config.py 文件源码

def _dump(self):
        temp = '%s-%s.tmp' % (uuid.uuid4(), self.name)
        with open(temp, 'w', encoding='utf-8') as tmp:
            json.dump(self._db.copy(), tmp, ensure_ascii=True, cls=self.encoder, separators=(',', ':'))

        # atomically move the file
        os.replace(temp, self.name)