pyhton2 and python3 生成隨機數字、字母、符號字典（用於撞庫測試/驗證碼等）

本文介紹Python3中String模塊ascii_letters和digits方法，其中ascii_letters是生成全部字母，從a-z和A-Z,digits是生成全部數字0-9.string.punctuation是全部標點'!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~'

String模塊中的常量：

string.digits：數字0~9

string.ascii_letters：全部字母（大小寫）

string.lowercase：全部小寫字母

string.printable：可打印字符的字符串

string.punctuation：全部標點

string.uppercase：全部大寫字母

>>> import string
>>> string.digits
'0123456789'
>>> string.letters
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
>>> string.lowercase
'abcdefghijklmnopqrstuvwxyz'
>>> string.printable
'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~ \t\n\r\x0b\x0c'
>>> string.punctuation
'!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~'
>>> string.uppercase
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'

#!/usr/bin/env python
# encoding: utf-8
#@author: jack
#@contact: 935650354@qq.com
#@site: https://www.cnblogs.com/jackzz
#@software: PyCharm


import threading
import queue
import random, string

class ThreadPool:
    def __init__(self, n):
        """
        構造一個指定數量線程的線程池.
        :param n: 線程數量
        """
        self.queue_obj = queue.Queue()
        for i in range(n):
            # 開啓池中的線程對象
            threading.Thread(target=self.worker, daemon=True).start()

    def worker(self):
        """
        線程對象, 寫while True是爲了可以一直去執行任務.
        :return: None
        """
        while True:
            func = self.queue_obj.get()
            func()
            self.queue_obj.task_done()

    def apply_async(self, func):
        """
        向隊列中傳入的須要執行的函數對象.
        :param func: 函數對象
        :return: None
        """
        self.queue_obj.put(func)

    def join(self):
        """
        等待隊列中的內容被取完.
        :return: None
        """
        self.queue_obj.join()


def rand_str(num, length=8):
    with open('pwd_dir.txt', 'w') as f:
        for i in range(num):
            chars = string.ascii_letters+string.digits+string.punctuation
            s = [random.choice(chars) for i in range(length)]
            s=set(s)
            f.write('{0}\n'.format(''.join(s)))
    f.close()


if __name__ == '__main__':
    P = ThreadPool(100)#不怕內存溢出的小夥伴往大了設，通常100個知足平常所需了
    P.apply_async(rand_str(200000000))#跑個2E個組合的字典
    P.join()
    
   

 

python2 方法1、

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import random
import string
#第一種方法
seed = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()_+=-"
sa = []
for i in range(8):
  sa.append(random.choice(seed))
salt = ''.join(sa)
print salt

方法2、

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import random
import string

salt = ''.join(random.sample(string.ascii_letters + string.digits, 8))
print salt