Download file from (s)FTP to local filesystem.

def get(self, path, local_path):
        """
        Download file from (s)FTP to local filesystem.
        """
        normpath = os.path.normpath(local_path)
        folder = os.path.dirname(normpath)
        if folder and not os.path.exists(folder):
            os.makedirs(folder)

        tmp_local_path = local_path + '-luigi-tmp-%09d' % random.randrange(0, 1e10)

        # download file
        self._connect()

        if self.sftp:
            self._sftp_get(path, tmp_local_path)
        else:
            self._ftp_get(path, tmp_local_path)

        self._close()

        os.rename(tmp_local_path, local_path)