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使用：
    mkpass -l [password length] [-nu|-nl|-ns]
获取帮助：
    mkpass -h

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())

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