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TYP: Adjust type hint of Norm.__call__ to return masked array #26434

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Merged
merged 2 commits into from
Aug 3, 2023
Merged

TYP: Adjust type hint of Norm.__call__ to return masked array #26434

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47d155d
Adjust type hint of Norm.__call__ to return masked array
ksunden Aug 2, 2023
6385edc
Use overloads for Normalize.__call__ and inverse, ensure NoNorm retur…
ksunden Aug 2, 2023
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4 changes: 4 additions & 0 deletions lib/matplotlib/colors.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2095,9 +2095,13 @@ class NoNorm(Normalize):
indices directly in a `~matplotlib.cm.ScalarMappable`.
"""
def __call__(self, value, clip=None):
if np.iterable(value):
return np.ma.array(value)
return value

def inverse(self, value):
if np.iterable(value):
return np.ma.array(value)
return value


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20 changes: 11 additions & 9 deletions lib/matplotlib/colors.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -146,7 +146,17 @@ class Normalize:
def clip(self, value: bool) -> None: ...
@staticmethod
def process_value(value: ArrayLike) -> tuple[np.ma.MaskedArray, bool]: ...
@overload
def __call__(self, value: float, clip: bool | None = ...) -> float: ...
@overload
def __call__(self, value: np.ndarray, clip: bool | None = ...) -> np.ma.MaskedArray: ...
@overload
def __call__(self, value: ArrayLike, clip: bool | None = ...) -> ArrayLike: ...
@overload
def inverse(self, value: float) -> float: ...
@overload
def inverse(self, value: np.ndarray) -> np.ma.MaskedArray: ...
@overload
def inverse(self, value: ArrayLike) -> ArrayLike: ...
def autoscale(self, A: ArrayLike) -> None: ...
def autoscale_None(self, A: ArrayLike) -> None: ...
Expand All @@ -161,8 +171,6 @@ class TwoSlopeNorm(Normalize):
@vcenter.setter
def vcenter(self, value: float) -> None: ...
def autoscale_None(self, A: ArrayLike) -> None: ...
def __call__(self, value: ArrayLike, clip: bool | None = ...) -> ArrayLike: ...
def inverse(self, value: ArrayLike) -> ArrayLike: ...

class CenteredNorm(Normalize):
def __init__(
Expand Down Expand Up @@ -240,8 +248,6 @@ class PowerNorm(Normalize):
vmax: float | None = ...,
clip: bool = ...,
) -> None: ...
def __call__(self, value: ArrayLike, clip: bool | None = ...) -> ArrayLike: ...
def inverse(self, value: ArrayLike) -> ArrayLike: ...

class BoundaryNorm(Normalize):
boundaries: np.ndarray
Expand All @@ -256,12 +262,8 @@ class BoundaryNorm(Normalize):
*,
extend: Literal["neither", "both", "min", "max"] = ...
) -> None: ...
def __call__(self, value: ArrayLike, clip: bool | None = ...) -> ArrayLike: ...
def inverse(self, value: ArrayLike) -> ArrayLike: ...

class NoNorm(Normalize):
def __call__(self, value: ArrayLike, clip: bool | None = ...) -> ArrayLike: ...
def inverse(self, value: ArrayLike) -> ArrayLike: ...
class NoNorm(Normalize): ...

def rgb_to_hsv(arr: ArrayLike) -> np.ndarray: ...
def hsv_to_rgb(hsv: ArrayLike) -> np.ndarray: ...
Expand Down