[Set INI-file value] Sets a value in an INI-file from command line. #python #ini #config

set_ini.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# This script sets a value in an INI-file.
# It uses Python 3 configparser
#   https://docs.python.org/3/library/configparser.html
# Simon Schürg

import argparse
import configparser

def setupArgparse():
    parser = argparse.ArgumentParser(description='Set a value in an INI-file.')
    parser.add_argument('file',     metavar='FILE',     help='Filepath of the ini-file')
    parser.add_argument('section',  metavar='SECTION',  help='Section in the INI-file')
    parser.add_argument('key',      metavar='KEY',      help='Key which should hold the value')
    parser.add_argument('value',    metavar='VALUE',    help='Value to set')
    # parser.add_argument('-v', '--verbose', action='count', help='Verbose output')
    args = parser.parse_args()
    return args

def setIni(args):
    config = configparser.ConfigParser()
    config.read(args.file)
    if not config.has_section(args.section):
        config.add_section(args.section)
    config[args.section][args.key] = args.value

    with open(args.file, 'w') as configfile:
        config.write(configfile)

if __name__ == "__main__":
    args = setupArgparse()
    setIni(args)