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45 lines
954 B
Python
45 lines
954 B
Python
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import asyncio
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from abc import ABC, abstractmethod
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from asyncio import Task
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targets: list["Target"] = []
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class Target(ABC):
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_task: Task | None = None
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@property
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def task(self) -> Task:
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return self._task
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def __init__(self):
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targets.append(self)
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async def __async_init__(self) -> None:
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pass
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async def __async_del__(self) -> None:
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pass
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@abstractmethod
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async def run(self) -> None:
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pass
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async def _run(self) -> None:
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await self.__async_init__()
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await self.run()
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await self.__async_del__()
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async def run_in_background(self) -> Task:
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self._task = asyncio.create_task(self._run())
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return self._task
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async def waiting_for_done():
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task_list: list[Task] = []
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for target in targets:
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if target.task is not None and not target.task.done():
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task_list.append(target.task)
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await asyncio.gather(*task_list)
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