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url() rejected file:// URLs like file:///var/www because their authority (netloc) is empty or "localhost", neither of which _validate_netloc accepts as a hostname. RFC 8089 defines both an empty and a "localhost" authority as valid for a local file URL. A file URL with a non-local authority (file://example.com/path) still goes through the normal hostname check, unchanged.
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Fixes #481.
url()rejectedfile://URLs such asfile:///var/wwwbecause their authority (netloc) is empty or"localhost", neither of which_validate_netlocaccepts as a hostname. RFC 8089 defines both an empty and a"localhost"authority as valid for a local file URL, so this addsfileto the accepted schemes and skips hostname validation for those two authorities specifically.A
file://URL with a non-local authority (file://example.com/path) still goes through the normal hostname check, unchanged.