mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-12 01:00:29 +08:00
39 lines
837 B
Python
39 lines
837 B
Python
import types
|
|
|
|
from typing import Type
|
|
|
|
|
|
# =====
|
|
class RegionIsBusyError(Exception):
|
|
def __init__(self) -> None:
|
|
super().__init__("Performing another operation, please try again later")
|
|
|
|
|
|
class AioExclusiveRegion:
|
|
def __init__(self, exc_type: Type[RegionIsBusyError]) -> None:
|
|
self.__exc_type = exc_type
|
|
self.__busy = False
|
|
|
|
def is_busy(self) -> bool:
|
|
return self.__busy
|
|
|
|
def enter(self) -> None:
|
|
if not self.__busy:
|
|
self.__busy = True
|
|
return
|
|
raise self.__exc_type()
|
|
|
|
def exit(self) -> None:
|
|
self.__busy = False
|
|
|
|
def __enter__(self) -> None:
|
|
self.enter()
|
|
|
|
def __exit__(
|
|
self,
|
|
_exc_type: Type[BaseException],
|
|
_exc: BaseException,
|
|
_tb: types.TracebackType,
|
|
) -> None:
|
|
self.exit()
|