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diff --git a/sleekxmpp/plugins/xep_0108/user_activity.py b/sleekxmpp/plugins/xep_0108/user_activity.py
new file mode 100644
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+++ b/sleekxmpp/plugins/xep_0108/user_activity.py
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+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+import logging
+
+from sleekxmpp.xmlstream import register_stanza_plugin
+from sleekxmpp.xmlstream.handler import Callback
+from sleekxmpp.xmlstream.matcher import MatchXPath
+from sleekxmpp.plugins.base import base_plugin
+from sleekxmpp.plugins.xep_0108 import stanza, UserActivity
+
+
+log = logging.getLogger(__name__)
+
+
+class xep_0108(base_plugin):
+
+    """
+    XEP-0108: User Activity
+    """
+
+    def plugin_init(self):
+        self.xep = '0108'
+        self.description = 'User Activity'
+        self.stanza = stanza
+
+    def post_init(self):
+        base_plugin.post_init(self)
+
+        pubsub_stanza = self.xmpp['xep_0060'].stanza
+        register_stanza_plugin(pubsub_stanza.EventItem, UserActivity)
+
+        self.xmpp['xep_0030'].add_feature(UserActivity.namespace)
+        self.xmpp['xep_0163'].add_interest(UserActivity.namespace)
+        self.xmpp['xep_0060'].map_node_event(UserActivity.namespace, 'user_activity')
+
+    def publish_activity(self, general, specific=None, text=None, options=None, 
+                     ifrom=None, block=True, callback=None, timeout=None):
+        """
+        Publish the user's current activity.
+
+        Arguments:
+            general  -- The required general category of the activity.
+            specific -- Optional specific activity being done as part
+                        of the general category.
+            text     -- Optional natural-language description or reason
+                        for the activity.
+            options  -- Optional form of publish options.
+            ifrom    -- Specify the sender's JID.
+            block    -- Specify if the send call will block until a response
+                        is received, or a timeout occurs. Defaults to True.
+            timeout  -- The length of time (in seconds) to wait for a response
+                        before exiting the send call if blocking is used.
+                        Defaults to sleekxmpp.xmlstream.RESPONSE_TIMEOUT
+            callback -- Optional reference to a stream handler function. Will
+                        be executed when a reply stanza is received.
+        """
+        activity = UserActivity()
+        activity['value'] = (general, specific)
+        activity['text'] = text
+        self.xmpp['xep_0163'].publish(activity,
+                node=UserActivity.namespace,
+                options=options,
+                ifrom=ifrom,
+                block=block,
+                callback=callback,
+                timeout=timeout)
+
+    def stop(self, ifrom=None, block=True, callback=None, timeout=None):
+        """
+        Clear existing user activity information to stop notifications.
+
+        Arguments:
+            ifrom    -- Specify the sender's JID.
+            block    -- Specify if the send call will block until a response
+                        is received, or a timeout occurs. Defaults to True.
+            timeout  -- The length of time (in seconds) to wait for a response
+                        before exiting the send call if blocking is used.
+                        Defaults to sleekxmpp.xmlstream.RESPONSE_TIMEOUT
+            callback -- Optional reference to a stream handler function. Will
+                        be executed when a reply stanza is received.
+        """
+        activity = UserActivity()
+        self.xmpp['xep_0163'].publish(activity, 
+                node=UserActivity.namespace,
+                ifrom=ifrom,
+                block=block,
+                callback=callback,
+                timeout=timeout)