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Merge pull request #8535 from radarhere/tiff

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Hugo van Kemenade 2024-12-27 21:40:12 +02:00 committed by GitHub
commit 4df23c0f26
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2 changed files with 19 additions and 2 deletions
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13
Tests/test_imagefile.py
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@ -93,6 +93,19 @@ class TestImageFile:
assert p.image is not None
assert (48, 48) == p.image.size
@pytest.mark.filterwarnings("ignore:Corrupt EXIF data")
def test_incremental_tiff(self) -> None:
with ImageFile.Parser() as p:
with open("Tests/images/hopper.tif", "rb") as f:
p.feed(f.read(1024))
# Check that insufficient data was given in the first feed
assert not p.image
p.feed(f.read())
assert p.image is not None
assert (128, 128) == p.image.size
@skip_unless_feature("webp")
def test_incremental_webp(self) -> None:
with ImageFile.Parser() as p:

8
src/PIL/TiffImagePlugin.py
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@ -1432,8 +1432,12 @@ class TiffImageFile(ImageFile.ImageFile):
logger.debug("- YCbCr subsampling: %s", self.tag_v2.get(YCBCRSUBSAMPLING))
# size
xsize = self.tag_v2.get(IMAGEWIDTH)
ysize = self.tag_v2.get(IMAGELENGTH)
try:
xsize = self.tag_v2[IMAGEWIDTH]
ysize = self.tag_v2[IMAGELENGTH]
except KeyError as e:
msg = "Missing dimensions"
raise TypeError(msg) from e
if not isinstance(xsize, int) or not isinstance(ysize, int):
msg = "Invalid dimensions"
raise ValueError(msg)