chatExcel

from __future__ import annotations import time __all__ = ["Deadline"] class Deadline: """ Manage timeouts across multiple steps. Args: timeout: Time available in seconds or :obj:`None` if there is no limit. """ def __init__(self, timeout: float | None) -> None: self.deadline: float | None if timeout is None: self.deadline = None else: self.deadline = time.monotonic() + timeout def timeout(self, *, raise_if_elapsed: bool = True) -> float | None: """ Calculate a timeout from a deadline. Args: raise_if_elapsed: Whether to raise :exc:`TimeoutError` if the deadline lapsed. Raises: TimeoutError: If the deadline lapsed. Returns: Time left in seconds or :obj:`None` if there is no limit. """ if self.deadline is None: return None timeout = self.deadline - time.monotonic() if raise_if_elapsed and timeout <= 0: raise TimeoutError("timed out") return timeout