Fix use of @deprecated on classes with __new__ but no __init__.
Patch by Jelle Zijlstra.
Fix regression in version 4.6.1 where comparing a generic class against a
runtime-checkable protocol using isinstance() would cause AttributeError
to be raised if using Python 3.7.
Release 4.6.1 (May 23, 2023)
Change deprecated @runtime to formal API @runtime_checkable in the error
message. Patch by Xuehai Pan.
Fix regression in 4.6.0 where attempting to define a Protocol that was
generic over a ParamSpec or a TypeVarTuple would cause TypeError to be
raised. Patch by Alex Waygood.
Add typing_extensions.Buffer, a marker class for buffer types, as proposed
by PEP 688. Equivalent to collections.abc.Buffer in Python 3.12. Patch by
Jelle Zijlstra.
Backport two CPython PRs fixing various issues with typing.Literal:
python/cpython#23294 and
python/cpython#23383. Both CPython PRs were
originally by Yurii Karabas, and both were backported to Python >=3.9.1, but
no earlier. Patch by Alex Waygood.
A side effect of one of the changes is that equality comparisons of Literal
objects will now raise a TypeError if one of the Literal objects being
compared has a mutable parameter. (Using mutable parameters with Literal is
not supported by PEP 586 or by any major static type checkers.)
Literal is now reimplemented on all Python versions <= 3.10.0. The
typing_extensions version does not suffer from the bug that was fixed in
python/cpython#29334. (The CPython bugfix was
backported to CPython 3.10.1 and 3.9.8, but no earlier.)
Backport CPython PR 26067
(originally by Yurii Karabas), ensuring that isinstance() calls on
protocols raise TypeError when the protocol is not decorated with
@runtime_checkable. Patch by Alex Waygood.
Backport several significant performance improvements to runtime-checkable
protocols that have been made in Python 3.12 (see
python/cpython#74690 for details). Patch by Alex
Waygood.
A side effect of one of the performance improvements is that the members of
a runtime-checkable protocol are now considered “frozen” at runtime as soon
as the class has been created. Monkey-patching attributes onto a
runtime-checkable protocol will still work, but will have no impact on
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Bumps typing-extensions from 4.5.0 to 4.6.2.
Changelog
Sourced from typing-extensions's changelog.
... (truncated)
Commits
e84f909
Prepare release 4.6.2 (#195)2912585
Fix@deprecated
on classes with only new (#193)e7fe63f
Add guidance on robust runtime use (#189)57aae62
Fix isinstance check for Generic classes on Python 3.7 (#188)f62fa3f
Prepare release 4.6.1 (#186)88a7f68
HaveProtocol
inherit fromtyping.Generic
on 3.8+ (#184)b306e56
Clarify error message for non@runtime_checkable
decorated protocols (#178)356934c
Prepare release 4.6.0 (#177)8054a29
Further simplify the implementations of the TypeVarLikes (#176)773090f
Remove module assignment for TypeVar and friends (#175)Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
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