utils.py

import datetime
import time


class EpochTime(int):
    @classmethod
    def now(cls):
        return cls(time.time())

    def add(self, seconds=0, minutes=0, hours=0, days=0):
        delta = seconds + minutes * 60 + hours * 3600 + days * 86400
        return EpochTime(self + delta)

    def to_datetime(self):
        return datetime.datetime.fromtimestamp(self)