]>
git.ipfire.org Git - thirdparty/Python/cpython.git/log
Zheng Yu [Tue, 23 Dec 2025 04:35:23 +0000 (22:35 -0600)]
gh-122431: Correct the non-negative error message in `readline.append_history_file` (GH-143075)
"positive" -> "non-negative", since zero is included.
Hai Zhu [Tue, 23 Dec 2025 00:28:08 +0000 (08:28 +0800)]
gh-134584: Eliminate redundant refcounting from `_LOAD_ATTR_WITH_HINT` (GH-143062)
Eliminate redundant refcounting from _LOAD_ATTR_WITH_HINT
Pablo Galindo Salgado [Mon, 22 Dec 2025 23:57:20 +0000 (23:57 +0000)]
gh-138122: Allow tachyon to write and read binary output (#142730)
Ken Jin [Mon, 22 Dec 2025 23:56:26 +0000 (07:56 +0800)]
gh-139922: Add tail call for MSVC for whats new in 3.15 (GH-143087)
Chris Eibl [Mon, 22 Dec 2025 23:01:34 +0000 (00:01 +0100)]
GH-139922: Tail calling for MSVC (VS 2026) (GH-143068)
Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
Co-authored-by: Brandt Bucher <brandt@python.org>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Ken Jin [Mon, 22 Dec 2025 20:54:47 +0000 (04:54 +0800)]
gh-139109: Add terminator to JIT code when halting due to invalid dependencies (#143033)
* Add terminator to JIT code when halting due to invalid dependencies
* 📜🤖 Added by blurb_it.
---------
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Stan Ulbrych [Mon, 22 Dec 2025 19:36:44 +0000 (19:36 +0000)]
gh-89152: Note truth testing exception in `stdtypes.rst` (#137640)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
AZero13 [Mon, 22 Dec 2025 17:48:11 +0000 (12:48 -0500)]
gh-143010: Prevent a TOCTOU issue by only calling open once (#143011)
* gh-143010: Prevent a TOCTOU issue by gh-143010: Prevent a TOCTOU issue by only calling open once
RDM: per AZero13's research the 'x' option did not exist when this code was written, This
modernization can thus drop the fd trick in _create_carefully and just use open with 'x' to achieve the same goal more securely.
Co-authored-by: sobolevn <mail@sobolevn.me>
Chris Eibl [Mon, 22 Dec 2025 17:10:52 +0000 (18:10 +0100)]
GH-142513: fix missing return in executor_clear (GH-143073)
fix missing return in executor_clear
Kumar Aditya [Mon, 22 Dec 2025 16:15:28 +0000 (21:45 +0530)]
gh-129069: fix more thread safety issues in `list` (#143019)
Kumar Aditya [Mon, 22 Dec 2025 15:38:07 +0000 (21:08 +0530)]
gh-143057: avoid locking in `tracemalloc` C-APIs when it is not enabled (#143065)
Ken Jin [Mon, 22 Dec 2025 14:57:13 +0000 (22:57 +0800)]
gh-142476: Fix Windows crashing with JIT (GH-143021)
Fix Windows crashing with JIT
Hugo van Kemenade [Mon, 22 Dec 2025 14:15:57 +0000 (16:15 +0200)]
gh-142927: Tachyon: Comma separate thousands and fix singular/plurals (#142934)
Yongtao Huang [Mon, 22 Dec 2025 10:16:50 +0000 (18:16 +0800)]
Remove unreachable code in mmapmodule error path on Windows (GH-143063)
mmapmodule: remove unreachable code in Windows error path
Remove an unreachable `return NULL` after `PyErr_SetFromWindowsErr()` in
the Windows mmap resize error path.
Signed-off-by: Yongtao Huang <yongtaoh2022@gmail.com>
Bartosz Sławecki [Mon, 22 Dec 2025 07:05:15 +0000 (08:05 +0100)]
gh-143046: Make asyncio REPL respect the `-q` flag (quiet mode) (#143047)
saucoide [Sun, 21 Dec 2025 16:58:07 +0000 (17:58 +0100)]
gh-80744: do not read .pdbrc twice when cwd == $home (#136816)
Gregory P. Smith [Sun, 21 Dec 2025 06:47:40 +0000 (22:47 -0800)]
gh-70647: Better promote how to safely parse yearless dates in datetime. (GH-116179)
* gh-70647: Better promote how to safely parse yearless dates in datetime.
Every four years people encounter this because it just isn't obvious.
This moves the footnote up to a note with a code example.
We'd love to change the default year value for datetime but doing
that could have other consequences for existing code. This documented
workaround *always* works.
* doctest code within note is bad, dedent.
* Update to match the error message.
* remove no longer referenced footnote
* ignore the warning in the doctest
* use Petr's suggestion for the docs to hide the warning processing
* cover date.strptime (3.14) as well
Gregory P. Smith [Sat, 20 Dec 2025 23:42:06 +0000 (15:42 -0800)]
gh-142145: relax the no-longer-quadratic test timing (#143030)
* gh-142145: relax the no-longer-quadratic test timing
* require cpu resource
Sam Gross [Sat, 20 Dec 2025 20:37:31 +0000 (15:37 -0500)]
gh-122581: Use parser mutex in default build for subinterpreters (gh-142959)
Sam Gross [Sat, 20 Dec 2025 19:42:12 +0000 (14:42 -0500)]
gh-120321: Avoid `-Wunreachable-code` warning on Clang (gh-143022)
Hai Zhu [Sat, 20 Dec 2025 17:27:34 +0000 (01:27 +0800)]
gh-142834: pdb commands command should use last available breakpoint (#142835)
AZero13 [Sat, 20 Dec 2025 07:37:10 +0000 (02:37 -0500)]
gh-143012: use `Py_ssize_t` cast for `PyBytes_FromStringAndSize` (#143013)
Hugo van Kemenade [Sat, 20 Dec 2025 01:36:09 +0000 (03:36 +0200)]
gh-142927: Tachyon: Start with user's default light/dark theme (#142987)
Sam Gross [Fri, 19 Dec 2025 23:06:47 +0000 (18:06 -0500)]
gh-129069: Fix listobject.c data races due to memmove (gh-142957)
The use of memmove and _Py_memory_repeat were not thread-safe in the
free threading build in some cases. In theory, memmove and
_Py_memory_repeat can copy byte-by-byte instead of pointer-by-pointer,
so concurrent readers could see uninitialized data or tearing.
Additionally, we should be using "release" (or stronger) ordering to be
compliant with the C11 memory model when copying objects within a list.
Sam Gross [Fri, 19 Dec 2025 22:33:49 +0000 (17:33 -0500)]
gh-120321: Fix TSan reported race in gen_clear_frame (gh-142995)
TSan treats compare-exchanges that fail as if they are writes
so there is a false positive with the read of gi_frame_state in
gen_close.
Sam Gross [Fri, 19 Dec 2025 19:10:37 +0000 (14:10 -0500)]
gh-120321: Make gi_frame_state transitions atomic in FT build (gh-142599)
This makes generator frame state transitions atomic in the free
threading build, which avoids segfaults when trying to execute
a generator from multiple threads concurrently.
There are still a few operations that aren't thread-safe and may crash
if performed concurrently on the same generator/coroutine:
* Accessing gi_yieldfrom/cr_await/ag_await
* Accessing gi_frame/cr_frame/ag_frame
* Async generator operations
Shamil [Fri, 19 Dec 2025 19:07:11 +0000 (22:07 +0300)]
gh-142476: fix memory leak when creating JIT executors (GH-142492)
Ken Jin [Fri, 19 Dec 2025 19:06:34 +0000 (03:06 +0800)]
gh-134584: JIT: Borrow references for immortal promoted globals (GH-142921)
JIT: Borrow references for immortal promoted globals
stratakis [Fri, 19 Dec 2025 18:14:52 +0000 (19:14 +0100)]
gh-142776: Ensure fp file descriptor is closed on all code paths in import.c (GH-142777)
Ken Jin [Fri, 19 Dec 2025 17:43:36 +0000 (01:43 +0800)]
gh-142961: Fix constant folding len(tuple) in JIT (GH-142963)
Petr Viktorin [Fri, 19 Dec 2025 16:48:34 +0000 (17:48 +0100)]
gh-134160: Start "Extending and embedding" with a Diataxis-style tutorial (GH-142314)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Éric <merwok@netwok.org>
Co-authored-by: Daniele Nicolodi <daniele@grinta.net>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Diego Russo [Fri, 19 Dec 2025 14:39:41 +0000 (14:39 +0000)]
JIT: Rename trampoline.c to shim.c (#142974)
Rogdham [Fri, 19 Dec 2025 12:44:03 +0000 (13:44 +0100)]
gh-136282: Configparser: create unnamed sections via mapping protocol access (GH-136313)
Andrej [Fri, 19 Dec 2025 08:29:35 +0000 (00:29 -0800)]
gh-142527: Docs: Clarify that random.seed() discards the sign of an integer input (#142483)
If *a* is an integer, the sign of *a* is discarded in the C source code. Clarify this behavior to prevent foot guns, where a common use case might naively assume that flipping the sign will produce different sequences (e.g. for a train/test split of a synthetic data generator in machine learning).
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
wangxiaolei [Fri, 19 Dec 2025 08:02:23 +0000 (16:02 +0800)]
gh-142560: prevent use-after-free in search-like methods by exporting buffer in bytearray (#142938)
Savannah Ostrowski [Thu, 18 Dec 2025 21:29:54 +0000 (13:29 -0800)]
GH-134584: Remove redundant refcount for `BINARY_OP_SUBSCR_STR_INT` (#142844)
Ethan Furman [Thu, 18 Dec 2025 18:31:37 +0000 (10:31 -0800)]
gh-118342: [Enum] update docs (GH-137290)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
LloydZ [Thu, 18 Dec 2025 18:25:36 +0000 (02:25 +0800)]
gh-134584: Eliminate redundant refcounting from _BINARY_OP_SUBSCR_LIST_INT (GH-142926)
Sam Gross [Thu, 18 Dec 2025 18:11:51 +0000 (13:11 -0500)]
gh-129068: Make range iterators thread-safe (gh-142886)
Now that we specialize range iteration in the interpreter for the common
case where the iterator has only one reference, there's not a
significant performance cost to making the iteration thread-safe.
Kumar Aditya [Thu, 18 Dec 2025 17:18:56 +0000 (22:48 +0530)]
gh-142890: remove unnecessary interp parameter from dict functions and `_PyDict_NotifyEvent` (#142923)
Serhiy Storchaka [Thu, 18 Dec 2025 17:04:28 +0000 (19:04 +0200)]
gh-142681: Move NormalizationTest-3.2.0.txt to more safe place. (GH-142935)
Mark Shannon [Thu, 18 Dec 2025 16:43:44 +0000 (16:43 +0000)]
GH-142513: Reimplement executor management (GH-142931)
* Invalidating an executor does not cause arbitrary code to run
* Executors are only freed at safe points
Donghee Na [Thu, 18 Dec 2025 14:33:49 +0000 (23:33 +0900)]
gh-142419: Add mmap.set_name method for user custom annotation (gh-142480)
Hugo van Kemenade [Thu, 18 Dec 2025 14:22:23 +0000 (16:22 +0200)]
gh-76007: Deprecate `VERSION` in `xml.etree.ElementTree` & `version` in `xml.sax.expatreader` & `xml.sax.handler` (#142898)
Max R [Thu, 18 Dec 2025 13:43:19 +0000 (08:43 -0500)]
Fix typo in `format_string` docstring (GH-136742)
Bartosz Sławecki [Thu, 18 Dec 2025 13:00:12 +0000 (14:00 +0100)]
gh-142784: make the asyncio REPL call `loop.close()` at exit (#142785)
MonadChains [Thu, 18 Dec 2025 12:50:05 +0000 (13:50 +0100)]
gh-124098: Fix incorrect inclusion of handler methods without protocol prefix in OpenerDirector (GH-136873)
Donghee Na [Thu, 18 Dec 2025 12:33:18 +0000 (21:33 +0900)]
gh-134584: Remove redundant refcount from _BINARY_OP_ADD_UNICODE (gh-142825)
James [Thu, 18 Dec 2025 12:17:42 +0000 (07:17 -0500)]
gh-137063: Document that ast node types replaced by Constant are no longer available (#137064)
ivonastojanovic [Thu, 18 Dec 2025 11:43:39 +0000 (11:43 +0000)]
gh-138122: Improve bytecode panel (#142910)
The bytecode panel appears when a user generates a heatmap with
--opcodes and clicks the button to unfold a line and display the
bytecode instructions. Currently, an empty space appears on the
left where the line number, self, and total columns are displayed.
This area should instead extend those columns, rather than leaving
a gap.
Ken Jin [Wed, 17 Dec 2025 22:47:47 +0000 (06:47 +0800)]
gh-139757: Treat call specially in JIT assembly backend optimizer on x86-64 and AArch64 (GH-142907)
Co-authored-by: Savannah Ostrowski <savannah@python.org>
Sam Gross [Wed, 17 Dec 2025 20:27:04 +0000 (15:27 -0500)]
gh-129748: Remove TSan suppression for mi_block_set_nextx (gh-142887)
The function was already changed to use a relaxed atomic store in gh-134238.
Savannah Ostrowski [Wed, 17 Dec 2025 19:21:45 +0000 (11:21 -0800)]
GH-100964: Fix reference cycle in exhausted generator frames (#141112)
Sam Gross [Wed, 17 Dec 2025 18:06:32 +0000 (13:06 -0500)]
gh-142766: Clear frame when `generator.close()` is called (gh-142838)
Pablo Galindo Salgado [Wed, 17 Dec 2025 17:43:52 +0000 (17:43 +0000)]
gh-91048: Refactor common data into context object in Modules/_remote_debugging (#142879)
Ken Jin [Wed, 17 Dec 2025 17:05:21 +0000 (01:05 +0800)]
gh-142849: Fix segfault in `executor_to_gv` (GH-142885)
Fix segfault in `executor_to_gv`
sobolevn [Wed, 17 Dec 2025 16:41:36 +0000 (19:41 +0300)]
gh-142873: Do not check for `PyContextVar_CheckExact` twice in `PyContextVar_Set` (#142874)
Damian Birchler [Wed, 17 Dec 2025 16:40:03 +0000 (17:40 +0100)]
gh-142876: remove reference to thread in documentation of `asyncio.Queue.shutdown` (#142888)
Petr Viktorin [Wed, 17 Dec 2025 15:33:09 +0000 (16:33 +0100)]
gh-142225: Add PyABIInfo_VAR to to _testcapimodule & _testinternalcapi (GH-142833)
Pablo Galindo Salgado [Wed, 17 Dec 2025 15:12:28 +0000 (15:12 +0000)]
gh-138122: Validate base frame before caching in remote debugging frame cache (#142852)
Benjamin Johnson [Wed, 17 Dec 2025 15:09:57 +0000 (07:09 -0800)]
gh-112127: Fix possible use-after-free in atexit.unregister() (GH-114092)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Ken Jin [Wed, 17 Dec 2025 14:21:02 +0000 (22:21 +0800)]
Use other name for JIT contributor (#142877)
Keming [Wed, 17 Dec 2025 14:15:22 +0000 (22:15 +0800)]
gh-142654: show the clear error message when sampling on an unknown PID in tachyon (#142655)
Co-authored-by: Pablo Galindo Salgado <pablogsal@gmail.com>
Savannah Ostrowski [Wed, 17 Dec 2025 12:14:44 +0000 (04:14 -0800)]
gh-139038: Add JIT What's New for 3.15 (#142845)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Ken Jin <kenjin4096@gmail.com>
Mark Shannon [Wed, 17 Dec 2025 12:07:07 +0000 (12:07 +0000)]
GH-142621: JIT: Avoid memory load for symbols within 4GB on AArch64 (GH-142820)
sobolevn [Wed, 17 Dec 2025 11:23:30 +0000 (14:23 +0300)]
gh-142859: Add `Tools/check-c-api-docs` to mypy check (#142860)
Lysandros Nikolaou [Wed, 17 Dec 2025 11:09:51 +0000 (12:09 +0100)]
gh-140374: Add glossary entries related to multithreading (#140375)
---------
Co-authored-by: Daniele Parmeggiani <8658291+dpdani@users.noreply.github.com>
yihong [Wed, 17 Dec 2025 09:44:47 +0000 (17:44 +0800)]
gh-139743: Avoid print twice verbose version for sqlite tests (GH-142850)
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
wangxiaolei [Wed, 17 Dec 2025 08:35:08 +0000 (16:35 +0800)]
gh-142783: Fix possible use after free in zoneinfo module (GH-142790)
Kumar Aditya [Wed, 17 Dec 2025 07:47:12 +0000 (13:17 +0530)]
gh-142752: add more thread safety tests for mock (#142791)
Jason R. Coombs [Wed, 17 Dec 2025 07:38:00 +0000 (02:38 -0500)]
gh-142836: Avoid /proc fd pipes on Solaris (#142853)
Ken Jin [Wed, 17 Dec 2025 00:12:32 +0000 (08:12 +0800)]
gh-142543: Mark tracer functions as Py_NO_INLINE (GH-142846)
Nadeshiko Manju [Tue, 16 Dec 2025 22:21:04 +0000 (07:21 +0900)]
gh-134584: Eliminate redundant refcounting from `_STORE_ATTR_WITH_HINT` (GH-142767)
Signed-off-by: Manjusaka <me@manjusaka.me>
ivonastojanovic [Tue, 16 Dec 2025 20:58:56 +0000 (20:58 +0000)]
gh-138122: Update Tachyon dark theme colors (#142841)
Nadeshiko Manju [Tue, 16 Dec 2025 20:39:20 +0000 (05:39 +0900)]
gh-134584: Eliminate redundant refcounting from `_LOAD_ATTR_INSTANCE_VALUE` (GH-142769)
Signed-off-by: Manjusaka <me@manjusaka.me>
Mark Shannon [Tue, 16 Dec 2025 19:57:15 +0000 (19:57 +0000)]
GH-142629: JIT: Fix out of bounds memory read in lltrace (GH-142821)
JIT: Fix out of bounds memory read in lltrace
Gabriele N. Tornetta [Tue, 16 Dec 2025 16:23:27 +0000 (16:23 +0000)]
Make RESUME monitoring more readable and robust (GH-142136)
Edward Xu [Tue, 16 Dec 2025 15:04:20 +0000 (23:04 +0800)]
gh-142495: Make `defaultdict` keep existed value when racing with `__missing__` (GH-142668)
Hugo van Kemenade [Tue, 16 Dec 2025 14:31:52 +0000 (16:31 +0200)]
Post 3.15.0a3
Hugo van Kemenade [Tue, 16 Dec 2025 12:25:53 +0000 (14:25 +0200)]
Python 3.15.0a3
Petr Viktorin [Tue, 16 Dec 2025 12:20:48 +0000 (13:20 +0100)]
gh-142754: Ensure that Element & Attr instances have the ownerDocument attribute (#142794)
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Hugo van Kemenade [Tue, 16 Dec 2025 12:08:51 +0000 (14:08 +0200)]
gh-76007: Deprecate `__version__` attribute in `wsgiref.simple_server` (#142675)
1nftf [Tue, 16 Dec 2025 11:56:12 +0000 (19:56 +0800)]
gh-142019: Add description about the exponent of result formatted with presentation type 'e' (#142084)
Cody Maloney [Tue, 16 Dec 2025 11:53:56 +0000 (03:53 -0800)]
gh-83926: BlockingIOError characters_written is byte count (#141215)
Mikhail Efimov [Tue, 16 Dec 2025 11:49:14 +0000 (14:49 +0300)]
gh-119786: Remove mention of `_PyThreadState_BumpFramePointer` from `InternalDocs/interpreter.md` (#141816)
Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
Mohsin Mehmood [Tue, 16 Dec 2025 11:46:42 +0000 (16:46 +0500)]
gh-141218: Fix inaccurate object comparison documentation (#141221)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Owain Davies [Tue, 16 Dec 2025 11:46:13 +0000 (11:46 +0000)]
Remove duplicate content in `Mapping types - dict` documentation (#141036)
Cameron Beck [Tue, 16 Dec 2025 11:44:12 +0000 (06:44 -0500)]
Correct Glossary key function example to use str.casefold instead of str.lower (#140316)
Sergey B Kirpichev [Tue, 16 Dec 2025 11:41:59 +0000 (14:41 +0300)]
decimal docs: specification link and examples (#128698)
Co-authored-by: RUANG (James Roy) <longjinyii@outlook.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Adorilson Bezerra [Tue, 16 Dec 2025 11:39:20 +0000 (11:39 +0000)]
gh-106318: Add examples for str.ljust() method (#142719)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Petr Viktorin [Tue, 16 Dec 2025 11:38:11 +0000 (12:38 +0100)]
Clarify that PyStructSequence is different from collections.namedtuple (#142626)
Arthur Wigo [Tue, 16 Dec 2025 11:29:52 +0000 (03:29 -0800)]
gh-130536: Add details to `os.path` documentation (#130557)
Stan Ulbrych [Tue, 16 Dec 2025 11:26:33 +0000 (11:26 +0000)]
gh-85204: Improve `locale.setlocale` example (#132683)
Patrick R [Tue, 16 Dec 2025 11:21:38 +0000 (12:21 +0100)]
gh-124864: Extends smtplib documentation on ESMTP options format (#132547)
Bartosz Sławecki [Tue, 16 Dec 2025 10:15:37 +0000 (11:15 +0100)]
gh-139320: Cover exception chaining in the docs of `contextmanager.__exit__` (GH-140169)
Sergey B Kirpichev [Tue, 16 Dec 2025 08:52:20 +0000 (11:52 +0300)]
gh-142595: Amend
be5e0dcdedb (fix NULL pointer dereference) (GH-142775)
Savannah Ostrowski [Mon, 15 Dec 2025 23:18:44 +0000 (15:18 -0800)]
GH-134584: Remove redundant refcount from `_STORE_ATTR_SLOT` (#142729)
Bartosz Sławecki [Mon, 15 Dec 2025 22:58:50 +0000 (23:58 +0100)]
gh-142737: Handle lost `io.open` in `_Py_FindSourceFile` (GH-142747)
Ken Jin [Mon, 15 Dec 2025 22:22:18 +0000 (06:22 +0800)]
gh-134584: JIT: Eliminate redundant refcount ops for X_INT (GH-142765)
AN Long [Mon, 15 Dec 2025 22:12:52 +0000 (07:12 +0900)]
gh-85222: Document the global start method side effect in multiprocessing (GH-136426)
* Document the ctx parameter in some types in multiprocessing.
* Reduce duplication while still linking to the central explanation from API points with the side effect.
Co-authored-by: Carol Willing <carolcode@willingconsulting.com>
Co-authored-by: R Chintan Meher <meherrihaan@gmail.com>