How to use the slixmpp.xmlstream.ElementBase function in slixmpp

name = 'items'
    plugin_attrib = name
    interfaces = {'node', 'max_items'}

    def set_max_items(self, value):
        self._set_attr('max_items', str(value))


class Create(ElementBase):
    namespace = 'http://jabber.org/protocol/pubsub'
    name = 'create'
    plugin_attrib = name
    interfaces = {'node'}


class Default(ElementBase):
    namespace = 'http://jabber.org/protocol/pubsub'
    name = 'default'
    plugin_attrib = name
    interfaces = {'node', 'type'}

    def get_type(self):
        t = self._get_attr('type')
        if not t:
            return 'leaf'
        return t


class Publish(ElementBase):
    namespace = 'http://jabber.org/protocol/pubsub'
    name = 'publish'
    plugin_attrib = name

self.xml.text = value
        return self

    def del_text(self):
        """Remove the contents inside the XML tag."""
        self.xml.text = ""
        return self

class Rejected(ElementBase):
    namespace = 'urn:xmpp:iot:sensordata'
    name = 'rejected'
    plugin_attrib = name
    interfaces = {'seqnr','error'}
    sub_interfaces = {'error'}

class Fields(ElementBase):
    """ Fields element, top level in a response message with data """
    namespace = 'urn:xmpp:iot:sensordata'
    name = 'fields'
    plugin_attrib = name
    interfaces = {'seqnr','done','nodes'}

    def __init__(self, xml=None, parent=None):
        ElementBase.__init__(self, xml, parent)
        self._nodes = set()

    def setup(self, xml=None):
        """
        Populate the stanza object using an optional XML object.

        Overrides ElementBase.setup

from slixmpp.plugins.xep_0009.stanza.RPC import RPCQuery, MethodCall, MethodResponse
from slixmpp.plugins.xep_0009.binding import py2xml, xml2py
from slixmpp.plugins.xep_0060.stanza.pubsub_event import Event, EventItems, EventItem
from slixmpp.xmlstream import ElementBase, ET, register_stanza_plugin
 # JID,
from slixmpp import Iq
from packaging import version

from fah.messagereader import MessageReader
from fah.saslhandler import SaslHandler
from fah.settings import SettingsFah

log = logging.getLogger(__name__)


class ItemUpdate(ElementBase):
    namespace = 'http://abb.com/protocol/update'
    name = 'update'
    plugin_attrib = name
    interfaces = set('data')


class ItemUpdateEncrypted(ElementBase):
    namespace = 'http://abb.com/protocol/update_encrypted'
    name = 'update'
    plugin_attrib = name
    interfaces = set('data')


def data2py(update):
    namespace = 'http://abb.com/protocol/update'
    vals = []

class Title(ElementBase):
    name = 'TITLE'
    namespace = 'vcard-temp'
    plugin_attrib = name
    plugin_multi_attrib = 'titles'
    interfaces = {name}
    is_extension = True

    def set_title(self, value):
        self.xml.text = value

    def get_title(self):
        return self.xml.text


class Role(ElementBase):
    name = 'ROLE'
    namespace = 'vcard-temp'
    plugin_attrib = name
    plugin_multi_attrib = 'roles'
    interfaces = {name}
    is_extension = True

    def set_role(self, value):
        self.xml.text = value

    def get_role(self):
        return self.xml.text


class Note(ElementBase):
    name = 'NOTE'

"""
        self.del_items()
        for item in items:
            jid, node, name = item
            self.add_item(jid, node, name)

    def del_items(self):
        """Remove all items."""
        self._items = set()
        items = [i for i in self.iterables if isinstance(i, DiscoItem)]
        for item in items:
            self.xml.remove(item.xml)
            self.iterables.remove(item)


class DiscoItem(ElementBase):
    name = 'item'
    namespace = 'http://jabber.org/protocol/disco#items'
    plugin_attrib = name
    interfaces = set(('jid', 'node', 'name'))

    def get_node(self):
        """Return the item's node name or ``None``."""
        return self._get_attr('node', None)

    def get_name(self):
        """Return the item's human readable name, or ``None``."""
        return self._get_attr('name', None)


register_stanza_plugin(DiscoItems, DiscoItem, iterable=True)

def setup(self, xml=None):
        """
        Populate the stanza object using an optional XML object.

        Overrides ElementBase.setup.

        Sets a default error type and condition, and changes the
        parent stanza's type to 'error'.

        Arguments:
            xml -- Use an existing XML object for the stanza's values.
        """
        if ElementBase.setup(self, xml):
            #If we had to generate XML then set default values.
            self['type'] = 'cancel'
            self['condition'] = 'feature-not-implemented'
        if self.parent is not None:
            self.parent()['type'] = 'error'

class MailSender(ElementBase):
    namespace = 'google:mail:notify'
    name = 'sender'
    plugin_attrib = name
    interfaces = set(['address', 'name', 'originator', 'unread'])

    def get_originator(self):
        return self.xml.attrib.get('originator', '0') == '1'

    def get_unread(self):
        return self.xml.attrib.get('unread', '0') == '1'


class NewMail(ElementBase):
    namespace = 'google:mail:notify'
    name = 'new-mail'
    plugin_attrib = 'gmail_notification'


register_stanza_plugin(MailBox, MailThread, iterable=True)

"""
    Slixmpp: The Slick XMPP Library
    Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
    This file is part of Slixmpp.

    See the file LICENSE for copying permission.
"""

from slixmpp.stanza import Message, Presence, Iq
from slixmpp.xmlstream import ElementBase


class Forwarded(ElementBase):
    name = 'forwarded'
    namespace = 'urn:xmpp:forward:0'
    plugin_attrib = 'forwarded'
    interfaces = {'stanza'}

    def get_stanza(self):
        for stanza in self:
            if isinstance(stanza, (Message, Presence, Iq)):
                return stanza
        return ''

    def set_stanza(self, value):
        self.del_stanza()
        self.append(value)

    def del_stanza(self):

from slixmpp.xmlstream import ET, ElementBase, register_stanza_plugin


class Privacy(ElementBase):
    name = 'query'
    namespace = 'jabber:iq:privacy'
    plugin_attrib = 'privacy'
    interfaces = set()

    def add_list(self, name):
        priv_list = List()
        priv_list['name'] = name
        self.append(priv_list)
        return priv_list


class Active(ElementBase):
    name = 'active'
    namespace = 'jabber:iq:privacy'
    plugin_attrib = name

class Affiliation(ElementBase):
    namespace = 'http://jabber.org/protocol/pubsub'
    name = 'affiliation'
    plugin_attrib = name
    interfaces = {'node', 'affiliation', 'jid'}

    def set_jid(self, value):
        self._set_attr('jid', str(value))

    def get_jid(self):
        return JID(self._get_attr('jid'))


class Subscription(ElementBase):
    namespace = 'http://jabber.org/protocol/pubsub'
    name = 'subscription'
    plugin_attrib = name
    interfaces = {'jid', 'node', 'subscription', 'subid'}

    def set_jid(self, value):
        self._set_attr('jid', str(value))

    def get_jid(self):
        return JID(self._get_attr('jid'))


class Subscriptions(ElementBase):
    namespace = 'http://jabber.org/protocol/pubsub'
    name = 'subscriptions'
    plugin_attrib = name