112612) (#112651)
2023-12-03 11:54:59 +00:00
frozenmain.c
gh-93103: Parser uses PyConfig.parser_debug instead of Py_DebugFlag (#93106)
2022-05-24 22:35:08 +02:00
future.c
[3.12] gh-126139: Improve error message location for future statement with unknown feature (GH-126140) (#126160)
2024-10-30 00:54:32 +00:00
generated_cases.c.h
[3.12] gh-128799: Add frame of except* to traceback when wrapping a naked exception (GH-128971) (#129328)
2025-01-30 12:02:46 +00:00
getargs.c
[3.12] gh-113993: Make interned strings mortal (GH-120520, GH-121364, GH-121903, GH-122303) (#123065)
2024-09-27 13:28:48 -07:00
getcompiler.c
closes bpo-43278: remove unnecessary leading '\n' from COMPILER when build with GCC/Clang (GH-24606)
2021-02-25 20:24:21 -08:00
getcopyright.c
Update copyright years to 2023. (gh-100848)
2023-01-08 09:13:25 -06:00
getopt.c
gh-90300: split --help output into separate options (#30331)
2022-06-01 05:50:01 -04:00
getplatform.c
bpo-32150: Expand tabs to spaces in C files. (#4583)
2017-11-28 17:56:10 +02:00
getversion.c
gh-81057: Move Globals in Core Code to _PyRuntimeState (gh-99496)
2022-11-15 09:45:11 -07:00
hamt.c
gh-99537: Use Py_SETREF() function in C code (#99657)
2022-11-22 13:39:11 +01:00
hashtable.c
[3.12] gh-106931: Intern Statically Allocated Strings Globally (gh-107272) (gh-110713)
2023-11-27 23:51:12 +00:00
import.c
[3.12] gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) (GH-130556) (GH-130576)
2025-02-26 17:20:47 +02:00
importdl.c
gh-98627: Add an Optional Check for Extension Module Subinterpreter Compatibility (gh-99040)
2023-02-15 18:16:00 -07:00
importdl.h
bpo-47162: Add call trampoline to mitigate bad fpcasts on Emscripten (GH-32189)
2022-03-30 12:28:33 -07:00
initconfig.c
[3.12] gh-131818: Add imply -P in -I's help message (GH-131819) (#131823)
2025-03-28 08:09:03 +00:00
instrumentation.c
[3.12] GH-107674: Avoid allocating boxed ints for sys.settrace line events (GH-107780) (#107841)
2025-04-06 19:48:53 +00:00
intrinsics.c
[3.12] gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) (GH-130556) (GH-130576)
2025-02-26 17:20:47 +02:00
legacy_tracing.c
[3.12] gh-122029: Log call events in sys.setprofile when it's a method with c function (GH-122072) (GH-122206)
2024-07-23 22:44:43 +00:00
makeopcodetargets.py
gh-98040: Remove just the imp module (#98573)
2023-04-28 16:17:58 -07:00
marshal.c
[3.12] gh-113993: Make interned strings mortal (GH-120520, GH-121364, GH-121903, GH-122303) (#123065)
2024-09-27 13:28:48 -07:00
modsupport.c
[3.12] gh-86493: Fix possible leaks in some modules initialization (GH-106768) (GH-106855)
2023-07-18 15:14:10 +03:00
mysnprintf.c
Add a warning message about PyOS_snprintf (#95993)
2022-10-07 11:49:53 -07:00
mystrtoul.c
bpo-35134: Add Include/cpython/longobject.h (GH-29044)
2021-10-19 02:04:52 +02:00
opcode_metadata.h
[3.12] gh-130740: Move some stdbool.h includes after Python.h (#130738) (#130757)
2025-03-04 10:38:24 +01:00
opcode_targets.h
gh-103865: add monitoring support to LOAD_SUPER_ATTR (#103866)
2023-05-16 10:29:00 -06:00
pathconfig.c
gh-98978: Fix Py_SetPythonHome(NULL) (#99066)
2022-11-03 18:34:32 +01:00
perf_trampoline.c
[3.12] gh-113343: Fix error check on mmap(2) (GH-113342) (#113374)
2023-12-21 19:44:15 +00:00
preconfig.c
gh-77782: Deprecate global configuration variable (#93943)
2022-06-17 16:12:00 +02:00
pyarena.c
bpo-43244: Remove the pyarena.h header (GH-25007)
2021-03-24 02:23:01 +01:00
pyctype.c
Include files missed in r72044.
2009-04-27 20:54:42 +00:00
pyfpe.c
bpo-46315: Add ifdef HAVE_ feature checks for WASI compatibility (GH-30507)
2022-01-13 09:46:04 +01:00
pyhash.c
bpo-29410: Change the default hash algorithm to SipHash13. (GH-28752)
2021-10-10 17:29:46 +09:00
pylifecycle.c
[3.12] gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) (GH-130556) (GH-130576)
2025-02-26 17:20:47 +02:00
pymath.c
bpo-45440: Remove pymath.c fallbacks (GH-28977)
2021-10-15 19:45:34 +02:00
pystate.c
[3.12] gh-116510: Fix a Crash Due to Shared Immortal Interned Strings (gh-125205)
2024-12-03 10:26:25 -07:00
pystrcmp.c
bpo-41524: fix pointer bug in PyOS_mystr{n}icmp (GH-21845)
2020-08-27 14:45:25 +09:00
pystrhex.c
gh-91768: C API no longer use "const PyObject*" type (#91769)
2022-04-21 22:07:19 +02:00
pystrtod.c
[3.12] gh-158446: Reject float format precision near INT_MAX (GH-158474) (#158479)
2026-09-30 17:00:00 +02:00
Python-ast.c
[3.12] gh-126105: Fix crash in ast module, when ._fields is delet… (#126132)
2024-10-29 20:20:40 +02:00
Python-tokenize.c
[3.12] gh-120343: Fix column offsets of multiline tokens in tokenize (GH-120391) (#120428)
2024-06-12 19:10:35 +00:00
pythonrun.c
[3.12] gh-130740: Move some stdbool.h includes after Python.h (#130738) (#130757)
2025-03-04 10:38:24 +01:00
pytime.c
gh-97786: Fix compiler warnings in pytime.c (#101826)
2023-02-19 17:16:11 -08:00
README
Issue #18093: Factor out the programs that embed the runtime
2014-07-25 21:52:14 +10:00
specialize.c
[3.12] Check for valid tp_version_tag in specializer (gh-89811) (gh-114216)
2024-01-20 04:45:33 +08:00
stdlib_module_names.h
[3.12] gh-123892: Add "_wmi" to sys.stdlib_module_names (GH-123893) (#123897)
2024-09-10 10:11:56 +00:00
structmember.c
[3.12] gh-115011: Improve support of __index__() in setters of members with unsigned integer type (GH-115029) (GH-115294)
2024-02-11 11:56:17 +00:00
suggestions.c
[3.12] gh-106030: Miscellaneous fixes in Python/suggestions.c (GH-106031) (#106036)
2023-06-26 20:43:20 -07:00
symtable.c
[3.12] gh-128632: fix segfault on nested __classdict__ type param (GH… (#132090)
2025-04-04 15:48:57 +00:00
sysmodule.c
[3.12] gh-131082: Add missing guards for WIN32_LEAN_AND_MEAN (#131044) (#131085)
2025-03-11 11:55:13 +00:00
thread_nt.h
gh-81057: Move Threading-Related Globals to _PyRuntimeState (#100084)
2022-12-08 17:50:58 -07:00
thread_pthread_stubs.h
gh-81057: Move Threading-Related Globals to _PyRuntimeState (#100084)
2022-12-08 17:50:58 -07:00
thread_pthread.h
[3.12] gh-112536: Add TSAN build on Github Actions (GH-116872)
2024-03-18 09:52:54 +00:00
thread.c
gh-94673: Properly Initialize and Finalize Static Builtin Types for Each Interpreter (gh-104072)
2023-05-01 19:36:00 -06:00
traceback.c
[3.12] gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) (GH-130556) (GH-130576)
2025-02-26 17:20:47 +02:00
tracemalloc.c
[3.12] gh-129185: Fix PyTraceMalloc_Untrack() at Python exit (#129191) (#129217) (#129221)
2025-01-23 13:29:46 +00:00

README 

Miscellaneous source files for the main Python shared library
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