from __future__ import annotations from typing import Any class Timeout(TimeoutError): # noqa: N818 """Raised when the lock could not be acquired in *timeout* seconds.""" def __init__(self, lock_file: str) -> None: super().__init__() self._lock_file = lock_file def __reduce__(self) -> str | tuple[Any, ...]: return self.__class__, (self._lock_file,) # Properly pickle the exception def __str__(self) -> str: return f"The file lock '{self._lock_file}' could not be acquired." def __repr__(self) -> str: return f"{self.__class__.__name__}({self.lock_file!r})" @property def lock_file(self) -> str: """:return: The path of the file lock.""" return self._lock_file __all__ = [ "Timeout", ]