Python 2.7 多进程结合多线程实现文件传输示例

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
 @Time : 2018/10/24
 @Author : LiuXueWen
 @Site : 
 @File : transfer.py
 @Software: PyCharm
 @Description: 
"""

import os
import traceback
import threading
from multiprocessing import Pool
from multiprocessing.dummy import Pool as ThreadPool


# 兼容python2.7上多线程的bug，不加上下面的反代理程序不能正常执行
def proxy(cls_instance, i):
 return cls_instance.multiprocess_thread(i)
def proxy2(cls_instance, i):
 return cls_instance.file_operation(i)

class file2transfer():
 # 多进程执行程序
 def multiprocessingTransferFiles(self):
  try:
   # 创建进程池
   p = Pool()
   //参数末尾必须加上逗号
   p.apply_async(proxy, args=(self, self.root_path,))
   p.close()
   p.join()
  except Exception as e:
   print(e)

 # 每个进程下的多线程执行，线程数等于当前机器的核数
 def multiprocess_thread(self, root_path):
  try:
   # 创建线程锁
   lock = threading.RLock()
   lock.acquire()
   # 获取每个文件
   for pfile in os.listdir(root_path):
    # 获取文件的完整路径
    full_file_path = os.path.join(root_path, pfile)
    # 多线程读写文件
    p = ThreadPool()
    # 执行线程
    p.apply_async(proxy2, args=(self, full_file_path,))
    p.close()
    p.join()
  except Exception as e:
   print(e)
  finally:
   # 释放线程锁
   lock.release()

 # 对每个文件夹下的每个文件进行操作
 def file_operation(self, full_file_path):
  try:
   // TODO 真正需要单独执行的操作
   pass
  except Exception as e:
   print(e)