from time import localtime class timedelta: def __init__(self, days=0, seconds=0): self.days = days self.seconds = seconds def __repr__(self): return f"datetime.timedelta({self.days}, {self.seconds})" def check(self, other, class_type): if not isinstance(other, class_type): raise NotImplementedError("incompatible types / not implemented") def __eq__(self, other: 'timedelta') -> bool: self.check(other, timedelta) return (self.days, self.seconds) == (other.days, other.seconds) def __lt__(self, other: 'timedelta') -> bool: self.check(other, timedelta) return (self.days, self.seconds) < (other.days, other.seconds) def __le__(self, other: 'timedelta') -> bool: self.check(other, timedelta) return (self.days, self.seconds) <= (other.days, other.seconds) def __gt__(self, other: 'timedelta') -> bool: self.check(other, timedelta) return (self.days, self.seconds) > (other.days, other.seconds) def __ge__(self, other: 'timedelta') -> bool: self.check(other, timedelta) return (self.days, self.seconds) >= (other.days, other.seconds) class timezone: def __init__(self, delta: timedelta): self.delta = delta def __repr__(self): return f"datetime.timezone({self.delta})" class date: def __init__(self, year: int, month: int = None, day: int = None): self.year = year self.month = month self.day = day @staticmethod def today(): t = localtime() return date(t.tm_year, t.tm_mon, t.tm_mday) def check(self, other, class_type): if not isinstance(other, class_type): raise NotImplementedError("incompatible types / not implemented") def __eq__(self, other: 'date') -> bool: self.check(other, date) return (self.year, self.month, self.day) == (other.year, other.month, other.day) def __lt__(self, other: 'date') -> bool: self.check(other, date) return (self.year, self.month, self.day) < (other.year, other.month, other.day) def __le__(self, other: 'date') -> bool: self.check(other, date) return (self.year, self.month, self.day) <= (other.year, other.month, other.day) def __gt__(self, other: 'date') -> bool: self.check(other, date) return (self.year, self.month, self.day) > (other.year, other.month, other.day) def __ge__(self, other: 'date') -> bool: self.check(other, date) return (self.year, self.month, self.day) >= (other.year, other.month, other.day) def __str__(self): return f"{self.year}-{self.month:02}-{self.day:02}" def __repr__(self): return f"datetime.date({self.year}, {self.month}, {self.day})" class datetime(date): def __init__(self, year: int, month: int = None, day: int = None, hour: int = None, minute: int = None, second: int = None, tzinfo: timezone = None): super().__init__(year, month, day) # Validate and set hour, minute, and second if hour is not None and not 0 <= hour <= 23: raise ValueError("Hour must be between 0 and 23") self.hour = hour if minute is not None and not 0 <= minute <= 59: raise ValueError("Minute must be between 0 and 59") self.minute = minute if second is not None and not 0 <= second <= 59: raise ValueError("Second must be between 0 and 59") self.second = second self.tzinfo = tzinfo @staticmethod def now(): t = localtime() return datetime(t.tm_year, t.tm_mon, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec) def check(self, other, class_type): if not isinstance(other, class_type): raise NotImplementedError("incompatible types / not implemented") def __str__(self): return f"{self.year}-{self.month:02}-{self.day:02} {self.hour:02}:{self.minute:02}:{self.second:02}" def __repr__(self): return f"datetime.datetime({self.year}, {self.month}, {self.day}, {self.hour}, {self.minute}, {self.second})" def __eq__(self, other) -> bool: self.check(other, datetime) return (self.year, self.month, self.day, self.hour, self.minute, self.second) ==\ (other.year, other.month, other.day, other.hour, other.minute, other.second) def __lt__(self, other) -> bool: self.check(other, datetime) return (self.year, self.month, self.day, self.hour, self.minute, self.second) <\ (other.year, other.month, other.day, other.hour, other.minute, other.second) def __le__(self, other) -> bool: self.check(other, datetime) return (self.year, self.month, self.day, self.hour, self.minute, self.second) <=\ (other.year, other.month, other.day, other.hour, other.minute, other.second) def __gt__(self, other) -> bool: self.check(other, datetime) return (self.year, self.month, self.day, self.hour, self.minute, self.second) >\ (other.year, other.month, other.day, other.hour, other.minute, other.second) def __ge__(self, other) -> bool: self.check(other, datetime) return (self.year, self.month, self.day, self.hour, self.minute, self.second) >=\ (other.year, other.month, other.day, other.hour, other.minute, other.second) def timestamp(self) -> float: return self.now()