爬虫我爱编程

滴滴..selenium老司机开不同的车headless chr

2018-03-22  本文已影响170人  sexy_cyber
多线程测试速度 结果

在速度上selenium慢的真不是一点点 啊,几何倍数;,,,,,不想说什么

测试了两个两部车的UA也都各有特色,也就是说这两辆车也是需要伪装的;

chrome UA

User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/65.0.3325.181 Safari/537.36

phantomjs UA

User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/538.1 (KHTML, like Gecko) PhantomJS/2.1.1 Safari/538.1

速度测试源码


from seleniumimport webdriver

import time

from threadingimport Thread

import requests

url ="https://www.taobao.com/markets/nanzhuang/jiushijiu?spm=a21bo.2017.201860.1.5af911d96sPN27&scm=20140637.1.61496.222272"

def re():

start = time.time()

content = requests.get(url).text

print('requests总共耗时%f秒' % (time.time() - start))

def phan():

start = time.time()

browser = webdriver.PhantomJS()

browser.get(url)

content = browser.page_source

print('phantomjs总共耗时%f秒' % (time.time() - start))

def chrome():

start = time.time()

options = webdriver.ChromeOptions()

options.add_argument('headless')

browser = webdriver.Chrome(chrome_options=options)

browser.get(url)

content = browser.page_source

print('chrome总共耗时%f秒' % (time.time() - start))

def main():

t1 = Thread(target=phan)

# 开启phantomjs线程

    t1.start()

t2 = Thread(target=chrome)

# 开启headless chrome线程

    t2.start()

t3 = Thread(target=re)

# 开启requests线程

    t3.start()

if __name__ =='__main__':

main()

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