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Merge 14c0af88b4 into 640f55a655

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Andrew Murray 2025-07-24 13:16:14 +00:00 committed by GitHub
commit 1850025169
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2 changed files with 9 additions and 7 deletions
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14
Tests/test_imagemorph.py
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@ -7,7 +7,7 @@ import pytest
from PIL import Image, ImageMorph, _imagingmorph
from .helper import assert_image_equal_tofile, hopper
from .helper import assert_image_equal_tofile, hopper, timeout_unless_slower_valgrind
def string_to_img(image_string: str) -> Image.Image:
@ -266,16 +266,18 @@ def test_unknown_pattern() -> None:
ImageMorph.LutBuilder(op_name="unknown")
def test_pattern_syntax_error() -> None:
@pytest.mark.parametrize(
"pattern", ("a pattern with a syntax error", "4:(" + "X" * 30000)
)
@timeout_unless_slower_valgrind(1)
def test_pattern_syntax_error(pattern: str) -> None:
# Arrange
lb = ImageMorph.LutBuilder(op_name="corner")
new_patterns = ["a pattern with a syntax error"]
new_patterns = [pattern]
lb.add_patterns(new_patterns)
# Act / Assert
with pytest.raises(
Exception, match='Syntax error in pattern "a pattern with a syntax error"'
):
with pytest.raises(Exception, match='Syntax error in pattern "'):
lb.build_lut()

2
src/PIL/ImageMorph.py
View File

@ -150,7 +150,7 @@ class LutBuilder:
# Parse and create symmetries of the patterns strings
for p in self.patterns:
m = re.search(r"(\w*):?\s*\((.+?)\)\s*->\s*(\d)", p.replace("\n", ""))
m = re.search(r"(\w):?\s*\((.+?)\)\s*->\s*(\d)", p.replace("\n", ""))
if not m:
msg = 'Syntax error in pattern "' + p + '"'
raise Exception(msg)