python - 计算两个 datetime.date() 日期之间的年月差

Question

我想计算两个 datetime.date() 日期之间的年月差。

例如；

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

期望的结果:

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

谢谢。

Answer 1

如果您能够安装出色的dateutil包，你可以这样做:

>>> 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'