INNER CODE UNIT · Python

once

MichielMe/fastscheduler · src/fastscheduler/main.py:206

    def once(self, delay: Union[int, float]) -> OnceScheduler:
        """Schedule a one-time task."""
        scheduler = OnceScheduler(self, delay)
        scheduler._decorator_mode = True
        return scheduler

    def at(self, target_time: Union[datetime, str]) -> OnceScheduler:
        """Schedule a task at a specific datetime."""
        if isinstance(target_time, str):
            target_time = datetime.strptime(target_time, "%Y-%m-%d %H:%M:%S")

        delay = (target_time - datetime.now()).total_seconds()
        if delay < 0:
            raise ValueError("Target time is in the past")

        scheduler = OnceScheduler(self, delay)
        scheduler._decorator_mode = True
        return scheduler

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