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Check ext is not empty during save (#145)

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Hugo van Kemenade 2026-01-25 14:46:11 +02:00 committed by GitHub
commit d568c8d9e3
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1 changed files with 4 additions and 1 deletions
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src/PIL/Image.py
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@ -404,6 +404,9 @@ _EXTENSION_PLUGIN: dict[str, str] = {
def _import_plugin_for_extension(ext: str | bytes) -> bool:
"""Import only the plugin needed for a specific file extension."""
if not ext:
return False
if isinstance(ext, bytes):
ext = ext.decode()
ext = ext.lower()
@ -3633,7 +3636,7 @@ def open(
# Try to import just the plugin needed for this file extension
# before falling back to preinit() which imports common plugins
ext = os.path.splitext(filename)[1] if filename else ""
if not (ext and _import_plugin_for_extension(ext)):
if not _import_plugin_for_extension(ext):
preinit()
warning_messages: list[str] = []