Python Consol Args Example using psutil

monit.py

#!/usr/bin/env python
import sys
import getopt
import psutil


def main(argv):

    # Define variables
    cpuout = False
    ramout = False

    # Get arguments
    try:
        opts, args = getopt.getopt(argv, '', ['cpu=', 'ram='])

    # If no valid arguments, exit
    except getopt.GetoptError:
        sys.exit(2)

    # Iterate over arguments
    for opt, arg in opts:

        # If one is CPU
        if opt == "--cpu":

            # These are accepted values
            if arg == 'complete':
                cpuout = psutil.cpu_percent(interval=1)

            if arg == 'cores':
                cpuout = psutil.cpu_percent(interval=1, percpu=True)

        if opt == '--ram':

            if arg == 'swap':
                ramout = psutil.swap_memory()

            if arg == 'virtual':
                ramout = psutil.virtual_memory()

    if ramout:
        print 'Memory Usage = ', ramout

    if cpuout:
        print 'Percentage CPU = ', cpuout

if __name__ == "__main__":
   main(sys.argv[1:])