本文实例讲述了Python生成密码库功能。分享给大家供大家参考,具体如下:
这个代码是将字符的所有组合添加到一个文件中,可以设置密码的最大长度,我这里设置的是8位,但是要有心里准备,生成的文件特别大。。。
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lshuai<---~---> bc
bc 1.06.95
Copyright 1991-1994, 1997, 1998, 2000, 2004, 2006 Free Software Foundation, Inc.
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty'.
(95*2+95^2*3+95^3*4+95^4*5+95^5*6+95^6*7+95^7*8+95^8*9)/1024/1024/1024
56132395
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下面是python的代码:
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#!/usr/bin/python
import string
letters = string.letters + string.digits + string.punctuation
length = len (letters)
fwrite = open ( "/tmp/genpass.txt" , "wt" )
fread = open ( "/tmp/genpass.txt" , "r" )
for num in xrange ( 8 ):
for times in xrange (length * * num):
line = fread.read(num + 1 ).rstrip()
for letter in letters:
fwrite.write(line + letter + "\n" )
fwrite.flush()
fwrite.close()
fread.close()
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希望本文所述对大家Python程序设计有所帮助。