测试脚本中的等待方法：

from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
driver = webdriver.Firefox()
driver.get("http://www.baidu.com")
driver.find_element_by_id("kw").send_keys("麦子学院")
#设置等待时间：
driver.implicitly_wait(5)
# driver.find_element_by_id("kw1")
#打印WebDriverWait的帮助信息：
print(help(WebDriverWait))
#定义获取等待时间功能：
def get_ele_times(driver,times,func):
    return WebDriverWait(driver,times).until(func)

login_text = "登录"
account = "maizi_test@139.com"
pwd = "abc123456"

#定义登录测试功能：
def login_test():
    d = webdriver.Firefox()
    d.get("http://www.baidu.com")
    d.maximize_window()
    #等待时间函数功能运行：
    ele_login = get_ele_times(d,10,lambda d:d.find_element_by_link_text(login_test))
    ele_login.click()
    account_ele = d.find_element_by_id ( "id_account_l" )
    account_ele.clear ()
    account_ele.send_keys ( account )
    pwd_ele = d.find_element_by_id ( "id_password_l" )
    pwd_ele.clear ()
    pwd_ele.send_keys ( pwd )
    d.find_element_by_id ( "login_btn" ).click ()
    try:
        d.find_elements_by_link_text ( "该账号格式不正确！" )
        print ( "Account And Pwd Error!" )
    except:
        print ( "Account And Pwd Right!" )
    d.quit()
if __name__ == '__main__':
    login_test ()