utils.py 文件源码

def to_boolean(choice, default=False):
    """Convert the yes/no to true/false

    :param choice: the text string input
    :type choice: string
    """
    if type(choice) == types.BooleanType:
        return choice
    valid = {"True":  True,  "true": True, "yes":True, "ye":True, "y":True,
             "False":False, "false":False,  "no":False, "n":False}
    choice_lower = choice.lower()
    if choice_lower in valid:
        return valid[choice_lower]
    return default