alert

#!/usr/bin/env python


"""Run a command and generate an alert when it's done."""


import argparse
import subprocess


def alert(command, message=None):
    message  = message if message is not None else ' '.join(command)
    retvalue = subprocess.call(command, shell=True)
    message += "\nReturn code = {0}".format(retvalue)
    subprocess.call(['terminal-notifier', '-message', message, '-title', 'alert'])


def parse_args(argv=None):
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument('-m', '--message', metavar='MESSAGE',
                        help='The alert message. Defaults to the command.')
    parser.add_argument('command', metavar='SHELL_COMMAND', nargs='*',
                        help='The shell command to execute.')
    args = parser.parse_args()
    return args


def main():
    args = parse_args()
    alert(args.command, args.message)


if __name__ == '__main__':
    main()