Add the occupant id stanza elements

slixmpp/plugins/__init__.py

@@ -86,4 +86,5 @@ __all__ = [
     'xep_0325',  # IoT Systems Control
     'xep_0332',  # HTTP Over XMPP Transport
     'protoxep_reactions',  # https://dino.im/xeps/reactions.html
+    'protoxep_occupantid',  # https://dino.im/xeps/occupant-id.html
 ]

slixmpp/plugins/protoxep_occupantid/__init__.py

@@ -0,0 +1,12 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2019 Mathieu Pasquet
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+from slixmpp.plugins.base import register_plugin
+from slixmpp.plugins.protoxep_occupantid.occupantid import XEP_OccupantID
+from slixmpp.plugins.protoxep_occupantid.stanza import OccupantID
+
+register_plugin(XEP_OccupantID)

slixmpp/plugins/protoxep_occupantid/occupantid.py

@@ -0,0 +1,27 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2019 Mathieu Pasquet
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+from slixmpp.plugins import BasePlugin
+from slixmpp.stanza import Message, Presence
+from slixmpp.xmlstream import register_stanza_plugin
+
+from slixmpp.plugins.protoxep_occupantid import stanza
+
+
+class XEP_OccupantID(BasePlugin):
+    name = 'protoxep_occupantid'
+    description = 'XEP-XXXX: Anonymous unique occupant identifiers for MUCs'
+    dependencies = {'xep_0030'}
+    stanza = stanza
+
+    def plugin_init(self):
+        self.xmpp['xep_0030'].add_feature('urn:xmpp:occupant-id:0')
+        register_stanza_plugin(Message, stanza.OccupantID)
+        register_stanza_plugin(Presence, stanza.OccupantID)
+
+    def plugin_end(self):
+        self.xmpp['xep_0030'].remove_feature('urn:xmpp:occupant-id:0')

slixmpp/plugins/protoxep_occupantid/stanza.py

@@ -0,0 +1,16 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2019 Mathieu Pasquet
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+from slixmpp.xmlstream import ElementBase
+
+
+class OccupantID(ElementBase):
+    name = 'occupant-id'
+    plugin_attrib = 'occupant-id'
+    namespace = 'urn:xmpp:occupant-id:0'
+    interfaces = {'id'}