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Fix indices of colors read from GIMP Palette file #6640

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Fix indices of colors read from GIMP Palette file #6640

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61b1eeb
Fix indices of colors read from GIMP Palette file
jsbueno Oct 4, 2022
d0837bd
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 4, 2022
681f77a
Linter fixes, remove hanging unused lambda
jsbueno Oct 4, 2022
4642e02
Only use colors from the palette file
radarhere Oct 6, 2022
1ed6039
Merge pull request #1 from radarhere/gimppalette
jsbueno Oct 6, 2022
a12389b
Provide way to load big palettes;
jsbueno Oct 6, 2022
2f6467c
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 6, 2022
b471158
:lipstick:
jsbueno Oct 6, 2022
0d00d08
Remove n_colors property
jsbueno Oct 7, 2022
2eb6976
Update src/PIL/GimpPaletteFile.py
jsbueno Oct 7, 2022
c345080
Update Tests/test_file_gimppalette.py
jsbueno Oct 7, 2022
378471e
Mark 'break' after 'warning' as not "no cover": testing promotes the …
jsbueno Oct 9, 2022
8979f0c
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 9, 2022
e007a0b
Improved test
radarhere Oct 11, 2022
6893d1d
Merge pull request #3 from radarhere/gimppalette_test
jsbueno Oct 12, 2022
cefeab8
Use array for better performance
radarhere Nov 5, 2022
ea271be
Merge branch 'main' into fix/gimppalette
radarhere Dec 30, 2022
9239820
Merge branch 'main' into fix/gimppalette
radarhere Mar 19, 2025
c7e70d5
Added type hint
radarhere Mar 19, 2025
dee9336
Use monkeypatch
radarhere Mar 19, 2025
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4 changes: 2 additions & 2 deletions src/PIL/GimpPaletteFile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ class GimpPaletteFile:
#: override if reading larger palettes is needed
max_colors = 256
_max_line_size = 100
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We're reading RGB data from each line. That's three integers. Under what circumstances would a user need to read more than 100 characters?

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@jsbueno jsbueno Oct 7, 2022 •
edited by radarhere
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The 4th Column contains the color name, though that is currently unused. And there might be a name with more than 100 characters - moving the number to an attribute just offers a chance of one working around an error imposed by an arbitrary, though reasonable, limit on an otherwise good file.

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(currently unused in PIL, that is: GIMP uses that name)

_max_file_size = 2**20
_max_file_size = 2 ** 20 # 1MB

def __init__(self, fp):

Expand All @@ -49,7 +49,7 @@ def __init__(self, fp):
warnings.warn(
f"Palette file truncated at {self._max_file_size - len(s)} bytes"
)
break
break # pragma: no cover

# skip fields and comment lines
if re.match(rb"\w+:|#", s):
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