python redis布隆过滤器去重

from txdpy import PyBloomFilter

bf=PyBloomFilter()
# bf=PyBloomFilter(host='126.66.16.166')

src='src1'

#判断去重对象是否已存在redis中
if bf.is_exist(src):
    pass
else:
    # 添加去重对象到redis
    bf.add(src)