如何在python中使用selenium的示例
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最近基于selenium写了一个python小工具,记录下学习记录,自己运行的环境是Ubuntu 14.04.4,Python 2.7,Chromium 49.0,ChromeDriver 2.16 selenium简介 selenium提供了一个通用的接口,可模拟用户来操作浏览器,比如用于自动化测试等. selenium的核心是WebDriver,它提供了一组接口,这些接口能够操作各种跨平台的浏览器.各大浏览器厂商. 各大浏览器厂商也支持Selenium,将其作为浏览器的一部分. selenium工具集提供了WebDriver,Selenium IDE,Selenium-Grid等 Selenium 1.0 + WebDriver = Selenium 2.0 Selenium WebDriver是Selenium Remote Control(Selenium-RC)的继承者.
selenium基本使用 selenium运行需要什么 主要包括三部分:selenium selenium,浏览器driver,浏览器selenium selenium是一组通用的接口,而不同的浏览器提供其自身的driver(大部分是官方的),浏览器则被模拟控制操作的终端. 安装 pip install selenium --upgrade apt-get install chromium-browser wget http://chromedriver.storage.googleapis.com/2.10/chromedriver_linux`getconf LONG_BIT`.zip unzip chromedriver_linux32.zip cp chromedriver /usr/local/share chmod +x /usr/local/share/chromedriver ln -s /usr/local/share/chromedriver /usr/local/bin/chromedriver ln -s /usr/bin/chromedriver /usr/local/share/chromedriver 简单的使用
from selenium import webdriver
driver = webdriver.Chrome('/usr/local/bin/chromedriver')
driver.get('http://mail.sina.net');
print(driver.title)
API使用 可参考/usr/local/lib/python2.7/dist-packages/selenium Chrome WebDriver 复制代码 代码如下: selenium.webdriver.chrome.webdriver.WebDriver(executable_path='chromedriver',port=0,chrome_options=None,service_args=None,desired_capabilities=None,service_log_path=None) ChromeOptions 可以通过ChromeDriver session配置ChromeDriver session ChromeDriverconvenient methods for setting ChromeDriver-specific capabilities
from selenium.webdriver.chrome.options import Options
chrome_options = Options()
chrome_options.add_argument("--disable-extensions")
chrome_options.add_argument('--disable-logging')
chrome_options.add_experimental_option('prefs',{'download.default_directory':
'/tmp'})
chrome_options.binary_location='/usr/bin/chromium-browser'
driver = webdriver.Chrome(chrome_options=chrome_options)
直接使用DesiredCapabilities ChromeOptions是构建在DesiredCapabilities之上的,为了使用DesiredCapabilities,必须知道capability的Key/value对.
chrome_options = Options()
capabilities={}
capabilities['platform'] = "WINDOWS"
capabilities['version'] = "10"
capabilities.update(chrome_options.to_capabilities())
driver = webdriver.Chrome(desired_capabilities=capabilities)
chromedriver运行方式 The ChromeDriver class不断的创建实例,会浪费很多的时间,可以通过两个方式解决. 使用ChromeDriverService
import selenium.webdriver.chrome.service as service
service = service.Service('/usr/bin/chromedrive')
service.start()
capabilities = { }
driver = webdriver.Remote(service.service_url,capabilities)
driver.get('http://mail.sina.net');
print(driver.title)
开启单独的ChromeDriver服务
./chromedriver
driver = webdriver.Remote('http://127.0.0.1:9515',DesiredCapabilities.CHROME)
driver.get('http://mail.sina.net');
RemoteWebDriverServer The RemoteWebDriver is composed of two pieces: a client and a server. The client is your WebDriver test and the server is simply a Java servlet,which can be hosted in any modern JEE app server. The server will always run on the machine with the browser you want to test.
wget http://selenium-release.storage.googleapis.com/2.53/selenium-server-standalone-2.53.0.jar
java -jar selenium-server-standalone-2.53.0.jar
from selenium import webdriver
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
driver = webdriver.Remote( command_executor='http://127.0.0.1:4444/wd/hub',des
desired_capabilities=DesiredCapabilities.CHROME)
driver.get('http://mail.sina.net');
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