XEP-0428: Fallback Indication

slixmpp/plugins/__init__.py

@@ -95,5 +95,6 @@ __all__ = [
     'xep_0405',  # MIX-PAM
     'xep_0421',  # Anonymous unique occupant identifiers for MUCs
     'xep_0422',  # Message Fastening
+    'xep_0428',  # Message Fallback
     'xep_0444',  # Message Reactions
 ]

slixmpp/plugins/xep_0428/__init__.py

@@ -0,0 +1,13 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2020 Mathieu Pasquet <mathieui@mathieui.net>
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+from slixmpp.plugins.base import register_plugin
+from slixmpp.plugins.xep_0428.stanza import *
+from slixmpp.plugins.xep_0428.fallback import XEP_0428
+
+register_plugin(XEP_0428)

slixmpp/plugins/xep_0428/fallback.py

@@ -0,0 +1,22 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2020 Mathieu Pasquet <mathieui@mathieui.net>
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+from slixmpp.plugins import BasePlugin
+from slixmpp.plugins.xep_0428 import stanza
+
+
+class XEP_0428(BasePlugin):
+    '''XEP-0428: Fallback Indication'''
+
+    name = 'xep_0428'
+    description = 'Fallback Indication'
+    dependencies = set()
+    stanza = stanza
+    namespace = stanza.NS
+
+    def plugin_init(self) -> None:
+        stanza.register_plugins()

slixmpp/plugins/xep_0428/stanza.py

@@ -0,0 +1,26 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2020 Mathieu Pasquet <mathieui@mathieui.net>
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permissio
+"""
+
+from slixmpp.stanza import Message
+from slixmpp.xmlstream import (
+    ElementBase,
+    register_stanza_plugin,
+)
+
+
+NS = 'urn:xmpp:fallback:0'
+
+
+class Fallback(ElementBase):
+    namespace = NS
+    name = 'fallback'
+    plugin_attrib = 'fallback'
+
+
+def register_plugins():
+    register_stanza_plugin(Message, Fallback)