Python中如何检测IP代理的有效性

https://blog.csdn.net/qq_42330464/article/details/80553718

def getValidIp():
     try:
            url_ip = 'http://webapi.http.zhimacangku.com/getip?num=1&type=2&pro=&city=0&yys=0&port=1&time=1&ts=0&ys=0&cs=0&lb=1&sb=0&pb=4&mr=1&regions='
            res_ip = requests.get(url_ip).text
            data = json.loads(res_ip)['data'][0]
            ip = data['ip']
            port = data['port']
            proxies = {'http': 'http://' + str(ip)+':'+str(port),
                       'https': 'https://' + str(ip)+':'+str(port), }
            response = requests.get('http://httpbin.org/get', proxies=proxies)
            print(response.status_code)
            return proxies
     except:
         getValidIp()