importmultiprocessingimporttimedefprocess_func(name):print(f"Start process{name}")time.sleep(2)print(f"End process{name}")if__name__=="__main__":process=multiprocessing.Process(target=process_func,args=("A",))process.start()print("Main thread is waiting for process A to finish...")proc...
在父进程中,您可以使用os.wait()来等待子进程结束。这会返回子进程的PID和退出状态。 ifpid>0:print("Waiting for the child process to finish...")pid,status=os.wait()# 等待子进程结束print(f"Child process{pid}finished with exit status{status}.") 1. 2. 3. 4. 5. 获取子进程的退出状态 退...
[20:39:48] [Task-2] Running for 2s and finish! 下面,我们将 wait_for 的超时时间缩短到 1.5s 。 async def main(): ... try: await asyncio.wait_for(out_func(), timeout=1.5) except asyncio.TimeoutError: print(f'[{now()}] [{task.get_name()}] Timeout!') print('Not Cancelled ...
print(f'parent process {os.getpid()=}, child process {pid=}') return pid p = Process(target=lambda x: print(f'{os.getpid()=}: hello {x}'), args=('world',)) p.start() import time # wait for child process to finish time.sleep(1) 输出结果为: parent process os.getpid()=2263...
before the Python process exits to ensure any outstanding messages are delivered. Args: timeout (float): Maximum time to wait for the producer to complete the close operation, in seconds. If `None`, the method will block until the close is complete. ...
本文将和大家介绍 TaskTupleAwaiter 库，通过 TaskTupleAwaiter 库可以方便等待多个任务执行完成，且方便...
直接在google上搜索python mp3 process ,推荐比较多的就是这个第三方库了。先来看看官方介绍吧。 About eyeD3is a Python tool for working with audio files, specifically mp3 files containingID3metadata (i.e. song info). It provides a command-line tool (eyeD3) and a Python library (importeyed3) ...
p= Process(target=func, args=(i,), name="sub process name: [{}]".format(i)) p.start() processes.append(p)foriinprocesses: i.join()#还没来得及terminate就已经被主进程终止了print("print after all of sub process") 执行结果 我不在if main 当中,我在一个进程中只打印一次,我当前所在的进...
# Wait for both threads to finish programming_thread.join() progress_bar_thread.join() print('finished') 但由于我需要从不同的模块调用这一部分,我尝试这样实现它: main: import further_threading_test import tkinter as tk from tkinter import ttk ...
python代码文件转exe方法有三种,分别是cx_freeze,py2exe,PyInstaller,这三种方式各有千秋,本人只用过py2exe和cxfreeze,这里重点说明cxfreeze。