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96 Commits

Author SHA1 Message Date
Ethan Furman 786d97a66c
bpo-42727: [Enum] use super() and include **kwds (GH-23927) 
for multiple inheritance support:

use super().new
pass **kwds to super().new
 2020-12-24 19:31:10 -08:00
Ethan Furman 6ec0adefad
[Enum] EnumMeta.__prepare__ now accepts **kwds (#23917) 2020-12-24 10:05:02 -08:00
Ethan Furman a658287179
bpo-34750: [Enum] add `_EnumDict.update()` support (GH-23725) 
This allows easier Enum construction in unusual cases, such as including dynamic member definitions into a class definition:

# created dynamically
foo_defines = {'FOO_CAT': 'aloof', 'BAR_DOG': 'friendly', 'FOO_HORSE': 'big'}

class Foo(Enum):
    vars().update({
            k: v
            for k, v in foo_defines.items()
            if k.startswith('FOO_')
            })
    def upper(self):
        # example method
        return self.value.upper()
 2020-12-10 13:07:00 -08:00
Ethan Furman efb13be72c
bpo-42385: [Enum] add `_generate_next_value_` to StrEnum (GH-23735) 
The default for auto() is to return an integer, which doesn't work for `StrEnum`.  The new `_generate_next_value_` for `StrEnum` returns the member name, lower cased.
 2020-12-10 12:20:06 -08:00
Ethan Furman 7cf0aad96d
bpo-42517: [Enum] do not convert private names into members (GH-23722) 
private names, such as `_Color__hue` and `_Color__hue_` are now normal attributes, and do not become members nor raise exceptions
 2020-12-09 17:12:11 -08:00
Ethan Furman 6bd94de168
bpo-42567: [Enum] call __init_subclass__ after members are added (GH-23714) 
When creating an Enum, type.__new__ calls __init_subclass__, but at that point the members have not been added.

This patch suppresses the initial call, then manually calls the ancestor __init_subclass__ before returning the new Enum class.
 2020-12-09 16:41:22 -08:00
Ethan Furman 6d3dfee271
[Enum] reformat and add doc strings (GH-23705) 2020-12-08 12:26:56 -08:00
Ethan Furman 37440eef7f
bpo-41907: [Enum] fix format() behavior for IntFlag (GH-22497) 2020-12-08 11:14:10 -08:00
Ethan Furman c266736ec1
bpo-41889: [Enum] fix multiple-inheritance regression (GH-22487) 2020-12-07 00:17:31 -08:00
Ethan Furman d986d1657e
bpo-41816: `StrEnum.__str__` is `str.__str__` (GH-22362) 
use `str.__str__` for `StrEnum` so that `str(StrEnum.member)` is the same as directly accessing the string value of the `StrEnum` member
 2020-09-22 13:00:07 -07:00
Ethan Furman 0063ff4e58
bpo-41816: add `StrEnum` (GH-22337) 
`StrEnum` ensures that its members were already strings, or intended to
be strings.
 2020-09-21 17:23:13 -07:00
Angelin BOOZ 68526fe258
bpo-40084: Enum - dir() includes member attributes (GH-19219) 2020-09-21 06:11:06 -07:00
Ethan Furman 7219e27087
Enum: make `Flag` and `IntFlag` members iterable (GH-22221) 2020-09-16 13:01:00 -07:00
Ethan Furman fc23a9483e
_auto_called cleanup (GH-22285) 2020-09-16 12:37:54 -07:00
Ethan Furman c95ad7a91f
bpo-39728: Enum: fix duplicate `ValueError` (GH-22277) 
fix default `_missing_` to return `None` instead of raising a `ValueError`
Co-authored-by: Andrey Darascheka <andrei.daraschenka@leverx.com>
 2020-09-16 10:26:50 -07:00
Ethan Furman 3064dbf5df
bpo-41517: do not allow Enums to be extended (#22271) 
fix bug that let Enums be extended via multiple inheritance
 2020-09-16 07:11:57 -07:00
Ethan Furman 22415ad625
bpo-41789: honor object overrides in Enum classes (GH-22250) 
EnumMeta double-checks that `__repr__`, `__str__`, `__format__`, and `__reduce_ex__` are not the same as `object`'s, and replaces them if they are -- even if that replacement was intentionally done in the Enum being constructed.  This patch fixes that.

Automerge-Triggered-By: @ethanfurman
 2020-09-15 16:28:25 -07:00
Ethan Furman bff01f3a3a
bpo-39587: Enum - use correct mixed-in data type (GH-22263) 2020-09-15 15:56:26 -07:00
Zackery Spytz 2ec67526a6
bpo-38967: Improve the error msg for reserved _sunder_ names in enum (GH-18370) 2020-09-13 13:27:51 -07:00
Ethan Onstott d9a43e20fa
bpo-40025: Require _generate_next_value_ to be defined before members (GH-19098) 
require `_generate_next_value_` to be defined before members
 2020-04-28 10:20:55 -07:00
HongWeipeng 0b41a922f9 bpo-38045: Improve the performance of _decompose() in enum.py (GH-16483) 
* Improve the performance of _decompose() in enum.py

Co-Authored-By: Brandt Bucher <brandtbucher@gmail.com>
 2019-11-26 14:36:02 -08:00
Pablo Galindo 293dd23477
Remove binding of captured exceptions when not used to reduce the chances of creating cycles (GH-17246) 
Capturing exceptions into names can lead to reference cycles though the __traceback__ attribute of the exceptions in some obscure cases that have been reported previously and fixed individually. As these variables are not used anyway, we can remove the binding to reduce the chances of creating reference cycles.

See for example GH-13135
 2019-11-19 21:34:03 +00:00
HongWeipeng bb16fb2cb8 Doc: Fix spelling errors of 'initial' in enum.py (GH-16314) 2019-09-21 07:22:54 +02:00
Walter Dörwald 323842c279 bpo-34443: Use __qualname__ instead of __name__ in enum exception messages. (GH-14809) 
* Use __qualname__ instead of __name__ in enum exception messages.
 2019-07-18 11:37:13 -07:00
thatneat 2f19e82fbe bpo-37479: on Enum subclasses with mixins, __format__ uses overridden __str__ (GH-14545) 
* bpo-37479: on Enum subclasses with mixins, __format__ uses overridden __str__
 2019-07-04 11:28:37 -07:00
Zachary Ware 19a1e1eb86 bpo-34282: Remove deprecated enum _convert method (GH-13823) 2019-06-04 23:03:10 +02:00
Brennan D Baraban 8b914d2767 bpo-35899: Fix Enum handling of empty and weird strings (GH-11891) 
Co-authored-by: Maxwell <maxwellpxt@gmail.com>
Co-authored-by: Stéphane Wirtel <stephane@wirtel.be>





https://bugs.python.org/issue35899
 2019-03-03 14:09:11 -08:00
Rémi Lapeyre 1fd06f1eca bpo-35717: Fix KeyError exception raised when using enums and compile (GH-11523) 
https://bugs.python.org/issue17467
 2019-01-24 11:43:13 -08:00
Andrew Svetlov 34ae04f74d Speed-up building enums by value, e.g. http.HTTPStatus(200) (#11318) 
bpo-35585: Speed up enum by-value lookup
 2018-12-26 10:45:33 -08:00
Ethan Furman cd45385ffa
bpo-34909: keep searching mixins until base class is found (GH-9737) 2018-10-05 23:29:36 -07:00
Ethan Furman 5bdab641da
bpo-29577: Enum: mixin classes don't mix well with already mixed Enums (GH-9328) 
* bpo-29577: allow multiple mixin classes
 2018-09-21 19:03:09 -07:00
Ethan Furman 019f0a0cb8
bpo-34536: raise error for invalid _missing_ results (GH-9147) 
* raise exception if _missing_ returns None or invalid type
 2018-09-12 11:43:34 -07:00
orlnub123 0fb9fadd3b bpo-34282: Fix Enum._convert shadowing members named _convert (GH-8568) 
* Fix enum members getting shadowed by parent attributes
* Move Enum._convert to EnumMeta._convert_
* Deprecate _convert
 2018-09-12 10:28:53 -07:00
Rahul Jha 9430652535 bpo-33217: Raise TypeError for non-Enum lookups in Enums (GH-6651) 
* bpo-33217: Raise TypeError for non-Enum lookups in Enums
 2018-09-10 11:21:04 -07:00
INADA Naoki e57f91a0f0
bpo-33866: enum: Stop using OrderedDict (GH-7698) 2018-06-19 01:14:26 +09:00
anentropic b8e21f1289 bpo-31947: remove None default for names param in Enum._create_ (GH-4288) 2018-04-15 20:40:35 -07:00
Ethan Furman a4b1bb4801
bpo-31801: Enum: add _ignore_ as class option (#5237) 
* bpo-31801:  Enum:  add _ignore_ as class option

_ignore_ is a list, or white-space seperated str, of names that will not
be candidates for members; these names, and _ignore_ itself, are removed
from the final class.

* bpo-31801:  Enum:  add documentation for _ignore_

* bpo-31801: Enum: remove trailing whitespace

* bpo-31801: Enum: fix bulleted list format

* bpo-31801: add version added for _ignore_
 2018-01-22 07:56:37 -08:00
Serhiy Storchaka 81108375d9 bpo-30152: Reduce the number of imports for argparse. (#1269) 2017-09-26 00:55:55 +03:00
Ville Skyttä 49b2734bf1 Spelling fixes (#2902) 2017-08-03 09:00:59 +03:00
Dong-hee Na dcc8ce44c7 bpo-30616: Functional API of enum allows to create empty enums. (#2304) 
* bpo-30616: Functional API of enum allows to create empty enums.

* Update NEWS

move addition to avoid conflict
 2017-06-21 09:52:32 -07:00
Ethan Furman 28cf663ff0 closes issue29167: fix race condition in (Int)Flag 2017-01-24 12:12:06 -08:00
Raymond Hettinger 381dc6c22f Issue #29103: Remove unused import. Noticed by Jean-Sebastien Bevilacqua. 2016-12-29 23:57:12 -07:00
Ethan Furman 23bb6f48ea close issue28172: Change all example enum member names to uppercase, per Guido; patch by Chris Angelico. 2016-11-21 09:22:05 -08:00
Ethan Furman 3515dcce80 issue23591: fix flag decomposition and repr 2016-09-18 13:15:41 -07:00
Ethan Furman 06339e7493 Enum._convert: sort by value, then by name 2016-09-11 13:25:26 -07:00
Ethan Furman c16595e567 issue23591: add auto() for auto-generating Enum member values 2016-09-10 23:36:59 -07:00
Ethan Furman 27682d2698 issue23591: more docs; slight change to repr 2016-09-04 11:39:01 -07:00
Ethan Furman 25d94bbf05 issue23591: bool(empty_flags) == False; more docs & tests 2016-09-02 16:32:32 -07:00
Ethan Furman 0443953067 issue23591: optimize _high_bit() 2016-09-02 15:50:21 -07:00
Ethan Furman 65a5a47d79 issue23591: add docs; code cleanup; more tests 2016-09-01 23:55:19 -07:00