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# Slixmpp: The Slick XMPP Library
# Copyright (C) 2020 "Maxime “pep” Buquet <pep@bouah.net>"
# This file is part of Slixmpp.
# See the file LICENSE for copying permission.
from slixmpp import JID, Message, Presence
from slixmpp.plugins import BasePlugin
from slixmpp.xmlstream import register_stanza_plugin
from slixmpp.plugins.xep_0421 import stanza
from slixmpp.plugins.xep_0421.stanza import OccupantId
class XEP_0421(BasePlugin):
'''XEP-0421: Anonymous unique occupant identifiers for MUCs'''
name = 'xep_0421'
description = 'XEP-0421: Anonymous unique occupant identifiers for MUCs'
dependencies = {'xep_0030', 'xep_0045'}
stanza = stanza
namespace = stanza.NS
def plugin_init(self) -> None:
# XXX: This should be MucMessage. Someday..
register_stanza_plugin(Message, OccupantId)
register_stanza_plugin(Presence, OccupantId)
async def has_feature(self, jid: JID) -> bool:
info = await self.xmpp['xep_0030'].get_info(jid)
return self.namespace in info.get_features()
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