ver_2.py 文件源码

def replace(self, hour=None, minute=None, second=None, microsecond=None, delta_hour=0, delta_minute=0, delta_second=0):
        if not self:
            return self.__class__._null_time
        old_hour, old_minute, old_second, old_micro = self.hour, self.minute, self.second, self.microsecond
        hour = (hour or old_hour) + delta_hour
        minute = (minute or old_minute) + delta_minute
        second = (second or old_second) + delta_second
        microsecond = microsecond or old_micro
        while not (0 <= hour < 24) or not (0 <= minute < 60) or not (0 <= second < 60):
            while second < 0:
                minute -= 1
                second = 60 + second
            while second > 59:
                minute += 1
                second = second - 60
            while minute < 0:
                hour -= 1
                minute = 60 + minute
            while minute > 59:
                hour += 1
                minute = minute - 60
            while hour < 1:
                hour = 24 + hour
            while hour > 23:
                hour = hour - 24
        return Time(hour, minute, second, microsecond)