4.10. filename/filepath validator for click

Sample Code

import click

from pathvalidate.click import validate_filename_arg, validate_filepath_arg


@click.command()
@click.option("--filename", callback=validate_filename_arg)
@click.option("--filepath", callback=validate_filepath_arg)
def cli(filename, filepath):
    if filename:
        click.echo("filename: {}".format(filename))
    if filepath:
        click.echo("filepath: {}".format(filepath))


if __name__ == "__main__":
    cli()

Output

$ ./examples/click_validate.py --filename ab
filename: ab
$ ./examples/click_validate.py --filepath e?g
Usage: click_validate.py [OPTIONS]

Error: Invalid value for "--filepath": invalid char found: invalids=('?'), value='e?g', reason=INVALID_CHARACTER, target-platform=Windows

4.11. filename/filepath sanitizer for click

Sample Code

import click

from pathvalidate.click import sanitize_filename_arg, sanitize_filepath_arg


@click.command()
@click.option("--filename", callback=sanitize_filename_arg)
@click.option("--filepath", callback=sanitize_filepath_arg)
def cli(filename, filepath):
    if filename:
        click.echo("filename: {}".format(filename))
    if filepath:
        click.echo("filepath: {}".format(filepath))


if __name__ == "__main__":
    cli()

Output

$ ./examples/click_sanitize.py --filename a/b
filename: ab