python redis

from random import random
import redis
import time

from sqlalchemy import true

def t1():
    url1=""
    pool=redis.ConnectionPool(host=url1,port=6379,password="")
    recon1=redis.Redis(connection_pool=pool)
    print(
        recon1.exists("s1")
    )

def save_sfz_hold(sfz):
    
    url1="r-bp1c0ynvdx3s7h64k4pd.redis.rds.aliyuncs.com"
    pool=redis.ConnectionPool(host=url1,port=6379,password="lsz:Qazokm741")
    rc1=redis.Redis(connection_pool=pool)
    t1=int(time.time()+60)
    re1=rc1.hset("sfz_hold",sfz,t1)
    return re1


def get_sfz_hold():
    url1="r-bp1c0ynvdx3s7h64k4pd.redis.rds.aliyuncs.com"
    pool=redis.ConnectionPool(host=url1,port=6379,password="lsz:Qazokm741")
    rc1=redis.Redis(connection_pool=pool)
    re1=rc1.hgetall("sfz_hold")
    ar1=[]
    for q in re1:
        sfz=str(q,encoding="utf-8")
        t1=str(re1[q],encoding="utf-8")
        t1=int(t1)
        if t1>int(time.time()):
            sfz=str(q,encoding="utf-8")
            ar1.append(sfz)
        else:
            rc1.hdel("sfz_hold",sfz)
    return ar1