Python Password Generator

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Active State adlı sitede gözüme çarpan "Password Generator" scripti.

!/usr/bin/env python

""" A simple script for making random passwords, WITHOUT 1,l,O,0. Because those characters are hard to tell the difference between in some fonts.

"""

#Import Modules
import sys
from random import Random
rng = Random()

righthand = '23456qwertasdfgzxcvbQWERTASDFGZXCVB'
lefthand = '789yuiophjknmYUIPHJKLNM'
allchars = righthand + lefthand
try:
passwordLength = int(sys.argv[1])
except:
#user didn't specify a length.  that's ok, just use 8
passwordLength = 8
try:
alternate_hands = sys.argv[2] == 'alt'
if not alternate_hands:
print "USAGE:"
print sys.argv[0], "[length of password]",
print "[alt (if you want the password to alternate hands]"
except:
alternate_hands = False
for i in range(passwordLength):
if not alternate_hands:
sys.stdout.write( rng.choice(allchars) )
else:
if i%2:
sys.stdout.write( rng.choice(lefthand) )
else:
sys.stdout.write( rng.choice(righthand) )

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