#!/usr/bin/env python
import string
from time import time
from itertools import chain
from random import seed, choice, sample
def mkpasswd(length=8, digits=2, upper=2, lower=2):
"""Create a random password
Create a random password with the specified length and no. of
digit, upper and lower case letters.
:param length: Maximum no. of characters in the password
:type length: int
:param digits: Minimum no. of digits in the password
:type digits: int
:param upper: Minimum no. of upper case letters in the password
:type upper: int
:param lower: Minimum no. of lower case letters in the password
:type lower: int
:returns: A random password with the above constaints
:rtype: str
"""
seed(time())
lowercase = string.lowercase.translate(None, "o")
uppercase = string.uppercase.translate(None, "O")
letters = "{0:s}{1:s}".format(lowercase, uppercase)
password = list(
chain(
(choice(uppercase) for _ in range(upper)),
(choice(lowercase) for _ in range(lower)),
(choice(string.digits) for _ in range(digits)),
(choice(letters) for _ in range((length - digits - upper - lower)))
)
)
return "".join(sample(password, len(password)))
print mkpasswd()
print mkpasswd(12)
print mkpasswd(digits=3)
print mkpasswd(12, upper=4)
Diff to Previous Revision
--- revision 2 2013-02-23 17:00:52
+++ revision 3 2013-07-31 23:23:02
@@ -1,52 +1,52 @@
-#!/usr/bin/env python
-
-import string
-from time import time
-from itertools import chain
-from random import seed, choice, shuffle
-
-
-def mkpasswd(length=8, digits=2, upper=2, lower=2):
- """Create a random password
-
- Create a random password with the specified length and no. of
- digit, upper and lower case letters.
-
- :param length: Maximum no. of characters in the password
- :type length: int
-
- :param digits: Minimum no. of digits in the password
- :type digits: int
-
- :param upper: Minimum no. of upper case letters in the password
- :type upper: int
-
- :param lower: Minimum no. of lower case letters in the password
- :type lower: int
-
- :returns: A random password with the above constaints
- :rtype: str
- """
-
- seed(time())
-
- lowercase = string.lowercase.translate(None, "o")
- uppercase = string.uppercase.translate(None, "O")
- letters = "{0:s}{1:s}".format(lowercase, uppercase)
-
- password = list(
- chain(
- (choice(uppercase) for _ in range(upper)),
- (choice(lowercase) for _ in range(lower)),
- (choice(string.digits) for _ in range(digits)),
- (choice(letters) for _ in range((length - digits - upper - lower)))
- )
- )
-
- return "".join(sample(password, len(password)))
-
-
-print mkpasswd()
-print mkpasswd(12)
-print mkpasswd(digits=3)
-print mkpasswd(12, upper=4)
+#!/usr/bin/env python
+
+import string
+from time import time
+from itertools import chain
+from random import seed, choice, sample
+
+
+def mkpasswd(length=8, digits=2, upper=2, lower=2):
+ """Create a random password
+
+ Create a random password with the specified length and no. of
+ digit, upper and lower case letters.
+
+ :param length: Maximum no. of characters in the password
+ :type length: int
+
+ :param digits: Minimum no. of digits in the password
+ :type digits: int
+
+ :param upper: Minimum no. of upper case letters in the password
+ :type upper: int
+
+ :param lower: Minimum no. of lower case letters in the password
+ :type lower: int
+
+ :returns: A random password with the above constaints
+ :rtype: str
+ """
+
+ seed(time())
+
+ lowercase = string.lowercase.translate(None, "o")
+ uppercase = string.uppercase.translate(None, "O")
+ letters = "{0:s}{1:s}".format(lowercase, uppercase)
+
+ password = list(
+ chain(
+ (choice(uppercase) for _ in range(upper)),
+ (choice(lowercase) for _ in range(lower)),
+ (choice(string.digits) for _ in range(digits)),
+ (choice(letters) for _ in range((length - digits - upper - lower)))
+ )
+ )
+
+ return "".join(sample(password, len(password)))
+
+
+print mkpasswd()
+print mkpasswd(12)
+print mkpasswd(digits=3)
+print mkpasswd(12, upper=4)
