# -*- coding: utf-8 -*-
# @Author : Felix Wang
# @time : 2018/8/13 22:13
# pip3 install pycurl
import pycurl
from io import BytesIO
def test_website(url):
c = pycurl.Curl()
buffer = BytesIO() # 创建缓存对象
c.setopt(c.WRITEDATA, buffer) # 设置资源数据写入到缓存对象
c.setopt(c.URL, url) # 指定请求的URL
c.setopt(c.MAXREDIRS, 5) # 指定HTTP重定向的最大数
c.perform() # 执行
http_code = c.getinfo(pycurl.HTTP_CODE) # 返回的HTTP状态码
dns_resolve = c.getinfo(pycurl.NAMELOOKUP_TIME) # DNS解析所消耗的时间
http_conn_time = c.getinfo(pycurl.CONNECT_TIME) # 建立连接所消耗的时间
http_pre_trans = c.getinfo(pycurl.PRETRANSFER_TIME) # 从建立连接到准备传输所消耗的时间
http_start_trans = c.getinfo(pycurl.STARTTRANSFER_TIME) # 从建立连接到传输开始消耗的时间
http_total_time = c.getinfo(pycurl.TOTAL_TIME) # 传输结束所消耗的总时间
http_size_download = c.getinfo(pycurl.SIZE_DOWNLOAD) # 下载数据包大小
http_size_upload = c.getinfo(pycurl.SIZE_UPLOAD) # 上传数据包大小
http_header_size = c.getinfo(pycurl.HEADER_SIZE) # HTTP头部大小
http_speed_downlaod = c.getinfo(pycurl.SPEED_DOWNLOAD) # 平均下载速度
http_speed_upload = c.getinfo(pycurl.SPEED_UPLOAD) # 平均上传速度
http_redirect_time = c.getinfo(pycurl.REDIRECT_TIME) # 重定向所消耗的时间
print('HTTP响应状态: %d' % http_code)
print('DNS解析时间:%.2f ms' % (dns_resolve * 1000))
print('建立连接时间: %.2f ms' % (http_conn_time * 1000))
print('准备传输时间: %.2f ms' % (http_pre_trans * 1000))
print("传输开始时间: %.2f ms" % (http_start_trans * 1000))
print("传输结束时间: %.2f ms" % (http_total_time * 1000))
print("重定向时间: %.2f ms" % (http_redirect_time * 1000))
print("上传数据包大小: %d bytes/s" % http_size_upload)
print("下载数据包大小: %d bytes/s" % http_size_download)
print("HTTP头大小: %d bytes/s" % http_header_size)
print("平均上传速度: %d k/s" % (http_speed_upload / 1024))
print("平均下载速度: %d k/s" % (http_speed_downlaod / 1024))
if __name__ == '__main__':
test_url = 'www.baidu.com'
test_website(test_url)