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Do not force palette length to be 256

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This commit is contained in:
Andrew Murray 2025-03-06 22:08:59 +11:00
parent 18e2877f0b
commit 9c8c7a0a4e
2 changed files with 4 additions and 3 deletions
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1
Tests/test_file_gimppalette.py
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@ -32,3 +32,4 @@ def test_get_palette() -> None:
# Assert # Assert
assert mode == "RGB" assert mode == "RGB"
assert len(palette) / 3 == 11

6
src/PIL/GimpPaletteFile.py
View File

@ -27,12 +27,11 @@ class GimpPaletteFile:
rawmode = "RGB" rawmode = "RGB"
def __init__(self, fp: IO[bytes]) -> None: def __init__(self, fp: IO[bytes]) -> None:
palette = [o8(i) * 3 for i in range(256)]
if not fp.readline().startswith(b"GIMP Palette"): if not fp.readline().startswith(b"GIMP Palette"):
msg = "not a GIMP palette file" msg = "not a GIMP palette file"
raise SyntaxError(msg) raise SyntaxError(msg)
palette: list[int] = []
for i in range(256): for i in range(256):
s = fp.readline() s = fp.readline()
if not s: if not s:
@ -40,6 +39,7 @@ class GimpPaletteFile:
# skip fields and comment lines # skip fields and comment lines
if re.match(rb"\w+:|#", s): if re.match(rb"\w+:|#", s):
palette.append(o8(i) * 3)
continue continue
if len(s) > 100: if len(s) > 100:
msg = "bad palette file" msg = "bad palette file"
@ -50,7 +50,7 @@ class GimpPaletteFile:
msg = "bad palette entry" msg = "bad palette entry"
raise ValueError(msg) raise ValueError(msg)
palette[i] = o8(int(v[0])) + o8(int(v[1])) + o8(int(v[2])) palette.append(o8(int(v[0])) + o8(int(v[1])) + o8(int(v[2])))
self.palette = b"".join(palette) self.palette = b"".join(palette)