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Replace slice and comparison with startswith

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Andrew Murray 2025-05-07 14:59:34 +10:00 committed by GitHub
parent 661c0d8a35
commit ade1db0835
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1 changed files with 2 additions and 2 deletions
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4
src/PIL/JpegXlImagePlugin.py
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@ -25,8 +25,8 @@ except ImportError:
def _accept(prefix: bytes) -> bool: def _accept(prefix: bytes) -> bool:
is_jxl = ( is_jxl = (
prefix[:2] == b"\xff\x0a" prefix.startswith(b"\xff\x0a")
or prefix[:12] == b"\x00\x00\x00\x0c\x4a\x58\x4c\x20\x0d\x0a\x87\x0a" or prefix.startswith(b"\x00\x00\x00\x0c\x4a\x58\x4c\x20\x0d\x0a\x87\x0a")
) )
if is_jxl and not SUPPORTED: if is_jxl and not SUPPORTED:
msg = "image file could not be identified because JXL support not installed" msg = "image file could not be identified because JXL support not installed"