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Merge pull request #5938 from radarhere/zero

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Return an empty bytestring from tobytes() for an empty image
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Hugo van Kemenade 2022-01-07 08:34:50 +02:00 committed by GitHub
commit 5908ccc5ae
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2 changed files with 8 additions and 0 deletions
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5
Tests/test_image.py
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@ -786,6 +786,11 @@ class TestImage:
34665: 196, 34665: 196,
} }
@pytest.mark.parametrize("size", ((1, 0), (0, 1), (0, 0)))
def test_zero_tobytes(self, size):
im = Image.new("RGB", size)
assert im.tobytes() == b""
def test_categories_deprecation(self): def test_categories_deprecation(self):
with pytest.warns(DeprecationWarning): with pytest.warns(DeprecationWarning):
assert hopper().category == 0 assert hopper().category == 0

3
src/PIL/Image.py
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@ -716,6 +716,9 @@ class Image:
self.load() self.load()
if self.width == 0 or self.height == 0:
return b""
# unpack data # unpack data
e = _getencoder(self.mode, encoder_name, args) e = _getencoder(self.mode, encoder_name, args)
e.setimage(self.im) e.setimage(self.im)