Python 从字典创建 dateutil.relativedelta.relativedelta object 的方法

Python method to create a dateutil.relativedelta.relativedelta object from a dict

我正在使用以下方法创建标题中所述的 object:

from dateutil import relativedelta

MA_dict = {'years': 0,
         'months': 0,
         'weeks': 0,
         'days': 1,
         'hours': 0,
         'minutes': 0,
         'seconds': 0}


def dict2relativedelta(dict):
    '''
    creates relativedelta variable that can be used to calculate dates
    '''
    dt = relativedelta.relativedelta(years=dict['years'], months=dict['months'], weeks=dict['weeks'], days=dict['days'],
                                     hours=dict['hours'], minutes=dict['minutes'], seconds=dict['seconds'])
    return dt

但是,我想简化这个,这样我就可以通过

MA_dict = {'days': 1}

与函数return相同。我该怎么做?

您不需要为此使用特殊函数,因为 Python 具有使用 ** 运算符解包的参数。您可以通过以下方式完成您想要的:

MA_dict = {"days": 1}
rd = relativedelta.relativedelta(**MA_dict)