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kangtastic 45d4a34720 gh-101178: Add Ascii85, Base85, and Z85 support to binascii (GH-102753) 
Add Ascii85, Base85, and Z85 encoders and decoders to binascii,
replacing the existing pure Python implementations in base64.

This makes the codecs two orders of magnitude faster and consume
two orders of magnitude less memory.

Note that attempting to decode Ascii85 or Base85 data of length 1 mod 5
(after accounting for Ascii85 quirks) now produces an error, as no
encoder would emit such data. This should be the only significant
externally visible difference compared to the old implementation.

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
2026-02-06 16:43:16 +02:00
..
_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-144380: Fix incorrect type check in buffered_iternext() (#144381)
2026-02-02 15:34:18 +05:30
_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-144377: Clean up sqlite3 Connection's list of weakrefs to Cursor objects (#144378)
2026-02-03 13:36:12 +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-139103: Improve namedtuple scaling in free-threaded build (gh-144332)
2026-02-06 09:43:05 -05:00
_testlimitedcapi
gh-140232: Do not track frozenset objects with immutables (#140234)
2026-01-28 11:27:37 +01:00
_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-101178: Add Ascii85, Base85, and Z85 support to binascii (GH-102753)
2026-02-06 16:43:16 +02:00
expat
gh-144363: Update bundled libexpat to 2.7.4 (#144365)
2026-02-05 13:58:18 +01:00
_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
Fix comments for heapq.siftup_max (#135359)
2025-07-03 15:21:41 +05:30
_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
gh-132775: Use _PyObject_GetXIData (With Fallback) (gh-134440)
2025-05-22 06:50:06 -06:00
_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
gh-122681: remove m_atan2()/c_atan2() helpers (#122715)
2024-08-17 13:48:16 +05:30
_opcode.c
gh-144289: Remove ENABLE_SPECIALIZATION_FT (gh-144290)
2026-01-27 17:52:50 -05:00
_operator.c
gh-131238: Add explicit includes to pycore headers (#131257)
2025-03-17 12:32:43 +01:00
_pickle.c
gh-77188: Add support for pickling private methods and nested classes (GH-21480)
2026-02-05 19:50:51 +00:00
_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
gh-116322: Add Py_mod_gil module slot (#116882)
2024-05-03 11:30:55 -04:00
_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
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
_ssl.c
gh-144249: Report filename in SSLContext.load_cert_chain errors (#144250)
2026-01-28 11:20:51 +01:00
_ssl.h
…
_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-143904: Raise OverflowError instead of IndexError for too large offset in struct.pack_into() (GH-143905)
2026-02-01 15:25:59 +02:00
_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
gh-136300: Modify C tests to conform to PEP-737 (GH-136301)
2025-07-11 15:18:35 +02:00
_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-142434: Use ppoll() if available in select.poll (#143529)
2026-01-15 13:49:46 +01:00
_testclinic_limited.c
gh-116322: Rename PyModule_ExperimentalSetGIL to PyUnstable_Module_SetGIL (GH-118645)
2024-05-06 18:59:36 +02:00
_testclinic.c
gh-111489: Remove _PyTuple_FromArray() alias (#139973)
2025-10-11 22:58:14 +02:00
_testimportmultiple.c
gh-116322: Add Py_mod_gil module slot (#116882)
2024-05-03 11:30:55 -04:00
_testinternalcapi.c
GH-126910: add test for manual frame unwinding (#144137)
2026-01-27 13:17:40 +00:00
_testlimitedcapi.c
gh-111495: Add PyFile tests (#129449)
2025-01-30 18:05:32 +01:00
_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
gh-136492: Add FrameLocalsProxyType to types (GH-136546)
2025-07-20 20:49:00 +02:00
_typingmodule.c
gh-105499: Merge typing.Union and types.UnionType (#105511)
2025-03-04 11:44:19 -08:00
_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-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
gh-114917: add support for AI_NUMERICSERV in getaddrinfo emulation (#114918)
2025-03-18 11:26:51 +01:00
arraymodule.c
gh-142555: Fix null pointer dereference in array.__setitem__ via re-entrant __index__ (GH-142713)
2026-02-02 15:44:08 +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-101178: Add Ascii85, Base85, and Z85 support to binascii (GH-102753)
2026-02-06 16:43:16 +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
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-137725: Convert faulthandler to Argument Clinic (#137726)
2025-08-16 15:16:04 +02:00
fcntlmodule.c
gh-144206: Improve error messages for buffer overflow in fcntl.fcntl() and fcntl.ioctl() (GH-144273)
2026-01-29 15:04:37 +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
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_noop.c
…
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-120037: Disable user site packages when a ._pth file is used (GH-137428)
2025-08-19 21:28:28 +01:00
grpmodule.c
gh-116738: Make grp module thread-safe (#135434)
2025-07-14 11:18:41 -07:00
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-116946: remove unnecessary gc from immutable types (#139073)
2025-10-01 13:15:58 +05:30
itertoolsmodule.c
gh-123471: Make concurrent iteration over itertools.permutations and itertools.combinations_with_replacement thread-safe (gh-144402)
2026-02-04 13:38:45 -05:00
ld_so_aix.in
…
main.c
gh-108512: Add and use new replacements for PySys_GetObject() (GH-111035)
2025-05-28 20:11:09 +03:00
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
…
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-144493: Improve error message in _overlapped.BindLocal() (#144495)
2026-02-06 09:51:19 +01:00
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
gh-85283: Convert grp extension to the limited C API (#116611)
2024-03-12 00:46:53 +00:00
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
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
…
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
gh-136421: Load _datetime static types during interpreter initialization (GH-136583)
2025-07-21 13:47:26 -04:00
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
gh-116738: Make syslog module thread-safe (#136760)
2025-07-21 09:24:42 -07:00
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
…
xxlimited_35.c
gh-111178: Fix function signatures for multiple tests (#131496)
2025-03-20 12:27:03 +01:00
xxlimited.c
gh-134160: Add more comments for the xxlimited module (GH-140214)
2025-10-27 11:39:42 +01:00
xxmodule.c
gh-122040: reword Modules/xxmodule.c module-level comment (#132201)
2025-04-07 08:03:03 +00:00
xxsubtype.c
gh-111178: fix UBSan failures in Modules/xx*.c (GH-129797)
2025-02-25 13:02:32 +01:00
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.
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