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Type annotations: Add & use Extrema type alias.

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This commit is contained in:
neiljp (Neil Pilgrim) 2017-08-19 11:04:28 -07:00 committed by Eric Soroos
parent 9625b7957e
commit 850e28a02f
2 changed files with 3 additions and 2 deletions
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1
PIL/aliases.py
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@ -8,4 +8,5 @@ Size = XY # NOTE: All XY aliases will be interchangeable
Matrix4 = Tuple[float, float, float, float]
Matrix12 = Tuple[float, float, float, float, float, float, float, float, float, float, float, float]
Mode = str
Extrema = Union[Tuple[Any, Any], Tuple[Tuple[Any, Any], ...]] # Any -> float?

4
src/PIL/Image.py
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@ -1283,7 +1283,7 @@ class Image(object):
return self.im # could be abused
def getextrema(self):
# type: () -> Tuple
# type: () -> Extrema
"""
Gets the the minimum and maximum pixel values for each band in
the image.
@ -1359,7 +1359,7 @@ class Image(object):
return [i8(c) for c in x], [i8(c) for c in y]
def histogram(self, mask=None, extrema=None):
# type: (Optional[Image], Optional[Any]) -> List[int]
# type: (Optional[Image], Optional[Extrema]) -> List[int]
"""
Returns a histogram for the image. The histogram is returned as
a list of pixel counts, one for each pixel value in the source