from page_objects import PageObject, PageElement
 from selenium import webdriver

 class LoginPage(PageObject):
        username = PageElement(id_='username')
        password = PageElement(name='password')
        login = PageElement(css='input[type="submit"]')

 driver = webdriver.PhantomJS()
 driver.get("http://example.com")
 page = LoginPage(driver)
 page.username = 'secret'
 page.password = 'squirrel'
 assert page.username.text == 'secret'
 page.login.click()