Update the XEP-0092 plugin to the new style.

sleekxmpp/plugins/xep_0092/stanza.py

@@ -0,0 +1,42 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010 Nathanael C. Fritz
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.xmlstream import ElementBase, ET
+
+
+class Version(ElementBase):
+
+    """
+    XMPP allows for an agent to advertise the name and version of the
+    underlying software libraries, as well as the operating system
+    that the agent is running on.
+
+    Example version stanzas:
+      <iq type="get">
+        <query xmlns="jabber:iq:version" />
+      </iq>
+
+      <iq type="result">
+        <query xmlns="jabber:iq:version">
+          <name>SleekXMPP</name>
+          <version>1.0</version>
+          <os>Linux</os>
+        </query>
+      </iq>
+
+    Stanza Interface:
+        name    -- The human readable name of the software.
+        version -- The specific version of the software.
+        os      -- The name of the operating system running the program.
+    """
+
+    name = 'query'
+    namespace = 'jabber:iq:version'
+    plugin_attrib = 'software_version'
+    interfaces = set(('name', 'version', 'os'))
+    sub_interfaces = interfaces