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TYP: optional type parameters for ndarray and flatiter #28940

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Merged
charris merged 3 commits into from
May 15, 2025
Merged

TYP: optional type parameters for ndarray and flatiter #28940

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99c66af
TYP: optional type parameters for ``ndarray`` and ``flatiter``
jorenham May 10, 2025
e796021
DOC: add release notes for #28940
jorenham May 10, 2025
ede9ea4
TYP: consistent type-parameter defaults for ``ndarray`` subclasses
jorenham May 10, 2025
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TYP: consistent type-parameter defaults for ndarray subclasses
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@jorenham
jorenham committed May 11, 2025
commit ede9ea453ebd73468805167382f6df56edcdd612
8 changes: 4 additions & 4 deletions numpy/_core/defchararray.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,11 @@ from typing import (
Literal as L,
overload,
TypeAlias,
TypeVar,
Any,
SupportsIndex,
SupportsInt,
)
from typing_extensions import TypeVar

import numpy as np
from numpy import (
Expand Down Expand Up @@ -89,10 +89,10 @@ __all__ = [
"chararray",
]

_ShapeT_co = TypeVar("_ShapeT_co", bound=tuple[int, ...], covariant=True)
_ShapeT_co = TypeVar("_ShapeT_co", bound=_Shape, default=_Shape, covariant=True)
_CharacterT = TypeVar("_CharacterT", bound=np.character)
_CharDTypeT_co = TypeVar("_CharDTypeT_co", bound=dtype[np.character], covariant=True)
_CharArray: TypeAlias = chararray[tuple[int, ...], dtype[_CharacterT]]
_CharDTypeT_co = TypeVar("_CharDTypeT_co", bound=dtype[np.character], default=dtype, covariant=True)
_CharArray: TypeAlias = chararray[_Shape, dtype[_CharacterT]]

_StringDTypeArray: TypeAlias = np.ndarray[_Shape, np.dtypes.StringDType]
_StringDTypeSupportsArray: TypeAlias = _SupportsArray[np.dtypes.StringDType]
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10 changes: 5 additions & 5 deletions numpy/ma/core.pyi
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Expand Up @@ -2,10 +2,10 @@
# ruff: noqa: ANN001, ANN002, ANN003, ANN201, ANN202 ANN204, ANN401

from collections.abc import Sequence
from typing import Any, Literal, Self, SupportsIndex, TypeAlias, TypeVar, overload
from typing import Any, Literal, Self, SupportsIndex, TypeAlias, overload

from _typeshed import Incomplete
from typing_extensions import TypeIs, deprecated
from typing_extensions import TypeIs, TypeVar, deprecated

import numpy as np
from numpy import (
Expand Down Expand Up @@ -221,10 +221,10 @@ __all__ = [
"zeros_like",
]

_ShapeT = TypeVar("_ShapeT", bound=tuple[int, ...])
_ShapeT_co = TypeVar("_ShapeT_co", bound=tuple[int, ...], covariant=True)
_ShapeT = TypeVar("_ShapeT", bound=_Shape)
_ShapeT_co = TypeVar("_ShapeT_co", bound=_Shape, default=_Shape, covariant=True)
_DTypeT = TypeVar("_DTypeT", bound=dtype)
_DTypeT_co = TypeVar("_DTypeT_co", bound=dtype, covariant=True)
_DTypeT_co = TypeVar("_DTypeT_co", bound=dtype, default=dtype, covariant=True)
_ArrayT = TypeVar("_ArrayT", bound=ndarray[Any, Any])
_ScalarT = TypeVar("_ScalarT", bound=generic)
_ScalarT_co = TypeVar("_ScalarT_co", bound=generic, covariant=True)
Expand Down
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