@click.command()
@click.option('--count', default=2, callback=validate_count, help='A positive even number.')
@click.option('--foo', help='A mysterious parameter.')
@click.option('--url', help='A URL', type=URL())
@click.version_option()
def cli(count, foo, url):
 if ((foo is not None) and (foo != 'wat')):
  raise click.BadParameter('If a value is provided it needs to be the value "wat".', param_hint=['--foo'])
 click.echo(('count: %s' % count))
 click.echo(('foo: %s' % foo))
 click.echo(('url: %s' % repr(url)))

@ click . command ( ) @ click . option ( '--count' , default = 2 , callback = validate_count , help = 'A positive even number.' ) @ click . option ( '--foo' , help = 'A mysterious parameter.' ) @ click . option ( '--url' , help = 'A URL' , type = URL ( ) ) @ click . version_option ( ) def cli ( count , foo , url ) : if ( ( foo is not None ) and ( foo != 'wat' ) ) : raise click . BadParameter ( 'If a value is provided it needs to be the value "wat".' , param_hint = [ '--foo' ] ) click . echo ( ( 'count: %s' % count ) ) click . echo ( ( 'foo: %s' % foo ) ) click . echo ( ( 'url: %s' % repr ( url ) ) )
prints a list of medias .