8000 ENH: Add annotations for `np.lib.type_check` by BvB93 · Pull Request #19286 · numpy/numpy · GitHub
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ENH: Add annotations for np.lib.type_check #19286

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Merged
merged 3 commits into from
Jun 23, 2021
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ENH: Add annotations for np.lib.type_check #19286

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d3809f2
ENH: Add annotations for `np.lib.type_check`
Feb 4, 2021
c66ffd9
MAINT: Fixed an issue with the return-dtype of `ndarray.real` and `imag
Jun 19, 2021
e3722f0
TST: Add typing tests for `np.lib.type_check`
Jun 19, 2021
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MAINT: Fixed an issue with the return-dtype of ndarray.real and `imag 
The latter two would previously return complex arrays if the initial array was also complex
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@BvB93
Bas van Beek authored and BvB93 committed Jun 20, 2021
commit c66ffd98ea1ca734862504bd68c382360152b61c
16 changes: 14 additions & 2 deletions numpy/__init__.pyi
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Expand Up @@ -1633,6 +1633,14 @@ _ArrayTD64_co = NDArray[Union[bool_, integer[Any], timedelta64]]
class _SupportsItem(Protocol[_T_co]):
def item(self, __args: Any) -> _T_co: ...

class _SupportsReal(Protocol[_T_co]):
@property
def real(self) -> _T_co: ...

class _SupportsImag(Protocol[_T_co]):
@property
def imag(self) -> _T_co: ...

class ndarray(_ArrayOrScalarCommon, Generic[_ShapeType, _DType_co]):
@property
def base(self) -> Optional[ndarray]: ...
Expand All @@ -1641,11 +1649,15 @@ class ndarray(_ArrayOrScalarCommon, Generic[_ShapeType, _DType_co]):
@property
def size(self) -> int: ...
@property
def real(self: _ArraySelf) -> _ArraySelf: ...
def real(
self: NDArray[_SupportsReal[_ScalarType]], # type: ignore[type-var]
) -> ndarray[_ShapeType, dtype[_ScalarType]]: ...
@real.setter
def real(self, value: ArrayLike) -> None: ...
@property
def imag(self: _ArraySelf) -> _ArraySelf: ...
def imag(
self: NDArray[_SupportsImag[_ScalarType]], # type: ignore[type-var]
) -> ndarray[_ShapeType, dtype[_ScalarType]]: ...
@imag.setter
def imag(self, value: ArrayLike) -> None: ...
def __new__(
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