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https://github.com/mofeng-git/One-KVM.git
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78 lines
3.0 KiB
Python
78 lines
3.0 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main Pi-KVM daemon. #
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# #
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# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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# ========================================================================== #
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import asyncio
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import functools
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import typing
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from typing import Callable
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from typing import Coroutine
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from typing import TypeVar
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from typing import Any
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# =====
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_AtomicF = TypeVar("_AtomicF", bound=Callable[..., Any])
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def atomic(method: _AtomicF) -> _AtomicF:
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@functools.wraps(method)
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async def wrapper(*args: Any, **kwargs: Any) -> Any:
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return (await asyncio.shield(method(*args, **kwargs)))
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return typing.cast(_AtomicF, wrapper)
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def tasked(method: Callable[..., Any]) -> Callable[..., asyncio.Task]:
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@functools.wraps(method)
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async def wrapper(*args: Any, **kwargs: Any) -> asyncio.Task:
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return create_short_task(method(*args, **kwargs))
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return typing.cast(Callable[..., asyncio.Task], wrapper)
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_ATTR_SHORT_TASK = "_aiotools_short_task"
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def create_short_task(coro: Coroutine) -> asyncio.Task:
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task = asyncio.create_task(coro)
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setattr(task, _ATTR_SHORT_TASK, True)
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return task
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async def gather_short_tasks() -> None:
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await asyncio.gather(*[
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task
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for task in asyncio.Task.all_tasks()
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if getattr(task, _ATTR_SHORT_TASK, False)
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])
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_RetvalT = TypeVar("_RetvalT")
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async def run_async(method: Callable[..., _RetvalT], *args: Any) -> _RetvalT:
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return (await asyncio.get_running_loop().run_in_executor(None, method, *args))
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def run_sync(coro: Coroutine[Any, Any, _RetvalT]) -> _RetvalT:
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return asyncio.get_event_loop().run_until_complete(coro)
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