通过识别标题处理弹出窗口

# -*- coding:utf-8 -*-
"""
通过标题识别处理弹出窗口
"""
from selenium import webdriver

driver = webdriver.Firefox()
driver.get(r'F:电子书seleniumSelenium Testing Tools Cookbook(中文)demowindow.html')

#获得父窗口句柄
parentWindowId = driver.current_window_handle

driver.find_element_by_id('helpbutton2').click()

#获取所有窗口的句柄
allWindowsId = driver.window_handles

for windowId in allWindowsId:
    driver.switch_to_window(windowId)
    if driver.title == 'PopUpWindow':
        #driver.switch_to_window(windowId)
        break
print driver.title
assert 'PopUpWindow', driver.find_element_by_tag_name('p').text