def years_months_days(self):
"""
:return:
"""
years, months = symmetric_divmod(self[0], 12)
return years, months, self[1]
def __new__(cls,
years=0,
months=0,
weeks=0,
days=0,
hours=0,
minutes=0,
seconds=0,
subseconds=0,
milliseconds=0,
microseconds=0,
nanoseconds=0):
mo = int(12 * years + months)
if mo < MIN_INT64 or mo > MAX_INT64:
raise ValueError("Months value out of range")
d = int(7 * weeks + days)
if d < MIN_INT64 or d > MAX_INT64:
raise ValueError("Days value out of range")
s = (int(3600000000000 * hours) + int(60000000000 * minutes) +
int(1000000000 * seconds) + int(1000000000 * subseconds) +
int(1000000 * milliseconds) + int(1000 * microseconds) +
int(nanoseconds))
s, ss = symmetric_divmod(s, 1000000000)
if s < MIN_INT64 or s > MAX_INT64:
raise ValueError("Seconds value out of range")
return tuple.__new__(cls, (mo, d, s, ss / 1000000000))
def __add__(self, other):
if isinstance(other, timedelta):
t = self.to_clock_time() + ClockTime(86400 * other.days + other.seconds, other.microseconds * 1000)
days, seconds = symmetric_divmod(t.seconds, 86400)
date_ = Date.from_ordinal(days + 1)
time_ = Time.from_ticks(seconds + (t.nanoseconds / 1000000000))
return self.combine(date_, time_)
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
def add_months(d, months):
years, months = symmetric_divmod(months, 12)
year = d.__year + years
month = d.__month + months
while month > 12:
year += 1
month -= 12
while month < 1:
year -= 1
month += 12
d.__year = year
d.__month = month
def hours_minutes_seconds(self):
""" A 3-tuple of (hours, minutes, seconds).
"""
minutes, seconds = symmetric_divmod(self[2], 60)
hours, minutes = symmetric_divmod(minutes, 60)
return hours, minutes, float(seconds) + self[3]
