Support properties with generic setters#19298
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ilevkivskyi merged 1 commit intopython:masterfrom Jun 16, 2025
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Diff from mypy_primer, showing the effect of this PR on open source code: xarray (https://github.com/pydata/xarray)
- xarray/core/variable.py: note: In member "data" of class "Variable":
- xarray/core/variable.py:442: error: Incompatible override of a setter type [override]
- xarray/core/variable.py:442: note: (base class "NamedArray" defined the type as "_arrayfunction[Any, Any] | _arrayapi[Any, Any]",
- xarray/core/variable.py:442: note: override has type "T_DuckArray | Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | complex | str | _NestedSequence[complex | bytes | str]")
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JukkaL
approved these changes
Jun 16, 2025
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This is yet another followup for
checkmemberwork.This handles a niche use case, but it is still used in the wild, and this restores parity between logic for descriptors with
__set__()and properties with custom setters.