Creating python console executables with pyinstaller and argparse

proclist.py

"""
 A simple python script that uses the psutil package to show processes running on a host machine.
"""

__version__ = '1.0.0'
__author__ = 'Ndamulelo N [email protected]'

import psutil
import argparse


"""
We use argeparse to allow the user to specify the limit on the number of processes to show.

Example usage: $ python proclist.py --limit 3
"""
parser = argparse.ArgumentParser(prog='ProcList',
                                 description='Simple console application that show process info on the host machine')
parser.add_argument('--limit', type=int, help='Maximum number of processes to show')
arguments = parser.parse_args()

DEFAULT_LIMIT = 5


def main():
    limit = arguments.limit or DEFAULT_LIMIT
    for idx, proc in enumerate(psutil.process_iter(['pid', 'name'])):
        print(proc.info)
        if idx >= limit:
            break


if __name__ == '__main__':
    main()