Add support for XEP-0091: Legacy Delayed Delivery

sleekxmpp/plugins/xep_0091/stanza.py

@@ -0,0 +1,46 @@
+"""
+    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.
+"""
+
+import datetime as dt
+
+from sleekxmpp.jid import JID
+from sleekxmpp.xmlstream import ElementBase
+from sleekxmpp.plugins import xep_0082
+
+
+class LegacyDelay(ElementBase):
+
+    name = 'x'
+    namespace = 'jabber:x:delay'
+    plugin_attrib = 'legacy_delay'
+    interfaces = set(('from', 'stamp', 'text'))
+
+    def get_from(self):
+        return JID(self._get_attr('from'))
+
+    def set_from(self, value):
+        self._set_attr('from', str(value))
+
+    def get_stamp(self):
+        timestamp = self._get_attr('stamp')
+        return xep_0082.parse('%sZ' % timestamp)
+
+    def set_stamp(self, value):
+        if isinstance(value, dt.datetime):
+            value = value.astimezone(xep_0082.tzutc)
+            value = xep_0082.format_datetime(value)
+        self._set_attr('stamp', value[0:19].replace('-', ''))
+
+    def get_text(self):
+        return self.xml.text
+
+    def set_text(self, value):
+        self.xml.text = value
+
+    def del_text(self):
+        self.xml.text = ''