多任务文件夹拷贝

import os
from multiprocessing import pool
import multiprocessing


def copyfile(queue, file_name, old_folder_name, new_folder_name):
    # 拷贝文件的操作
    old_file = open(old_folder_name + "/" + file_name, "rb")
    content = old_file.read()
    old_file.close()
    new_file = open(new_folder_name + "/" + file_name, "wb")
    new_file.write(content)
    new_file.close()
    # 如果拷贝完了文件，就向队列中写入一个消息，表示已经完成
    queue.put(file_name)
    pass


def main():
    # 获取用户要copy的文件夹的名字
    old_folder_name = input("请输入要copy的文件夹的名字")
    # 创建一个新的文件夹
    try:
        new_folder_name = old_folder_name + "xin"
        os.mkdir(new_folder_name)
    except:
        pass
    # 获取文件夹的所有待copy的文件名字 listdir()
    filenames = os.listdir(old_folder_name)
    print(filenames)
    # 复制源文件夹中的文件，到新文件夹中去
    # 创建进程池
    po = multiprocessing.Pool(5)
    # 创建队列
    q = multiprocessing.Manager().Queue()
    # 向进程池中添加拷贝文件的任务
    for file_name in filenames:
        po.apply_async(copyfile, args=(q, file_name, old_folder_name, new_folder_name))

    po.close()
    # po.join()
    all_file_num = len(filenames)
    copy_file_num = 0
    while True:
        file_name = q.get()
        print("已经完成copy" + file_name)
        copy_file_num += 1
        print("\r拷贝的进度为%.2f%%" % (copy_file_num*100 / all_file_num),end="")
        print("")
        if copy_file_num == all_file_num:
            break


if __name__ == "__main__":
    main()

E:\python_project\NetWork\venv\Scripts\python.exe E:/python_project/NetWork/process/FileCopy.py
请输入要copy的文件夹的名字sss
['__init__.py']
已经完成copy__init__.py
拷贝的进度为100.00%

Process finished with exit code 0