Updated XEP-0199 plugin.

Now has docs and uses the new plugin format.

sleekxmpp/plugins/xep_0199/stanza.py

@@ -0,0 +1,36 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010 Nathanael C. Fritz
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+import sleekxmpp
+from sleekxmpp.xmlstream import ElementBase
+
+
+class Ping(ElementBase):
+
+    """
+    Given that XMPP is based on TCP connections, it is possible for the
+    underlying connection to be terminated without the application's
+    awareness. Ping stanzas provide an alternative to whitespace based
+    keepalive methods for detecting lost connections.
+
+    Example ping stanza:
+        <iq type="get">
+          <ping xmlns="urn:xmpp:ping" />
+        </iq>
+
+    Stanza Interface:
+        None
+
+    Methods:
+        None
+    """
+
+    name = 'ping'
+    namespace = 'urn:xmpp:ping'
+    plugin_attrib = 'ping'
+    interfaces = set()