How to use the fritzconnection.core.utils.localname function in fritzconnection

root = etree.fromstring(response.content)
    except etree.ParseError:
        # May fail in case it's html instead of xml.
        # Can happen on wrong authentication.
        # That means it is not an error reported from executing
        # some service in the box, but rather not allowed to
        # access the box at all.
        # Whatever it is, report it here:
        detail = re.sub(r'<.*?>', '', response.text)
        msg = f'Unable to perform operation. {detail}'
        raise FritzConnectionException(msg)
    detail = root.find('.//detail')
    children = detail.iter()
    next(children) # skip detail itself
    for node in children:
        tag = localname(node)
        text = node.text.strip()
        if tag == "errorCode":
            error_code = text
        parts.append(f'{tag}: {text}')
    message = '\n'.join(parts)
    # try except:KeyError not possible,
    # because one of the raised Exceptions may inherit from KeyError.
    exception = FRITZ_ERRORS.get(error_code, FritzConnectionException)
    raise exception(message)

def process_node(obj, root):
    """
    Take an object and a root of nodes. The node.text of nodes with the
    same name as an instance-attribute of 'obj' are set as values for
    the corresponding instance-attribute. If the attribute is a
    callable, processing the node gets delegated to the callable (which
    in turn calls process_node).
    """
    for node in root:
        node_name = localname(node)
        try:
            attr = getattr(obj, node_name)
        except AttributeError:
            # ignore unknown nodes
            continue
        if callable(attr):
            # attribute is a callable: delegate further
            attr(node)
        else:
            # node is an attribute: set value
            if isinstance(node.text, str):
                value = node.text.strip()
            else:
                value = node.text
            setattr(obj, node_name, value)