def __add__(self, other):
if isinstance(other, Duration):
return Duration(months=self[0] + int(other[0]), days=self[1] + int(other[1]),
seconds=self[2] + int(other[2]), subseconds=nano_add(self[3], other[3]))
if isinstance(other, timedelta):
return Duration(months=self[0], days=self[1] + int(other.days),
seconds=self[2] + int(other.seconds),
subseconds=nano_add(self[3], other.microseconds / 1000000))
return NotImplemented
def __floordiv__(self, other):
if isinstance(other, int):
return Duration(months=int(self[0] // other),
days=int(self[1] // other),
seconds=int(nano_add(self[2], self[3]) // other),
subseconds=0)
return NotImplemented
def __mod__(self, other):
if isinstance(other, int):
seconds, subseconds = symmetric_divmod(
nano_add(self[2], self[3]) % other, 1)
return Duration(months=round_half_to_even(self[0] % other),
days=round_half_to_even(self[1] % other),
seconds=seconds,
subseconds=subseconds)
return NotImplemented