python基于base64加密解密文件

#! /usr/bin/python# encoding : utf-8import base64def encry(cnf_org):    f_org = open(cnf_org,'r')    content = f_org.read()    content1 = content.encode(encoding='utf-8')    content2 = base64.b64encode(content1)    f_org.close()    with open(cnf_org,'wb+') as f_org:        f_org.write(content2)def deci(cnf_now):    f_now = open(cnf_now,'r')    content = f_now.read()    content1 = base64.b64decode((content))    with open(cnf_now,'wb+') as f_now:        f_now.write(content1)if __name__ == '__main__':    f_org ='E:/applog/log.cnf'    encry(f_org)