import redis
import time

# 连接到Redis
#r = redis.Redis(host='r-bp1ps6my7lzg8rdhwx682.redis.rds.aliyuncs.com', port=6379, db=0, password='Wqsd@2019')
r = redis.Redis(host='r-bp1oyhyx4mxgs6klyt561.redis.rds.aliyuncs.com', port=6379, db=0, password='Wqsd@2019')

# 使用SCAN命令逐步扫描key
cursor = '0'
while True:
    cursor, keys = r.scan(cursor=cursor, match='*', count=1000)
    if cursor == 0:
        print("finish")
        break
    else:
        time.sleep(0.1)