routerbox/utils/he_ipv6/utils.py

def xml2bool(xml_str):
    if xml_str is None:
        return(None)
    xml_str = xml_str.lower()[0]
    if xml_str in ('t', '1'):
        return(True)
    elif xml_str in ('f', '0'):
        return(False)
    else:
        raise ValueError('Not a boolean value')