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, config_l, path=None, resolver=None):
        super().__init__(path=path, resolver=resolver)
        self._collection = []
        for key, value in enumerate(config_l):
            self._collection.append(self._from_python(str(key), value))