Function _assert_filehash

gdown/cached_download.py:155–168

(path: str, hash: str, quiet: bool = False)

def _assert_filehash(path: str, hash: str, quiet: bool = False) -> None:
    if ":" not in hash:
        raise ValueError(
            f"Invalid hash: {hash}. "
            "Hash must be in the format of {algorithm}:{hash_value}."
        )
    algorithm = hash.split(":")[0]

    hash_actual = _compute_filehash(path=path, algorithm=algorithm)

    if hash_actual != hash:
        raise AssertionError(
            f"File hash doesn't match:\nactual: {hash_actual}\nexpected: {hash}"
        )