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cpython/Modules
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Bernát Gábor c79e18a8e5
gh-150717: Avoid mark-array allocation for groupless regex patterns (GH-150719) 
state_init() always did PyMem_New(state->mark, groups*2), which for a
pattern with no capturing groups is PyMem_Malloc(0) -- a real allocation
(plus matching free) on every match/search/fullmatch call, for an array
that is never read: groupless patterns emit no MARK opcodes and group 0's
span is taken from state->start/ptr.

Guard the allocation with `if (pattern->groups)`. state->mark stays NULL
(set by the preceding memset), and both the error path and state_fini
already PyMem_Free(NULL) safely.
2026-06-02 10:45:30 +03:00
..
_ctypes gh-148675: Use a string for ctypes cparam tag (#149778) 2026-05-15 13:25:09 +02:00
_decimal gh-115119: Remove superfluous TEST_COVERAGE private macro from _decimal module (GH-149756) 2026-06-01 13:41:21 -05:00
_hacl gh-148200: Update Modules/_hacl/ for Cygwin (#149802) 2026-05-15 14:42:30 +02:00
_io gh-149046: fix: correctly handle str subclasses in io.StringIO (#149047) 2026-06-01 13:01:57 +00:00
_multiprocessing gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_remote_debugging gh-149931: Fix memory leaks on failed realloc (#149932) 2026-05-26 01:37:14 +01:00
_sqlite gh-150285: Fix too long docstrings in the sqlite3 module (GH-150290) 2026-05-24 15:02:58 +03:00
_sre gh-150717: Avoid mark-array allocation for groupless regex patterns (GH-150719) 2026-06-02 10:45:30 +03:00
_ssl gh-146207: Add support for OpenSSL 4.0.0 alpha1 (#146217) 2026-03-25 07:44:47 +01:00
_testcapi gh-150114: Log the memory usage in regrtest on macOS (gh-150396) 2026-05-26 00:03:06 +09:00
_testinternalcapi gh-148871: make LOAD_COMMON_CONSTANT use immortal stackref borrows (GH-149625) 2026-05-28 12:27:37 +01:00
_testlimitedcapi gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_xxtestfuzz Update and expand the 'Fuzz Tests for CPython' README (#148270) 2026-04-09 08:52:30 +01:00
_zstd gh-150285: Fix too long docstrings in the zstd module (GH-150291) 2026-05-24 15:03:22 +03:00
cjkcodecs gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
clinic Correct frexp() docs for zero and non-finite numbers (GH-149753) 2026-05-31 07:29:44 +00:00
expat gh-149698: Update bundled expat to 2.8.1 (GH-149699) 2026-05-14 01:21:03 +02:00
_abc.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_asynciomodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_bisectmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_bz2module.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_codecsmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_collectionsmodule.c gh-149534: Fix unification of defaultdict and frozendict with | (#149539) 2026-06-01 16:26:49 +03:00
_csv.c gh-145105: Fix crash in csv.reader with re-entrant iterator (GH-145106) 2026-04-11 15:18:02 -07:00
_curses_panel.c gh-150285: Fix too long docstrings in the curses module (GH-150286) 2026-05-24 15:02:12 +03:00
_cursesmodule.c gh-150285: Fix too long docstrings in the curses module (GH-150286) 2026-05-24 15:02:12 +03:00
_datetimemodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_dbmmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_elementtree.c gh-149571: Fix the C implementation of Element.itertext() (GH-149929) 2026-05-27 13:23:28 +03:00
_functoolsmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_gdbmmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_hashopenssl.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_heapqmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_interpchannelsmodule.c gh-149921: Fix reference leaks in _interpchannels and _interpqueues modules (#149922) 2026-05-17 13:09:19 +03:00
_interpqueuesmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_interpreters_common.h gh-132775: Use _PyObject_GetXIData (With Fallback) (gh-134440) 2025-05-22 06:50:06 -06:00
_interpretersmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_json.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_localemodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
_lsprof.c gh-145846: Fix memory leak in _lsprof clearEntries() context chain (#145847) 2026-04-07 22:56:19 +02:00
_lzmamodule.c gh-115988: Add ARM64 and RISCV BCJ filters constants in lzma module (GH-115989) 2026-05-28 08:05:03 -07:00
_math.h gh-122681: remove m_atan2()/c_atan2() helpers (#122715) 2024-08-17 13:48:16 +05:30
_opcode.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_operator.c GH-145247: Use _PyTuple_FromPair in Modules (part 1) (#148000) 2026-04-02 23:20:13 +02:00
_pickle.c gh-150157: Fix critical section for PyDict_Next() in _pickle.c (GH-150158) 2026-06-01 17:32:13 +03:00
_posixsubprocess.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_queuemodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_randommodule.c gh-149816: Fix a RC in _random.Random.__init__ method (#149824) 2026-05-18 18:39:54 +03:00
_scproxy.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_ssl.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_ssl.h GH-103092: isolate _ssl (#104725) 2023-05-22 06:14:48 +05:30
_ssl_data_36.h gh-149254: Update CI to use latest OpenSSL and AWS-LC versions (GH-149330) 2026-05-03 20:20:51 +00:00
_ssl_data_40.h gh-148600: Add Modules/_ssl_data_40.h data (#148601) 2026-04-15 15:59:02 +02:00
_ssl_data_111.h gh-131423: Update OpenSSL data to 3.4.1 on Linux (#131618) 2025-04-25 10:26:58 +02:00
_ssl_data_300.h gh-127330: Update for OpenSSL 3.4 & document+improve the update process (GH-127331) 2024-11-28 13:29:27 +01:00
_ssl_data_340.h gh-131423: Update OpenSSL data to 3.4.1 on Linux (#131618) 2025-04-25 10:26:58 +02:00
_stat.c gh-108765: fix comment about macro definitions in _stat.c post GH-108854 (#136027) 2025-06-27 15:15:11 +00:00
_statisticsmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_struct.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_suggestions.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
_sysconfig.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
_testbuffer.c gh-146151: memoryview supports 'F' and 'D' format types (complex) (#146241) 2026-03-26 15:26:34 +01:00
_testcapi_feature_macros.inc gh-91325: Skip Stable ABI checks with Py_TRACE_REFS special build (GH-92046) 2024-01-29 16:45:31 +01:00
_testcapimodule.c gh-149101: Implement PEP 788 (GH-149116) 2026-05-06 17:39:30 -04:00
_testclinic.c gh-144545: Improve handling of default values in Argument Clinic (GH-146016) 2026-03-17 12:16:35 +02:00
_testclinic_limited.c gh-116322: Rename PyModule_ExperimentalSetGIL to PyUnstable_Module_SetGIL (GH-118645) 2024-05-06 18:59:36 +02:00
_testimportmultiple.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_testinternalcapi.c gh-149879: Fix test_capi on Cygwin (#150252) 2026-05-22 21:47:32 +02:00
_testlimitedcapi.c gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055) 2026-05-05 09:18:04 +02:00
_testmultiphase.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_testsinglephase.c gh-145921: Add "_DuringGC" functions for tp_traverse (GH-145925) 2026-04-08 09:15:11 +02:00
_threadmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_tkinter.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_tracemalloc.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
_typesmodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
_typingmodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
_uuidmodule.c gh-132710: only use stable _uuid.generate_time_safe() to deduce MAC address (#132901) 2025-05-26 10:56:31 +02:00
_weakref.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
_winapi.c gh-150114: Log the memory usage in regrtest on Windows (#150267) 2026-05-23 00:04:51 +02:00
_zoneinfo.c gh-145883: Fix two heap-buffer-overflows in _zoneinfo (#145885) 2026-04-04 13:29:17 +01:00
addrinfo.h gh-114917: add support for AI_NUMERICSERV in getaddrinfo emulation (#114918) 2025-03-18 11:26:51 +01:00
arraymodule.c gh-80480: Remove deprecated 'u' array type code (#149535) 2026-06-01 11:57:55 +00:00
atexitmodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
binascii.c gh-134837: Correct and improve base85 documentation for base64 and binascii modules (GH-145843) 2026-05-12 22:46:46 +03:00
blake2module.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
cmathmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
config.c.in gh-128384: Use a context variable for warnings.catch_warnings (gh-130010) 2025-04-09 16:18:54 -07:00
errnomodule.c gh-126585: Add EHWPOISON error code (#126586) 2024-12-03 12:45:50 +00:00
faulthandler.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
fcntlmodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
gc_weakref.txt GH-135552: Make the GC clear weakrefs later (GH-136189) 2025-08-07 16:32:17 -07:00
gcmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
getaddrinfo.c gh-114917: Fix typo in getaddrinfo emulation (#131413) 2025-03-18 14:31:13 +01:00
getbuildinfo.c gh-100388: Change undefined __DATE__ to the Unix epoch (#100389) 2025-03-03 14:59:46 +01:00
getnameinfo.c Replace K&R function declarations with ANSI declarations (#114818) 2025-03-11 13:06:36 +01:00
getpath.c GH-131296: Avoid invalid signed char comparison in getpath.c assertion (GH-131594) 2025-04-22 14:06:30 +01:00
getpath.py GH-145273: don't skip missing platstdlib warning if stdlib_zip is found (#145544) 2026-03-09 19:37:33 +00:00
getpath_noop.c bpo-45582: Port getpath[p].c to Python (GH-29041) 2021-12-03 00:08:42 +00:00
grpmodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
hashlib.h gh-131876: Revert "gh-131876: extract _hashlib helpers into a separate directory (#136995) (#137307) 2025-08-01 10:45:40 -07:00
hmacmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
itertoolsmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
ld_so_aix.in Issue #10656: Fix out-of-tree building on AIX 2016-11-20 07:56:37 +00:00
main.c GH-145247: Use _PyTuple_FromPair in Modules (part 1) (#148000) 2026-04-02 23:20:13 +02:00
makesetup gh-116943: Ensure makesetup does not choke on missing EOL in Setup.* files (#139100) 2025-09-18 09:25:01 +00:00
makexp_aix bpo-42087: Remove support for AIX 5.3 and below (GH-22830) 2020-11-16 16:16:10 +01:00
mathintegermodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
mathmodule.c Correct frexp() docs for zero and non-finite numbers (GH-149753) 2026-05-31 07:29:44 +00:00
md5module.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
mmapmodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
overlapped.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
posixmodule.c gh-150285: Fix too long docstrings in the os module (GH-150296) 2026-05-24 15:04:01 +03:00
posixmodule.h gh-85283: Convert grp extension to the limited C API (#116611) 2024-03-12 00:46:53 +00:00
pwdmodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
pyexpat.c gh-150560: Fix crash in XML parser on invalid XML with multi-byte encoding (GH-150568) 2026-05-30 00:23:32 +03:00
readline.c gh-150372: Add missing null check on completer_word_break_characters in readline.c (GH-150251) 2026-05-30 19:26:05 +00:00
README Issue #18093: Factor out the programs that embed the runtime 2014-07-25 21:52:14 +10:00
resource.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
rotatingtree.c gh-116181: Remove Py_BUILD_CORE_BUILTIN and Py_BUILD_CORE_MODULE in rotatingtree.c (#121260) 2024-07-03 13:05:05 +05:30
rotatingtree.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
selectmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
Setup gh-140550: Update xxlimited with 3.15 limited API (GH-142827) 2026-05-13 18:35:50 +02:00
Setup.bootstrap.in gh-136421: Load _datetime static types during interpreter initialization (GH-136583) 2025-07-21 13:47:26 -04:00
Setup.stdlib.in gh-140550: Update xxlimited with 3.15 limited API (GH-142827) 2026-05-13 18:35:50 +02:00
sha1module.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
sha2module.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
sha3module.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
signalmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
socketmodule.c gh-150406: Check result of PyThread_allocate_lock() for netdb_lock (GH-150407) 2026-05-30 16:25:40 +00:00
socketmodule.h gh-86819: Add ISO-TP CAN socket constants (#23794) 2025-09-17 17:18:04 +00:00
symtablemodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
syslogmodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
termios.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00
timemodule.c gh-149931: Fix memory leaks on failed realloc (#149932) 2026-05-26 01:37:14 +01:00
tkappinit.c gh-103538: Remove unused TK_AQUA code (GH-103539) 2023-05-10 18:53:13 +00:00
tkinter.h gh-103532: Remove TKINTER_PROTECT_LOADTK code (GH-103535) 2023-04-14 09:04:16 -05:00
unicodedata.c gh-149449: Fix use-after-free in _PyUnicode_GetNameCAPI (#150323) 2026-05-24 16:17:38 +00:00
unicodedata_db.h gh-66802: Add unicodedata.block() function (#145042) 2026-02-21 18:27:55 +01:00
unicodename_db.h gh-144882: Optimize name tables in unicodedata by excluding names derived by rule NR2 (GH-144883) 2026-02-18 12:58:21 +02:00
winreparse.h bpo-31512: Add non-elevated symlink support for Windows (GH-3652) 2019-04-09 11:19:46 -07:00
xxlimited.c gh-140550: Update xxlimited with 3.15 limited API (GH-142827) 2026-05-13 18:35:50 +02:00
xxlimited_3_13.c gh-140550: Update xxlimited with 3.15 limited API (GH-142827) 2026-05-13 18:35:50 +02:00
xxlimited_35.c gh-140550: Update xxlimited with 3.15 limited API (GH-142827) 2026-05-13 18:35:50 +02:00
xxmodule.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
xxsubtype.c gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770) 2026-03-24 17:47:55 +00:00
zlibmodule.c gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) 2026-05-24 16:16:12 +03:00

README 

Source files for standard library extension modules,
and former extension modules that are now builtin modules.