def validate_config_key(ctx, param, value):
    """Validate a configuration key according to `section.item`."""
    if not value:
        return value

    try:
        section, item = value.split(".", 1)
    except ValueError:
        raise click.BadArgumentUsage("Given key does not contain a section name.")
    else:
        return section, item
def validate_config_key(ctx, param, value):
    """Validate a configuration key according to `section.item`."""
    if not value:
        return value

    try:
        section, item = value.split(".", 1)
    except ValueError:
        raise click.BadArgumentUsage("Given key does not contain a section name.")
    else:
        return section, item
def validate_config_key ( ctx , param , value ) : if not value : return value try : section , item = value . split ( "." , 1 ) except ValueError : raise click . BadArgumentUsage ( "Given key does not contain a section name." ) else : return section , item
Validate a configuration key according to `section.item`.
Validate a configuration key according to section . item .