import os
import multiprocessing
def copy_file(q,file_name, old_folder_name, new_folder_name):
  """完成文件的復(fù)制"""
  old_f = open(old_folder_name+"/"+file_name, "rb")
  content = old_f.read()
  old_f.close()
  new_f = open(new_folder_name+"/"+file_name, "wb")
  new_f.write(content)
  new_f.close()
  # print("從%s--->到%s 復(fù)制文件%s成功！" % (old_folder_name, new_folder_name, file_name))
  q.put(file_name)
def main():
  # 1.獲取用戶要copy的文件夾名稱
  old_folder_name = input("請(qǐng)輸入要copy的文件夾：")
  # 2.創(chuàng)建一個(gè)新的文件夾
  try:
    new_folder_name = old_folder_name + "復(fù)件"
    os.mkdir(new_folder_name)
  except:
    pass
  # 3.獲取所有待copy的文件名稱 listdir()
  file_names = os.listdir(old_folder_name)
  print(file_names)
  # 4.創(chuàng)建進(jìn)程池
  po = multiprocessing.Pool(2)
  # 5.創(chuàng)建一個(gè)隊(duì)列
  q = multiprocessing.Manager().Queue()
  # 6.向進(jìn)程池中添加copy文件的任務(wù)
  for file_name in file_names:
    po.apply_async(copy_file, args=(q,file_name, old_folder_name, new_folder_name))
  po.close()
  # po.join()
  all_file_num = len(file_names) # 統(tǒng)計(jì)所有的文件個(gè)數(shù)
  copy_ok_num = 0
  while True:
    file_name = q.get()
    # print("已經(jīng)完成copy ：%s" % file_name)
    copy_ok_num += 1
    print("\r復(fù)制的進(jìn)度為：%.2f %%" % (copy_ok_num*100/all_file_num),end='')
    if copy_ok_num >= all_file_num:
      break
if __name__ == '__main__':
  main()