import pycurl

 import os,sys

 import time

 import sys

 try:

     URL=sys.argv[1]    # 测试网站的域名

 except Exception as e:

     print ("Error:"+str(e))

     print ("用法：请输入要探测的web地址")

     sys.exit()

 #URL="http://www.baidu.com"    #测试网站的域名

 c = pycurl.Curl()

 c.setopt(pycurl.URL, URL)

 c.setopt(pycurl.CONNECTTIMEOUT, 5)

 c.setopt(pycurl.TIMEOUT, 5)

 c.setopt(pycurl.NOPROGRESS, 1)

 c.setopt(pycurl.FORBID_REUSE, 1)

 c.setopt(pycurl.MAXREDIRS, 1)

 c.setopt(pycurl.DNS_CACHE_TIMEOUT,30)    

 indexfile = open(os.path.dirname(os.path.realpath(__file__))+"/content.txt", "wb")

 c.setopt(pycurl.WRITEHEADER, indexfile)

 c.setopt(pycurl.WRITEDATA, indexfile)

 try:

     c.perform()    #提交请求

 except Exception as e:

     print("connecion error:"+str(e))

     indexfile.close()

     c.close()

     sys.exit()

 NAMELOOKUP_TIME =  c.getinfo(c.NAMELOOKUP_TIME)

 CONNECT_TIME =  c.getinfo(c.CONNECT_TIME)

 PRETRANSFER_TIME =   c.getinfo(c.PRETRANSFER_TIME)

 STARTTRANSFER_TIME = c.getinfo(c.STARTTRANSFER_TIME)    

 TOTAL_TIME = c.getinfo(c.TOTAL_TIME)

 HTTP_CODE =  c.getinfo(c.HTTP_CODE)

 SIZE_DOWNLOAD =  c.getinfo(c.SIZE_DOWNLOAD)

 HEADER_SIZE = c.getinfo(c.HEADER_SIZE)

 SPEED_DOWNLOAD=c.getinfo(c.SPEED_DOWNLOAD)    

 print("测试网站:",URL)

 print("HTTP状态码:{}" .format(HTTP_CODE))

 print("HTTP状态码：%s" %(HTTP_CODE))

 print("DNS解析时间：%.2f ms"%(NAMELOOKUP_TIME*1000))

 print("建立连接时间：%.2f ms" %(CONNECT_TIME*1000))

 print("准备传输时间：%.2f ms" %(PRETRANSFER_TIME*1000))

 print("传输开始时间：%.2f ms" %(STARTTRANSFER_TIME*1000))

 print("传输结束总时间：%.2f ms" %(TOTAL_TIME*1000))

 print("下载数据包大小：%d bytes/s" %(SIZE_DOWNLOAD))

 print("HTTP头部大小：%d byte" %(HEADER_SIZE))

 print("平均下载速度：%d bytes/s" %(SPEED_DOWNLOAD))

 #关闭文件及Curl对象

 indexfile.close()

 c.close()