8000 TYP: Type ``MaskedArray.repeat``, improve overloads for ``NDArray.repeat``, ``generic.repeat``, and ``np.repeat`` by MarcoGorelli · Pull Request #28849 · numpy/numpy · GitHub
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TYP: Type MaskedArray.repeat, improve overloads for NDArray.repeat, generic.repeat, and np.repeat #28849

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Merged
merged 4 commits into from
Apr 29, 2025
Merged

TYP: Type MaskedArray.repeat, improve overloads for NDArray.repeat, generic.repeat, and np.repeat #28849

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5e8f535
TYP: Type ``np.ma.repeat`` and ``MaskedArray.repeat``
MarcoGorelli Apr 28, 2025
9d712ed
Merge remote-tracking branch 'upstream/main' into ma-repeat
MarcoGorelli Apr 29, 2025
b6b5085
undo ``np.ma.repeat`` typing
MarcoGorelli Apr 29, 2025
1583e52
overload NDArray.repeat, generic.repeat, and np.repeat too
MarcoGorelli Apr 29, 2025
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TYP: Type np.ma.repeat and MaskedArray.repeat
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@MarcoGorelli
MarcoGorelli committed Apr 28, 2025
commit 5e8f535c8f9b2e6b54f341f90c2fcdfedb6a06c2
23 changes: 21 additions & 2 deletions numpy/ma/core.pyi
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Expand Up @@ -777,7 +777,13 @@ class MaskedArray(ndarray[_ShapeT_co, _DTypeT_co]):
copy: Any
diagonal: Any
flatten: Any
repeat: Any

def repeat(
self,
repeats: _ArrayLikeInt_co,
axis: SupportsIndex | None = ...,
) -> MaskedArray[_Shape, _DTypeT_co]: ...

squeeze: Any
swapaxes: Any
T: Any
Expand Down Expand Up @@ -996,7 +1002,20 @@ nonzero: _frommethod
prod: _frommethod
product: _frommethod
ravel: _frommethod
repeat: _frommethod

@overload
def repeat(
a: _ArrayLike[_ScalarT],
repeats: _ArrayLikeInt_co,
axis: SupportsIndex | None = ...,
) -> _MaskedArray[_ScalarT]: ...
@overload
def repeat(
a: ArrayLike,
repeats: _ArrayLikeInt_co,
axis: SupportsIndex | None = ...,
) -> _MaskedArray[Any]: ...

soften_mask: _frommethod
std: _frommethod
sum: _frommethod
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9 changes: 9 additions & 0 deletions numpy/typing/tests/data/reveal/ma.pyi
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Expand Up @@ -276,6 +276,15 @@ assert_type(np.ma.filled([[1,2,3]]), NDArray[Any])
# https://github.com/numpy/numpy/pull/28742#discussion_r2048968375
assert_type(np.ma.filled(MAR_1d), np.ndarray[tuple[int], np.dtype]) # type: ignore[assert-type]

assert_type(MAR_b.repeat(3), MaskedNDArray[np.bool])
assert_type(MAR_2d_f4.repeat(MAR_i8), MaskedNDArray[np.float32])

assert_type(np.ma.repeat(b, 1), MaskedNDArray[np.bool])
assert_type(np.ma.repeat(f4, 1), MaskedNDArray[np.float32])
assert_type(np.ma.repeat(f, 1), MaskedNDArray[Any])
assert_type(np.ma.repeat(MAR_b, 1), MaskedNDArray[np.bool])
assert_type(np.ma.repeat(AR_f4, 1), MaskedNDArray[np.float32])

assert_type(np.ma.allequal(AR_f4, MAR_f4), bool)
assert_type(np.ma.allequal(AR_f4, MAR_f4, fill_value=False), bool)

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