计算两个datetime.date（）日期之间的差异，以年和月为单位 [英] calculate the difference between two datetime.date() dates in years and months

问题描述

我想计算两个datetime.date（）日期之间的差异，以年和月为单位。

I want to calculate the difference between two datetime.date() dates in years and months.

d1 = date(2001,5,1)  
d2 = date(2012,1,1)   
d3 = date(2001,1,1)   
d4 = date(2012,5,1)   


diff1 = d2 - d1  
diff2 = d4 - d3

所需结果：

diff1 == 10 years & 8 months. 
diff2 == 11 years & 4 months.

谢谢。

推荐答案

如果您能够安装出色的 dateutil 软件包，可以这样做： / p>

If you are able to install the excellent dateutil package, you can do this:

>>> from dateutil import relativedelta as rdelta
>>> from datetime import date
>>> d1 = date(2001,5,1)
>>> d2 = date(2012,1,1)
>>> rd = rdelta.relativedelta(d2,d1)
>>> "{0.years} years and {0.months} months".format(rd)
'10 years and 8 months'

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