async def main(): await asyncio.gather(async_hello_world(), async_hello_world(), async_hello_world()) now = time.time() # run 3 async_hello_world() coroutine concurrently asyncio.run(main()) print(f"Total time for running 3 coroutine: {time.time() - now}") import time def normal...
async def main(): print("Hello main before") await asyncio.sleep(1) print(await print_message()) print("Hello main after") # 启动并运行main协程,直到其完成 asyncio.run(main()) # 对于低版本或者需要手动管理事件循环的情况 async def createTask(): # 创建并调度任务 task1 = asyncio.create_t...
asyncdefmain(): task1 = asyncio.create_task(long_running_task("Task 1")) task2 = asyncio.create_task(long_running_task("Task 2")) # 等待所有任务完成 awaittask1 awaittask2 print("All tasks completed") if__name__ =="__main__": # 启动事件循环并运行主函数 asyncio.run(main()) 在...
asyncdefhello():print('enter hello ...')return'return world ...'if__name__ =="__main__": ret = run(hello())print(ret) ret = run(hello())直接调用run,参数是用户函数hello(),我们看下run的源码 defrun(main): loop =get_event_loop()returnloop.run_until_complete(main) loop = get_...
|># python3 main.py enter hello ... return world ... 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 来看下造的轮子的使用方式: ▶ more main.py from wilsonasyncio import run async def hello(): print('enter hello ...') ...
async defcount():print("One")await asyncio.sleep(1)print("Two")async defmain():await asyncio.gather(count(),count(),count())asyncio.run(main()) 上面脚本中,在 async 函数main的里面,asyncio.gather()方法将多个异步任务(三个count())包装成一个新的异步任务,必须等到内部的多个异步任务都执行结束...
# main coroutineasyncdefmain():# start executing a commandina subprocess process=awaitasyncio.create_subprocess_exec('echo','Hello World')# report the detailsofthe subprocessprint(f'subprocess: {process}')# entry point asyncio.run(main()) ...
async def main(): tasks = [] for i in range(100): tasks.append(asyncio.create_task(get_number(i))) numbers = await asyncio.gather(*tasks) print(numbers) if __name__ == '__main__': asyncio.run(main()) 1. 2. 3. 4.
path,'r')asfile:returnawaitfile.read()asyncdefread_all_async(filepaths):tasks=[read_file_async(filepath)forfilepathinfilepaths]returnawaitasyncio.gather(*tasks)# 运行异步函数asyncdefmain():filepaths=['file1.txt','file2.txt']data=awaitread_all_async(filepaths)print(data)asyncio.run(main()...
import asyncio import time async def async_test(delay:int,content): await asyncio.sleep(delay) print(content) if __name__ == '__main__': print(f"start at {time.strftime('%X')}") asyncio.run(asyncio.wait([async_test(1,"lady"),async_test(2,"killer")])) print(f"end at {time...