linux 下selenium chrome使用详解

安装chrome

wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpmyum install ./google-chrome-stable_current_x86_64.rpmyum install mesa-libOSMesa-devel gnu-free-sans-fonts wqy-zenhei-fonts

安装chromedriver

淘宝源（推荐）

wget http://npm.taobao.org/mirrors/chromedriver/2.41/chromedriver_linux64.zipunzip chromedriver_linux64.zipmove chromedriver /usr/bin/chmod +x /usr/bin/chromedriver

编写selenium自动化脚本

#!/usr/bin/python# -*-coding:utf-8-*-import re, osimport jsonimport timeimport randomimport requestsfrom selenium import webdriverfrom selenium.webdriver import ActionChainsfrom selenium.webdriver.common.by import Byfrom selenium.webdriver.common.keys import Keysfrom selenium.common.exceptions import NoSuchElementExceptionfrom selenium.webdriver.support import expected_conditions as ECfrom selenium.webdriver.support.wait import WebDriverWaitfrom selenium.webdriver.support.wait import TimeoutExceptionfrom selenium.webdriver.chrome.options import Optionsfrom selenium.webdriver.support.select import Selectbinary_location = ’/usr/bin/google-chrome’chrome_driver_binary = ’/usr/bin/chromedriver’chrome_options = Options()chrome_options.binary_location = binary_locationchrome_options.add_argument(’--no-sandbox’)chrome_options.add_argument(’--headless’)chrome_options.add_argument(’--disable-gpu’)chrome_options.add_argument(’--disable-dev-shm-usage’)chromedriver = chrome_driver_binaryos.environ['webdriver.chrome.driver'] = chromedriverBROWSER = webdriver.Chrome(executable_path=’/usr/bin/chromedriver’, chrome_options=chrome_options)WAIT = WebDriverWait(BROWSER, 5)URL = 'http://www.baidu.com'BROWSER.get(URL)..........

踩到的坑一：

中文乱码，解决方法：

centos:

yum groupinstall fonts

ubuntu:

sudo apt-get install ttf-wqy-microhei ttf-wqy-zenhei xfonts-wqy

踩到的坑二：

不能截图，抛time out异常

selenium.common.exceptions.TimeoutException: Message: timeout: Timed out receiving message from renderer: 10.000

解决方法：

options = webdriver.ChromeOptions()options.add_argument('--headless')options.add_argument('start-maximized')options.add_argument('enable-automation')options.add_argument('--no-sandbox')options.add_argument('--disable-infobars')options.add_argument('--disable-dev-shm-usage')options.add_argument('--disable-browser-side-navigation')options.add_argument('--disable-gpu')driver = webdriver.Chrome(chrome_options=options)driver.set_window_size(1024, 768)driver.get_screenshot_as_file(STATIC_FOLDER + home_img_url)driver.close()

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