text: 
  from selenium import webdriver
  
  from fixture.session import SessionHelper
  from fixture.group import GroupHelper
  from fixture.contact import ContactHelper
  
  class Application:
  
        def __init__(self,browser,base_url):
            if browser == "firefox":
                self.wd = webdriver.Firefox()
            elif browser == "chrome":
                self.wd = webdriver.Chrome()
            elif browser == "ie":
                self.wd = webdriver.Ie()
            else:
                raise ValueError("Unrecognized browser %s"% browser)
            self.wd.implicitly_wait(3)
            self.session = SessionHelper (self)
            self.group = GroupHelper (self)
            self.contact = ContactHelper(self)
            self.base_url =base_url
  
        def is_valid(self):
            try:
                self.wd.current_url
                return True
            except:
                return False
  
        def tearDown(self):
            self.wd.quit()
  
        def return_to_home_page(self):
            wd = self.wd
            # return to home page
            wd.find_element_by_link_text("home page").click()
  
        def open_home_page(self):
             wd = self.wd
             wd.get(self.base_url)
  
        def destroy(self):
            self.wd.quit()
  
  
  