How to start your first Command Line Interface with Python

cli.py

#!/usr/bin/python
# encoding: utf8

import click
import logging


@click.command()
@click.argument('infile', nargs=-1)
@click.option('--out', '-o')
@click.option('--debug', is_flag=True)
def cli(infile, **kwargs):
    if kwargs['debug']:
        logging.basicConfig(format='%(levelname)s:%(message)s', level=logging.DEBUG)
    if infile:
        logging.info(' '.join(infile))
    else:
        click.echo(
            'Please include an input file path:\n'
            'api filepath/example.kml --out filepath/example-edit.kml'
        )

if __name__ == '__main__':
    cli()