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191 Commits

Author SHA1 Message Date
Raymond Hettinger
6fcac09401 Improve readability by adding whitespace between code paragraphs (gh-138090) 
Improve readability by adding whitespace between code paragraphs.
 2025-08-23 15:18:46 +00:00
dgpb
afed5f8835 gh-125028: Prohibit placeholders in partial keywords (GH-126062) 2025-05-08 10:53:53 +03:00
Lukas Geiger
0147be09d5 gh-131525: Remove _HashedSeq wrapper from lru_cache (gh-131922) 2025-03-31 08:23:41 -05:00
Serhiy Storchaka
f33d21e24f gh-127750: Improve repr of functools.singledispatchmethod (GH-130220) 2025-03-05 13:10:05 +02:00
Jelle Zijlstra
dc6d66f44c gh-105499: Merge typing.Union and types.UnionType (#105511) 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Ken Jin <kenjin@python.org>
Co-authored-by: Carl Meyer <carl@oddbird.net>
 2025-03-04 11:44:19 -08:00
Serhiy Storchaka
10b32054ad gh-127750: Restore inspect and pydoc support of singledispatchmethod (GH-130309) 
The code is still flawed, because it does not recognize class and static
methods, and the first argument is not removed from the signature of
bound methods, but at least it does not worse than in 3.13 and older.
 2025-02-20 11:08:49 +02:00
Serhiy Storchaka
395335d0ff gh-127750: Fix and optimize functools.singledispatchmethod() (GH-130008) 
Remove broken singledispatchmethod caching introduced in gh-85160.
Achieve the same performance using different optimization.

* Add more tests.

* Fix issues with __module__ and __doc__ descriptors.
 2025-02-17 11:11:20 +02:00
Kirill Podoprigora
d903b17499 gh-121676: Raise a `DeprecationWarning if the Python implementation of functools.reduce is called with function or sequence` as a keyword args (#121677) 
Python implementation of `functools` allows calling `reduce`
with `function` or `sequence` as keyword args. This doesn't
match behavior of our C accelerator and our documentation
for `functools.reduce` states that `function`and `sequence`
are positional-only arguments.

Now calling a Python implementation of `functools.reduce`
with `function` or `sequence` as keyword args would raise
a `DeprecationWarning` and is planned to be prohibited in
Python 3.16.


Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
 2025-01-01 13:36:47 +02:00
CF Bolz-Tereick
401bba6b58 gh-127537: Add __class_getitem__ to the python implementation of functools.partial (#127537) 2024-12-26 17:03:47 -08:00
Hugo van Kemenade
91f4908798 gh-126133: Only use start year in PSF copyright, remove end years (#126236) 2024-11-12 15:59:19 +02:00
Sayandip Dutta
abb90ba46c gh-125916: Allow functools.reduce() 'initial' to be a keyword argument (#125917) 2024-11-12 13:11:58 +00:00
Sergey B Kirpichev
9b14083497 Align functools.reduce() docstring with PEP-257 (#126045) 
Yak-shave in preparation for Argument Clinic adaption in gh-125999.
 2024-10-29 08:08:08 +00:00
Jelle Zijlstra
95581b3551 functools: Give up on lazy-importing types (#124736) 
PR #121089 added an eager import for types.MethodType, but
still left the existing hacks for lazily importing from types.

We could also create MethodType internally in functools.py (e.g.,
by using `type(Placeholder.__repr__)`, but it feels not worth it at
this point, so instead I unlazified all the usages of types in the
module.
 2024-09-29 06:31:06 -07:00
dgpb
d9296529eb gh-119127: functools.partial placeholders (gh-119827) 2024-09-26 01:04:38 +00:00
Jelle Zijlstra
7b7b90d1ce gh-119180: Add annotationlib module to support PEP 649 (#119891) 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2024-07-23 21:16:50 +00:00
Serhiy Storchaka
ff5806c78e gh-121027: Make the functools.partial object a method descriptor (GH-121089) 
Co-authored-by: d.grigonis <dgrigonis@users.noreply.github.com>
 2024-07-03 09:02:15 +03:00
Serhiy Storchaka
db96edd6d1 gh-121027: Add a future warning in functools.partial.__get__ (#121086) 2024-06-27 11:47:20 +00:00
Bénédikt Tran
d2646e3f45 gh-121025: Improve partialmethod.__repr__ (GH-121033) 
It no longer contains redundant commas and spaces.
 2024-06-26 12:08:27 +03:00
CF Bolz-Tereick
5a0209fc23 GH-100242: bring functools.py partial implementation more in line with C code (GH-100244) 
in partial.__new__, before checking for the existence of the attribute
'func', first check whether the argument is an instance of partial.
 2024-04-17 15:34:46 +02:00
Hugo van Kemenade
7d0be7aea5 Add 'The Python 2.3 Method Resolution Order' (#116435) 2024-04-15 13:01:15 +03:00
Furkan Onder
8f5be78bce gh-72249: Include the module name in the repr of partial object (GH-101910) 
Co-authored-by: Anilyka Barry <vgr255@live.ca>
 2024-02-25 22:55:19 +02:00
Ammar Askar
8b776e0f41 gh-85294: Handle missing arguments to @singledispatchmethod gracefully (GH-21471) 
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
 2024-02-16 23:17:30 +02:00
Martijn Pieters
edb59d5718 bpo-38364: unwrap partialmethods just like we unwrap partials (#16600) 
* bpo-38364: unwrap partialmethods just like we unwrap partials

The inspect.isgeneratorfunction, inspect.iscoroutinefunction and inspect.isasyncgenfunction already unwrap functools.partial objects, this patch adds support for partialmethod objects as well.

Also: Rename _partialmethod to __partialmethod__.
Since we're checking this attribute on arbitrary function-like objects,
we should use the namespace reserved for core Python.

---------

Co-authored-by: Petr Viktorin <encukou@gmail.com>
 2024-02-15 12:08:45 +01:00
Alex Waygood
40d1de7581 gh-109653: Avoid a top-level import of types in functools (#109804) 2023-09-24 17:18:27 +01:00
Xuehai Pan
74f315edd0 gh-102757: fix function signature mismatch for functools.reduce between code and documentation (#102759) 2023-09-18 10:42:58 -06:00
Tyler Smart
9bb576cb07 gh-107995: Fix doctest collection of functools.cached_property objects (#107996) 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2023-08-18 15:44:38 +00:00
Alex Waygood
2ac103c346 gh-85160: Reduce memory usage of singledispatchmethod (#107706) 
A small followup to #107148

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
 2023-08-07 13:46:36 +01:00
Pieter Eendebak
3e334ae259 gh-85160: improve performance of functools.singledispatchmethod (#107148) 
Co-authored-by: mental <m3nta1@yahoo.com>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2023-08-06 13:37:12 +01:00
Carl Meyer
838406b4fc gh-106292: restore checking __dict__ in cached_property.__get__ (#106380) 
* gh-106292: restore checking __dict__ in cached_property.__get__

Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>
 2023-07-05 17:01:35 -06:00
Bar Harel
f332594dd4 gh-105172: Fixed functools.lru_cache typed argument docstring. (GH-105173) 2023-05-31 17:56:06 -05:00
Jelle Zijlstra
3fadd7d585 gh-104600: Make function.__type_params__ writable (#104601) 2023-05-18 16:45:37 -07:00
Carl Meyer
056dfc71dc gh-87634: remove locking from functools.cached_property (GH-101890) 
Remove the undocumented locking capabilities of functools.cached_property.
 2023-02-22 17:49:22 -08:00
Serhiy Storchaka
f9433fff47 gh-89828: Do not relay the __class__ attribute in GenericAlias (#93754) 
list[int].__class__ returned type, and isinstance(list[int], type)
returned True. It caused numerous problems in code that checks
isinstance(x, type).
 2022-06-18 11:34:57 +03:00
Raymond Hettinger
7ad52d174a This localization technique is no longer cost effective. (GH-30818) 2022-01-22 20:52:55 -06:00
Serhiy Storchaka
078abb676c bpo-46032: Check types in singledispatch's register() at declaration time (GH-30050) 
The registry() method of functools.singledispatch() functions checks now
the first argument or the first parameter annotation and raises a TypeError if it is
not supported. Previously unsupported "types" were ignored (e.g. typing.List[int])
or caused an error at calling time (e.g. list[int]).
 2021-12-25 14:16:14 +02:00
Yurii Karabas
3cb357a2e6 bpo-46014: Add ability to use typing.Union with singledispatch (GH-30017) 2021-12-11 00:27:55 +01:00
Raymond Hettinger
1f7d64608b bpo-44605: Teach @total_ordering() to work with metaclasses (GH-27633) 2021-08-06 14:33:30 -05:00
Noah Kantrowitz
be42c06bb0 Update URLs in comments and metadata to use HTTPS (GH-27458) 2021-07-30 15:54:46 +02:00
Zackery Spytz
cd3c2bdd5d bpo-31082: Use "iterable" in the docstring for functools.reduce() (GH-20796) 2020-06-28 15:40:54 +09:00
Pablo Galindo
2f172d8f15 bpo-17005: Move topological sort functionality to its own module (GH-20558) 
The topological sort functionality that was introduced initially in the
functools module has been moved to a new graphlib module to
better accommodate the new tools and keep the original scope of the
functools module.
 2020-06-01 00:41:14 +01:00
Raymond Hettinger
21cdb711e3 bpo-40571: Make lru_cache(maxsize=None) more discoverable (GH-20019) 2020-05-11 17:00:53 -07:00
Ethan Smith
cecf049673 bpo-39481: Make functools.cached_property, partial, partialmethod generic (#19427) 2020-04-13 21:53:04 -07:00
Nikita Sobolev
bd87a7fda0 Updates functools.py with consistent quotes (GH-18825) 
I have noticed that `'` quotes are used everywhere except this particular case,
which was introduced in https://github.com/python/cpython/pull/18726

So, this is a trivial fix to enforce better consistency.
 2020-03-10 17:32:15 -07:00
MojoVampire
469325c30e bpo-35712: Make using NotImplemented in a boolean context issue a deprecation warning (GH-13195) 2020-03-03 20:50:17 +02:00
Hakan Çelik
217dce9ee6 bpo-39815: add cached_property to all (GH-18726) 
Automerge-Triggered-By: @pablogsal
 2020-03-01 13:01:34 -08:00
Pablo Galindo
99e6c260d6 bpo-17005: Add a class to perform topological sorting to the standard library (GH-11583) 
Co-Authored-By: Tim Peters <tim.peters@gmail.com>
 2020-01-23 15:29:52 +00:00
Manjusaka
051ff526b5 bpo-38565: add new cache_parameters method for lru_cache (GH-16916) 2019-11-11 23:30:18 -08:00
amist
336b3064d8 Doc: Fix Wikipedia link for functools.lru_cache (GH-16183) 2019-09-16 20:36:14 +02:00
Raymond Hettinger
0dac68f1e5 bpo-36743: __get__ is sometimes called without the owner argument (#12992) 2019-08-29 01:27:42 -07:00
Serhiy Storchaka
142566c028 [3.9] bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-12620) 
Turn deprecation warnings added in 3.8 into TypeError.
 2019-06-05 18:22:31 +03:00