Add support for XEP-0091: Legacy Delayed Delivery

sleekxmpp/plugins/xep_0091/legacy_delay.py

@@ -0,0 +1,29 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+
+from sleekxmpp.stanza import Message, Presence
+from sleekxmpp.xmlstream import register_stanza_plugin
+from sleekxmpp.plugins import BasePlugin
+from sleekxmpp.plugins.xep_0091 import stanza
+
+
+class XEP_0091(BasePlugin):
+
+    """
+    XEP-0091: Legacy Delayed Delivery
+    """
+
+    name = 'xep_0091'
+    description = 'XEP-0091: Legacy Delayed Delivery'
+    dependencies = set()
+    stanza = stanza
+
+    def plugin_init(self):
+        register_stanza_plugin(Message, stanza.LegacyDelay)
+        register_stanza_plugin(Presence, stanza.LegacyDelay)