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146 Commits

Author SHA1 Message Date
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
Serhiy Storchaka 2085bd0877
bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-13700) 2019-06-01 11:00:15 +03:00
Raymond Hettinger b821868e6d
bpo-36772 Allow lru_cache to be used as decorator without making a function call (GH-13048) 2019-05-26 11:27:35 -07:00
Lysandros Nikolaou d673810b9d bpo-35252: Remove FIXME from test_functools (GH-10551) 2019-05-19 15:11:20 -07:00
Serhiy Storchaka d53cf99dca
bpo-36542: Allow to overwrite the signature for Python functions. (GH-12705) 2019-05-06 22:40:27 +03:00
Serhiy Storchaka 42a139ed88
bpo-36492: Deprecate passing some arguments as keyword arguments. (GH-12637) 
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.
 2019-04-01 09:16:35 +03:00
Serhiy Storchaka da0847048a
bpo-36431: Use PEP 448 dict unpacking for merging two dicts. (GH-12553) 2019-03-27 08:02:28 +02:00
Raymond Hettinger ffdf1c30ab
Consistently move the misses update to just before the user function call (GH-11715) 2019-01-31 15:03:38 -08:00
Raymond Hettinger d8080c0119
bpo-35780: Fix errors in lru_cache() C code (GH-11623) 2019-01-26 03:02:00 -05:00
Pablo Galindo 7cd2543416
bpo-34890: Make iscoroutinefunction, isgeneratorfunction and 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.
 2018-10-26 12:19:14 +01:00
madman-bob e25d5fc18e bpo-32321: Add pure Python fallback for functools.reduce (GH-8548) 2018-10-25 16:02:10 +02:00
Carl Meyer d658deac60 bpo-21145: Add cached_property decorator in functools (#6982) 
Robust caching of calculated properties is
harder than it looks at first glance, so add
a solid, well-tested implementation to the
standard library.
 2018-08-28 17:11:56 +10:00
Dong-hee Na 445f1b35ce bpo-33967: Fix singledispatch raised IndexError when no args (GH-8184) 2018-07-10 16:26:36 +09:00
Ethan Smith c651275afe bpo-32380: Create functools.singledispatchmethod (#6306) 2018-05-26 13:38:33 -07:00
Łukasz Langa e56975351b
bpo-32227: functools.singledispatch supports registering via type annotations (#4733) 2017-12-11 13:56:31 -08:00
INADA Naoki 9811e80fd0 bpo-31581: Reduce the number of imports for functools (GH-3757) 2017-09-30 16:13:02 +09:00
Antoine Pitrou a6a4dc816d bpo-31370: Remove support for threads-less builds (#3385) 
* Remove Setup.config
* Always define WITH_THREAD for compatibility.
 2017-09-07 18:56:24 +02:00
Raymond Hettinger 15ce0bee97 Conceptually, roots is a set. Also searching it as a set is a tiny bit faster (#3338) 2017-09-05 09:40:44 -07:00
Raymond Hettinger 550370957c Add comment to explain the implications of not sorting keywords (#3331) 
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).
 2017-09-04 17:47:53 -07:00
Raymond Hettinger ac7c5acf9b merge 2017-01-08 17:29:21 -08:00
Raymond Hettinger 4ee39141e8 Issue #29203: functools.lru_cache() now respects PEP 468 2017-01-08 17:28:20 -08:00
Raymond Hettinger b2d4b3d415 Issue #28991: Address comment that the __len__ call looked unattractive 2016-12-16 14:59:37 -08:00
Raymond Hettinger c28dbd0452 merge 2016-12-16 13:59:32 -08:00
Raymond Hettinger af56e0e70f Issue #28991: Fix obscure reentrancy bug in functools.lru_cache(). 2016-12-16 13:57:40 -08:00
Nick Coghlan 457fc9a69e Issue #27137: align Python & C implementations of functools.partial 
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.
 2016-09-10 20:00:02 +10:00
Serhiy Storchaka ce2295def3 Removed redundant call of update_wrapper(). 2015-10-24 09:51:53 +03:00
Yury Selivanov 77a8cd65be Issue #23572: Fixed functools.singledispatch on classes with falsy metaclasses. 
Patch by Ethan Furman.
 2015-08-18 14:20:00 -04:00
Serhiy Storchaka 46c5611948 Backed out changeset: b0a0b9b59012 2015-05-24 21:53:49 +03:00
Larry Hastings 8252cc9832 Backed out changeset 57776eee74f2 2015-05-23 14:56:23 -07:00
Serhiy Storchaka 1c858c352b Issue #14373: Added C implementation of functools.lru_cache(). Based on 
patches by Matt Joiner and Alexey Kachayev.
 2015-05-23 22:42:49 +03:00
Serhiy Storchaka ba9ac5b5c4 Issue #16261: Converted some bare except statements to except statements 
with specified exception type.  Original patch by Ramchandra Apte.
 2015-05-20 10:33:40 +03:00
Raymond Hettinger ffcd8490d0 Reduce the overhead in functools.total_ordering by localizing NotImplemented. 
(Sugguested by Serhiy Storchaka)
 2015-05-12 21:26:37 -07:00
Alexander Belopolsky e49af34151 Issue #7830: Flatten nested functools.partial. 2015-03-01 15:08:17 -05:00
Serhiy Storchaka 08448a1f4d Issue #23326: Removed __ne__ implementations. Since fixing default __ne__ 
implementation in issue #21408 they are redundant.
 2015-01-31 12:05:05 +02:00
Raymond Hettinger 1a8ada89f9 No need to rebuild a constant dictionary on every call. Move convert mapping to module level. 2015-01-13 22:57:35 -08:00
Raymond Hettinger e5db863c22 Minor speed-up. Use local variable instead of a global lookup. 2015-01-06 22:16:10 -08:00
Raymond Hettinger 57a3786a62 merge 2015-01-05 22:00:08 -08:00
Raymond Hettinger 0603d3049e Issue #23132: Mitigate regression in speed and clarity in functools.total_ordering. 2015-01-05 21:52:10 -08:00
Serhiy Storchaka 697a526fa1 Issue #23132: Improve performance and introspection support of comparison 
methods created by functool.total_ordering.
 2015-01-01 15:23:12 +02:00
Raymond Hettinger 92c7b90148 merge 2014-08-12 12:45:28 -07:00
Raymond Hettinger 4d58897fdb Issue 22184: Early detection and reporting of missing lru_cache parameters 2014-08-12 12:44:52 -07:00
Serhiy Storchaka 521e5860a5 Issue #22032: __qualname__ instead of __name__ is now always used to format 
fully qualified class names of Python implemented classes.
 2014-07-22 15:00:37 +03:00
Victor Stinner 7fa767e517 Issue #20976: pyflakes: Remove unused imports 2014-03-20 09:16:38 +01:00
Yury Selivanov da5fe4f2da inspect.signature: Add support for 'functools.partialmethod' #20223 2014-01-27 17:28:37 -05:00
Nick Coghlan 3daaf5f89d Fix functools.partialmethod docs and __all__ 2013-11-04 23:32:16 +10:00
Nick Coghlan f4cb48a72b Issue #4331: Added functools.partialmethod 
Initial patch by Alon Horev
 2013-11-03 16:41:46 +10:00