Add support for PEP 728, supporting the closed keyword argument and the
special __extra_items__ key for TypedDict. Patch by Zixuan James Li.
Add support for PEP 742, adding typing_extensions.TypeIs. Patch
by Jelle Zijlstra.
Drop runtime error when a read-only TypedDict item overrides a mutable
one. Type checkers should still flag this as an error. Patch by Jelle
Zijlstra.
Speedup issubclass() checks against simple runtime-checkable protocols by
around 6% (backporting python/cpython#112717, by Alex
Waygood).
Fix a regression in the implementation of protocols where typing.Protocol
classes that were not marked as @runtime_checkable would be unnecessarily
introspected, potentially causing exceptions to be raised if the protocol had
problematic members. Patch by Alex Waygood, backporting
python/cpython#113401.
This feature release adds support for PEP 728 (TypedDict with extra
items) and PEP 742 (TypeIs).
There are no changes since 4.10.0rc1.
Release 4.10.0rc1 (February 17, 2024)
Add support for PEP 728, supporting the closed keyword argument and the
special __extra_items__ key for TypedDict. Patch by Zixuan James Li.
Add support for PEP 742, adding typing_extensions.TypeIs. Patch
by Jelle Zijlstra.
Drop runtime error when a read-only TypedDict item overrides a mutable
one. Type checkers should still flag this as an error. Patch by Jelle
Zijlstra.
Speedup issubclass() checks against simple runtime-checkable protocols by
around 6% (backporting python/cpython#112717, by Alex
Waygood).
Fix a regression in the implementation of protocols where typing.Protocol
classes that were not marked as @runtime_checkable would be unnecessarily
introspected, potentially causing exceptions to be raised if the protocol had
problematic members. Patch by Alex Waygood, backporting
python/cpython#113401.
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Bumps typing-extensions from 4.9.0 to 4.10.0.
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