mirror of
https://github.com/firestar5683/StarPilot.git
synced 2026-07-05 13:32:05 +08:00
firestar5683
35 lines
826 B
Python
35 lines
826 B
Python
from __future__ import annotations
|
|
|
|
from abc import ABC, abstractmethod
|
|
from types import TracebackType
|
|
from typing import Optional, Type
|
|
|
|
|
|
class DisposableBase(ABC):
|
|
"""Disposable abstract base class."""
|
|
|
|
__slots__ = ()
|
|
|
|
@abstractmethod
|
|
def dispose(self) -> None:
|
|
"""Dispose the object: stop whatever we're doing and release all of the
|
|
resources we might be using.
|
|
"""
|
|
raise NotImplementedError
|
|
|
|
def __enter__(self) -> DisposableBase:
|
|
"""Context management protocol."""
|
|
return self
|
|
|
|
def __exit__(
|
|
self,
|
|
exctype: Optional[Type[BaseException]],
|
|
excinst: Optional[BaseException],
|
|
exctb: Optional[TracebackType],
|
|
) -> None:
|
|
"""Context management protocol."""
|
|
self.dispose()
|
|
|
|
|
|
__all__ = ["DisposableBase"]
|