gh-75223: Reject undotted extensions in mimetypes.add_type by OddBloke · Pull Request #2895 · python/cpython (original) (raw)
Extensions that don't start with a dot will never be found by methods/functions that act on the registry, so we should stop users from mistakenly adding them.
The one exception is the empty string extension. This could be in use to detect absent extensions, so instead of raising a ValueError we emit a warning.
bpo-31040: Reject undotted extensions in mimetypes.add_type gh-75223: Reject undotted extensions in mimetypes.add_type
hugovk previously requested changes Nov 6, 2024
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