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
async def main(): task1 = asyncio.create_task(a()) task2 = asyncio.create_task(b()) print("准备开始") await task1 print("task1 结束") await task2 print("task2 结束") if __name__ == "__main__": start = time.perf_counter() asyncio.run(main()) print('花费 {} s'.forma...
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 ...') ...
# 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 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...
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.
asyncio.run(main(['url_1','url_2']))# 协程接口print("Cost {} s".format(time.perf_counter()-start)) 使用Task实现异步 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # 异步实现importasyncioimporttimeasyncdefcrawl_page(url):print('crawling {}'.format(url))sleep_time=int(url.split(...
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...