proxy.py 文件源码

def checkAlive(self,ip,port,protocol):
        testUrl = "https://www.baidu.com/"
        req_timeout = 3
        cookies = urllib2.HTTPCookieProcessor()

        proxyHost = ""
        if protocol == 'HTTP' or protocol == 'HTTPS':
            proxyHost = {"http":r'http://%s:%s' % (ip, port)}
            #print proxyHost

        proxyHandler = urllib2.ProxyHandler(proxyHost)
        opener = urllib2.build_opener(cookies, proxyHandler)
        opener.addheaders = [('User-Agent',
                              'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36')]

        try:
            req = opener.open(testUrl, timeout=req_timeout)
            result = req.read()
            #print result
            gevent.sleep(2)
            return  True
        except urllib2.HTTPError as e:
            print  e.message
            return False