# encoding:utf-8 import base64 from string import maketrans OLD_STR = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" NEW_STR = "vSoajc7dRzpWifGyNxZnV5k+DH" def encode_demo(str_data): str_data = base64.b64encode(str_data) encode_tab = maketrans(OLD_STR, NEW_STR) return str_data.translate(encode_tab) def decode_demo(str_date): decode_tab = maketrans(NEW_STR, OLD_STR) str_date = str_date.translate(decode_tab) return base64.b64decode(str_date)