Function verify_file_encrypted

python/pyarrow/tests/parquet/encryption.py:109–116

Verify that the file is encrypted by looking at its first 4 bytes. If it's the magic string PARE then this is a parquet with encrypted footer.

(path)

def verify_file_encrypted(path):
    """Verify that the file is encrypted by looking at its first 4 bytes.
    If it's the magic string PARE
    then this is a parquet with encrypted footer."""
    with open(path, "rb") as file:
        magic_str = file.read(4)
        # Verify magic string for parquet with encrypted footer is PARE
        assert magic_str == b'PARE'


def read_external_keys_to_dict(path):