create_task(coro(i)) for i in range(5)] done, pending = await asyncio.wait(tasks, return_when=FIRST_COMPLETED) print("---finish---") for i in done: print(i.result()) print("---pending---") for i in pending: print(i) asyncio.run(main()) 结果: hello coro0 hello coro1 ...
print(f"API request started {i}") await asyncio.sleep(1) # this could be an API call, or some other IO bound task print(f"API request completed {i}") async def run(): tasks = [] for i in range(10): tasks.append(asyncio.create_task(mock_api_request(i))) await asyncio.wait(...
aredis =awaitaioredis.create_redis('redis://localhost', loop=loop)ifawaitaredis.get('state') ==b'running':return"Please wait for current work to finish."else:awaitaredis.set('state','ready')ifawaitaredis.get('state') ==b'ready': loop.create_task(some_work()) body =''' work s...
task = asyncio.create_task(coro_1()) File"C:\Program Files\Python37\lib\asyncio\tasks.py", line324,in create_task loop = events.get_running_loop() RuntimeError: no running event loop 对以上代码稍作修改,创建main()方法,在其中创建Task对象,然后在主程序中利用asyncio.run()创建事件循环: 1 ...
():queue = asyncio.Queue()producer_task = asyncio.create_task(producer(queue))consumer_task = asyncio.create_task(consumer(queue))# Wait for the producer to finishawait producer_task# Signal the consumer to finishawait queue.put(None)# Wait for the consumer to finishawait consumer_taskasyncio...
import asyncio async def some_func(): await asyncio.sleep(2) print('Haha! Task keeps running!') await asyncio.sleep(2) async def cancel(task): await asyncio.sleep(1) task.cancel() async def main(): func_task = asyncio.ensure_future(some_func()) cancel_task = asyncio.ensure_future(...
Creates a group of coroutines and waits for them to finish """ coroutines = [download_coroutine(url) for url in urls] completed, pending = await asyncio.wait(coroutines) for item in completed: print(item.result()) if __name__ == '__main__': ...
然后在“asyncio/base_events.py”的“def _run_once（self）：“中添加断点。在第1842行的开头添加一...
asyncio.shield(task, loop=hass.loop), SLOW_SETUP_MAX_WAIT, loop=hass.loop)# Block till all entities are doneifself._tasks: pending = [taskfortaskinself._tasksifnottask.done()] self._tasks.clear()ifpending:awaitasyncio.wait( pending, loop=self.hass.loop) ...
代码语言:python 代码运行次数:1 复制 Cloud Studio代码运行 # create an executorwithThreadPoolExecutor()asexe:# execute a function in event loop using executorloop.run_in_executor(exe,task) 以上就是 Python 中asyncio库的基本使用方法,希望对你有所帮助。