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* gh-87864: Use correct function definition syntax in the docs (#103312)Nikita Sobolev2023-04-111-1/+1
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* bpo-43827: Make arguments to abc.ABCMeta.__new__ pos-only (#25385)Vlad Hoi2022-05-051-1/+1
| | | To avoid conflicts with `__init__subclass__`.
* Clarify the order of a stacked `abstractmethod` (GH-26892)Ram Rachum2021-06-271-3/+24
| | | Co-authored-by: Tal Einat <532281+taleinat@users.noreply.github.com>
* bpo-41905: Add abc.update_abstractmethods() (GH-22485)Ben Avrahami2020-10-061-0/+38
| | | | This function recomputes `cls.__abstractmethods__`. Also update `@dataclass` to use it.
* bpo-35609: Remove examples for deprecated decorators in the abc module. ↵Serhiy Storchaka2018-12-311-46/+5
| | | | (GH-11355)
* bpo-31333: Re-implement ABCMeta in C (#5273)Ivan Levkivskyi2018-02-181-142/+62
| | | | This adds C versions of methods used by ABCMeta that improve performance of various ABC operations.
* bpo-32473: Improve ABCMeta._dump_registry() readability (GH-5091)yahya-abou-imran2018-01-121-1/+3
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* bpo-30463: Add an empty __slots__ to abc.ABC.Aaron Hall, MBA2017-06-061-1/+1
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* bpo-29581: Make ABCMeta.__new__ pass **kwargs to type.__new__ (#527)Nate2017-03-151-2/+2
| | | | | | | | | | | | | Many metaclasses in the standard library don't play nice with __init_subclass__. This bug makes ABCMeta in particular with __init_subclass__, which is an 80/20 solution for me personally. AFAICT, a general solution to this problem requires updating all metaclasses in the standard library to make sure they pass **kwargs to type.__new__, whereas this PR only fixes ABCMeta. For context, see https://bugs.python.org/issue29581. * added a test combining ABCMeta and __init_subclass__ * Added NEWS item
* Issue #22032: __qualname__ instead of __name__ is now always used to formatSerhiy Storchaka2014-07-221-1/+1
| | | | fully qualified class names of Python implemented classes.
* #16832: s/integer/object/ in docs/docstring, and add whatsnew entry.R David Murray2013-12-241-3/+3
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* Fix #16832 - expose cache validity checking support in ABCMetaŁukasz Langa2013-05-251-0/+14
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* Issue #16049: add abc.ABC helper class.Andrew Svetlov2012-12-131-0/+6
| | | | Patch by Bruno Dupuis.
* improve abstract property support (closes #11610)Benjamin Peterson2011-12-151-3/+16
| | | | Thanks to Darren Dale for patch.
* Allow usage of SomeABC.register as a class decorator. Patch by Edoardo ↵Éric Araujo2011-02-241-2/+6
| | | | Spadolini (#10868).
* add support for abstract class and static methods #5867Benjamin Peterson2010-08-171-0/+40
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* Merged revisions 77789 via svnmerge fromBenjamin Peterson2010-01-271-1/+1
| | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r77789 | benjamin.peterson | 2010-01-26 20:16:42 -0600 (Tue, 26 Jan 2010) | 1 line raise a clear TypeError when trying to register a non-class ........
* Merged revisions 72278 via svnmerge fromWalter Dörwald2009-05-041-2/+2
| | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r72278 | walter.doerwald | 2009-05-04 18:03:03 +0200 (Mo, 04 Mai 2009) | 2 lines Fix typos. ........
* Merged revisions 66144 via svnmerge fromNick Coghlan2008-09-021-2/+2
| | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r66144 | nick.coghlan | 2008-09-02 20:14:47 +1000 (Tue, 02 Sep 2008) | 1 line Issue 3747: Fix caching in ABCMeta.__subclasscheck__ (R: Georg Brandl) ........
* Merged revisions ↵Christian Heimes2008-02-281-46/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61098 | jeffrey.yasskin | 2008-02-28 05:45:36 +0100 (Thu, 28 Feb 2008) | 7 lines Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT, which forbids constructing types that have it set. The effect is to speed ./python.exe -m timeit -s 'import abc' -s 'class Foo(object): __metaclass__ = abc.ABCMeta' 'Foo()' up from 2.5us to 0.201us. This fixes issue 1762. ........ r61099 | jeffrey.yasskin | 2008-02-28 06:53:18 +0100 (Thu, 28 Feb 2008) | 3 lines Speed test_socketserver up from 28.739s to 0.226s, simplify the logic, and make sure all tests run even if some fail. ........ r61100 | jeffrey.yasskin | 2008-02-28 07:09:19 +0100 (Thu, 28 Feb 2008) | 21 lines Thread.start() used sleep(0.000001) to make sure it didn't return before the new thread had started. At least on my MacBook Pro, that wound up sleeping for a full 10ms (probably 1 jiffy). By using an Event instead, we can be absolutely certain that the thread has started, and return more quickly (217us). Before: $ ./python.exe -m timeit -s 'from threading import Thread' 't = Thread(); t.start(); t.join()' 100 loops, best of 3: 10.3 msec per loop $ ./python.exe -m timeit -s 'from threading import Thread; t = Thread()' 't.isAlive()' 1000000 loops, best of 3: 0.47 usec per loop After: $ ./python.exe -m timeit -s 'from threading import Thread' 't = Thread(); t.start(); t.join()' 1000 loops, best of 3: 217 usec per loop $ ./python.exe -m timeit -s 'from threading import Thread; t = Thread()' 't.isAlive()' 1000000 loops, best of 3: 0.86 usec per loop To be fair, the 10ms isn't CPU time, and other threads including the spawned one get to run during it. There are also some slightly more complicated ways to get back the .4us in isAlive() if we want. ........ r61101 | raymond.hettinger | 2008-02-28 10:23:48 +0100 (Thu, 28 Feb 2008) | 1 line Add repeat keyword argument to itertools.product(). ........ r61102 | christian.heimes | 2008-02-28 12:18:49 +0100 (Thu, 28 Feb 2008) | 1 line The empty tuple is usually a singleton with a much higher refcnt than 1 ........
* Merged revisions ↵Christian Heimes2008-02-141-2/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60766,60769-60786 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r60752 | mark.dickinson | 2008-02-12 22:31:59 +0100 (Tue, 12 Feb 2008) | 5 lines Implementation of Fraction.limit_denominator. Remove Fraction.to_continued_fraction and Fraction.from_continued_fraction ........ r60754 | mark.dickinson | 2008-02-12 22:40:53 +0100 (Tue, 12 Feb 2008) | 3 lines Revert change in r60712: turn alternate constructors back into classmethods instead of staticmethods. ........ r60755 | mark.dickinson | 2008-02-12 22:46:54 +0100 (Tue, 12 Feb 2008) | 4 lines Replace R=fractions.Fraction with F=fractions.Fraction in test_fractions.py. This should have been part of the name change from Rational to Fraction. ........ r60758 | georg.brandl | 2008-02-13 08:20:22 +0100 (Wed, 13 Feb 2008) | 3 lines #2063: correct order of utime and stime in os.times() result on Windows. ........ r60762 | jeffrey.yasskin | 2008-02-13 18:58:04 +0100 (Wed, 13 Feb 2008) | 7 lines Working on issue #1762: Brought ./python.exe -m timeit -s 'from fractions import Fraction; f = Fraction(3, 2)' 'isinstance(3, Fraction); isinstance(f, Fraction)' from 12.3 usec/loop to 3.44 usec/loop and ./python.exe -m timeit -s 'from fractions import Fraction' 'Fraction(3, 2)' from 48.8 usec to 23.6 usec by avoiding genexps and sets in __instancecheck__ and inlining the common case from __subclasscheck__. ........ r60765 | brett.cannon | 2008-02-13 20:15:44 +0100 (Wed, 13 Feb 2008) | 5 lines Fix --enable-universalsdk and its comment line so that zsh's flag completion works. Thanks to Jeroen Ruigrok van der Werven for the fix. ........ r60771 | kurt.kaiser | 2008-02-14 01:08:55 +0100 (Thu, 14 Feb 2008) | 2 lines Bring NEWS.txt up to date from check-in msgs. ........ r60772 | raymond.hettinger | 2008-02-14 02:08:02 +0100 (Thu, 14 Feb 2008) | 3 lines Update notes on Decimal. ........ r60773 | raymond.hettinger | 2008-02-14 03:41:22 +0100 (Thu, 14 Feb 2008) | 1 line Fix decimal repr which should have used single quotes like other reprs. ........ r60785 | jeffrey.yasskin | 2008-02-14 07:12:24 +0100 (Thu, 14 Feb 2008) | 11 lines Performance optimizations on Fraction's constructor. ./python.exe -m timeit -s 'from fractions import Fraction' 'Fraction(3)` 31.7 usec/loop -> 9.2 usec/loop ./python.exe -m timeit -s 'from fractions import Fraction' 'Fraction(3, 2)'` 27.7 usec/loop -> 9.32 usec/loop ./python.exe -m timeit -s 'from fractions import Fraction; f = Fraction(3, 2)' 'Fraction(f)' 31.9 usec/loop -> 14.3 usec/loop ........ r60786 | jeffrey.yasskin | 2008-02-14 08:49:25 +0100 (Thu, 14 Feb 2008) | 5 lines Change simple instances (in Fraction) of self.numerator and self.denominator to self._numerator and self._denominator. This speeds abs() up from 12.2us to 10.8us and trunc() from 2.07us to 1.11us. This doesn't change _add and friends because they're more complicated. ........
* Moved WeakSet into a bootstap module use by abc.py.Raymond Hettinger2008-02-051-1/+1
| | | | | This makes it possible to use ABCs in weakref.py (which will be done in a later checkin).
* Copied doc for reload() from trunk's function.rst to imp.rstChristian Heimes2008-01-071-1/+1
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* Backmerge -r59233:59232Christian Heimes2007-11-301-4/+1
| | | | | | | | Guido said: Please roll this back. The error message you added is inappropriate when the parameter to a legitimate register() call is omitted, e.g. collections.Sequence.register()
* Fix for bug #1109Christian Heimes2007-11-301-1/+4
| | | | Warning required when calling register() on an ABCMeta subclass.
* #1061 (mainly by Thomas Wouters): use weak sets for abc caches.Georg Brandl2007-10-231-4/+5
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* Thomas Wouters pointed out that _Abstract.__new__ should use super().__new__()Guido van Rossum2007-09-111-3/+1
| | | | instead of going straight to object.__new__().
* Rename __whatever variables defined by ABCMeta to _abc_whatever, so asGuido van Rossum2007-08-201-21/+21
| | | | to simplify legitimate use of these.
* Fix _dump_registry() to use the correct prefix for the privateGuido van Rossum2007-08-181-2/+2
| | | | | | methods. Reset the negative cache *before* resetting the invalidation counter, hoping this may plug a race condition (but then again, this whole module isn't coded to be thread-safe).
* Tests for @abstractproperty by Jeffrey Yasskin.Guido van Rossum2007-08-011-0/+2
| | | | | | (The previous changes to abc.py were also by him). Put back a comment about using super() for properties (I didn't realize this worked).
* Add @abstractproperty.Guido van Rossum2007-08-011-0/+25
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* Modernize the super() call in ABCMeta.__new__() -- I had messed withGuido van Rossum2007-06-141-1/+1
| | | | | it when I thought something was broken, and forgotten to restore it before checking in (maybe I did a svn revert which had the wrong effect?).
* Somehow this needed adding.Guido van Rossum2007-06-141-0/+179
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