pwc/pwc.py
2022-02-06 17:03:01 +03:00

92 lines
2.6 KiB
Python
Executable File

#!/usr/bin/env python3
# This program is free software. It comes without any warranty, to
# the extent permitted by applicable law. You can redistribute it
# and/or modify it under the terms of the Do What The Fuck You Want
# To Public License, Version 2, as published by Sam Hocevar. See
# http://www.wtfpl.net/ for more details.
import sys
import getopt
import subprocess
import random
import string
def generate_pass(special_chars: bool, lenght: int, print_pass: bool) -> str:
abc = string.ascii_letters + string.digits
if special_chars:
abc = abc + string.punctuation
pw = ''
for char in range(lenght):
pw = pw + random.choice(abc)
if print_pass:
print(pw)
else:
# Run xclip. Copy generated password to X clipboard!
command = 'xclip -selection clipboard'.split()
process = subprocess.Popen(
command,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE
)
process.stdin.write(pw.encode()) # Put password to STDIN.
def usage():
print('Usage: pwc [-h|--help] [-s|--special] [-p|--print] [<lenght>]')
def print_help():
print('Generate password and copy it to clipboard (xclip).')
print()
usage()
print()
print(' -s, --special use punctuation characters in password.')
print(' -p, --print print password to STDOUT instead of copy to clipboard.')
print(' -h, --help print this help message and exit.')
def main():
# Set default values.
special_chars = False
print_pass = False
lenght = 12
# Parse agrs.
try:
opts, args = getopt.getopt(
sys.argv[1:],
"hsp",
["help", "special", "print"]
)
except getopt.GetoptError as err:
print(err) # will print something like "option -a not recognized"
usage()
sys.exit(2)
special_chars=False
for opt, arg in opts:
if opt in ("-h", "--help"):
print_help()
sys.exit()
if opt in ("-s", "--special"):
special_chars=True
if opt in ("-p", "--print"):
print_pass=True
if len(args) >= 2:
print('Too many arguments.')
usage()
sys.exit(2)
for arg in args:
try:
lenght = int(arg)
except ValueError:
print('Argument must be an integer.')
usage()
sys.exit(1)
# Run password generator.
generate_pass(special_chars, lenght, print_pass)
if __name__ == "__main__":
main()