Python 出现错误或异常后需要重新运行脚本

在出现“列表索引超出范围”错误或页面未加载并出现超时导致的错误或异常后，需要重新运行selenium python脚本。不，增加页面加载时间没有帮助，因为它会不断尝试加载。那么，如果脚本遇到问题，有没有办法让它自行停止并重新启动？

像这样

while True:
    try:
        <your script>
    except <error>:
        pass
    else:
        break

---

@凯文：你说得对。但这个问题不需要更多

def initiate_test_condition():
    """
    This should have the initial setup (Environment where your testcase to be tested)
    Example:
    * reopening your browser and 
    * kill all already opened browsers
    """
    pass

def test_case_flow():
    """
    write your selenium testing code
    """
    initiate_test_condition()
    try:
        """
        your testing code
        """     
        # if all code runs successfully
        return 1
    except Exception as error:
        print str(error)
        return 0


if __name__ == '__main__':
    total_rerun = 0
    while True:
        if total_rerun != 5 and total_rerun < 5:
            if test_case_flow():
                print "Looks like the code is passed :)"
                return or break
            else:
                total_rerun += 1
                print "Rerunning the code"
        else:
            print "Code Failed after rerunning %d times "  % total_rerun
            break