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Author SHA1 Message Date
Jason Yalim, PhD d99f3fc474 gh-140715: Add %F format code support to strptime() (GH-140647) 
Also: add tests for the `%T` format code

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
 2026-02-09 13:24:15 +01:00
Sergey B Kirpichev aa6ed802f2 gh-119740: Remove obsoleted removal announce for trunc delegation (GH-144622) 
This was done in GH-119743 (3.14).
 2026-02-09 13:41:05 +02:00
Petr Viktorin b22ff1e543 gh-140550: allow slots that repeat information from PyModuleDef (GH-144340) 
When integrating slots-based module creation is with the inittab,
which currently requires PyModuleDef, it would be convenient to
reuse the the same slots array for the MethodDef.

Allow slots that match what's already present in the PyModuleDef.
 2026-02-09 11:35:43 +01:00
Adorilson Bezerra 432ddd99e2 gh-106318: Add examples for str.partition() method (#142823) 2026-02-09 00:10:43 +02:00
Adorilson Bezerra 3dd7a3c65a gh-106318: Add example for str.isalnum() (#137550) 2026-02-09 00:08:18 +02:00
Sacul cfeede85a7 GH-131798: Optimize _GUARD_TOS_SLICE (GH-144470) 2026-02-08 18:08:26 +00:00
Guo Ci d73634935c For enum.bin, update versionadded directive from 3.10 to 3.11 (#144574) 2026-02-07 23:35:02 -08:00
Savannah Ostrowski e682141c49 Bump pre-commit hooks (#144576) 2026-02-07 23:14:18 +00:00
Bénédikt Tran 934997218e gh-143700: document secrets.DEFAULT_ENTROPY as an opaque value (#144568) 2026-02-07 23:36:42 +01:00
Guo Ci 6665115679 gh-84116: Add missing backslash to _SubParsersAction.add_parser signature (#144572) 2026-02-07 19:02:01 +01:00
kovan 0e7c06a858 gh-142044: Add note to prefer asyncio.timeout[_at] over asyncio.Timeout (#144449) 2026-02-07 12:22:51 +00:00
kovan 16efaa225c gh-140490: Document changes for PurePath.stem in Python 3.14 (#144450) 2026-02-07 13:19:20 +01:00
Damian Shaw f4364a51c1 gh-144538: Upgrade bundled pip to 26.0.1 (gh-144556) 
Upgrade bundled pip to 26.0.1
 2026-02-07 10:59:54 +00:00
Alper a2495ff1e7 gh-144490: Fix C++ compatibility in pycore_cell.h (GH-144482) 2026-02-06 22:11:58 -05:00
Krishna-web-hub 74db4404ea gh-84116: Docs: Document help and aliases for argparse.add_parser() (#140574) 
* gh-140281: Doc: Update free-threading how-to

* gh-140281: Doc: Update free-threading how-to

* Fix trailing whitespace

* doc fixing of the cpython fixes#84116

* Docs: Document help and aliases for argparse.add_parser() (gh-84116)

* Docs: Document help and aliases for argparse.add_parser() (gh-84116)

* Fix trailing whitespace

* Fix trailing whitespace

* Fix trailing whitespace

* Fix trailing whitespace

* Fix trailing whitespace

* Fix trailing whitespace

* Fix trailing errors

* Fix trailing errors and spaces

* Fix docutils formatting, NEWS ref, and trailing whitespace

* Docs: Update argparse.rst and add NEWS entry

* Delete Doc/howto/free-threading-python.rst

* Delete Misc/NEWS.d/next/Documentation/2025-10-25-00-49-43.gh-issue-140281.tuMQUe.rst

* adding the depreceated tag

* The error indexing was fixed

* Fix trailing whitespace

* Restore missing free-threading documentation

* fixing some minor error

* fixing some minor error part 2

* fixing some minor error part 3

* Fix NEWS entry format

* Final cleanup of NEWS entry format 2

* changes in the argparse.rst

* Remove unnecessary NEWS entry

* Fixing the issue as requested

* Added the Changes done before.

* done the changes

* done the changes#1

* Apply suggestion from @picnixz

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

* Apply suggestion from @picnixz

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

* Done the changes

* Done the new changes

* The versionadded is rectified

* Update Doc/library/argparse.rst

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>

* Docs editing

* Docs fixing whitespace

* Docs rectifiying

* little bit rectification

* Indentation rectification

* Indentation rectification 1

* Apply suggestion from @picnixz

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

* deprecated rectification

* Remove mistakenly added NEWS entry

* Update Doc/library/argparse.rst

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

* changes #1

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

* Update Doc/library/argparse.rst 2

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

* removed useless thing

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

* changed according to the request

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

* Updated the test part

---------

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
 2026-02-06 13:26:44 -08:00
Ken Jin 895e83727d gh-144549: Fix tail calling interpreter on Windows for FT (GH-144550) 2026-02-06 19:20:28 +00:00
Hugo van Kemenade 28fb13cb33 gh-143658: Use str.lower and replace to further improve performance of importlib.metadata.Prepared.normalized (#144083) 
Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
 2026-02-06 19:38:58 +02:00
Ken Jin 25e99b375d gh-132132: Upgrade to VS 2026 on Windows tailcall CI (GH-144544) 
Upgrade to VS 2026 on Windows tailcall CI
 2026-02-06 16:36:51 +00:00
Stan Ulbrych fb196c6f32 gh-140715: Update datetime.*.str*time format code tables (GH-140716) 2026-02-06 17:08:26 +01:00
Victor Stinner 172135cc42 gh-144490: Fix test_cppext: test the internal C API (#144536) 
Add missing TEST_INTERNAL_C_API env var.
 2026-02-06 16:42:42 +01:00
Sam Gross 0fdf6a9a71 gh-144513: Skip critical section locking during stop-the-world (gh-144524) 
When the interpreter is in a stop-the-world pause, critical sections
don't need to acquire locks since no other threads can be running.
This avoids a potential deadlock where lock fairness hands off ownership
to a thread that has already suspended for stop-the-world.
 2026-02-06 15:14:08 +00:00
Sam Gross 5bb3bbb9c6 gh-144446: Fix some frame object thread-safety issues (gh-144479) 
Fix thread-safety issues when accessing frame attributes while another
thread is executing the frame:

- Add critical section to frame_repr() to prevent races when accessing
  the frame's code object and line number

- Add _Py_NO_SANITIZE_THREAD to PyUnstable_InterpreterFrame_GetLasti()
  to allow intentional racy reads of instr_ptr.

- Fix take_ownership() to not write to the original frame's f_executable
 2026-02-06 09:43:36 -05:00
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
Sam Gross d891b2bbd1 gh-139103: Improve namedtuple scaling in free-threaded build (gh-144332) 
Add `_Py_type_getattro_stackref`, a variant of type attribute lookup
that returns `_PyStackRef` instead of `PyObject*`. This allows returning
deferred references in the free-threaded build, reducing reference count
contention when accessing type attributes.

This significantly improves scaling of namedtuple instantiation across
multiple threads.

* Add blurb

* Rename PyObject_GetAttrStackRef to _PyObject_GetAttrStackRef

* Apply suggestion from @vstinner

Co-authored-by: Victor Stinner <vstinner@python.org>

* Apply suggestion from @vstinner

Co-authored-by: Victor Stinner <vstinner@python.org>

* format

* Update Include/internal/pycore_function.h

Co-authored-by: Victor Stinner <vstinner@python.org>

---------

Co-authored-by: Victor Stinner <vstinner@python.org>
 2026-02-06 09:43:05 -05:00
Ned Batchelder 638d22c6e7 Docs: module pages should not link to themselves (#144505) 
* Docs: module pages should not link to themselves

* fix header punctuation
 2026-02-06 06:48:27 -05:00
Petr Viktorin f85e1170d2 gh-141004: Reorganize and reword the 'Useful macros' section (GH-144471) 
- Group the macros
- Roughly order them to put the most important ones first
- Add expansions where it makes sense; especially if there's
  an equivalent in modern C or a common compiler

Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
 2026-02-06 11:55:11 +01:00
Stan Ulbrych cf60e0c452 Docs: Pull expat license from Modules/expat/ in license.rst (#144488) 
Use license directly from Modules/expat/COPYING.

Co-authored-by: Victor Stinner <vstinner@python.org>
 2026-02-06 09:54:34 +01:00
David Lechner 56590f820e gh-144493: Improve error message in _overlapped.BindLocal() (#144495) 
Replace a confusing error message with one that actually explains what the error is in `_overlapped.BindLocal()`.

Fixes: https://github.com/python/cpython/issues/144493
 2026-02-06 09:51:19 +01:00
Seth Michael Larson 957f9fe162 gh-74453: Deprecate os.path.commonprefix (#144436) 
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
 2026-02-05 22:37:05 +02:00
Zackery Spytz 01a1dd283b gh-77188: Add support for pickling private methods and nested classes (GH-21480) 
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
 2026-02-05 19:50:51 +00:00
Serhiy Storchaka 4644fed819 gh-144001: Support ignoring the invalid pad character in Base64 decoding (GH-144306) 2026-02-05 21:14:49 +02:00
Serhiy Storchaka c81e1843d4 gh-74955: Document that __all__ must contain strings in normalization form NFKC (GH-144504) 2026-02-05 20:06:33 +02:00
Raymond Hettinger 50e107f149 More realistic lru_cache example (gh-144517) 2026-02-05 12:04:12 -06:00
NewUserHa d9a2e587fc gh-142407: Clarify copy performance on Windows in shutil docs (GH-142408) 2026-02-05 17:45:14 +00:00
Seth Michael Larson 7e777c587f gh-144484: Warn users not to use wsgiref in production 2026-02-05 15:43:39 +00:00
Serhiy Storchaka 67ddba9aa9 gh-144148: Update the urllib.parse documentation (GH-144497) 
Document urlsplit() as the main parsing function and urlparse() as
an obsolete variant.
 2026-02-05 16:32:17 +02:00
Stan Ulbrych d5cb9f6a9b gh-144363: Update bundled libexpat to 2.7.4 (#144365) 
* Update to 2.7.4

* update expat license copyright year to match and a pedantic #define

* include COPYING update in refresh.sh

* Update checksum for copying

---------

Co-authored-by: Gregory P. Smith <greg@krypto.org>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
 2026-02-05 13:58:18 +01:00
Victor Stinner ffa68529b4 gh-144330: Initialize classmethod and staticmethod in new (#144469) 
Move classmethod and staticmethod initialization from __init__() to
__new__().

PyClassMethod_New() and PyStaticMethod_New() now copy attributes of
the wrapped functions: __module__, __name__, __qualname__ and
__doc__.

Change static type initialization: initialize PyStaticMethod_Type and
PyCFunction_Type earlier.

Remove test_refleaks_in_classmethod___init__() and
test_refleaks_in_staticmethod___init__() tests from test_descr since
classmethod and staticmethod have no __init__() method anymore.
 2026-02-05 11:32:56 +01:00
Mark Shannon b53fc7caa6 GH-144179: Use recorded values to make optimizer more robust (GH-144437) 
* Add three new symbol kinds
* Do not smuggle code object in _PUSH_FRAME operand
* Fix small bug in predicate analysis
 2026-02-05 08:58:41 +00:00
Raymond Hettinger b6d8aa436b Itertools recipes: Replace the tabulate() example with running_mean() (gh-144483) 2026-02-04 14:21:20 -06:00
Pieter Eendebak 009c8c052f 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
Serhiy Storchaka dd0fde58cc gh-143962: Improve name suggestions for not normalized names (GH-144154) 
Suggest the normalized name or the closest name to the normalized name.
If the suggested name is not ASCII, include also its ASCII representation.
 2026-02-04 17:23:09 +00:00
Adorilson Bezerra 1b6d737ee0 gh-106318: Add examples for str.startswith() method (#144369) 
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
 2026-02-04 18:17:42 +01:00
Peter Bierma 914fbec214 gh-141004: Document remaining pyport.h utility macros (GH-144279) 
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
 2026-02-04 11:43:47 -05:00
Petr Viktorin e423e0c2cc gh-141984: Reword and reorganize Subscription (and Slicing) docs (GH-141985) 
Co-authored-by: Blaise Pabon <blaise@gmail.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
 2026-02-04 16:08:23 +00:00
Victor Stinner 2aea861fe0 gh-140824: Fix _Py_DumpExtensionModules() to ignore sub-modules (#144339) 
Ignore "math.integer" extension if "math" is in
sys.stdlib_module_names.
 2026-02-04 16:06:35 +01:00
Lucas Colley 0bb4ecafcb gh-142903: add conda-forge license for pixi-packages (#143468) 
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: h-vetinari <h.vetinari@gmx.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
 2026-02-04 12:36:14 +00:00
Serhiy Storchaka f73d2e7003 gh-144386: Add support for descriptors in ExitStack and AsyncExitStack (#144420) 
__enter__(), __exit__(), __aenter__(), and __aexit__() can now be
arbitrary descriptors, not only normal methods, for consistency with the
"with" and "async with" statements.
 2026-02-04 13:20:18 +02:00
kovan 34e5a63f14 gh-141444: Replace dead URL in urllib.robotparser example (GH-144443) 
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
 2026-02-04 10:45:15 +02:00
Guido Imperiale 37c35542a9 gh-143120: pixi builds for free-threading and TSAN (#142872) 
Co-authored-by: Isuru Fernando <isuruf@gmail.com>
Co-authored-by: Lucas Colley <lucas.colley8@gmail.com>
 2026-02-04 09:58:29 +05:30