def METHOD_NAME(self, remote_file_path, local_path):
    remote_full_path = (
        posixpath.join(self.path, remote_file_path) if remote_file_path else self.path
    )
    with self.get_ftp_client() as ftp:
        with open(local_path, "wb") as f:
            ftp.retrbinary("RETR " + remote_full_path, f.write)