selenium爬取优酷页面并下载图片

 from selenium import webdriver
 import requests
 driver = webdriver.Chrome()
 #打开优酷
 driver.get("http://www.youku.com")
 #点开优酷片库
 driver.find_element_by_xpath("//*[@id='m_2544']/div/ul/li[6]/span[1]/a").click()
 #获取所有img元素
 listImg = driver.find_elements_by_xpath("//div[@class='vaule_main']//li/div/div/img")
 #取img的src值
 listSrc = []
 for img in listImg:
     src = img.get_attribute('src')
     listSrc.append(src)
 print(len(listImg))
 #下载图片
 session = requests.session()
 for index,value in enumerate(listSrc):
     response = session.get(value)
     with open(str(index)+'.png',mode='wb') as f:
         f.write(response.content)