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* gh-111181: Fix enum doctests (GH-111180)Nikita Sobolev2023-10-301-6/+5
| | | Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
* gh-110905: [Enum] minor fixes and cleanup (GH-110906)Pieter Eendebak2023-10-161-5/+3
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* gh-109653: Improve `enum` import time by avoiding import of `functools` ↵Alex Waygood2023-09-231-3/+2
| | | | (GH-109789)
* gh-109022: [Enum] require `names=()` to create empty enum type (GH-109048)Ethan Furman2023-09-081-0/+5
| | | | | | | add guard so that ``Enum('bar')`` raises a TypeError instead of creating a new enum class called `bar`. To create the new but empty class, use: huh = Enum('bar', names=())
* gh-108682: [Enum] raise TypeError if super().__new__ called in custom ↵Ethan Furman2023-08-311-0/+7
| | | | | | | | | | | __new__ (GH-108704) When overriding the `__new__` method of an enum, the underlying data type should be created directly; i.e. . member = object.__new__(cls) member = int.__new__(cls, value) member = str.__new__(cls, value) Calling `super().__new__()` finds the lookup version of `Enum.__new__`, and will now raise an exception when detected.
* gh-106602: [Enum] Add __copy__ and __deepcopy__ (GH-106666)Prince Roshan2023-07-121-0/+6
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* gh-105497: [Enum] Fix flag mask inversion when unnamed flags exist (#106468)Ethan Furman2023-07-111-6/+2
| | | | | | | | | | | For example: class Flag(enum.Flag): A = 0x01 B = 0x02 MASK = 0xff ~Flag.MASK is Flag(0)
* gh-105497: [Enum] Fix Flag inversion when alias/mask members exist. (GH-105542)Ethan Furman2023-06-091-8/+7
| | | When inverting a Flag member (or boundary STRICT), only consider other canonical flags; when inverting an IntFlag member (or boundary KEEP), also consider aliases.
* gh-105332: [Enum] Fix unpickling flags in edge-cases (GH-105348)Nikita Sobolev2023-06-081-21/+9
| | | | | * revert enum pickling from by-name to by-value Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
* gh-104764: [Enum] fix 3.13-specific tests (GH-104779)Ethan Furman2023-05-231-34/+10
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* gh-103596: [Enum] do not shadow mixed-in methods/attributes (GH-103600)Ethan Furman2023-04-181-35/+51
| | | | | | | | | | | | | | | | | | For example: class Book(StrEnum): title = auto() author = auto() desc = auto() Book.author.desc is Book.desc but Book.author.title() == 'Author' is commonly expected. Using upper-case member names avoids this confusion and possible performance impacts. Co-authored-by: samypr100 <3933065+samypr100@users.noreply.github.com>
* gh-103479: [Enum] require __new__ to be considered a data type (GH-103495)Ethan Furman2023-04-131-1/+2
| | | a mixin must either have a __new__ method, or be a dataclass, to be interpreted as a data-type
* gh-103365: [Enum] STRICT boundary corrections (GH-103494)Ethan Furman2023-04-131-28/+39
| | | | | | STRICT boundary: - fix bitwise operations - make default for Flag
* [Enum] unchain exception property.__get__ (GH-103305)Ethan Furman2023-04-061-1/+1
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* gh-93910: [Enum] remove member.member deprecation (GH-103236)Ethan Furman2023-04-061-25/+25
| | | | i.e. Color.RED.BLUE is now officially supported.
* gh-103056: [Enum] use staticmethod decorator for _gnv_ (GH-103231)Ethan Furman2023-04-041-0/+3
| | | _gnv_ --> _generate_next_value_
* gh-98298, gh-74730: [Enum] update docs (GH-103163)Ethan Furman2023-04-031-4/+4
| | | | fix FlagBoundary statements add warning about reloading modules and enum identity
* gh-103215: Remove redundant if stmt from `enum.EnumType._find_data_type_` ↵Sadra Barikbin2023-04-031-2/+0
| | | | (GH-103222)
* gh-102549: [Enum] fail enum creation when data type raises in __init__ ↵Ethan Furman2023-03-311-14/+11
| | | | (GH-103149)
* gh-102558: [Enum] better handling of non-Enum EnumType classes (GH-103060)Ethan Furman2023-03-271-7/+5
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* gh-103056: [Enum] ensure final _generate_next_value_ is a staticmethod ↵Ethan Furman2023-03-271-0/+5
| | | | (GH-103062)
* gh-102558: [Enum] fix AttributeError during member repr() (GH-102601)Dong-hee Na2023-03-231-0/+2
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* gh-101541: [Enum] create flag psuedo-member without calling original __new__ ↵Ethan Furman2023-02-061-3/+2
| | | | (GH-101590)
* gh-101341: Remove unncessary enum._power_of_two function (gh-101342)Dong-hee Na2023-01-281-5/+0
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* gh-86682: Adds sys._getframemodulename as an alternative to using _getframe ↵Steve Dower2023-01-131-5/+7
| | | | | (GH-99520) Also updates calls in collections, doctest, enum, and typing modules to use _getframemodulename first when available.
* gh-100039: enhance __signature__ to work with str and callables (GH-100168)Ethan Furman2022-12-161-1/+8
| | | | | Callables should be either class- or static-methods. Enum now uses the classmethod version to greatly improve the help given for enums and flags.
* gh-100098: [Enum] insist on actual tuples, no subclasses, for auto (GH-100099)Ethan Furman2022-12-081-1/+3
| | | | | | When checking for auto() instances, only top-level usage is supported, which means either alone or as part of a regular tuple. Other containers, such as lists, dicts, or namedtuples, will not have auto() transformed into a value.
* gh-92120: The docstring of enum.Enum is invalid in reST (GH-92122)Takeshi KOMIYA2022-12-081-7/+7
| | | Closes #92120
* gh-94943: [Enum] improve repr() when inheriting from a dataclass (GH-99740)Ethan Furman2022-12-061-1/+17
| | | Co-authored-by: C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>
* gh-92647: [Enum] use final status to determine lookup or create (GH-99500)Ethan Furman2022-11-151-4/+9
| | | | | | | * use final status to determine lookup or create * 📜🤖 Added by blurb_it. Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* [Enum] update version TODO comment (GH-99458)Ethan Furman2022-11-141-1/+1
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* gh-99248: [Enum] fix negative number infinite loop (GH-99256)Ethan Furman2022-11-081-1/+7
| | | | | | | | [Enum] fix negative number infinite loop - _iter_bits_lsb() now raises a ValueError if a negative number is passed in - verify() now skips checking negative numbers for named flags
* gh-93464: [Enum] fix auto() failure during multiple assignment (GH-99148)Ethan Furman2022-11-061-8/+25
| | | | | | * fix auto() failure during multiple assignment i.e. `ONE = auto(), 'text'` will now have `ONE' with the value of `(1, 'text')`. Before it would have been `(<an auto instance>, 'text')`
* gh-96865: [Enum] fix Flag to use CONFORM boundary (GH-97528)Ethan Furman2022-10-051-1/+1
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* [Enum] fix typos (GH-96285)wim glenn2022-09-201-2/+2
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* gh-95149: Enhance `http.HTTPStatus` with properties that indicate the HTTP ↵Alexandru Mărășteanu2022-08-301-1/+1
| | | | status category (GH-95453)
* gh-95077: [Enum] add code-based deprecation warnings for member.member ↵Ethan Furman2022-07-251-45/+41
| | | | | | | access (GH-95083) * issue deprecation warning for member.member access * always store member property in current class * remove __getattr__
* Revert "gh-93910: [Enum] restore member.member restriction while keeping ↵Ethan Furman2022-07-181-8/+0
| | | | | performance boost (GH-94913)" (#94985) This reverts commit c20186c3972ff38577c4c5e32ca86748210983d2.
* gh-94601: [Enum] fix inheritance for __str__ and friends (GH-94942)Ethan Furman2022-07-181-5/+21
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* gh-93910: [Enum] restore member.member restriction while keeping performance ↵Ethan Furman2022-07-171-0/+8
| | | | boost (GH-94913)
* gh-93910: Fix enum performance regression (GH-94614)Michael Droettboom2022-07-071-8/+9
| | | | | | | | | | | | | | This removes the performance regression in 3.11, **at the expense of not fixing the "bug" that allows accessing values from values** (e.g. `Color.RED.BLUE`). Using the benchmark @markshannon [presented](https://github.com/python/cpython/issues/93910#issuecomment-1165503032), the results are: | Version | Enum | Fast enum | Normal class | | --- | --- | --- | --- | | 3.10 | 2.04 | 0.59 | 0.56 | | 3.11 | 2.78 | 0.31 | 0.15 | | This PR | 1.30 | 0.32 | 0.16 | I share this mostly as information about the source of the regression, as this may be useful. It may be that the lower-risk approach for the beta is just to revert to a previously-known working state.
* gh-93820: Pickle enum.Flag by name (GH-93891)Serhiy Storchaka2022-06-261-1/+15
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* [Enum] Remove automatic docstring generation (GH-94188)Sam Ezeh2022-06-231-105/+0
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* [Enum] fix typo (GH-94158)Ethan Furman2022-06-231-8/+8
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* gh-91456: [Enum] Deprecate default auto() behavior with mixed value types ↵Oscar R2022-06-231-8/+26
| | | | | | | (GH-91457) When used with plain Enum, auto() returns the last numeric value assigned, skipping any incompatible member values (such as strings); starting in 3.13 the default auto() for plain Enums will require all the values to be of compatible types, and will return a new value that is 1 higher than any existing value. Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
* gh-88123: Implement new Enum __contains__ (GH-93298)Carl Bordum Hansen2022-06-221-18/+8
| | | Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
* gh-93847: Fix repr of enum of generic aliases (GH-93885)Serhiy Storchaka2022-06-161-2/+2
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* gh-93820: Fix copy() regression in enum.Flag (GH-93876)Christian Heimes2022-06-161-0/+3
| | | | | | | | GH-26658 introduced a regression in copy / pickle protocol for combined `enum.Flag`s. `copy.copy(re.A | re.I)` would fail with `AttributeError: ASCII|IGNORECASE`. `enum.Flag` now has a `__reduce_ex__()` method that reduces flags by combined value, not by combined name.
* gh-93250: [Enum] Change IntEnum boundary to KEEP for backwards compatibility ↵Ethan Furman2022-05-271-1/+1
| | | | | (GH-93302) In previous versions of Python if an IntEnum member was combined with another integer type value using a bit-wise operation, the resulting value would still be the IntEnum type. This change restores that behavior.
* gh-93035: [Enum] Fix IntFlag crash when no single-bit members (GH-93076)Tobin Yehle2022-05-251-1/+1
| | | `EnumType` attempts to create a custom docstring for each enum/flag, but that was failing with pathological flags that had no members (only multi-bit aliases).
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