有些网站的WebServer对User-Agent有限制，可能会拒绝不熟悉的User-Agent的访问，所以，写Web自动化代码可能需要将User-Agent稍微伪装一下，否则可能会被拒绝访问。这里简单记录一下Selenium中使用PhantomJS，设置User-Agent的方法。
默认情况下，是没有自动设置User-Agent的；设置PhantomJS的user-agent，是要设置“phantomjs.page.settings.userAgent”这个desired_capability.
Python代码如下：
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''' Created on Dec 6, 2013 @author: Jay @summary: Set user-agent before using PhantomJS to get a web page. ''' from selenium import webdriver from selenium.webdriver.common.desired_capabilities import DesiredCapabilities dcap = dict(DesiredCapabilities.PHANTOMJS) dcap["phantomjs.page.settings.userAgent"] = ( "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:25.0) Gecko/20100101 Firefox/25.0 " ) driver = webdriver.PhantomJS(executable_path='./phantomjs', desired_capabilities=dcap) driver.get("http://dianping.com/") cap_dict = driver.desired_capabilities for key in cap_dict: print '%s: %s' % (key, cap_dict[key]) print driver.current_url driver.quit |
执行该脚本打印的输出结果如下：
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jay@Jay-Air:~/workspace/python_study/dp/qa/2013/12 $python user_agent_phantomjs.py rotatable: False takesScreenshot: True acceptSslCerts: False browserConnectionEnabled: False javascriptEnabled: True driverVersion: 1.0.3 databaseEnabled: False locationContextEnabled: False platform: mac-unknown-32bit browserName: phantomjs version: 1.9.1 driverName: ghostdriver nativeEvents: True phantomjs.page.settings.userAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:25.0) Gecko/20100101 Firefox/25.0 applicationCacheEnabled: False webStorageEnabled: False proxy: {u'proxyType': u'direct'} handlesAlerts: False cssSelectorsEnabled: True http://www.dianping.com/citylist |