How to use the parsel.selector.SafeXMLParser function in parsel

class CannotRemoveElementWithoutParent(Exception):
    pass


class SafeXMLParser(etree.XMLParser):
    def __init__(self, *args, **kwargs):
        kwargs.setdefault('resolve_entities', False)
        super(SafeXMLParser, self).__init__(*args, **kwargs)

_ctgroup = {
    'html': {'_parser': html.HTMLParser,
             '_csstranslator': HTMLTranslator(),
             '_tostring_method': 'html'},
    'xml': {'_parser': SafeXMLParser,
            '_csstranslator': GenericTranslator(),
            '_tostring_method': 'xml'},
}


def _st(st):
    if st is None:
        return 'html'
    elif st in _ctgroup:
        return st
    else:
        raise ValueError('Invalid type: %s' % st)


def create_root_node(text, parser_cls, base_url=None):
    """Create root node for text using given parser class.

def __init__(self, *args, **kwargs):
        kwargs.setdefault('resolve_entities', False)
        super(SafeXMLParser, self).__init__(*args, **kwargs)