mirror of
https://codeberg.org/andyscott/password-generator-cli.git
synced 2024-11-13 06:40:48 -05:00
107 lines
3.8 KiB
Python
107 lines
3.8 KiB
Python
import secrets
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class PasswordGenerator():
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"""
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Password Generator class to create random passwords based on the users
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preferences for uppercase, numbers, and symbols. Ambiguous characters
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('l' [Lower case L], '1' [one], I [capital i], O [capital o], 0 [zero]) are
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omitted by default.
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"""
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def __init__(self, length, uchars, nums, symbols):
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"""
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Initializes a PasswordGenerator object. Includes private data members
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for the possible upper and lowercase letters, numbers, symbols, and the
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set of characters available for password creation based on user input.
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Takes the users desired password length, and whether to use uppercase
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letters, numbers, and symbols as parameters.
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"""
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self._lchars = ('q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', 'a',
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's', 'd', 'f', 'g', 'h', 'j', 'k', 'z', 'x', 'c',
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'v', 'b', 'n', 'm')
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self._uchars = ('Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'P', 'A',
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'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', 'Z', 'X', 'C',
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'V', 'B', 'N', 'M')
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self._nums = ('2','3','4','5','6','7','8','9')
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self._symbols = ('!', '@', '#', '$', '%', '^', '&', '*')
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self._available_chars = self._lchars
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self._length = length
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self._use_uchars = uchars
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self._use_nums = nums
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self._use_symbols = symbols
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def use_upper(self):
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"""
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Checks if the user wants uppercase letters in the password. If yes,
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adds the uppercase letters to possible characters for the password.
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"""
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if self._use_uchars.lower() == 'n':
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return
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else:
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self._available_chars += self._uchars
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def use_nums(self):
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"""
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Checks if the user wants numbers in the password. If yes, adds
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the numbers to the possible characters for the password.
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"""
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if self._use_nums.lower() == 'n':
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return
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else:
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self._available_chars += self._nums
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def use_symbols(self):
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"""
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Checks if the user wants symbols in the password. If yes, adds the
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symbols to the possible characters for the password."
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"""
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if self._use_symbols.lower() == 'n':
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return
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else:
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self._available_chars += self._symbols
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def create_password(self):
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"""
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Uses the use_upper, use_nums, and use_symbols methods to determine the
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possible characters that should be considered and generates the
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password.
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"""
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self.use_upper()
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self.use_nums()
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self.use_symbols()
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password = ''.join(secrets.choice(self._available_chars) for i in range(self._length))
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print('\nYour new password is: ', password+'\n')
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def main():
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"""
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Main function to prompt user for password length, and whether to include
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uppercase letters, numbers, and symbols in the password. Uses the
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PasswordGenerator class and it's create_password member function to
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generate and print the new password to the console.
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"""
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print('\n')
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print('======================')
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print('| Password Generator |')
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print('======================')
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print('\nNote that ambiguous characters such as 0 (zero) and O (capital o) \
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are automatically excluded! Press Ctrl+C to quit.\n')
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length = ''
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while length is not int:
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try:
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length = int(input('How many characters for your password? '))
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break
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except ValueError:
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print('Please enter an integer.')
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use_uchars = input('Use uppercase? [Y/n] ')
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use_nums = input('Use numbers? [Y/n] ')
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use_symbols = input('Use symbols? [Y/n] ')
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PasswordGenerator(length, use_uchars, use_nums, use_symbols).create_password()
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if __name__ == '__main__':
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main()
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