使用：

    mkpass -l [password length] [-nu|-nl|-ns]

获取帮助：

    mkpass -h

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1. #!/usr/bin/env python3
   
2. # _*_coding:utf–8_*_
3. # Auth by raysuen
5. import sys,string,re
6. import random
8. class MakePass(object):
9.     rPassInfo={
10.         “Length”:8,
11.         “NoUpper”:False,
12.         “NoLower”:False,
13.         “NoSysbol”:False
14.            }
15.     def __init__(self,passlen=8,nu=False,nl=False,ns=False):
16.         if passlen != 8:
17.             self.rPassInfo[“Length”] = passlen
18.         if nu == True:
19.             self.rPassInfo[“NoUpper”] = True
20.         if nl == True:
21.             self.rPassInfo[“NoLower”] = True
22.         if ns == True:
23.             self.rPassInfo[“NoSysbol”] = True
25.     def MkPass(self):
26.         rPassStr={
27.             “passStr”:”,
28.             “AllChar”:[],
29.             “pwIndex”:[],
30.             “num”:0
31.         }
32.         if self.rPassInfo[“NoUpper”] == False:
33.             rPassStr[“AllChar”].append(random.choice(string.ascii_uppercase))
34.             rPassStr[“passStr”] = rPassStr[“passStr”]+”.join(string.ascii_lowercase)
35.             rPassStr[“num”] += 1
36.         if self.rPassInfo[“NoLower”] == False:
37.             rPassStr[“AllChar”].append(random.choice(string.ascii_lowercase))
38.             rPassStr[“passStr”] = rPassStr[“passStr”] + ”.join(string.ascii_lowercase)
39.             rPassStr[“num”] += 1
40.         if self.rPassInfo[“NoSysbol”] == False:
41.             rPassStr[“AllChar”].append(random.choice(“!@#$%&*()+.,”))
42.             rPassStr[“passStr”] = rPassStr[“passStr”] + “!@#$%&*()+.,”
43.             rPassStr[“num”] += 1
44.         rPassStr[“passStr”] = rPassStr[“passStr”] + ”.join(string.digits)
45.         rPassStr[“AllChar”].append(random.choice(string.digits))
46.         rPassStr[“num”] += 1
48.         rPassStr[“pwIndex”].extend(random.sample(range(1,self.rPassInfo[“Length”]),rPassStr[“num”]))
49.         rPassStr[“pwIndex”].sort()
51.         n = 0
52.         i = 0
53.         res = ”
54.         while i < self.rPassInfo[“Length”]:
55.             isMatch = False
56.             for j in rPassStr[“pwIndex”]:
57.                 if i == j:
58.                     res = res + ”.join(rPassStr[“AllChar”][n])
59.                     n += 1
60.                     i += 1
61.                     isMatch = True
62.                     break
63.             if isMatch == False:
64.                 res = res + ”.join(random.choice(rPassStr[“passStr”]))
65.                 i += 1
67.         return res
69. def func_help():
70.     print(“”“
    
71.         Name:
72.             mkpass –make password
73.         
74.         Synopsis:
75.             mkpass -l [password length] [-nu|-nl|-ns]
76.             
77.         Description:
78.             -l Specify a number for the length of password,defaul 8
79.             -nu Don’t use upper
80.             -nl Don’t use lower
81.             -ns Don’t use special character
82.             -h Get help
83.     ““”)
86. if __name__==‘__main__’:
87.     i = 1
88.     mp = MakePass()
89.     while i < len(sys.argv):
90.         if sys.argv[i] == ‘-l’: #–l means length
91.             if i+1 > len(sys.argv):
92.                 print(“The value of -l must be specified!!!”)
93.                 exit(1)
94.             elif re.match(“^-“, sys.argv[i+1]) != None: #判断下个参数是否以–开头
95.                 print(“The value of -l must be specified!!!”)
96.                 exit(1)
97.             elif sys.argv[i+1].isdecimal() == False: #判断–l下一个参数是否为数字
98.                 print(“The value of -l must be digits”)
99.                 exit(1)
100.             i += 1
101.             mp.rPassInfo[“Length”] = int(sys.argv[i]) #获取–l参数的value
102.         elif sys.argv[i] == ‘-nu’: #–nu 指定不适用大写字符
103.             mp.rPassInfo[“NoUpper”] = True
104.         elif sys.argv[i] == ‘-nl’: #–nu 指定不适用小写字符
105.             mp.rPassInfo[“NoLower”] = True
106.         elif sys.argv[i] == ‘-ns’: #–nu 指定不适用特殊字符
107.             mp.rPassInfo[“NoSysbol”] = True
108.         elif sys.argv[i] == ‘-h’:
109.             func_help()
110.             exit(0)
111.         i += 1
112.     print(mp.MkPass())