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252 commits

Author SHA1 Message Date
Hugo van Kemenade
aeff92d86a Python 3.15.0a1 2025-10-14 13:46:08 +03:00
Bartosz Sławecki
0344db8d60
gh-131189: Remove curses mention from PYTHON_BASIC_REPL docs (#140022) 
The `curses` dependency for the default REPL has been removed
in 09dfb50f1b.
 2025-10-13 10:40:39 +02:00
Serhiy Storchaka
cf9ef73121
gh-134716: Support regular expressions in -W and PYTHONWARNINGS (GH-138149) 2025-09-16 17:06:44 +00:00
sobolevn
1c984ba953
gh-136355: Deprecate -b and -bb CLI flags in 3.15 (#136363) 
Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
 2025-09-14 20:00:03 +03:00
Stan Ulbrych
b3ff3165d2
gh-89905: Correct -R option doc (#137608) 2025-09-01 19:58:25 +02:00
Brian Schubert
34ce1920ca
Docs: Fix duplicate word typos (GH-135958) 2025-06-26 20:00:19 -04:00
mpage
fea5ccc55d
gh-135805: Document the X option and env var for controlling thread-local bytecode (#135868) 
Document the X option and env var for controlling thread-local bytecode.
 2025-06-24 10:02:50 -07:00
Hugo van Kemenade
b092705907 Python 3.14.0b1 2025-05-06 18:33:52 +03:00
Noah Kim
c4bcc6a778
gh-102567: Add -X importtime=2 for logging an importtime message for already-loaded modules (#118655) 
Co-authored-by: Adam Turner <9087854+aa-turner@users.noreply.github.com>
 2025-05-06 01:03:55 +01:00
Brandt Bucher
b1aa515bd6
GH-133231: Add JIT utilities in sys._jit (GH-133233) 2025-05-05 15:25:22 -07:00
Adam Turner
4c56563f7a
GH-133336: Remove reserved `-J` flag for Jython (#133444) 2025-05-05 15:09:19 +00:00
Jon Crall
fc0ec29889
gh-103997: Automatically dedent the argument to "-c" (#103998) 
Co-authored-by: sunmy2019 <59365878+sunmy2019@users.noreply.github.com>
Co-authored-by: Kirill Podoprigora <80244920+Eclips4@users.noreply.github.com>
Co-authored-by: Inada Naoki <songofacandy@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
 2025-04-18 17:39:30 +09:00
Neil Schemenauer
d687900f98
gh-128384: Use a context variable for warnings.catch_warnings (gh-130010) 
Make `warnings.catch_warnings()` use a context variable for holding
the warning filtering state if the `sys.flags.context_aware_warnings`
flag is set to true.  This makes using the context manager thread-safe in
multi-threaded programs.

Add the `sys.flags.thread_inherit_context` flag.  If true, starting a new
thread with `threading.Thread` will use a copy of the context
from the caller of `Thread.start()`.

Both these flags are set to true by default for the free-threaded build
and false for the default build.

Move the Python implementation of warnings.py into _py_warnings.py.

Make _contextvars a builtin module.

Co-authored-by: Kumar Aditya <kumaraditya@python.org>
 2025-04-09 16:18:54 -07:00
Hugo van Kemenade
29af6cee02 Python 3.14.0a7 2025-04-08 14:20:51 +03:00
Pablo Galindo Salgado
943cc1431e
gh-131591: Implement PEP 768 (#131937) 
Co-authored-by: Ivona Stojanovic <stojanovic.i@hotmail.com>
Co-authored-by: Matt Wozniski <godlygeek@gmail.com>
 2025-04-03 16:20:01 +01:00
Michael Kashirin
f18b226492
gh-126172: Fix a misleading statement in PYTHON_BASIC_REPL documentation (#127203) 
Fix a misleading statement in PYTHON_BASIC_REPL documentation.
 2025-01-21 20:05:19 +00:00
Hugo van Kemenade
23f2e8f13c
gh-127221: Add colour to unittest output (#127223) 
Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>
 2024-12-05 21:10:46 +02:00
Peter Bierma
84ad264ce6
gh-123275: Support -Xgil=1 and PYTHON_GIL=1 on non-free-threaded builds (gh-123276) 2024-09-06 08:53:47 +09:00
Wei-Hsiang (Matt) Wang
103a0470e3
gh-123492: Remove unnecessary :func: parentheses (#123493) 2024-08-30 14:34:09 +03:00
Adam Turner
db6f5e1933
GH-109975: Copyedit 3.13 What's New: Release Highlights (#122958) 
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
 2024-08-13 15:30:59 +01:00
Wim Jeantine-Glenn
c25898d51e
Doc: cmdline.rst: Include -P and -R in usage (#122590) 
* ``-P``: safe path (https://docs.python.org/3/using/cmdline.html#cmdoption-P)
* ``-R``: hash randomization (https://docs.python.org/3/using/cmdline.html#cmdoption-R)
 2024-08-07 16:01:44 +01:00
Łukasz Langa
dc93d1125f
gh-121957: Emit audit events for python -i and python -m asyncio (GH-121958) 
Relatedly, emit the `cpython.run_startup` event from the Python version of
`PYTHONSTARTUP` handling.
 2024-07-22 13:04:08 +02:00
Wim Jeantine-Glenn
0a1e8ff9c1
gh-121101: Document -Wall option (an alias for -Walways) (#121102) 2024-06-29 12:10:13 +05:30
Brett Simmers
9fa206aaec
Docs: Add central references to free-threading-related options (#119017) 2024-05-21 17:49:23 -04:00
Melanie Arbor
172690227e
gh-102136: Add -m to options that work with -i (GH-119271) 
* GH-102136: Add -m to options that work with -i

* Linting
 2024-05-20 19:38:33 -04:00
Hugo van Kemenade
04859228aa
gh-118518: Rename PYTHONPERFJITSUPPORT and -X perfjit with underscores (#118693) 2024-05-07 11:47:21 +00:00
Pablo Galindo Salgado
f27f8c790a
gh-111201: A new Python REPL (GH-111567) 
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Marta Gómez Macías <mgmacias@google.com>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
 2024-05-05 21:32:23 +02:00
Pablo Galindo Salgado
1b22d801b8
gh-118518: Allow perf to work without frame pointers (#112254) 2024-05-05 03:07:29 +02:00
Hugo van Kemenade
164e2c31c0
gh-117225: Document colour use in doctest (#118268) 2024-05-01 12:25:11 -06:00
Serhiy Storchaka
10f1a2687a
gh-115664: Reorganize versionadded directives for -X options (GH-116304) 
Add the versionadded directives just under the description of the
corresponding option.
 2024-04-15 18:01:17 +03:00
Serhiy Storchaka
33662d4e01
gh-90300: Fix cmdline.rst (GH-116721) 
* Fix the description of the "-b" option.
* Add references to environment variables for "-s" and "-X dev" options.
 2024-03-13 15:03:13 +02:00
Brett Simmers
2731913dd5
gh-116167: Allow disabling the GIL with PYTHON_GIL=0 or -X gil=0 (#116338) 
In free-threaded builds, running with `PYTHON_GIL=0` will now disable the
GIL. Follow-up issues track work to re-enable the GIL when loading an
incompatible extension, and to disable the GIL by default.

In order to support re-enabling the GIL at runtime, all GIL-related data
structures are initialized as usual, and disabling the GIL simply sets a flag
that causes `take_gil()` and `drop_gil()` to return early.
 2024-03-11 11:02:58 -04:00
Serhiy Storchaka
808a77612f
gh-115664: Fix ordering of more versionadded and versionchanged directives (GH-116298) 2024-03-07 10:05:03 +02:00
Ned Batchelder
30b7b4f73c
Docs: 'still' is a better word than 'nonetheless' (#114598) 2024-01-26 13:42:49 +00:00
Serhiy Storchaka
a8629816c6
gh-113664: Improve style of Big O notation (GH-113695) 
Use cursive to make it looking like mathematic formulas.
 2024-01-10 15:01:18 +02:00
Zackery Spytz
f19b93fce0
gh-73965: New environment variable PYTHON_HISTORY (#13208) 
It can be used to set the location of a .python_history file

---------

Co-authored-by: Levi Sabah <0xl3vi@gmail.com>
Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
 2024-01-06 22:30:12 -08:00
Hugo van Kemenade
12f0bbd6e0
gh-112730: Update docs for colour env vars (#112837) 2023-12-14 13:36:48 +02:00
Serhiy Storchaka
fe9991bb67
gh-112999: Replace the outdated "deprecated" directives with "versionchanged" (GH-113000) 2023-12-12 18:31:04 +02:00
Pablo Galindo Salgado
16448cab44
gh-112730: Use color to highlight error locations (gh-112732) 
Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
 2023-12-06 23:29:54 +01:00
Yilei Yang
45a36d5f56
gh-111374: Add a new PYTHON_FROZEN_MODULES env var, equivalent of -X frozen_modules. (#111411) 
Adds a new PYTHON_FROZEN_MODULES env var to correspond with -X frozen_modules.

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
 2023-11-01 20:39:31 +00:00
Dino Viehland
05f2f0ac92
gh-90815: Add mimalloc memory allocator (#109914) 
* Add mimalloc v2.12

Modified src/alloc.c to remove include of alloc-override.c and not
compile new handler.

Did not include the following files:

 - include/mimalloc-new-delete.h
 - include/mimalloc-override.h
 - src/alloc-override-osx.c
 - src/alloc-override.c
 - src/static.c
 - src/region.c

mimalloc is thread safe and shares a single heap across all runtimes,
therefore finalization and getting global allocated blocks across all
runtimes is different.

* mimalloc: minimal changes for use in Python:

 - remove debug spam for freeing large allocations
 - use same bytes (0xDD) for freed allocations in CPython and mimalloc
   This is important for the test_capi debug memory tests

* Don't export mimalloc symbol in libpython.
* Enable mimalloc as Python allocator option.
* Add mimalloc MIT license.
* Log mimalloc in Lib/test/pythoninfo.py.
* Document new mimalloc support.
* Use macro defs for exports as done in:
  https://github.com/python/cpython/pull/31164/

Co-authored-by: Sam Gross <colesbury@gmail.com>
Co-authored-by: Christian Heimes <christian@python.org>
Co-authored-by: Victor Stinner <vstinner@python.org>
 2023-10-30 15:43:11 +00:00
Łukasz Langa
84b7e9e3fa
gh-110722: Add PYTHON_PRESITE to import a module before site.py is run (#110769) 2023-10-14 23:32:57 +02:00
Nikita Sobolev
45cfabb842
gh-101100: Fix sphinx warnings in usage/cmdline.rst (#110841) 2023-10-14 08:05:46 +02:00
Donghee Na
0362cbf908
gh-109595: Add -Xcpu_count=<n> cmdline for container users (#109667) 
---------

Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Gregory P. Smith [Google LLC] <greg@krypto.org>
 2023-10-10 19:00:09 +09:00
Adam Turner
77e9aae383
Docs: Avoid the deprecated `.. cmdoption::` directive (#110292) 2023-10-03 17:38:12 +00:00
Adam Turner
f16e81f368
GH-92584: Move installation schemes overview to sysconfig docs (#108018) 
* Add new installation path functions subsection

* Add content from install/index to sysconfig

* Fix table

* Update note about installers

* Clean up the list of schemes, remove references to Distutils
 2023-10-02 12:40:03 +02:00
Adam Turner
fbb7cbc0e9
GH-92584: Remove Installing Python Modules (Distutils version) (#108020) 2023-08-16 21:06:56 +00:00
Adam Turner
636ca313b2
GH-92584: Remove references to Distutils in `PYTHONUSERBASE` (#108040) 
Remove references to Distutils in ``PYTHONUSERBASE``
 2023-08-16 22:43:30 +02:00
Serhiy Storchaka
fcc816dbff
gh-106919: Use role :c:macro: for referencing the C "constants" (GH-106920) 2023-07-21 10:52:07 +03:00
Terry Jan Reedy
04dfc6fa90
gh-106232: Make timeit doc command lines compatible with Windows. (#106296) 
Command Prompt (CMD Shell) and older versions of PowerShell
require double quotes and single quotes inside the string.
This form also works on linux and macOS.
 2023-06-30 22:34:31 -04:00