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Changed has_transparency_data() to property

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This commit is contained in:
Andrew Murray 2023-09-26 20:14:22 +10:00
parent 1c30809245
commit e27d7a6f84
4 changed files with 8 additions and 7 deletions
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10
Tests/test_image.py
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@ -909,27 +909,27 @@ class TestImage:
def test_has_transparency_data(self): def test_has_transparency_data(self):
for mode in ("1", "L", "P", "RGB"): for mode in ("1", "L", "P", "RGB"):
im = Image.new(mode, (1, 1)) im = Image.new(mode, (1, 1))
assert not im.has_transparency_data() assert not im.has_transparency_data
for mode in ("LA", "La", "PA", "RGBA", "RGBa"): for mode in ("LA", "La", "PA", "RGBA", "RGBa"):
im = Image.new(mode, (1, 1)) im = Image.new(mode, (1, 1))
assert im.has_transparency_data() assert im.has_transparency_data
# P mode with "transparency" info # P mode with "transparency" info
with Image.open("Tests/images/first_frame_transparency.gif") as im: with Image.open("Tests/images/first_frame_transparency.gif") as im:
assert "transparency" in im.info assert "transparency" in im.info
assert im.has_transparency_data() assert im.has_transparency_data
# RGB mode with "transparency" info # RGB mode with "transparency" info
with Image.open("Tests/images/rgb_trns.png") as im: with Image.open("Tests/images/rgb_trns.png") as im:
assert "transparency" in im.info assert "transparency" in im.info
assert im.has_transparency_data() assert im.has_transparency_data
# P mode with RGBA palette # P mode with RGBA palette
im = Image.new("RGBA", (1, 1)).convert("P") im = Image.new("RGBA", (1, 1)).convert("P")
assert im.mode == "P" assert im.mode == "P"
assert im.palette.mode == "RGBA" assert im.palette.mode == "RGBA"
assert im.has_transparency_data() assert im.has_transparency_data
def test_apply_transparency(self): def test_apply_transparency(self):
im = Image.new("P", (1, 1)) im = Image.new("P", (1, 1))

2
docs/reference/Image.rst
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@ -195,7 +195,7 @@ This helps to get the bounding box coordinates of the input image::
.. automethod:: PIL.Image.Image.getpalette .. automethod:: PIL.Image.Image.getpalette
.. automethod:: PIL.Image.Image.getpixel .. automethod:: PIL.Image.Image.getpixel
.. automethod:: PIL.Image.Image.getprojection .. automethod:: PIL.Image.Image.getprojection
.. automethod:: PIL.Image.Image.has_transparency_data .. autoproperty:: PIL.Image.Image.has_transparency_data
.. automethod:: PIL.Image.Image.histogram .. automethod:: PIL.Image.Image.histogram
.. automethod:: PIL.Image.Image.paste .. automethod:: PIL.Image.Image.paste
.. automethod:: PIL.Image.Image.point .. automethod:: PIL.Image.Image.point

1
src/PIL/Image.py
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@ -1531,6 +1531,7 @@ class Image:
rawmode = mode rawmode = mode
return list(self.im.getpalette(mode, rawmode)) return list(self.im.getpalette(mode, rawmode))
@property
def has_transparency_data(self) -> bool: def has_transparency_data(self) -> bool:
""" """
Determine if an image has transparency data, whether in the form of an Determine if an image has transparency data, whether in the form of an

2
src/PIL/WebPImagePlugin.py
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@ -332,7 +332,7 @@ def _save(im, fp, filename):
exact = 1 if im.encoderinfo.get("exact") else 0 exact = 1 if im.encoderinfo.get("exact") else 0
if im.mode not in _VALID_WEBP_LEGACY_MODES: if im.mode not in _VALID_WEBP_LEGACY_MODES:
im = im.convert("RGBA" if im.has_transparency_data() else "RGB") im = im.convert("RGBA" if im.has_transparency_data else "RGB")
data = _webp.WebPEncode( data = _webp.WebPEncode(
im.tobytes(), im.tobytes(),