''' Parser '''
parser = argparse.ArgumentParser(description="Describe your app")

''' Command line arguments '''
# settings file example
parser.add_argument('-c', '--config', metavar='<config file>', type=argparse.FileType('rb'), default='settings.ini', help='INI file')
# flag example
parser.add_argument('-v', '--verbose', help='increased output verbosity', action='store_true')
# value xample
parser.add_argument('-i', '--interval', help='interval', action=60)

''' parse them '''
args = parser.parse_args()

''' get args from config file '''
config = ConfigParser.SafeConfigParser()
config.readfp(vars(args)['c'])
settings = dict(config.items('global'))

''' get config settings '''
settings['user']
settings['password']

''' get command line args '''
args.vebose
args.interval


--------- Example settings.ini ---------
[global]
user = user
password = password