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gh-91491: Complete Whats New in 3.11 for typing (#92708)

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Fixes #91491

Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
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Jelle Zijlstra 2022-05-19 07:07:54 -07:00 committed by GitHub
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Doc/whatsnew/3.11.rst
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@ -730,6 +730,12 @@ For major changes, see :ref:`new-feat-related-type-hints-311`.
the given type. At runtime it simply returns the received value. the given type. At runtime it simply returns the received value.
(Contributed by Jelle Zijlstra in :gh:`90638`.) (Contributed by Jelle Zijlstra in :gh:`90638`.)
* :data:`typing.TypedDict` types can now be generic. (Contributed by
Samodya Abey in :gh:`89026`.)
* :class:`~typing.NamedTuple` types can now be generic.
(Contributed by Serhiy Storchaka in :issue:`43923`.)
* Allow subclassing of :class:`typing.Any`. This is useful for avoiding * Allow subclassing of :class:`typing.Any`. This is useful for avoiding
type checker errors related to highly dynamic class, such as mocks. type checker errors related to highly dynamic class, such as mocks.
(Contributed by Shantanu Jain in :gh:`91154`.) (Contributed by Shantanu Jain in :gh:`91154`.)
@ -743,11 +749,33 @@ For major changes, see :ref:`new-feat-related-type-hints-311`.
to clear all registered overloads of a function. to clear all registered overloads of a function.
(Contributed by Jelle Zijlstra in :gh:`89263`.) (Contributed by Jelle Zijlstra in :gh:`89263`.)
* :data:`typing.TypedDict` subclasses can now be generic. (Contributed by * The :meth:`__init__` method of :class:`~typing.Protocol` subclasses
Samodya Abey in :gh:`89026`.) is now preserved. (Contributed by Adrian Garcia Badarasco in :gh:`88970`.)
* :class:`~typing.NamedTuple` subclasses can now be generic. * The representation of empty tuple types (``Tuple[()]``) is simplified.
(Contributed by Serhiy Storchaka in :issue:`43923`.) This affects introspection, e.g. ``get_args(Tuple[()])`` now evaluates
to ``()`` instead of ``((),)``.
(Contributed by Serhiy Storchaka in :gh:`91137`.)
* Loosen runtime requirements for type annotations by removing the callable
check in the private ``typing._type_check`` function. (Contributed by
Gregory Beauregard in :gh:`90802`.)
* :func:`typing.get_type_hints` now supports evaluating strings as forward
references in :ref:`PEP 585 generic aliases <types-genericalias>`.
(Contributed by Niklas Rosenstein in :gh:`85542`.)
* :func:`typing.get_type_hints` no longer adds :data:`~typing.Optional`
to parameters with ``None`` as a default. (Contributed by Nikita Sobolev
in :gh:`90353`.)
* :func:`typing.get_type_hints` now supports evaluating bare stringified
:data:`~typing.ClassVar` annotations. (Contributed by Gregory Beauregard
in :gh:`90711`.)
* :func:`typing.no_type_check` no longer modifies external classes and functions.
It also now correctly marks classmethods as not to be type checked. (Contributed
by Nikita Sobolev in :gh:`90729`.)
tkinter tkinter
@ -1236,6 +1264,10 @@ Deprecated
wherever possible. wherever possible.
(Contributed by Alex Waygood in :gh:`92332`.) (Contributed by Alex Waygood in :gh:`92332`.)
* The keyword argument syntax for constructing :data:`~typing.TypedDict` types
is now deprecated. Support will be removed in Python 3.13. (Contributed by
Jingchen Ye in :gh:`90224`.)
Pending Removal in Python 3.12 Pending Removal in Python 3.12
============================== ==============================