计算两个日期时间的差

Question

在处理Odoo10时，我需要计算datetime类型的两个字段之间的差异，start和finish，我需要以分钟为单位计算差值。我该怎么做呢？在

Answer 1

试试这个例子：

from dateutil.relativedelta import relativedelta

@api.one 
@api.depends('start_field','finish_field')
def _total_minutes(self):
    if self.start_field and self.finish_field:
        start_dt = fields.Datetime.from_string(self.start_field)
        finish_dt = fields.Datetime.from_string(self.finish_field)
        difference = relativedelta(finish_dt, start_dt)
        days = difference.days
        hours = difference.hours
        minutes = difference.minutes
        seconds = 0