def last_natural_occurrence(self, dt=None):
dt = date_now() if dt is None else dt
date_seconds = date_to_seconds(dt)
offset = self.offset if self.offset else epoch_date()
offset_seconds = date_to_seconds(offset)
return seconds_to_date(date_seconds - ((date_seconds - offset_seconds) % self.frequency_in_seconds))
def last_natural_occurrence(self, dt=None):
dt = date_now() if dt is None else dt
date_seconds = date_to_seconds(dt)
offset = self.offset if self.offset else epoch_date()
offset_seconds = date_to_seconds(offset)
return seconds_to_date(date_seconds - (
(date_seconds - offset_seconds) % self.frequency_in_seconds))
def __init__(self, frequency_in_seconds=None, offset=None):
self._frequency_in_seconds = frequency_in_seconds
self._offset = offset or epoch_date()
def __init__(self, frequency_in_seconds=None, offset=None):
self._frequency_in_seconds = frequency_in_seconds
self._offset = offset or epoch_date()
