Filesystem

IsDir

IsDir(*, message=None, code=None) — str or pathlib.Path pointing to an existing directory.

IsFile

IsFile(*, message=None, code=None) — str or pathlib.Path pointing to an existing file.

config: Annotated[pathlib.Path, IsFile]

For validating uploaded-file bodies as raw bytes (size + magic-byte sniffing), see File Uploads.