tempora/schedule.py
def at_time(cls, at, target):
        """
        Construct a DelayedCommand to come due at `at`, where `at` may be
        a datetime or timestamp.
        """
        at = cls._from_timestamp(at)
        cmd = cls.from_datetime(at)
        cmd.delay = at - now()
        cmd.target = target
        return cmd
def at_time(cls, at, target):
        """
        Construct a DelayedCommand to come due at `at`, where `at` may be
        a datetime or timestamp.
        """
        at = cls._from_timestamp(at)
        cmd = cls.from_datetime(at)
        cmd.delay = at - now()
        cmd.target = target
        return cmd
Construct a DelayedCommand to come due at `at`, where `at` may be
        a datetime or timestamp.