linux 下selenium chrome使用详解
安装chrome
wgethttps://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm yuminstall./google-chrome-stable_current_x86_64.rpm yuminstallmesa-libOSMesa-develgnu-free-sans-fontswqy-zenhei-fonts
安装chromedriver
淘宝源（推荐）
wgethttp://npm.taobao.org/mirrors/chromedriver/2.41/chromedriver_linux64.zip unzipchromedriver_linux64.zip movechromedriver/usr/bin/ chmod+x/usr/bin/chromedriver
编写selenium自动化脚本
#!/usr/bin/python
#-*-coding:utf-8-*-
importre,os
importjson
importtime
importrandom
importrequests
fromseleniumimportwebdriver
fromselenium.webdriverimportActionChains
fromselenium.webdriver.common.byimportBy
fromselenium.webdriver.common.keysimportKeys
fromselenium.common.exceptionsimportNoSuchElementException
fromselenium.webdriver.supportimportexpected_conditionsasEC
fromselenium.webdriver.support.waitimportWebDriverWait
fromselenium.webdriver.support.waitimportTimeoutException
fromselenium.webdriver.chrome.optionsimportOptions
fromselenium.webdriver.support.selectimportSelect
binary_location='/usr/bin/google-chrome'
chrome_driver_binary='/usr/bin/chromedriver'
chrome_options=Options()
chrome_options.binary_location=binary_location
chrome_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_binary
os.environ["webdriver.chrome.driver"]=chromedriver
BROWSER=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:
yumgroupinstallfonts
ubuntu:
sudoapt-getinstallttf-wqy-microheittf-wqy-zenheixfonts-wqy
踩到的坑二：
不能截图，抛timeout异常
selenium.common.exceptions.TimeoutException:Message:timeout:Timedoutreceivingmessagefromrenderer: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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