parsers.py 文件源码

def parse_lower_alpha(string: str) -> str:
    """Checks if ``string`` consists out of at least of 6 characters.

    Parameters
    ----------
    string : str
        Possible string.

    Returns
    -------
    string : str
        Valid string.

    Raises
    ------
    click.BadParameter
        If string is not sufficiently strong.

    """
    if re.fullmatch(r'[a-z]{6,}', string):
        return string
    else:
        raise click.BadParameter(
            'ERROR: Use at least 6 lower-case characters.')