python webdriver关键字框架

关键字框架推荐使用eval，不使用exec

eval()函数有返回值，exec()函数无返回值

teststep.txt

open||chrome
visit||https://www.126.com
click||switchAccountLogin
sleep||3

主程序脚本

keyword.py

#encoding=utf-8
from selenium import webdriver
import time

with open("teststep.txt") as fp:
    teststeps = fp.readlines()

driver = ""

def open(browser_name):
    global driver
    if "ie" in browser_name:
        driver = webdriver.Ie(executable_path = "e:\IEDriverServer")
    elif "chrome" in browser_name:
        driver = webdriver.Chrome(executable_path = "e:\chromedriver")
    else:
        driver = webdriver.Firefox(executable_path = "e:\geckodriver")

def visit(url):
    global driver
    driver.get(url)

def click(id):
    try:
        driver.find_element_by_id(id).click()
    except:
        print("click fail!")
        raise

def sleep(times):
    time.sleep(int(times))

for teststep in teststeps:
    action = teststep.split("||")[0]      #action = "open"
    value=  teststep.split("||")[1].strip() #value= "chrome"
    try:
        command = "%s("%s")" %(action,value) # 拼接函数func(参数1,参数2)"open("chrome")"
        eval(command)   #利用eval()执行函数  open("chrome") 
    except:
        print("执行",command,"有异常")

print ("DONE!")