def save(self):
        tmp_path = self.path + '.tmp'
        with open(tmp_path, 'w') as f:
            f.write(json.dumps(self.body_labels.items()))
        os.rename(tmp_path, self.path)
def __init__(self, queue, level, formatter):
        super(QueueingLogHandler, self).__init__()
        self._queue = queue
        self.setLevel(level)
        self.setFormatter(formatter)