Convert a json file to toml file using Python

json2toml.py

#!/usr/bin/env python

# Prerequisite:
#   pip install toml

import json
import sys
import toml


def json_to_toml(json_file, toml_file):
    with open(json_file) as jf:
        with open(toml_file, 'w') as tf:
            tf.write(
                toml.dumps(
                    json.loads(
                        jf.read()
                    )
                )
            )


if __name__ == '__main__':
    if len(sys.argv) != 3:
        sys.exit('Usage: `json2toml.py input.json output.toml`')

    json_file, toml_file = sys.argv[1], sys.argv[2]
    json_to_toml(json_file, toml_file)