Created
April 27, 2017 05:22
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substract month from python datetime
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| def monthdelta(date, delta): | |
| m, y = (date.month+delta) % 12, date.year + ((date.month)+delta-1) // 12 | |
| if not m: m = 12 | |
| d = min(date.day, [31, | |
| 29 if y%4==0 and not y%400==0 else 28,31,30,31,30,31,31,30,31,30,31][m-1]) | |
| return date.replace(day=d,month=m, year=y) |
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