Example of using Click for building command line interfaces

Install

python -m venv venv
source venv/bin/activate
pip -r install requirements.txt

Generate simple password

$ python passgen.py simple

V59etrLg

Generate complex password

python passgen.py complex --length 16

g.bPp96c9O{R&n&h

Generate a hard-to-guess security token

python passgen.py token

hok4_Snx8Uvy56KkV8jHKFaCrPRXCLNLc6PH0P12EuA

Help

$ python passgen.py --help

Usage: passgen.py [OPTIONS] COMMAND [ARGS]...

Options:
  --help  Show this message and exit.

Commands:
  complex  Generate a ten-character alphanumeric password with at least...
  simple   Generate an eight-character alphanumeric password
  token    Generate a hard-to-guess security token suitable for password...