删除过期文件

# -*- coding:utf-8 -*- #

import os
import time
import sys


def del_expire_file(file_path,expire_day):
    if not os.path.isdir(file_path):
        print("{} is not exist".format(file_path))
        sys.exit(2)
        
    expire_time = time.time() - expire_day * 24 * 3600
    
    os.chdir(file_path)

    for file_name in os.listdir(file_path):
        if os.path.isfile(file_name):
            if os.path.getmtime(file_name) < expire_time:
                #正式执行前先屏蔽remove，print输出观察是否符合预期，避免误删除
                print("need remove {}".format(os.path.join(file_path,file_name)))
                #os.remove(file_name)
                
            
if __name__=='__main__':
    file_path = r'/home/xiaodongl/test'
    expire_day = 1
    del_expire_file(file_path,expire_day)