一个python高强度密码生成器,可以指定要生成的密码长度
from os import urandom from random import choice char_set = {'small': 'abcdefghijklmnopqrstuvwxyz', 'nums': '0123456789', 'big': 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'special': '^!\$%&/()=?{[]}+~#-_.:,;<>|\\' } def generate_pass(length=21): """Function to generate a password""" password = [] while len(password) < length: key = choice(char_set.keys()) a_char = urandom(1) if a_char in char_set[key]: if check_prev_char(password, char_set[key]): continue else: password.append(a_char) return ''.join(password) def check_prev_char(password, current_char_set): """Function to ensure that there are no consecutive UPPERCASE/lowercase/numbers/special-characters.""" index = len(password) if index == 0: return False else: prev_char = password[index - 1] if prev_char in current_char_set: return True else: return False if __name__ == '__main__': print generate_pass()