import redis
import hashlib


class Redis():
    def __init__(self):
        self.con = redis.Redis(
            host='',  # ip地址
            port=,  # 端口號(hào)
            db=,
            decode_responses=True,
            password=""
            # 設(shè)置為T(mén)rue存的數(shù)據(jù)格式就是str類(lèi)型
        )

    def add(self, key, data):
        if self.exit(key, data):
            print("該數(shù)據(jù)已存在！")
            return False
        else:
            self.con.sadd(key, data)  # 添加
            print("添加成功")
            return True

    def query(self, key):
        return self.con.smembers(key)  # 拿出key對(duì)應(yīng)所有值

    def delete(self, key):
        self.con.delete(key)  # 刪除key鍵

    def exit(self, key, data):
        return self.con.sismember(key, data)  # 判斷key里是否有data，有則返回true


class Hashencode():
    def __init__(self):
        self.encode_machine = hashlib.md5()  # 創(chuàng)建一個(gè)md5對(duì)象

    def encode(self, url):
        self.encode_machine.update(url.encode())  # 更新
        url_encode = self.encode_machine.hexdigest()  # 拿到編碼后的十六進(jìn)制數(shù)據(jù)
        return url_encode

en = Hashencode()
red = Redis()
url = page_url
encode = en.encode(url)
rest_add = red.add("urls", encode)