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321 commits

Author SHA1 Message Date
Alex Waygood
08756dbba6
gh-105280: Ensure isinstance([], collections.abc.Mapping) always evaluates to False (#105281) 2023-06-05 14:10:49 +00:00
Alex Waygood
cdfb201bfa
gh-105237: Allow calling issubclass(X, typing.Protocol) again (#105239) 2023-06-05 06:36:51 -07:00
Alex Waygood
c05c31db8c
gh-105144: Runtime-checkable protocols: move all 'sanity checks' to _ProtocolMeta.__subclasscheck__ (#105152) 2023-05-31 17:02:25 +00:00
Tomas R
46857d0b2a
gh-104943: Remove mentions of old Python versions (#104945) 2023-05-25 23:34:17 -07:00
Tomas R
fea8632ec6
gh-104786: Remove kwargs-based TypedDict creation (#104891) 
Deprecated since Python 3.11.

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2023-05-25 21:14:58 +01:00
Jelle Zijlstra
2b7027d0b2
gh-104935: typing: Fix interactions between @runtime_checkable and Generic (#104939) 
---------

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2023-05-25 16:43:40 +00:00
Jelle Zijlstra
c0ab7d401c
gh-104797: Allow Protocols to inherit from collections.abc.Buffer (#104827) 2023-05-24 08:24:53 +00:00
Sebastian Rittau
abdda5b133
gh-92871: Remove typing.{io,re} namespaces (#92873) 
Closes #92871

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
 2023-05-23 13:44:26 +00:00
Alex Waygood
a412fc58cc
Improve readability of typing._ProtocolMeta.__instancecheck__ (#104649) 2023-05-19 14:30:02 +01:00
Alex Waygood
f7835fc7e9
gh-74690: Don't set special protocol attributes on non-protocol subclasses of protocols (#104622) 
Don't set special protocol attributes on non-protocol subclasses of protocols
 2023-05-19 00:34:40 +01:00
Alex Waygood
b27fe67f3c
gh-104555: Runtime-checkable protocols: Don't let previous calls to isinstance() influence whether issubclass() raises an exception (#104559) 
Co-authored-by: Carl Meyer <carl@oddbird.net>
 2023-05-17 23:43:12 +00:00
Jelle Zijlstra
0cb2fdc621
typing: Use PEP 695 syntax in typing.py (#104553) 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2023-05-17 06:03:58 -07:00
Alex Waygood
1163782868
gh-104555: Fix isinstance() and issubclass() for runtime-checkable protocols that use PEP 695 (#104556) 
Fixes #104555
 2023-05-16 16:38:10 +00:00
Jelle Zijlstra
24d8b88420
gh-103763: Implement PEP 695 (#103764) 
This implements PEP 695, Type Parameter Syntax. It adds support for:

- Generic functions (def func[T](): ...)
- Generic classes (class X[T](): ...)
- Type aliases (type X = ...)
- New scoping when the new syntax is used within a class body
- Compiler and interpreter changes to support the new syntax and scoping rules 

Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Co-authored-by: Eric Traut <eric@traut.com>
Co-authored-by: Larry Hastings <larry@hastings.org>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2023-05-15 20:36:23 -07:00
Alex Waygood
c527eb1c2a
gh-91896: Revert some very noisy DeprecationWarnings for ByteString (#104424) 2023-05-13 09:55:35 +01:00
Nikita Sobolev
5b8cd5abe5
gh-104415: Fix refleak tests for typing.ByteString deprecation (#104416) 2023-05-12 05:36:12 -07:00
Alex Waygood
f0f5bb3204
gh-91896: Improve visibility of ByteString deprecation warnings (#104294) 2023-05-11 23:01:31 -07:00
Jelle Zijlstra
37a5d256b9
gh-104392: Remove _paramspec_tvars from typing (#104393) 
This does nothing.
 2023-05-11 16:41:26 -07:00
Kirill Podoprigora
01c321ca34
gh-104328: Fix typo in `typing.Generic` multiple inheritance error message (#104335) 2023-05-09 13:18:15 -06:00
Shantanu
82ba6ce303
Improve assert_type phrasing (#104081) 
I'd like to make the fact that this does nothing at runtime
really obvious, since I suspect this is unintuitive for users who are
unfamiliar with static type checking.

I thought of this because of
https://discuss.python.org/t/add-arg-check-type-to-types/26384
wherein I'm skeptical that the user really did want `assert_type`.
 2023-05-01 23:05:25 -07:00
Franek Magiera
2d526cd32f
GH-103629: Update Unpack's repr in compliance with PEP 692 (#104048) 2023-05-01 17:58:50 +00:00
Adrian Garcia Badaracco
0056701aa3
GH-103699: Add __orig_bases__ to various typing classes (#103698) 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
 2023-04-23 08:33:39 -06:00
Nikita Sobolev
dc604a8c58
gh-97797: Mention __metadata__ in docstrings of typing.{_AnnotatedAlias, Annotated} (#103405) 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Kirill <80244920+Eclips4@users.noreply.github.com>
 2023-04-10 15:57:17 +01:00
Alex Waygood
de18267685
gh-74690: Further optimise typing._ProtocolMeta.__instancecheck__ (#103280) 2023-04-05 17:37:36 +01:00
Alex Waygood
3246688918
gh-74690: typing: Call _get_protocol_attrs and _callable_members_only at protocol class creation time, not during isinstance() checks (#103160) 2023-04-05 12:19:03 +01:00
Alex Waygood
47753ecde2
gh-74690: typing: Simplify and optimise _ProtocolMeta.__instancecheck__ (#103159) 2023-04-05 10:07:30 +01:00
Alex Waygood
6d59c9e32e
gh-102433: Use inspect.getattr_static in typing._ProtocolMeta.__instancecheck__ (#103034) 2023-04-02 14:22:19 +01:00
Alex Waygood
361a3eaf1b
gh-74690: Micro-optimise typing._get_protocol_attrs (#103152) 
Improve performance of `isinstance()` checks against runtime-checkable protocols
 2023-03-31 21:54:50 +01:00
Alex Waygood
9048d73f7a
gh-74690: typing: Don't unnecessarily call _get_protocol_attrs twice in _ProtocolMeta.__instancecheck__ (#103141) 
Speed up `isinstance()` calls against runtime-checkable protocols
 2023-03-31 18:37:24 +01:00
Nikita Sobolev
adb0621652
gh-88965: typing: fix type substitution of a list of types after initial ParamSpec substitution (#102808) 
Previously, this used to fail:

```py
from typing import *
T = TypeVar("T")
P = ParamSpec("P")

class X(Generic[P]):
    f: Callable[P, int]

Y = X[[int, T]]
Z = Y[str]
```

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2023-03-23 16:26:11 +00:00
Nikita Sobolev
a297d59609
Add comments to {typing,_collections_abc}._type_repr about each other (#102752) 
Remove `if` condition in `_collections_abc._type_repr` that's no longer needed, bringing it in sync with `typing._type_repr`.
 2023-03-16 13:05:38 +00:00
Nikita Sobolev
2b5781d659
gh-102615: Use list instead of tuple in repr of paramspec (#102637) 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2023-03-15 09:33:41 +00:00
Steven Troxler
0f89acf6cc
gh-101561: Add typing.override decorator (#101564) 
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2023-02-27 13:16:11 -08:00
Nikita Sobolev
807d6b576f
gh-101015: Fix typing.get_type_hints with unpacked *tuple (PEP 646) (#101031) 2023-01-23 07:52:58 +00:00
Steve Dower
b5d4347950
gh-86682: Adds sys._getframemodulename as an alternative to using _getframe (GH-99520) 
Also updates calls in collections, doctest, enum, and typing modules to use _getframemodulename first when available.
 2023-01-13 11:31:06 +00:00
david-why
68981578ec
Correct typo in typing.py (#100423) 
In the docstring of `ParamSpec`, the name of `P = ParamSpec('P')` was
mistakenly written as `'T'`.
 2022-12-22 11:20:52 +00:00
Erik De Bonte
5c19050546
gh-99957: Add frozen_default parameter on dataclass_transform (#99958) 2022-12-05 19:35:43 -08:00
Wenzel Jakob
c314198fad
gh-98253: Break potential reference cycles in external code worsened by typing.py lru_cache (#98591) 2022-11-30 08:33:32 +00:00
Serhiy Storchaka
8f2fb7dfe7
gh-99344, gh-99379, gh-99382: Fix issues in substitution of ParamSpec and TypeVarTuple (GH-99412) 
* Fix substitution of TypeVarTuple and ParamSpec together in user generics.

* Fix substitution of ParamSpec followed by TypeVarTuple in generic aliases.

* Check the number of arguments in substitution in user generics containing a
  TypeVarTuple and one or more TypeVar.
 2022-11-29 09:46:52 +02:00
Serhiy Storchaka
0e15c31c7e
gh-98852: Fix subscription of type aliases (GH-98920) 
Fix subscription of type aliases containing bare generic types or types
like TypeVar: for example tuple[A, T][int] and tuple[TypeVar, T][int],
where A is a generic type, and T is a type variable.
 2022-11-01 09:33:09 +02:00
Anh71me
0cd33e11fe
GH-96079 Fix missing field name for _AnnotatedAlias (#96080) 2022-08-31 16:02:24 -07:00
Nikita Sobolev
4217393aee
gh-95987: Fix repr of Any type subclasses (#96412) 2022-08-30 10:36:16 -07:00
Nikita Sobolev
75177358a6
gh-96385: Correctly raise error on [*T, *V] substitution (GH-96386) 2022-08-30 10:34:55 +03:00
Max Zhenzhera
90a6e56e56
docs: typing.Self, fix typo (GH-94771) 
* fix typo - double spelled word 'use'

* change methods names to the infinitive form
 2022-07-12 18:45:52 +01:00
Ken Jin
6442a9dd21
gh-94607: Fix subclassing generics (GH-94610) 
Co-authored-by: Serhiy Storchaka <3659035+serhiy-storchaka@users.noreply.github.com>
 2022-07-09 12:18:01 +08:00
Gregory Beauregard
81e91c95a5
bpo-46642: Explicitly disallow subclassing of instaces of TypeVar, ParamSpec, etc (GH-31148) 
The existing test covering this case passed only incidentally. We
explicitly disallow doing this and add a proper error message.

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
 2022-06-25 09:35:33 +03:00
Serhiy Storchaka
f9433fff47
gh-89828: Do not relay the __class__ attribute in GenericAlias (#93754) 
list[int].__class__ returned type, and isinstance(list[int], type)
returned True. It caused numerous problems in code that checks
isinstance(x, type).
 2022-06-18 11:34:57 +03:00
Serhiy Storchaka
3473817106
gh-91162: Support splitting of unpacked arbitrary-length tuple over TypeVar and TypeVarTuple parameters (alt) (GH-93412) 
For example:

  A[T, *Ts][*tuple[int, ...]] -> A[int, *tuple[int, ...]]
  A[*Ts, T][*tuple[int, ...]] -> A[*tuple[int, ...], int]
 2022-06-12 16:22:01 +03:00
Shantanu
f20a6a54fb
gh-91860: documentation for typing.dataclass_transform (#92768) 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2022-05-20 07:32:29 -07:00
Alex Waygood
eef47d5bc7
Add __slots__ to typing._NotIterable (GH-92570) 2022-05-10 12:17:54 +03:00