#!/usr/bin/env python
# __copyright__ = Brandon Jackson
# __license__ = GPL v2
# This script evaluates passwords.
import getpass, string, sys
def testPassword():
password_too_short, password_needs_uppercase, password_needs_lowercase, password_needs_number = True, True, True, True
conditions_met = 1
conditions_messages = {0: 'Your password is very weak.', 1: 'Your password is weak.', 2: 'Your password is average.', 3: 'Your password is nice.', 4: 'Your password is awesome!'}
password = getpass.getpass("What's the password that you want to test?")
if password in open('common_passwords.txt').read(): #if the password is not in the commonly used passwords file...
print('Your password is common, therefore it is not safe at all.')
sys.exit()
if len(password) > 6: #if the password is greater than 6 characters...
conditions_met + 1
password_too_short = False
for char in password:
if char in string.ascii_uppercase: #if the password contains at least one uppercase letter...
conditions_met + 1
password_needs_uppercase = False
if char in string.ascii_lowercase: #if the password contains at least one lowercase letter...
conditions_met + 1
password_needs_lowercase = False
if char in string.digits: #if the password contains at least one number...
conditions_met + 1
password_needs_number = False
if conditions_met == 0: print conditions_messages[0]
if conditions_met == 1: print conditions_messages[1]
if conditions_met == 2: print conditions_messages[2]
if conditions_met == 3: print conditions_messages[3]
if conditions_met == 4: print conditions_messages[4]
if any((password_too_short, password_needs_uppercase, password_needs_lowercase, password_needs_number)):
print('You can improve your password by...')
if password_needs_lowercase: print(' -using lowercase letters.')
if password_needs_uppercase: print(' -using uppercase letters.')
if password_too_short: print(' -using more characters.')
if password_needs_number: print(' -using numbers.')
if __name__ == '__main__':
testPassword()
