# -*- coding: utf-8 -*-
# filename: basic.py
import urllib
import time
import json


class Basic:
    # 对Class里面的属性进行初始化
    def __init__(self):
        self.__accessToken = ''
        self.__leftTime = 0

    def __real_get_access_token(self):
        appId = "wx6bde14e48daff22a"
        appSecret = "7ef2652e030e154f908d0a4fd6abc564"

        postUrl = ("https://api.weixin.qq.com/cgi-bin/token?grant_type="
                   "client_credential&appid=%s&secret=%s" % (appId, appSecret))
        urlResp = urllib.urlopen(postUrl)
        # 返回值解析为json
        urlResp = json.loads(urlResp.read())

        self.__accessToken = urlResp['access_token']
        self.__leftTime = urlResp['expires_in']

    def get_access_token(self):
        if self.__leftTime < 10:
            self.__real_get_access_token()
        return self.__accessToken

    def run(self):
        while (True):
            if self.__leftTime > 10:
                time.sleep(2)
                self.__leftTime -= 2
            else:
                self.__real_get_access_token()