import datetime
from typing import Any

from dirty_equals import IsDatetime


def IsISODatetime(value: datetime.datetime) -> Any:
    return IsDatetime(approx=value, delta=0, iso_string=True)


def IsISODatetimeOrNone(value: datetime.datetime | None) -> Any:
    if value is None:
        return None
    return IsDatetime(approx=value, delta=0, iso_string=True)