#encoding:utf-8
from multiprocessing import Pool, Manager
import os
def copyFileTask(name, oldFolderName, newFolderName, queue):
"完成copy一个文件的功能"
fr = open(oldFolderName + "/" + name)
fw = open(newFolderName + "/" + name, "w")
content = fr.read()
fw.write(content)
fr.close()
fw.close()
queue.put(name)
def main():
#0:获取要拷贝的文件夹的名字
oldFolderName = input("请输入文件夹的名字:")
#1:创建一个文件夹
newFolderName = oldFolderName + "-复件"
#print(newFolderName)
os.mkdir(newFolderName)
#2:获取old文件夹中的所有的文件名字
fileNames = os.listdir(oldFolderName) #返回值为一个列表
#print(fileNames)
#3:使用多进程的方式copy原文件夹中的所有文件到新的文件夹中
pool = Pool(5) #创建进程池,进程个数为5
queue = Manager().Queue()
for name in fileNames:
pool.apply_async(copyFileTask, args=(name, oldFolderName, newFolderName, queue))
num = 0
allNum = len(fileNames)
while num < allNum:
queue.get()
num += 1
copyRate = num/allNum
print("\rcopy的进度是:%.2f%%"%(copyRate*100), end = "")
print("\n已完成copy.....")
if __name__ == "__main__":
main()
python多进程拷贝文件
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转载自blog.csdn.net/duke10/article/details/79869694
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