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Do not register empty extension

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This commit is contained in:
Andrew Murray 2026-01-19 17:24:28 +11:00
parent 9c8059fdea
commit b06118c2b3
1 changed files with 3 additions and 3 deletions
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6
src/PIL/SpiderImagePlugin.py
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@ -290,9 +290,9 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
def _save_spider(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
# get the filename extension and register it with Image
filename_ext = os.path.splitext(filename)[1]
ext = filename_ext.decode() if isinstance(filename_ext, bytes) else filename_ext
Image.register_extension(SpiderImageFile.format, ext)
if filename_ext := os.path.splitext(filename)[1]:
ext = filename_ext.decode() if isinstance(filename_ext, bytes) else filename_ext
Image.register_extension(SpiderImageFile.format, ext)
_save(im, fp, filename)