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cpython/Modules
History
Sam Gross 6ea3f8cd7f
gh-144289: Remove ENABLE_SPECIALIZATION_FT (gh-144290) 
Now that the specializing interpreter works with free threading,
replace ENABLE_SPECIALIZATION_FT with ENABLE_SPECIALIZATION and
replace requires_specialization_ft with requires_specialization.

Also limit the uniquely referenced check to FOR_ITER_RANGE. It's not
necessary for FOR_ITER_GEN and would cause test_for_iter_gen to fail.
2026-01-27 17:52:50 -05:00
..
_ctypes
gh-142966: Make ctypes.POINTER.set_type also reset format (GH-142967)
2026-01-26 17:40:56 +01:00
_decimal
gh-142440: Fix _decimal builds configured with EXTRA_FUNCTIONALITY (GH-142441)
2026-01-19 14:19:20 +02:00
_hacl
gh-140120: Refresh HACL* to fix an hmac memory leak (GH-140188)
2025-10-16 05:25:51 +00:00
_io
gh-143689: Fix BufferedReader.read1 leaving object in reentrant state on error (#143690)
2026-01-19 15:09:30 +01:00
_multiprocessing
gh-138342: Move _PyObject_VisitType() to the internal C API (#139734)
2025-10-08 12:10:58 +02:00
_remote_debugging
gh-138122: Skip threads on EPERM in blocking mode profiler (GH-143368)
2026-01-03 15:37:16 +01:00
_sqlite
gh-142830: prevent some crashes when mutating sqlite3 callbacks (#143245)
2026-01-01 11:55:05 +01:00
_sre
gh-116738: Fix thread-safety issue in re module for free threading (gh-141923)
2025-11-26 15:40:45 -05:00
_ssl
gh-140795: Remove 'exc' field in SSLObject (gh-143491)
2026-01-12 17:14:13 +00:00
_testcapi
gh-140557: Force alignment of empty bytearray and array.array buffers (GH-140559)
2026-01-26 16:45:17 +01:00
_testinternalcapi
gh-144289: Remove ENABLE_SPECIALIZATION_FT (gh-144290)
2026-01-27 17:52:50 -05:00
_testlimitedcapi
gh-132657: add regression test for PySet_Contains with unhashable type (#141411)
2025-11-12 20:50:08 +05:30
_xxtestfuzz
gh-131253: free-threaded build support for pystats (gh-137189)
2025-11-03 11:36:37 -08:00
_zstd
gh-139877: Use PyBytesWriter in pycore_blocks_output_buffer.h (#139976)
2025-10-14 10:03:55 -07:00
cjkcodecs
gh-101828: Fix jisx0213 codecs removing null characters (gh-139340)
2025-10-14 22:55:00 +09:00
clinic
gh-144001: Support ignorechars in binascii.a2b_base64() and base64.b64decode() (GH-144024)
2026-01-26 20:11:40 +02:00
expat
gh-139312: Update bundled libexpat to 2.7.3 (GH-139319)
2025-09-26 19:44:36 -07:00
_abc.c
GH-137623: Use an AC decorator for docstring line length enforcement (#137690)
2025-08-18 18:29:00 +01:00
_asynciomodule.c
gh-142615: disallow multiple initializations of asyncio.Task and asyncio.Future (#142616)
2026-01-03 13:27:02 +05:30
_bisectmodule.c
GH-135763: AC: Use `Py_ssize_t(allow_negative=False)` (#138394)
2025-09-02 21:29:05 +01:00
_bz2module.c
gh-116738: Make _bz2 module thread-safe (gh-142756)
2025-12-15 12:47:04 -05:00
_codecsmodule.c
gh-55531: Implement normalize_encoding in C (#136643)
2025-10-30 15:31:47 +01:00
_collectionsmodule.c
gh-143004: Fix possible use-after-free in collections.Counter.update() (GH-143044)
2025-12-25 09:13:39 +00:00
_csv.c
gh-116738: Make csv module thread-safe (gh-141365)
2025-11-21 11:22:31 -05:00
_curses_panel.c
gh-116946: add Py_TPFLAGS_IMMUTABLETYPE to several internal types (#138582)
2025-09-11 09:56:20 +02:00
_cursesmodule.c
gh-129813, PEP 782: Use PyBytesWriter in _curses (#138920)
2025-09-15 16:24:34 +02:00
_datetimemodule.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
_dbmmodule.c
gh-116738: Add critical section to dbm/gdbm context manager (gh-140391)
2025-10-22 11:16:28 -04:00
_elementtree.c
gh-142306: Improve errors for Element.remove() (GH-142308)
2026-01-12 11:49:18 +02:00
_functoolsmodule.c
GH-140590: Fix setstate for functools.partial C-module (GH-140671)
2025-10-28 10:28:32 +01:00
_gdbmmodule.c
gh-116738: Add critical section to dbm/gdbm context manager (gh-140391)
2025-10-22 11:16:28 -04:00
_hashopenssl.c
gh-142451: correctly copy HMAC attributes in HMAC.copy() (#142510)
2025-12-14 09:45:36 +01:00
_heapqmodule.c
…
_interpchannelsmodule.c
gh-140306: Fix memory leaks in cross-interpreter data handling (GH-140307)
2025-10-19 22:24:28 +03:00
_interpqueuesmodule.c
gh-140306: Fix memory leaks in cross-interpreter data handling (GH-140307)
2025-10-19 22:24:28 +03:00
_interpreters_common.h
…
_interpretersmodule.c
GH-137623: Use an AC decorator for docstring line length enforcement (#137690)
2025-08-18 18:29:00 +01:00
_json.c
gh-143196: Fix crash in non-standard use of internal JSON encoder object (GH-143618)
2026-01-12 18:23:05 +00:00
_localemodule.c
gh-130567: Remove optimistic allocation in locale.strxfrm() (GH-137143)
2025-10-16 09:54:41 +02:00
_lsprof.c
Remove internal _PyTime_AsLong() function (#141053)
2025-11-05 18:37:06 +01:00
_lzmamodule.c
gh-116738: Make lzma module thread-safe (#142947)
2026-01-13 14:02:27 +00:00
_math.h
…
_opcode.c
gh-144289: Remove ENABLE_SPECIALIZATION_FT (gh-144290)
2026-01-27 17:52:50 -05:00
_operator.c
…
_pickle.c
gh-143638: Forbid cuncurrent use of the Pickler and Unpickler objects in C implementation (GH-143664)
2026-01-11 14:01:13 +02:00
_posixsubprocess.c
gh-141659: Fix bad file descriptor error in subprocess on AIX (GH-141660)
2025-11-19 09:37:09 +02:00
_queuemodule.c
gh-140025: Fix queue.SimpleQueue.__sizeof__() to return correct size (#143137)
2026-01-08 12:40:25 +00:00
_randommodule.c
Fix a compiler warning in _randommodule.c (#141058)
2025-11-05 18:00:32 +00:00
_scproxy.c
…
_ssl_data_36.h
gh-143960: Add support for OpenSSL 3.6, drop EOL 3.2 (#143961)
2026-01-20 17:25:31 +02:00
_ssl_data_111.h
…
_ssl_data_300.h
…
_ssl_data_340.h
…
_ssl.c
gh-143756: Avoid borrowed reference in SSL code (gh-143816)
2026-01-22 14:02:48 -05:00
_ssl.h
…
_stat.c
…
_statisticsmodule.c
gh-116322: Add Py_mod_gil module slot (#116882)
2024-05-03 11:30:55 -04:00
_struct.c
Update struct.__doc__: _Bool available unconditionally (#143716)
2026-01-20 13:09:20 +01:00
_suggestions.c
gh-116738: Make _suggestions module thread-safe (gh-140321)
2025-10-22 09:14:48 +09:00
_sysconfig.c
GH-137623: Use an AC decorator for docstring line length enforcement (#137690)
2025-08-18 18:29:00 +01:00
_testbuffer.c
…
_testcapi_feature_macros.inc
…
_testcapimodule.c
gh-142434: Use ppoll() if available in select.poll (#143529)
2026-01-15 13:49:46 +01:00
_testclinic_limited.c
…
_testclinic.c
gh-111489: Remove _PyTuple_FromArray() alias (#139973)
2025-10-11 22:58:14 +02:00
_testimportmultiple.c
…
_testinternalcapi.c
GH-126910: add test for manual frame unwinding (#144137)
2026-01-27 13:17:40 +00:00
_testlimitedcapi.c
…
_testmultiphase.c
gh-141780: Make PyModule_FromSlotsAndSpec enable GIL if needed (GH-141785)
2025-11-24 13:26:35 +01:00
_testsinglephase.c
gh-140550: Initial implementation of PEP 793 – PyModExport (GH-140556)
2025-11-05 12:31:42 +01:00
_threadmodule.c
gh-143191: Use _PyOS_MIN_STACK_SIZE in _thread.stack_size() (#143601)
2026-01-09 16:08:40 +01:00
_tkinter.c
Remove stray typedef in _tkinter.c (GH-142924)
2026-01-24 17:20:14 +02:00
_tracemalloc.c
GH-137623: Use an AC decorator for docstring line length enforcement (#137690)
2025-08-18 18:29:00 +01:00
_typesmodule.c
…
_typingmodule.c
…
_uuidmodule.c
…
_weakref.c
gh-120974: Make _asyncio._leave_task atomic in the free-threaded build (#122139)
2024-07-23 17:06:03 +00:00
_winapi.c
remove duplicate error constants in _winapi (#143684)
2026-01-13 19:11:38 +05:30
_zoneinfo.c
gh-142783: Fix possible use after free in zoneinfo module (GH-142790)
2025-12-17 08:35:08 +00:00
addrinfo.h
…
arraymodule.c
gh-140557: Force alignment of empty bytearray and array.array buffers (GH-140559)
2026-01-26 16:45:17 +01:00
atexitmodule.c
gh-142881: Fix concurrent and reentrant call of atexit.unregister() (GH-142901)
2026-01-12 10:45:10 +02:00
binascii.c
gh-144001: Support ignorechars in binascii.a2b_base64() and base64.b64decode() (GH-144024)
2026-01-26 20:11:40 +02:00
blake2module.c
gh-138342: Move _PyObject_VisitType() to the internal C API (#139734)
2025-10-08 12:10:58 +02:00
cmathmodule.c
gh-116738: Statically initialize special constants in cmath module (gh-142161)
2025-12-04 09:21:51 -05:00
config.c.in
…
errnomodule.c
…
faulthandler.c
gh-137725: Convert faulthandler to Argument Clinic (#137726)
2025-08-16 15:16:04 +02:00
fcntlmodule.c
gh-140615: Update docstrings in the fcntl module (GH-140619)
2025-11-08 12:17:59 +02:00
gc_weakref.txt
GH-135552: Make the GC clear weakrefs later (GH-136189)
2025-08-07 16:32:17 -07:00
gcmodule.c
GH-140638: Add a GC "candidates" stat (GH-141814)
2025-11-22 21:59:14 +00:00
getaddrinfo.c
…
getbuildinfo.c
…
getnameinfo.c
…
getpath_noop.c
…
getpath.c
…
getpath.py
gh-120037: Disable user site packages when a ._pth file is used (GH-137428)
2025-08-19 21:28:28 +01:00
grpmodule.c
…
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-116946: remove unnecessary gc from immutable types (#139073)
2025-10-01 13:15:58 +05:30
itertoolsmodule.c
gh-140061: Use _PyObject_IsUniquelyReferenced() to check if objects are uniquely referenced (gh-140062)
2025-10-15 09:48:21 -04:00
ld_so_aix.in
…
main.c
…
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
…
mathintegermodule.c
gh-81313: Add the math.integer module (PEP-791) (GH-133909)
2025-10-31 16:13:43 +02:00
mathmodule.c
gh-141004: soft-deprecate Py_INFINITY macro (#141033)
2025-11-12 13:44:49 +01:00
md5module.c
gh-138342: Move _PyObject_VisitType() to the internal C API (#139734)
2025-10-08 12:10:58 +02:00
mmapmodule.c
gh-63016: Add flags parameter on mmap.flush (#139553)
2025-12-27 10:33:56 +00:00
overlapped.c
gh-143249: Fix buffer leak when overlapped operation fails to start on windows (#143250)
2026-01-13 19:01:24 +05:30
posixmodule.c
gh-144023: Prevent follow_symlinks from being allowed with an fd of 0 (GH-144022)
2026-01-20 11:50:51 +02:00
posixmodule.h
…
pwdmodule.c
GH-137623: Use an AC decorator for docstring line length enforcement (#137690)
2025-08-18 18:29:00 +01:00
pyexpat.c
gh-140593: Fix a memory leak in function my_ElementDeclHandler of pyexpat (#140602)
2025-10-26 13:45:32 +00:00
readline.c
gh-122431: Correct the non-negative error message in readline.append_history_file (GH-143075)
2025-12-22 23:35:23 -05:00
README
…
resource.c
gh-137512: Add new constants in the resource module (GH-137513)
2025-08-19 08:52:45 +02:00
rotatingtree.c
…
rotatingtree.h
bpo-32150: Expand tabs to spaces in C files. (#4583)
2017-11-28 17:56:10 +02:00
selectmodule.c
gh-142434: Use ppoll() if available in select.poll (#143529)
2026-01-15 13:49:46 +01:00
Setup
gh-138122: Split Modules/_remote_debugging_module.c into multiple files (#141934)
2025-11-25 12:51:24 +00:00
Setup.bootstrap.in
…
Setup.stdlib.in
gh-142913: Add test case for interpreter generator w/ overridden opcodes (#142911)
2026-01-16 10:33:29 -08:00
sha1module.c
gh-138342: Move _PyObject_VisitType() to the internal C API (#139734)
2025-10-08 12:10:58 +02:00
sha2module.c
gh-138342: Move _PyObject_VisitType() to the internal C API (#139734)
2025-10-08 12:10:58 +02:00
sha3module.c
gh-138342: Move _PyObject_VisitType() to the internal C API (#139734)
2025-10-08 12:10:58 +02:00
signalmodule.c
gh-67795: Accept any real numbers as timestamp and timeout (GH-139224)
2025-09-23 21:31:42 +03:00
socketmodule.c
gh-142991: socketmodule: fixed getsockaddrlen() for PF_DIVERT socket (#142993)
2026-01-06 17:25:29 +01:00
socketmodule.h
gh-86819: Add ISO-TP CAN socket constants (#23794)
2025-09-17 17:18:04 +00:00
symtablemodule.c
gh-135801: Add the module parameter to compile() etc (GH-139652)
2025-11-13 13:21:32 +02:00
syslogmodule.c
…
termios.c
GH-137623: Use an AC decorator for docstring line length enforcement (#137690)
2025-08-18 18:29:00 +01:00
timemodule.c
Remove internal _PyTime_AsLong() function (#141053)
2025-11-05 18:37:06 +01:00
tkappinit.c
…
tkinter.h
…
unicodedata_db.h
gh-74902: Add Unicode Grapheme Cluster Break algorithm (GH-143076)
2026-01-14 14:37:57 +00:00
unicodedata.c
gh-143897: Remove the isxidstart() and isxidcontinue() methods of unicodedata.ucd_3_2_0 (GH-143898)
2026-01-19 12:37:41 +00:00
unicodename_db.h
closes gh-138706: update Unicode to 17.0.0 (#138719)
2025-09-11 09:58:39 -07:00
winreparse.h
bpo-31512: Add non-elevated symlink support for Windows (GH-3652)
2019-04-09 11:19:46 -07:00
xxlimited_35.c
…
xxlimited.c
gh-134160: Add more comments for the xxlimited module (GH-140214)
2025-10-27 11:39:42 +01:00
xxmodule.c
…
xxsubtype.c
…
zlibmodule.c
gh-116738: Make zlib module thread-safe (gh-142432)
2025-12-12 13:14:42 -05:00

README 

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