def get_signature_bytes(path):
    """
    Reads file from disk and returns the first 262 bytes
    of data representing the magic number header signature.

    Args:
        path: path string to file.

    Returns:
        First 262 bytes of the file content as bytearray type.
    """
    with open(path, 'rb') as fp:
        return bytearray(fp.read(262))