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* [3.9] bpo-46032: Check types in singledispatch's register() at declaration ↵Miss Islington (bot)2021-12-261-3/+14
| | | | | | | | | | | | | | time (GH-30050) (GH-30254) (GH-30255) 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]). (cherry picked from commit 078abb676cf759b1e960f78390b6e80f256f0255) (cherry picked from commit 03c7449fbc7c57f5e0365f234a0b65c1dde763f2) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.9] bpo-45678: Fix `singledispatchmethod` `classmethod`/`staticmethod` bug ↵Alex Waygood2021-11-041-1/+8
| | | | | | | | | | | (GH-29394) This PR fixes a bug in the 3.9 branch where ``functools.singledispatchmethod`` did not properly wrap attributes such as ``__name__``, ``__doc__`` and ``__module__`` of the target method. It also backports tests already merged into the 3.11 and 3.10 branches in #29328 and #29390. Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* [3.9] bpo-39679: Fix `singledispatchmethod` `classmethod`/`staticmethod` bug ↵Alex Waygood2021-10-281-0/+6
| | | | | | | | | | | | | (GH-29087) This commit fixes a bug in the 3.9 branch where stacking `@functools.singledispatchmethod` on top of `@classmethod` or `@staticmethod` caused an exception to be raised if the method was registered using type-annotations rather than `@method.register(int)`. Tests for this scenario were added to the 3.11 and 3.10 branches in #29034 and #29072; this commit also backports those tests to the 3.9 branch. Co-authored-by: Yurii Karabas <1998uriyyo@gmail.com> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-44605: Teach @total_ordering() to work with metaclasses (GH-27633) ↵Miss Islington (bot)2021-08-061-12/+12
| | | | (GH-27641)
* [3.9] Update URLs in comments and metadata to use HTTPS (GH-27458) (GH-27480)Łukasz Langa2021-07-301-2/+2
| | | | | (cherry picked from commit be42c06bb01206209430f3ac08b72643dc7cad1c) Co-authored-by: Noah Kantrowitz <noah@coderanger.net>
* bpo-17005: Move topological sort functionality to its own module (GH-20558)Miss Islington (bot)2020-06-011-245/+0
| | | | | | | | | 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. (cherry picked from commit 2f172d8f1525defe9bba4d49e967fdfc69151731) Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* bpo-40571: Make lru_cache(maxsize=None) more discoverable (GH-20019)Raymond Hettinger2020-05-121-1/+10
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* bpo-39481: Make functools.cached_property, partial, partialmethod generic ↵Ethan Smith2020-04-141-0/+6
| | | | (#19427)
* Updates functools.py with consistent quotes (GH-18825)Nikita Sobolev2020-03-111-1/+1
| | | | | | 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.
* bpo-35712: Make using NotImplemented in a boolean context issue a ↵MojoVampire2020-03-031-0/+4
| | | | deprecation warning (GH-13195)
* bpo-39815: add cached_property to all (GH-18726)Hakan Çelik2020-03-011-1/+2
| | | Automerge-Triggered-By: @pablogsal
* bpo-17005: Add a class to perform topological sorting to the standard ↵Pablo Galindo2020-01-231-2/+247
| | | | | library (GH-11583) Co-Authored-By: Tim Peters <tim.peters@gmail.com>
* bpo-38565: add new cache_parameters method for lru_cache (GH-16916)Manjusaka2019-11-121-0/+2
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* Doc: Fix Wikipedia link for functools.lru_cache (GH-16183)amist2019-09-161-1/+1
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* bpo-36743: __get__ is sometimes called without the owner argument (#12992)Raymond Hettinger2019-08-291-3/+3
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* [3.9] bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-12620)Serhiy Storchaka2019-06-051-18/+1
| | | Turn deprecation warnings added in 3.8 into TypeError.
* bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-13700)Serhiy Storchaka2019-06-011-13/+3
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* bpo-36772 Allow lru_cache to be used as decorator without making a function ↵Raymond Hettinger2019-05-261-4/+8
| | | | call (GH-13048)
* bpo-35252: Remove FIXME from test_functools (GH-10551)Lysandros Nikolaou2019-05-191-3/+5
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* bpo-36542: Allow to overwrite the signature for Python functions. (GH-12705)Serhiy Storchaka2019-05-061-0/+1
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* bpo-36492: Deprecate passing some arguments as keyword arguments. (GH-12637)Serhiy Storchaka2019-04-011-1/+17
| | | | | | | | | | | | | | | | | | | | | | Deprecated passing the following arguments as keyword arguments: - "func" in functools.partialmethod(), weakref.finalize(), profile.Profile.runcall(), cProfile.Profile.runcall(), bdb.Bdb.runcall(), trace.Trace.runfunc() and curses.wrapper(). - "function" in unittest.addModuleCleanup() and unittest.TestCase.addCleanup(). - "fn" in the submit() method of concurrent.futures.ThreadPoolExecutor and concurrent.futures.ProcessPoolExecutor. - "callback" in contextlib.ExitStack.callback(), contextlib.AsyncExitStack.callback() and contextlib.AsyncExitStack.push_async_callback(). - "c" and "typeid" in the create() method of multiprocessing.managers.Server and multiprocessing.managers.SharedMemoryServer. - "obj" in weakref.finalize(). Also allowed to pass arbitrary keyword arguments (even "self" and "func") if the above arguments are passed as positional argument.
* bpo-36431: Use PEP 448 dict unpacking for merging two dicts. (GH-12553)Serhiy Storchaka2019-03-271-14/+7
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* Consistently move the misses update to just before the user function call ↵Raymond Hettinger2019-01-311-3/+3
| | | | (GH-11715)
* bpo-35780: Fix errors in lru_cache() C code (GH-11623)Raymond Hettinger2019-01-261-4/+7
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* bpo-34890: Make iscoroutinefunction, isgeneratorfunction and ↵Pablo Galindo2018-10-261-0/+6
| | | | | | | | | | | isasyncgenfunction work with functools.partial (GH-9903) inspect.isfunction() processes both inspect.isfunction(func) and inspect.isfunction(partial(func, arg)) correctly but some other functions in the inspect module (iscoroutinefunction, isgeneratorfunction and isasyncgenfunction) lack this functionality. This commits adds a new check in the mentioned functions in the inspect module so they can work correctly with arbitrarily nested partial functions.
* bpo-32321: Add pure Python fallback for functools.reduce (GH-8548)madman-bob2018-10-251-4/+39
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* bpo-21145: Add cached_property decorator in functools (#6982)Carl Meyer2018-08-281-0/+55
| | | | | | Robust caching of calculated properties is harder than it looks at first glance, so add a solid, well-tested implementation to the standard library.
* bpo-33967: Fix singledispatch raised IndexError when no args (GH-8184)Dong-hee Na2018-07-101-0/+5
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* bpo-32380: Create functools.singledispatchmethod (#6306)Ethan Smith2018-05-261-1/+38
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* bpo-32227: functools.singledispatch supports registering via type ↵Łukasz Langa2017-12-111-1/+17
| | | | annotations (#4733)
* bpo-31581: Reduce the number of imports for functools (GH-3757)INADA Naoki2017-09-301-5/+8
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* bpo-31370: Remove support for threads-less builds (#3385)Antoine Pitrou2017-09-071-7/+1
| | | | | | * Remove Setup.config * Always define WITH_THREAD for compatibility.
* Conceptually, roots is a set. Also searching it as a set is a tiny bit ↵Raymond Hettinger2017-09-051-1/+1
| | | | faster (#3338)
* Add comment to explain the implications of not sorting keywords (#3331)Raymond Hettinger2017-09-051-0/+4
| | | In Python 3.6, sorted() was removed from _make_key() for the lru_cache and instead rely on guaranteed keyword argument order preservation. This makes keyword argument handling faster but it also causes multiple callers with a different keyword argument order to be cached as separate items. Depending on your point of view, this is either a performance regression (increased number of cache misses) or a performance enhancement (faster computation of keys).
* mergeRaymond Hettinger2017-01-091-4/+3
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| * Issue #29203: functools.lru_cache() now respects PEP 468Raymond Hettinger2017-01-091-4/+3
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* | Issue #28991: Address comment that the __len__ call looked unattractiveRaymond Hettinger2016-12-161-3/+4
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* mergeRaymond Hettinger2016-12-161-2/+4
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| * Issue #28991: Fix obscure reentrancy bug in functools.lru_cache().Raymond Hettinger2016-12-161-2/+4
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* | Issue #27137: align Python & C implementations of functools.partialNick Coghlan2016-09-101-17/+75
|/ | | | | | | | The pure Python fallback implementation of functools.partial now matches the behaviour of its accelerated C counterpart for subclassing, pickling and text representation purposes. Patch by Emanuel Barry and Serhiy Storchaka.
* Removed redundant call of update_wrapper().Serhiy Storchaka2015-10-241-1/+1
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* Issue #23572: Fixed functools.singledispatch on classes with falsy metaclasses.Yury Selivanov2015-08-181-1/+1
| | | | Patch by Ethan Furman.
* Backed out changeset: b0a0b9b59012Serhiy Storchaka2015-05-241-99/+108
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* Backed out changeset 57776eee74f2Larry Hastings2015-05-231-108/+99
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* Issue #14373: Added C implementation of functools.lru_cache(). Based onSerhiy Storchaka2015-05-231-99/+108
| | | | patches by Matt Joiner and Alexey Kachayev.
* Issue #16261: Converted some bare except statements to except statementsSerhiy Storchaka2015-05-201-1/+1
| | | | with specified exception type. Original patch by Ramchandra Apte.
* Reduce the overhead in functools.total_ordering by localizing NotImplemented.Raymond Hettinger2015-05-131-12/+12
| | | | (Sugguested by Serhiy Storchaka)
* Issue #7830: Flatten nested functools.partial.Alexander Belopolsky2015-03-011-0/+8
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* Issue #23326: Removed __ne__ implementations. Since fixing default __ne__Serhiy Storchaka2015-01-311-2/+0
| | | | implementation in issue #21408 they are redundant.
* No need to rebuild a constant dictionary on every call. Move convert ↵Raymond Hettinger2015-01-141-16/+17
| | | | mapping to module level.
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