merged a lot of fritzy's changes

25 files changed, 946 insertions, 138 deletions

diff --git a/README b/README
index a6989090..abc2d090 100644
--- a/README
+++ b/README
@@ -1,5 +1,8 @@
-SleekXMPP is an XMPP library written for Python 3.x (with 2.6 compatibility).
+SleekXMPP is an XMPP library written for Python 3.1+ (with 2.6 compatibility).
+Hosted at http://wiki.github.com/fritzy/SleekXMPP/
+
 Featured in examples in XMPP: The Definitive Guide by Kevin Smith, Remko Tronçon, and Peter Saint-Andre
+If you're coming here from The Definitive Guide, please read http://wiki.github.com/fritzy/SleekXMPP/xmpp-the-definitive-guide
 
 SleekXMPP has several design goals/philosophies:
 - Low number of dependencies.
@@ -31,7 +34,9 @@ Since 0.2, here's the Changelog:
 Credits
 ----------------
 Main Author: Nathan Fritz fritz@netflint.net
-XEP-0045 original implementation: Kevin Smith
+Contributors: Kevin Smith & Lance Stout
 Patches: Remko Tronçon
 
 Feel free to add fritzy@netflint.net to your roster for direct support and comments.
+Join sleekxmpp-discussion@googlegroups.com / http://groups.google.com/group/sleekxmpp-discussion for email discussion.
+Join sleek@conference.jabber.org for groupchat discussion.
diff --git a/conn_tests/test_pubsubjobs.py b/conn_tests/test_pubsubjobs.py
new file mode 100644
index 00000000..edf22ccc
--- /dev/null
+++ b/conn_tests/test_pubsubjobs.py
@@ -0,0 +1,171 @@
+import logging
+import sleekxmpp
+from optparse import OptionParser
+from xml.etree import cElementTree as ET
+import os
+import time
+import sys
+import unittest
+import sleekxmpp.plugins.xep_0004
+from sleekxmpp.xmlstream.matcher.stanzapath import StanzaPath
+from sleekxmpp.xmlstream.handler.waiter import Waiter
+try:
+	import configparser
+except ImportError:
+	import ConfigParser as configparser
+try:
+	import queue
+except ImportError:
+	import Queue as queue
+
+class TestClient(sleekxmpp.ClientXMPP):
+	def __init__(self, jid, password):
+		sleekxmpp.ClientXMPP.__init__(self, jid, password)
+		self.add_event_handler("session_start", self.start)
+		#self.add_event_handler("message", self.message)
+		self.waitforstart = queue.Queue()
+	
+	def start(self, event):
+		self.getRoster()
+		self.sendPresence()
+		self.waitforstart.put(True)
+
+
+class TestPubsubServer(unittest.TestCase):
+	statev = {}
+
+	def __init__(self, *args, **kwargs):
+		unittest.TestCase.__init__(self, *args, **kwargs)
+
+	def setUp(self):
+		pass
+
+	def test001getdefaultconfig(self):
+		"""Get the default node config"""
+		self.xmpp1['xep_0060'].deleteNode(self.pshost, 'testnode2')
+		self.xmpp1['xep_0060'].deleteNode(self.pshost, 'testnode3')
+		self.xmpp1['xep_0060'].deleteNode(self.pshost, 'testnode4')
+		self.xmpp1['xep_0060'].deleteNode(self.pshost, 'testnode5')
+		result = self.xmpp1['xep_0060'].getNodeConfig(self.pshost)
+		self.statev['defaultconfig'] = result
+		self.failUnless(isinstance(result, sleekxmpp.plugins.xep_0004.Form))
+	
+	def test002createdefaultnode(self):
+		"""Create a node without config"""
+		self.failUnless(self.xmpp1['xep_0060'].create_node(self.pshost, 'testnode1'))
+
+	def test003deletenode(self):
+		"""Delete recently created node"""
+		self.failUnless(self.xmpp1['xep_0060'].deleteNode(self.pshost, 'testnode1'))
+	
+	def test004createnode(self):
+		"""Create a node with a config"""
+		self.statev['defaultconfig'].field['pubsub#access_model'].setValue('open')
+		self.statev['defaultconfig'].field['pubsub#notify_retract'].setValue(True)
+		self.statev['defaultconfig'].field['pubsub#persist_items'].setValue(True)
+		self.statev['defaultconfig'].field['pubsub#presence_based_delivery'].setValue(True)
+		p = self.xmpp2.Presence()
+		p['to'] = self.pshost
+		p.send()
+		self.failUnless(self.xmpp1['xep_0060'].create_node(self.pshost, 'testnode2', self.statev['defaultconfig'], ntype='job'))
+	
+	def test005reconfigure(self):
+		"""Retrieving node config and reconfiguring"""
+		nconfig = self.xmpp1['xep_0060'].getNodeConfig(self.pshost, 'testnode2')
+		self.failUnless(nconfig, "No configuration returned")
+		#print("\n%s ==\n %s" % (nconfig.getValues(), self.statev['defaultconfig'].getValues()))
+		self.failUnless(nconfig.getValues() == self.statev['defaultconfig'].getValues(), "Configuration does not match")
+		self.failUnless(self.xmpp1['xep_0060'].setNodeConfig(self.pshost, 'testnode2', nconfig))
+
+	def test006subscribetonode(self):
+		"""Subscribe to node from account 2"""
+		self.failUnless(self.xmpp2['xep_0060'].subscribe(self.pshost, "testnode2"))
+	
+	def test007publishitem(self):
+		"""Publishing item"""
+		item = ET.Element('{http://netflint.net/protocol/test}test')
+		w = Waiter('wait publish', StanzaPath('message/pubsub_event/items'))
+		self.xmpp2.registerHandler(w)
+		#result = self.xmpp1['xep_0060'].setItem(self.pshost, "testnode2", (('test1', item),))
+		result = self.xmpp1['jobs'].createJob(self.pshost, "testnode2", 'test1', item)
+		msg = w.wait(5) # got to get a result in 5 seconds
+		self.failUnless(msg != False, "Account #2 did not get message event")
+		#result = self.xmpp1['xep_0060'].setItem(self.pshost, "testnode2", (('test2', item),))
+		result = self.xmpp1['jobs'].createJob(self.pshost, "testnode2", 'test2', item)
+		w = Waiter('wait publish2', StanzaPath('message/pubsub_event/items'))
+		self.xmpp2.registerHandler(w)
+		self.xmpp2['jobs'].claimJob(self.pshost, 'testnode2', 'test1')
+		msg = w.wait(5) # got to get a result in 5 seconds
+		self.xmpp2['jobs'].claimJob(self.pshost, 'testnode2', 'test2')
+		self.xmpp2['jobs'].finishJob(self.pshost, 'testnode2', 'test1')
+		self.xmpp2['jobs'].finishJob(self.pshost, 'testnode2', 'test2')
+		print result
+		#need to add check for update
+
+	def test900cleanup(self):
+		"Cleaning up"
+		#self.failUnless(self.xmpp1['xep_0060'].deleteNode(self.pshost, 'testnode2'), "Could not delete test node.")
+		time.sleep(10)
+	
+
+if __name__ == '__main__':
+	#parse command line arguements
+	optp = OptionParser()
+	optp.add_option('-q','--quiet', help='set logging to ERROR', action='store_const', dest='loglevel', const=logging.ERROR, default=logging.INFO)
+	optp.add_option('-d','--debug', help='set logging to DEBUG', action='store_const', dest='loglevel', const=logging.DEBUG, default=logging.INFO)
+	optp.add_option('-v','--verbose', help='set logging to COMM', action='store_const', dest='loglevel', const=5, default=logging.INFO)
+	optp.add_option("-c","--config", dest="configfile", default="config.xml", help="set config file to use")
+	optp.add_option("-n","--nodenum", dest="nodenum", default="1", help="set node number to use")
+	optp.add_option("-p","--pubsub", dest="pubsub", default="1", help="set pubsub host to use")
+	opts,args = optp.parse_args()
+	
+	logging.basicConfig(level=opts.loglevel, format='%(levelname)-8s %(message)s')
+
+	#load xml config
+	logging.info("Loading config file: %s" % opts.configfile)
+	config = configparser.RawConfigParser()
+	config.read(opts.configfile)
+	
+	#init
+	logging.info("Account 1 is %s" % config.get('account1', 'jid'))
+	xmpp1 = TestClient(config.get('account1','jid'), config.get('account1','pass'))
+	logging.info("Account 2 is %s" % config.get('account2', 'jid'))
+	xmpp2 = TestClient(config.get('account2','jid'), config.get('account2','pass'))
+	
+	xmpp1.registerPlugin('xep_0004')
+	xmpp1.registerPlugin('xep_0030')
+	xmpp1.registerPlugin('xep_0060')
+	xmpp1.registerPlugin('xep_0199')
+	xmpp1.registerPlugin('jobs')
+	xmpp2.registerPlugin('xep_0004')
+	xmpp2.registerPlugin('xep_0030')
+	xmpp2.registerPlugin('xep_0060')
+	xmpp2.registerPlugin('xep_0199')
+	xmpp2.registerPlugin('jobs')
+
+	if not config.get('account1', 'server'):
+		# we don't know the server, but the lib can probably figure it out
+		xmpp1.connect() 
+	else:
+		xmpp1.connect((config.get('account1', 'server'), 5222))
+	xmpp1.process(threaded=True)
+	
+	#init
+	if not config.get('account2', 'server'):
+		# we don't know the server, but the lib can probably figure it out
+		xmpp2.connect() 
+	else:
+		xmpp2.connect((config.get('account2', 'server'), 5222))
+	xmpp2.process(threaded=True)
+
+	TestPubsubServer.xmpp1 = xmpp1
+	TestPubsubServer.xmpp2 = xmpp2
+	TestPubsubServer.pshost = config.get('settings', 'pubsub')
+	xmpp1.waitforstart.get(True)
+	xmpp2.waitforstart.get(True)
+	testsuite = unittest.TestLoader().loadTestsFromTestCase(TestPubsubServer)
+
+	alltests_suite = unittest.TestSuite([testsuite])
+	result = unittest.TextTestRunner(verbosity=2).run(alltests_suite)
+	xmpp1.disconnect()
+	xmpp2.disconnect()
diff --git a/conn_tests/test_pubsubserver.py b/conn_tests/test_pubsubserver.py
index d1e2208f..15635b4b 100644
--- a/conn_tests/test_pubsubserver.py
+++ b/conn_tests/test_pubsubserver.py
@@ -5,7 +5,6 @@ from xml.etree import cElementTree as ET
 import os
 import time
 import sys
-import thread
 import unittest
 import sleekxmpp.plugins.xep_0004
 from sleekxmpp.xmlstream.matcher.stanzapath import StanzaPath
diff --git a/example.py b/example.py
index 1ffe724a..c9b6559b 100644
--- a/example.py
+++ b/example.py
@@ -37,8 +37,8 @@ if __name__ == '__main__':
 	
 	logging.basicConfig(level=opts.loglevel, format='%(levelname)-8s %(message)s')
 	xmpp = Example('user@gmail.com/sleekxmpp', 'password')
+	xmpp.registerPlugin('xep_0030')	
 	xmpp.registerPlugin('xep_0004')
-	xmpp.registerPlugin('xep_0030')
 	xmpp.registerPlugin('xep_0060')
 	xmpp.registerPlugin('xep_0199')
 	if xmpp.connect(('talk.google.com', 5222)):
diff --git a/sleekxmpp/__init__.py b/sleekxmpp/__init__.py
index 5ba38090..954ca996 100644
--- a/sleekxmpp/__init__.py
+++ b/sleekxmpp/__init__.py
@@ -31,6 +31,7 @@ from . import plugins
 srvsupport = True
 try:
 	import dns.resolver
+	import dns.rdatatype
 except ImportError:
 	srvsupport = False
 
@@ -102,7 +103,8 @@ class ClientXMPP(basexmpp, XMLStream):
 			else:
 				logging.debug("Since no address is supplied, attempting SRV lookup.")
 				try:
-					answers = dns.resolver.query("_xmpp-client._tcp.%s" % self.server)
+					answers = dns.resolver.query("_xmpp-client._tcp.%s" % self.domain, 
+					        dns.rdatatype.SRV )
 				except dns.resolver.NXDOMAIN:
 					logging.debug("No appropriate SRV record found.  Using JID server name.")
 				else:
diff --git a/sleekxmpp/basexmpp.py b/sleekxmpp/basexmpp.py
index b011f7ba..6cd382ef 100644
--- a/sleekxmpp/basexmpp.py
+++ b/sleekxmpp/basexmpp.py
@@ -84,7 +84,12 @@ class basexmpp(object):
 		self.resource = self.getjidresource(jid)
 		self.jid = self.getjidbare(jid)
 		self.username = jid.split('@', 1)[0]
-		self.domain = jid.split('@',1)[-1].split('/', 1)[0]
+		self.server = jid.split('@',1)[-1].split('/', 1)[0]
+	
+	def process(self, *args, **kwargs):
+		for idx in self.plugin:
+			if not self.plugin[idx].post_inited: self.plugin[idx].post_init()
+		return super(basexmpp, self).process(*args, **kwargs)
 		
 	def registerPlugin(self, plugin, pconfig = {}):
 		"""Register a plugin not in plugins.__init__.__all__ but in the plugins
@@ -109,7 +114,7 @@ class basexmpp(object):
 			plugin_list = plugins.__all__
 		for plugin in plugin_list:
 			if plugin in plugins.__all__:
-				self.registerPlugin(plugin, self.plugin_config.get(plugin, {}))
+				self.registerPlugin(plugin, self.plugin_config.get(plugin, {}), False)
 			else:
 				raise NameError("No plugin by the name of %s listed in plugins.__all__." % plugin)
 		# run post_init() for cross-plugin interaction
@@ -185,6 +190,19 @@ class basexmpp(object):
 			self.event_handlers[name] = []
 		self.event_handlers[name].append((pointer, threaded, disposable))
 
+	def del_event_handler(self, name, pointer):
+		"""Remove a handler for an event."""
+		if not name in self.event_handlers:
+			return
+		
+		# Need to keep handlers that do not use
+		# the given function pointer
+		def filter_pointers(handler):
+			return handler[0] != pointer
+
+		self.event_handlers[name] = filter(filter_pointers, 
+						   self.event_handlers[name])
+
 	def event(self, name, eventdata = {}): # called on an event
 		for handler in self.event_handlers.get(name, []):
 			if handler[1]: #if threaded
diff --git a/sleekxmpp/componentxmpp.py b/sleekxmpp/componentxmpp.py
index 9c7a6125..de125814 100755
--- a/sleekxmpp/componentxmpp.py
+++ b/sleekxmpp/componentxmpp.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.5
+#!/usr/bin/python2.6
 
 """
     SleekXMPP: The Sleek XMPP Library
@@ -54,6 +54,16 @@ class ComponentXMPP(basexmpp, XMLStream):
 		self.secret = secret
 		self.registerHandler(Callback('Handshake', MatchXPath('{jabber:component:accept}handshake'), self._handleHandshake))
 	
+	def __getitem__(self, key):
+		if key in self.plugin:
+			return self.plugin[key]
+		else:
+			logging.warning("""Plugin "%s" is not loaded.""" % key)
+			return False
+	
+	def get(self, key, default):
+		return self.plugin.get(key, default)
+	
 	def incoming_filter(self, xmlobj):
 		if xmlobj.tag.startswith('{jabber:client}'):
 			xmlobj.tag = xmlobj.tag.replace('jabber:client', self.default_ns)
diff --git a/sleekxmpp/plugins/base.py b/sleekxmpp/plugins/base.py
index 685833f4..4223646a 100644
--- a/sleekxmpp/plugins/base.py
+++ b/sleekxmpp/plugins/base.py
@@ -24,6 +24,7 @@ class base_plugin(object):
 		self.description = 'Base Plugin'
 		self.xmpp = xmpp
 		self.config = config
+		self.post_inited = False
 		self.enable = config.get('enable', True)
 		if self.enable:
 			self.plugin_init()
@@ -32,4 +33,4 @@ class base_plugin(object):
 		pass
 	
 	def post_init(self):
-		pass
+		self.post_inited = True
diff --git a/sleekxmpp/plugins/jobs.py b/sleekxmpp/plugins/jobs.py
new file mode 100644
index 00000000..bb2e2554
--- /dev/null
+++ b/sleekxmpp/plugins/jobs.py
@@ -0,0 +1,44 @@
+from . import base
+import logging
+from xml.etree import cElementTree as ET
+
+class jobs(base.base_plugin):
+	def plugin_init(self):
+		self.xep = 'pubsubjob'
+		self.description = "Job distribution over Pubsub"
+	
+	def post_init(self):
+		pass
+		#TODO add event
+	
+	def createJobNode(self, host, jid, node, config=None):
+		pass
+
+	def createJob(self, host, node, jobid=None, payload=None):
+		return self.xmpp.plugin['xep_0060'].setItem(host, node, ((jobid, payload),))
+
+	def claimJob(self, host, node, jobid, ifrom=None):
+		return self._setState(host, node, jobid, ET.Element('{http://andyet.net/protocol/pubsubjob}claimed'))
+
+	def unclaimJob(self, jobid):
+		return self._setState(host, node, jobid, ET.Element('{http://andyet.net/protocol/pubsubjob}unclaimed'))
+
+	def finishJob(self, host, node, jobid, payload=None):
+		finished = ET.Element('{http://andyet.net/protocol/pubsubjob}finished')
+		if payload is not None:
+			finished.append(payload)
+		return self._setState(host, node, jobid, finished)
+
+	def _setState(self, host, node, jobid, state, ifrom=None):
+		iq = self.xmpp.Iq()
+		iq['to'] = host
+		if ifrom: iq['from'] = ifrom
+		iq['type'] = 'set'
+		iq['psstate']['node'] = node
+		iq['psstate']['item'] = jobid
+		iq['psstate']['payload'] = state
+		result = iq.send()
+		if result is None or result['type'] != 'result':
+			return False
+		return True
+
diff --git a/sleekxmpp/plugins/stanza_pubsub.py b/sleekxmpp/plugins/stanza_pubsub.py
index 4187d49c..1a1526f0 100644
--- a/sleekxmpp/plugins/stanza_pubsub.py
+++ b/sleekxmpp/plugins/stanza_pubsub.py
@@ -10,6 +10,39 @@ def stanzaPlugin(stanza, plugin):
 	stanza.plugin_attrib_map[plugin.plugin_attrib] = plugin                                             
 	stanza.plugin_tag_map["{%s}%s" % (plugin.namespace, plugin.name)] = plugin 
 
+class PubsubState(ElementBase):
+	namespace = 'http://jabber.org/protocol/psstate'
+	name = 'state'
+	plugin_attrib = 'psstate'
+	interfaces = set(('node', 'item', 'payload'))
+	plugin_attrib_map = {}
+	plugin_tag_map = {}
+	
+	def setPayload(self, value):
+		self.xml.append(value)
+	
+	def getPayload(self):
+		childs = self.xml.getchildren()
+		if len(childs) > 0:
+			return childs[0]
+	
+	def delPayload(self):
+		for child in self.xml.getchildren():
+			self.xml.remove(child)
+
+stanzaPlugin(Iq, PubsubState)
+
+class PubsubStateEvent(ElementBase):
+	namespace = 'http://jabber.org/protocol/psstate#event'
+	name = 'event'
+	plugin_attrib = 'psstate_event'
+	intefaces = set(tuple())
+	plugin_attrib_map = {}
+	plugin_tag_map = {}
+
+stanzaPlugin(Message, PubsubStateEvent)
+stanzaPlugin(PubsubStateEvent, PubsubState)
+
 class Pubsub(ElementBase):
 	namespace = 'http://jabber.org/protocol/pubsub'
 	name = 'pubsub'
@@ -281,7 +314,7 @@ class DefaultConfig(ElementBase):
 
 	def getType(self):
 		t = self._getAttr('type')
-		if not t: t == 'leaf'
+		if not t: t = 'leaf'
 		return t
 
 stanzaPlugin(PubsubOwner, DefaultConfig)
@@ -321,18 +354,6 @@ class Options(ElementBase):
 stanzaPlugin(Pubsub, Options)
 stanzaPlugin(Subscribe, Options)
 
-#iq = Iq()
-#iq['pubsub']['defaultconfig']
-#print(iq)
-
-#from xml.etree import cElementTree as ET
-#iq = Iq()
-#item = Item()
-#item['payload'] = ET.Element("{http://netflint.net/p/crap}stupidshit")
-#item['id'] = 'aa11bbcc'
-#iq['pubsub']['items'].append(item)
-#print(iq)
-	
 class OwnerAffiliations(Affiliations):
 	namespace = 'http://jabber.org/protocol/pubsub#owner'
 	interfaces = set(('node'))
diff --git a/sleekxmpp/plugins/xep_0004.py b/sleekxmpp/plugins/xep_0004.py
index ec859252..015bd8bc 100644
--- a/sleekxmpp/plugins/xep_0004.py
+++ b/sleekxmpp/plugins/xep_0004.py
@@ -31,7 +31,8 @@ class xep_0004(base.base_plugin):
 		self.xmpp.add_handler("<message><x xmlns='jabber:x:data' /></message>", self.handler_message_xform)
 	
 	def post_init(self):
-		self.xmpp['xep_0030'].add_feature('jabber:x:data')
+		base.base_plugin.post_init(self)
+		self.xmpp.plugin['xep_0030'].add_feature('jabber:x:data')
 	
 	def handler_message_xform(self, xml):
 		object = self.handle_form(xml)
@@ -187,7 +188,6 @@ class Form(FieldContainer):
 	
 	#def getXML(self, tostring = False):
 	def getXML(self, ftype=None):
-		logging.debug("creating form as %s" % ftype)
 		if ftype:
 			self.type = ftype
 		form = ET.Element('{jabber:x:data}x')
diff --git a/sleekxmpp/plugins/xep_0009.py b/sleekxmpp/plugins/xep_0009.py
index e0da8296..49ffac41 100644
--- a/sleekxmpp/plugins/xep_0009.py
+++ b/sleekxmpp/plugins/xep_0009.py
@@ -185,8 +185,9 @@ class xep_0009(base.base_plugin):
 		self.activeCalls = []

 

 	def post_init(self):

-		self.xmpp['xep_0030'].add_feature('jabber:iq:rpc')

-		self.xmpp['xep_0030'].add_identity('automatition','rpc')

+		base.base_plugin.post_init(self)

+		self.xmpp.plugin['xep_0030'].add_feature('jabber:iq:rpc')

+		self.xmpp.plugin['xep_0030'].add_identity('automatition','rpc')

 

 	def register_call(self, method, name=None):

 		#@returns an string that can be used in acl commands.

diff --git a/sleekxmpp/plugins/xep_0030.py b/sleekxmpp/plugins/xep_0030.py
index 5432dd56..6a31d243 100644
--- a/sleekxmpp/plugins/xep_0030.py
+++ b/sleekxmpp/plugins/xep_0030.py
@@ -1,25 +1,184 @@
 """
-	SleekXMPP: The Sleek XMPP Library
-	Copyright (C) 2007  Nathanael C. Fritz
-	This file is part of SleekXMPP.
-
-	SleekXMPP is free software; you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation; either version 2 of the License, or
-	(at your option) any later version.
-
-	SleekXMPP is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with SleekXMPP; if not, write to the Free Software
-	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file license.txt for copying permissio
 """
-from . import base
+
 import logging
-from xml.etree import cElementTree as ET
+from . import base
+from .. xmlstream.handler.callback import Callback
+from .. xmlstream.matcher.xpath import MatchXPath
+from .. xmlstream.stanzabase import ElementBase, ET, JID
+from .. stanza.iq import Iq
+
+class DiscoInfo(ElementBase):
+	namespace = 'http://jabber.org/protocol/disco#info'
+	name = 'query'
+	plugin_attrib = 'disco_info'
+	interfaces = set(('node', 'features', 'identities'))
+
+	def getFeatures(self):
+		features = []
+		featuresXML = self.xml.findall('{%s}feature' % self.namespace)
+		for feature in featuresXML:
+			features.append(feature.attrib['var'])
+		return features
+
+	def setFeatures(self, features):
+		self.delFeatures()
+		for name in features:
+			self.addFeature(name)
+
+	def delFeatures(self):
+		featuresXML = self.xml.findall('{%s}feature' % self.namespace)
+		for feature in featuresXML:
+			self.xml.remove(feature)
+
+	def addFeature(self, feature):
+		featureXML = ET.Element('{%s}feature' % self.namespace, 
+					{'var': feature})
+		self.xml.append(featureXML)
+
+	def delFeature(self, feature):
+		featuresXML = self.xml.findall('{%s}feature' % self.namespace)
+		for featureXML in featuresXML:
+			if featureXML.attrib['var'] == feature:
+				self.xml.remove(featureXML)
+
+	def getIdentities(self):
+		ids = []
+		idsXML = self.xml.findall('{%s}identity' % self.namespace)
+		for idXML in idsXML:
+			idData = (idXML.attrib['category'],
+				  idXML.attrib['type'],
+				  idXML.attrib.get('name', ''))
+			ids.append(idData)
+		return ids
+
+	def setIdentities(self, ids):
+		self.delIdentities()
+		for idData in ids:
+			self.addIdentity(*idData)
+
+	def delIdentities(self):
+		idsXML = self.xml.findall('{%s}identity' % self.namespace)
+		for idXML in idsXML:
+			self.xml.remove(idXML)
+
+	def addIdentity(self, category, id_type, name=''):
+		idXML = ET.Element('{%s}identity' % self.namespace, 
+				   {'category': category,
+				    'type': id_type,
+				    'name': name})
+		self.xml.append(idXML)
+
+	def delIdentity(self, category, id_type, name=''):
+		idsXML = self.xml.findall('{%s}identity' % self.namespace)
+		for idXML in idsXML:
+			idData = (idXML.attrib['category'], 
+				  idXML.attrib['type'])
+			delId = (category, id_type)
+			if idData == delId:
+				self.xml.remove(idXML)
+
+
+class DiscoItems(ElementBase):
+	namespace = 'http://jabber.org/protocol/disco#items'
+	name = 'query'
+	plugin_attrib = 'disco_items'
+	interfaces = set(('node', 'items'))
+
+	def getItems(self):
+		items = []
+		itemsXML = self.xml.findall('{%s}item' % self.namespace)
+		for item in itemsXML:
+			itemData = (item.attrib['jid'],
+				    item.attrib.get('node'),
+				    item.attrib.get('name'))
+			items.append(itemData)
+		return items
+
+	def setItems(self, items):
+		self.delItems()
+		for item in items:
+			self.addItem(*item)
+
+	def delItems(self):
+		itemsXML = self.xml.findall('{%s}item' % self.namespace)
+		for item in itemsXML:
+			self.xml.remove(item)
+
+	def addItem(self, jid, node='', name=''):
+		itemXML = ET.Element('{%s}item' % self.namespace, {'jid': jid})
+		if name:
+			itemXML.attrib['name'] = name
+		if node:
+			itemXML.attrib['node'] = node
+		self.xml.append(itemXML)
+
+	def delItem(self, jid, node=''):
+		itemsXML = self.xml.findall('{%s}item' % self.namespace)
+		for itemXML in itemsXML:
+			itemData = (itemXML.attrib['jid'],
+				    itemXML.attrib.get('node', ''))
+			itemDel = (jid, node)
+			if itemData == itemDel:
+				self.xml.remove(itemXML)
+	
+
+class DiscoNode(object):
+	"""
+	Collection object for grouping info and item information
+	into nodes.
+	"""
+	def __init__(self, name):
+		self.name = name
+		self.info = DiscoInfo()
+		self.items = DiscoItems()
+
+		# This is a bit like poor man's inheritance, but
+		# to simplify adding information to the node we 
+		# map node functions to either the info or items
+		# stanza objects.
+		#
+		# We don't want to make DiscoNode inherit from 
+		# DiscoInfo and DiscoItems because DiscoNode is
+		# not an actual stanza, and doing so would create
+		# confusion and potential bugs.
+
+		self._map(self.items, 'items', ['get', 'set', 'del'])
+		self._map(self.items, 'item', ['add', 'del'])
+		self._map(self.info, 'identities', ['get', 'set', 'del'])
+		self._map(self.info, 'identity', ['add', 'del'])
+		self._map(self.info, 'features', ['get', 'set', 'del'])
+		self._map(self.info, 'feature', ['add', 'del'])
+
+	def isEmpty(self):
+		"""
+		Test if the node contains any information. Useful for
+		determining if a node can be deleted.
+		"""
+		ids = self.getIdentities()
+		features = self.getFeatures()
+		items = self.getItems()
+
+		if not ids and not features and not items:
+			return True
+		return False
+
+	def _map(self, obj, interface, access):
+		"""
+		Map functions of the form obj.accessInterface
+		to self.accessInterface for each given access type.
+		"""
+		interface = interface.title()
+		for access_type in access:
+			method = access_type + interface
+			if hasattr(obj, method):
+				setattr(self, method, getattr(obj, method))
+
 
 class xep_0030(base.base_plugin):
 	"""
@@ -29,85 +188,137 @@ class xep_0030(base.base_plugin):
 	def plugin_init(self):
 		self.xep = '0030'
 		self.description = 'Service Discovery'
-		self.features = {'main': ['http://jabber.org/protocol/disco#info', 'http://jabber.org/protocol/disco#items']}
-		self.identities = {'main': [{'category': 'client', 'type': 'pc', 'name': 'SleekXMPP'}]}
-		self.items = {'main': []}
-		self.xmpp.add_handler("<iq type='get' xmlns='%s'><query xmlns='http://jabber.org/protocol/disco#info' /></iq>" % self.xmpp.default_ns, self.info_handler)
-		self.xmpp.add_handler("<iq type='get' xmlns='%s'><query xmlns='http://jabber.org/protocol/disco#items' /></iq>" % self.xmpp.default_ns, self.item_handler)
+
+		self.xmpp.registerHandler(
+			Callback('Disco Items',
+				 MatchXPath('{%s}iq/{%s}query' % (self.xmpp.default_ns, 
+								  DiscoItems.namespace)),
+				 self.handle_item_query))
+
+		self.xmpp.registerHandler(
+			Callback('Disco Info',
+				 MatchXPath('{%s}iq/{%s}query' % (self.xmpp.default_ns, 
+								  DiscoInfo.namespace)),
+				 self.handle_info_query))
+
+		self.xmpp.stanzaPlugin(Iq, DiscoInfo)
+		self.xmpp.stanzaPlugin(Iq, DiscoItems)
+
+		self.xmpp.add_event_handler('disco_items_request', self.handle_disco_items)
+		self.xmpp.add_event_handler('disco_info_request', self.handle_disco_info)
+
+		self.nodes = {'main': DiscoNode('main')}
+
+	def add_node(self, node):
+		if node not in self.nodes:
+			self.nodes[node] = DiscoNode(node)
+
+	def del_node(self, node):
+		if node in self.nodes:
+			del self.nodes[node]
+
+	def handle_item_query(self, iq):
+		if iq['type'] == 'get':
+			logging.debug("Items requested by %s" % iq['from'])
+			self.xmpp.event('disco_items_request', iq)
+		elif iq['type'] == 'result':
+			logging.debug("Items result from %s" % iq['from'])
+			self.xmpp.event('disco_items', iq)
+
+	def handle_info_query(self, iq):
+		if iq['type'] == 'get':
+			logging.debug("Info requested by %s" % iq['from'])
+			self.xmpp.event('disco_info_request', iq)
+		elif iq['type'] == 'result':
+			logging.debug("Info result from %s" % iq['from'])
+			self.xmpp.event('disco_info', iq)
+
+	def handle_disco_info(self, iq, forwarded=False):
+		"""
+		A default handler for disco#info requests. If another
+		handler is registered, this one will defer and not run.
+		"""
+		handlers = self.xmpp.event_handlers['disco_info_request']
+		if not forwarded and len(handlers) > 1:
+			return
+
+		node_name = iq['disco_info']['node']
+		if not node_name:
+			node_name = 'main'
+
+		logging.debug("Using default handler for disco#info on node '%s'." % node_name)
+
+		if node_name in self.nodes:
+			node = self.nodes[node_name]
+			iq.reply().setPayload(node.info.xml).send()
+		else:
+			logging.debug("Node %s requested, but does not exist." % node_name)
+			iq.reply().error().setPayload(iq['disco_info'].xml)
+			iq['error']['code'] = '404'
+			iq['error']['type'] = 'cancel'
+			iq['error']['condition'] = 'item-not-found'
+			iq.send()
+			
+	def handle_disco_items(self, iq, forwarded=False):
+		"""
+		A default handler for disco#items requests. If another
+		handler is registered, this one will defer and not run.
+
+		If this handler is called by your own custom handler with
+		forwarded set to True, then it will run as normal.
+		"""
+		handlers = self.xmpp.event_handlers['disco_items_request']
+		if not forwarded and len(handlers) > 1:
+			return
+
+		node_name = iq['disco_items']['node']
+		if not node_name:
+			node_name = 'main'
+
+		logging.debug("Using default handler for disco#items on node '%s'." % node_name)
+
+		if node_name in self.nodes:
+			node = self.nodes[node_name]
+			iq.reply().setPayload(node.items.xml).send()
+		else:	
+			logging.debug("Node %s requested, but does not exist." % node_name)
+			iq.reply().error().setPayload(iq['disco_items'].xml)
+			iq['error']['code'] = '404'
+			iq['error']['type'] = 'cancel'
+			iq['error']['condition'] = 'item-not-found'
+			iq.send()
+
+	# Older interface methods for backwards compatibility
+
+	def getInfo(self, jid, node=''):
+		iq = self.xmpp.Iq()
+		iq['type'] = 'get'
+		iq['to'] = jid
+		iq['from'] = self.xmpp.fulljid
+		iq['disco_info']['node'] = node
+		iq.send()
+
+	def getItems(self, jid, node=''):
+		iq = self.xmpp.Iq()
+		iq['type'] = 'get'
+		iq['to'] = jid
+		iq['from'] = self.xmpp.fulljid
+		iq['disco_items']['node'] = node
+		iq.send()
 	
 	def add_feature(self, feature, node='main'):
-		if not node in self.features:
-			self.features[node] = []
-		self.features[node].append(feature)
-	
-	def add_identity(self, category=None, itype=None, name=None, node='main'):
-		if not node in self.identities:
-			self.identities[node] = []
-		self.identities[node].append({'category': category, 'type': itype, 'name': name})
+		self.add_node(node)
+		self.nodes[node].addFeature(feature)
 	
-	def add_item(self, jid=None, name=None, node='main', subnode=''):
-		if not node in self.items:
-			self.items[node] = []
-		self.items[node].append({'jid': jid, 'name': name, 'node': subnode})
-
-	def info_handler(self, xml):
-		logging.debug("Info request from %s" % xml.get('from', ''))
-		iq = self.xmpp.makeIqResult(xml.get('id', self.xmpp.getNewId()))
-		iq.attrib['from'] = xml.get('to')
-		iq.attrib['to'] = xml.get('from', self.xmpp.server)
-		query = xml.find('{http://jabber.org/protocol/disco#info}query')
-		node = query.get('node', 'main')
-		for identity in self.identities.get(node, []):
-			idxml = ET.Element('identity')
-			for attrib in identity:
-				if identity[attrib]:
-					idxml.attrib[attrib] = identity[attrib]
-			query.append(idxml)
-		for feature in self.features.get(node, []):
-			featxml = ET.Element('feature')
-			featxml.attrib['var'] = feature
-			query.append(featxml)
-		iq.append(query)
-		#print ET.tostring(iq)
-		self.xmpp.send(iq)
-
-	def item_handler(self, xml):
-		logging.debug("Item request from %s" % xml.get('from', ''))
-		iq = self.xmpp.makeIqResult(xml.get('id', self.xmpp.getNewId()))
-		iq.attrib['from'] = xml.get('to')
-		iq.attrib['to'] = xml.get('from', self.xmpp.server)
-		query = self.xmpp.makeIqQuery(iq, 'http://jabber.org/protocol/disco#items').find('{http://jabber.org/protocol/disco#items}query')
-		node = xml.find('{http://jabber.org/protocol/disco#items}query').get('node', 'main')
-		for item in self.items.get(node, []):
-			itemxml = ET.Element('item')
-			itemxml.attrib = item
-			if itemxml.attrib['jid'] is None:
-				itemxml.attrib['jid'] = xml.get('to')
-			query.append(itemxml)
-		self.xmpp.send(iq)
+	def add_identity(self, category='', itype='', name='', node='main'):
+		self.add_node(node)
+		self.nodes[node].addIdentity(category=category,
+					     id_type=itype,
+					     name=name)
 	
-	def getItems(self, jid, node=None):
-		iq = self.xmpp.makeIqGet()
-		iq.attrib['from'] = self.xmpp.fulljid
-		iq.attrib['to'] = jid
-		self.xmpp.makeIqQuery(iq, 'http://jabber.org/protocol/disco#items')
-		if node:
-			iq.find('{http://jabber.org/protocol/disco#items}query').attrib['node'] = node
-		return iq.send()
-	
-	def getInfo(self, jid, node=None):
-		iq = self.xmpp.makeIqGet()
-		iq.attrib['from'] = self.xmpp.fulljid
-		iq.attrib['to'] = jid
-		self.xmpp.makeIqQuery(iq, 'http://jabber.org/protocol/disco#info')
-		if node:
-			iq.find('{http://jabber.org/protocol/disco#info}query').attrib['node'] = node
-		return iq.send()
-
-	def parseInfo(self, xml):
-		result = {'identity': {}, 'feature': []}
-		for identity in xml.findall('{http://jabber.org/protocol/disco#info}query/{{http://jabber.org/protocol/disco#info}identity'):
-			result['identity'][identity['name']] = identity.attrib
-		for feature in xml.findall('{http://jabber.org/protocol/disco#info}query/{{http://jabber.org/protocol/disco#info}feature'):
-			result['feature'].append(feature.get('var', '__unknown__'))
-		return result
+	def add_item(self, jid=None, name='', node='main', subnode=''):
+		self.add_node(node)
+		self.add_node(subnode)
+		if jid is None:
+			jid = self.xmpp.fulljid
+		self.nodes[node].addItem(jid=jid, name=name, node=subnode)
diff --git a/sleekxmpp/plugins/xep_0050.py b/sleekxmpp/plugins/xep_0050.py
index 0ca66ddb..2f356e17 100644
--- a/sleekxmpp/plugins/xep_0050.py
+++ b/sleekxmpp/plugins/xep_0050.py
@@ -42,6 +42,7 @@ class xep_0050(base.base_plugin):
 		self.sd = self.xmpp.plugin['xep_0030']
 	
 	def post_init(self):
+		base.base_plugin.post_init(self)
 		self.sd.add_feature('http://jabber.org/protocol/commands')
 
 	def addCommand(self, node, name, form, pointer=None, multi=False):
diff --git a/sleekxmpp/plugins/xep_0060.py b/sleekxmpp/plugins/xep_0060.py
index 44a70e9a..bff158a0 100644
--- a/sleekxmpp/plugins/xep_0060.py
+++ b/sleekxmpp/plugins/xep_0060.py
@@ -14,12 +14,14 @@ class xep_0060(base.base_plugin):
 		self.xep = '0060'
 		self.description = 'Publish-Subscribe'
 	
-	def create_node(self, jid, node, config=None, collection=False):
+	def create_node(self, jid, node, config=None, collection=False, ntype=None):
 		pubsub = ET.Element('{http://jabber.org/protocol/pubsub}pubsub')
 		create = ET.Element('create')
 		create.set('node', node)
 		pubsub.append(create)
 		configure = ET.Element('configure')
+		if collection:
+			ntype = 'collection'
 		#if config is None:
 		#	submitform = self.xmpp.plugin['xep_0004'].makeForm('submit')
 		#else:
@@ -29,11 +31,11 @@ class xep_0060(base.base_plugin):
 				submitform.field['FORM_TYPE'].setValue('http://jabber.org/protocol/pubsub#node_config')
 			else:
 				submitform.addField('FORM_TYPE', 'hidden', value='http://jabber.org/protocol/pubsub#node_config')
-			if collection:
+			if ntype:
 				if 'pubsub#node_type' in submitform.field:
-					submitform.field['pubsub#node_type'].setValue('collection')
+					submitform.field['pubsub#node_type'].setValue(ntype)
 				else:
-					submitform.addField('pubsub#node_type', value='collection')
+					submitform.addField('pubsub#node_type', value=ntype)
 			else:
 				if 'pubsub#node_type' in submitform.field:
 					submitform.field['pubsub#node_type'].setValue('leaf')
diff --git a/sleekxmpp/plugins/xep_0092.py b/sleekxmpp/plugins/xep_0092.py
index 3d026382..aeebbe0c 100644
--- a/sleekxmpp/plugins/xep_0092.py
+++ b/sleekxmpp/plugins/xep_0092.py
@@ -33,7 +33,8 @@ class xep_0092(base.base_plugin):
 		self.xmpp.add_handler("<iq type='get' xmlns='%s'><query xmlns='jabber:iq:version' /></iq>" % self.xmpp.default_ns, self.report_version)
 	
 	def post_init(self):
-		self.xmpp['xep_0030'].add_feature('jabber:iq:version')
+		base.base_plugin.post_init(self)
+		self.xmpp.plugin['xep_0030'].add_feature('jabber:iq:version')
 	
 	def report_version(self, xml):
 		iq = self.xmpp.makeIqResult(xml.get('id', 'unknown'))
diff --git a/sleekxmpp/plugins/xep_0199.py b/sleekxmpp/plugins/xep_0199.py
index 989e6450..ccaf0b3a 100644
--- a/sleekxmpp/plugins/xep_0199.py
+++ b/sleekxmpp/plugins/xep_0199.py
@@ -35,7 +35,8 @@ class xep_0199(base.base_plugin):
 			#self.xmpp.add_event_handler('session_start', self.handler_pingserver, threaded=True)
 	
 	def post_init(self):
-		self.xmpp['xep_0030'].add_feature('http://www.xmpp.org/extensions/xep-0199.html#ns')
+		base.base_plugin.post_init(self)
+		self.xmpp.plugin['xep_0030'].add_feature('http://www.xmpp.org/extensions/xep-0199.html#ns')
 	
 	def handler_pingserver(self, xml):
 		if not self.running:
diff --git a/sleekxmpp/stanza/error.py b/sleekxmpp/stanza/error.py
index 15af6624..ee46722a 100644
--- a/sleekxmpp/stanza/error.py
+++ b/sleekxmpp/stanza/error.py
@@ -11,8 +11,8 @@ class Error(ElementBase):
 	namespace = 'jabber:client'
 	name = 'error'
 	plugin_attrib = 'error'
-	conditions = set(('bad-request', 'conflict', 'feature-not-implemented', 'forbidden', 'gone', 'item-not-found', 'jid-malformed', 'not-acceptable', 'not-allowed', 'not-authorized', 'payment-required', 'recipient-unavailable', 'redirect', 'registration-required', 'remote-server-not-found', 'remote-server-timeout', 'service-unavailable', 'subscription-required', 'undefined-condition', 'unexpected-request'))
-	interfaces = set(('condition', 'text', 'type'))
+	conditions = set(('bad-request', 'conflict', 'feature-not-implemented', 'forbidden', 'gone', 'internal-server-error', 'item-not-found', 'jid-malformed', 'not-acceptable', 'not-allowed', 'not-authorized', 'payment-required', 'recipient-unavailable', 'redirect', 'registration-required', 'remote-server-not-found', 'remote-server-timeout', 'resource-constraint', 'service-unavailable', 'subscription-required', 'undefined-condition', 'unexpected-request'))
+	interfaces = set(('code', 'condition', 'text', 'type'))
 	types = set(('cancel', 'continue', 'modify', 'auth', 'wait'))
 	sub_interfaces = set(('text',))
 	condition_ns = 'urn:ietf:params:xml:ns:xmpp-stanzas'
diff --git a/sleekxmpp/stanza/iq.py b/sleekxmpp/stanza/iq.py
index 4969b703..ded7515f 100644
--- a/sleekxmpp/stanza/iq.py
+++ b/sleekxmpp/stanza/iq.py
@@ -37,6 +37,7 @@ class Iq(RootStanza):
 	def setPayload(self, value):
 		self.clear()
 		StanzaBase.setPayload(self, value)
+		return self
 	
 	def setQuery(self, value):
 		query = self.xml.find("{%s}query" % value)
diff --git a/sleekxmpp/xmlstream/scheduler.py b/sleekxmpp/xmlstream/scheduler.py
new file mode 100644
index 00000000..945d9fad
--- /dev/null
+++ b/sleekxmpp/xmlstream/scheduler.py
@@ -0,0 +1,87 @@
+try:
+	import queue
+except ImportError:
+	import Queue as queue
+import time
+import threading
+import logging
+
+class Task(object):
+	"""Task object for the Scheduler class"""
+	def __init__(self, name, seconds, callback, args=None, kwargs=None, repeat=False, qpointer=None):
+		self.name = name
+		self.seconds = seconds
+		self.callback = callback
+		self.args = args or tuple()
+		self.kwargs = kwargs or {}
+		self.repeat = repeat
+		self.next = time.time() + self.seconds
+		self.qpointer = qpointer
+	
+	def run(self):
+		if self.qpointer is not None:
+			self.qpointer.put(('schedule', self.callback, self.args))
+		else:
+			self.callback(*self.args, **self.kwargs)
+		self.reset()
+		return self.repeat
+	
+	def reset(self):
+		self.next = time.time() + self.seconds
+
+class Scheduler(object):
+	"""Threaded scheduler that allows for updates mid-execution unlike http://docs.python.org/library/sched.html#module-sched"""
+	def __init__(self, parentqueue=None):
+		self.addq = queue.Queue()
+		self.schedule = []
+		self.thread = None
+		self.run = False
+		self.parentqueue = parentqueue
+	
+	def process(self, threaded=True):
+		if threaded:
+			self.thread = threading.Thread(name='shedulerprocess', target=self._process)
+			self.thread.start()
+		else:
+			self._process()
+
+	def _process(self):
+		self.run = True
+		while self.run:
+			try:
+				wait = 1
+				updated = False
+				if self.schedule:
+					wait = self.schedule[0].next - time.time()
+				try:
+					if wait <= 0.0:
+						newtask = self.addq.get(False)
+					else:
+						newtask = self.addq.get(True, wait)
+				except queue.Empty:
+					cleanup = []
+					for task in self.schedule:
+						if time.time() >= task.next:
+							updated = True
+							if not task.run():
+								cleanup.append(task)
+						else:
+							break
+					for task in cleanup:
+						x = self.schedule.pop(self.schedule.index(task))
+				else:
+					updated = True
+					self.schedule.append(newtask)
+				finally:
+					if updated: self.schedule = sorted(self.schedule, key=lambda task: task.next)
+			except KeyboardInterrupt:
+				self.run = False
+		logging.debug("Qutting Scheduler thread")
+		if self.parentqueue is not None:
+			self.parentqueue.put(('quit', None, None))
+
+	def add(self, name, seconds, callback, args=None, kwargs=None, repeat=False, qpointer=None):
+		self.addq.put(Task(name, seconds, callback, args, kwargs, repeat, qpointer))
+	
+	def quit(self):
+		self.run = False
diff --git a/sleekxmpp/xmlstream/stanzabase.py b/sleekxmpp/xmlstream/stanzabase.py
index 018e81c3..64020c8f 100644
--- a/sleekxmpp/xmlstream/stanzabase.py
+++ b/sleekxmpp/xmlstream/stanzabase.py
@@ -78,6 +78,9 @@ class ElementBase(tostring.ToString):
 	def __iter__(self):
 		self.idx = 0
 		return self
+
+	def __bool__(self):
+		return True
 	
 	def __next__(self):
 		self.idx += 1
@@ -319,6 +322,8 @@ class StanzaBase(ElementBase):
 
 	def __init__(self, stream=None, xml=None, stype=None, sto=None, sfrom=None, sid=None):
 		self.stream = stream
+		if stream is not None:
+			self.namespace = stream.default_ns
 		ElementBase.__init__(self, xml)
 		if stype is not None:
 			self['type'] = stype
@@ -326,13 +331,11 @@ class StanzaBase(ElementBase):
 			self['to'] = sto
 		if sfrom is not None:
 			self['from'] = sfrom
-		if stream is not None:
-			self.namespace = stream.default_ns
 		self.tag = "{%s}%s" % (self.namespace, self.name)
 	
 	def setType(self, value):
 		if value in self.types:
-				self.xml.attrib['type'] = value
+			self.xml.attrib['type'] = value
 		return self
 
 	def getPayload(self):
@@ -340,15 +343,18 @@ class StanzaBase(ElementBase):
 	
 	def setPayload(self, value):
 		self.xml.append(value)
+		return self
 	
 	def delPayload(self):
 		self.clear()
+		return self
 	
 	def clear(self):
 		for child in self.xml.getchildren():
 			self.xml.remove(child)
 		for plugin in list(self.plugins.keys()):
 			del self.plugins[plugin]
+		return self
 	
 	def reply(self):
 		self['from'], self['to'] = self['to'], self['from']
@@ -357,6 +363,7 @@ class StanzaBase(ElementBase):
 	
 	def error(self):
 		self['type'] = 'error'
+		return self
 	
 	def getTo(self):
 		return JID(self._getAttr('to'))
diff --git a/sleekxmpp/xmlstream/xmlstream.py b/sleekxmpp/xmlstream/xmlstream.py
index cdce1fdf..5650386e 100644
--- a/sleekxmpp/xmlstream/xmlstream.py
+++ b/sleekxmpp/xmlstream/xmlstream.py
@@ -22,6 +22,7 @@ import time
 import traceback
 import types
 import xml.sax.saxutils
+from . import scheduler
 
 HANDLER_THREADS = 1
 
@@ -76,6 +77,7 @@ class XMLStream(object):
 
 		self.eventqueue = queue.Queue()
 		self.sendqueue = queue.Queue()
+		self.scheduler = scheduler.Scheduler(self.eventqueue)
 
 		self.namespace_map = {}
 
@@ -151,7 +153,9 @@ class XMLStream(object):
 		raise RestartStream()
 	
 	def process(self, threaded=True):
+		self.scheduler.process(threaded=True)
 		for t in range(0, HANDLER_THREADS):
+<<<<<<< HEAD
 			th = threading.Thread(name='eventhandle%s' % t, target=self._eventRunner)
 			th.setDaemon(True)
 			self.__thread['eventhandle%s' % t] = th
@@ -160,6 +164,13 @@ class XMLStream(object):
 		th.setDaemon(True)
 		self.__thread['sendthread'] = th
 		th.start()
+=======
+			logging.debug("Starting HANDLER THREAD")
+			self.__thread['eventhandle%s' % t] = threading.Thread(name='eventhandle%s' % t, target=self._eventRunner)
+			self.__thread['eventhandle%s' % t].start()
+		self.__thread['sendthread'] = threading.Thread(name='sendthread', target=self._sendThread)
+		self.__thread['sendthread'].start()
+>>>>>>> master
 		if threaded:
 			th = threading.Thread(name='process', target=self._process)
 			th.setDaemon(True)
@@ -168,8 +179,8 @@ class XMLStream(object):
 		else:
 			self._process()
 	
-	def schedule(self, seconds, handler, args=None):
-		threading.Timer(seconds, handler, args).start()
+	def schedule(self, name, seconds, callback, args=None, kwargs=None, repeat=False):
+		self.scheduler.add(name, seconds, callback, args, kwargs, repeat, qpointer=self.eventqueue)
 	
 	def _process(self):
 		"Start processing the socket."
@@ -189,6 +200,7 @@ class XMLStream(object):
 				self.state.set('reconnect', False)
 				self.disconnect()
 				self.run = False
+				self.scheduler.run = False
 				self.eventqueue.put(('quit', None, None))
 				return
 			except CloseStream:
@@ -237,6 +249,7 @@ class XMLStream(object):
 				edepth += -1
 				if edepth == 0 and event == b'end':
 					self.disconnect(reconnect=self.state['reconnect'])
+					logging.debug("Ending readXML loop")
 					return False
 				elif edepth == 1:
 					#self.xmlin.put(xmlobj)
@@ -245,11 +258,13 @@ class XMLStream(object):
 					except RestartStream:
 						return True
 					except CloseStream:
+						logging.debug("Ending readXML loop")
 						return False
 					if root:
 						root.clear()
 			if event == b'start':
 				edepth += 1
+		logging.debug("Ending readXML loop")
 	
 	def _sendThread(self):
 		while self.run:
@@ -279,6 +294,7 @@ class XMLStream(object):
 			logging.debug("Disconnecting...")
 			self.state.set('disconnecting', True)
 			self.run = False
+			self.scheduler.run = False
 		if self.state['connected']:
 			self.sendRaw(self.stream_footer)
 			time.sleep(1)
@@ -337,6 +353,9 @@ class XMLStream(object):
 				event = self.eventqueue.get(True, timeout=5)
 			except queue.Empty:
 				event = None
+			except KeyboardInterrupt:
+				self.run = False
+				self.scheduler.run = False
 			if event is not None:
 				etype = event[0]
 				handler = event[1]
@@ -348,9 +367,10 @@ class XMLStream(object):
 					except Exception as e:
 						traceback.print_exc()
 						args[0].exception(e)
-				elif etype == 'sched':
+				elif etype == 'schedule':
 					try:
-						handler.run(*args)
+						logging.debug(args)
+						handler(*args[0])
 					except:
 						logging.error(traceback.format_exc())
 				elif etype == 'quit':
diff --git a/tests/test_disco.py b/tests/test_disco.py
new file mode 100644
index 00000000..bbe285a6
--- /dev/null
+++ b/tests/test_disco.py
@@ -0,0 +1,155 @@
+import unittest
+from xml.etree import cElementTree as ET
+from sleekxmpp.xmlstream.matcher.stanzapath import StanzaPath
+from . import xmlcompare
+
+import sleekxmpp.plugins.xep_0030 as sd
+
+def stanzaPlugin(stanza, plugin):                                                                       
+	stanza.plugin_attrib_map[plugin.plugin_attrib] = plugin                                             
+	stanza.plugin_tag_map["{%s}%s" % (plugin.namespace, plugin.name)] = plugin 
+
+class testdisco(unittest.TestCase):
+
+    def setUp(self):
+        self.sd = sd
+        stanzaPlugin(self.sd.Iq, self.sd.DiscoInfo)
+        stanzaPlugin(self.sd.Iq, self.sd.DiscoItems)
+
+    def try3Methods(self, xmlstring, iq):
+	iq2 = self.sd.Iq(None, self.sd.ET.fromstring(xmlstring))
+	values = iq2.getValues()
+	iq3 = self.sd.Iq()
+	iq3.setValues(values)
+        self.failUnless(xmlstring == str(iq) == str(iq2) == str(iq3), str(iq)+"3 methods for creating stanza don't match")
+        
+    def testCreateInfoQueryNoNode(self):
+        """Testing disco#info query with no node."""
+        iq = self.sd.Iq()
+        iq['id'] = "0"
+        iq['disco_info']['node'] = ''
+        xmlstring = """<iq id="0"><query xmlns="http://jabber.org/protocol/disco#info" /></iq>"""
+	self.try3Methods(xmlstring, iq)
+
+    def testCreateInfoQueryWithNode(self):
+        """Testing disco#info query with a node."""
+        iq = self.sd.Iq()
+        iq['id'] = "0"
+        iq['disco_info']['node'] = 'foo'
+        xmlstring = """<iq id="0"><query xmlns="http://jabber.org/protocol/disco#info" node="foo" /></iq>"""
+	self.try3Methods(xmlstring, iq)
+
+    def testCreateInfoQueryNoNode(self):
+        """Testing disco#items query with no node."""
+        iq = self.sd.Iq()
+        iq['id'] = "0"
+        iq['disco_items']['node'] = ''
+        xmlstring = """<iq id="0"><query xmlns="http://jabber.org/protocol/disco#items" /></iq>"""
+	self.try3Methods(xmlstring, iq)
+
+    def testCreateItemsQueryWithNode(self):
+        """Testing disco#items query with a node."""
+        iq = self.sd.Iq()
+        iq['id'] = "0"
+        iq['disco_items']['node'] = 'foo'
+        xmlstring = """<iq id="0"><query xmlns="http://jabber.org/protocol/disco#items" node="foo" /></iq>"""
+	self.try3Methods(xmlstring, iq)
+
+    def testInfoIdentities(self):
+        """Testing adding identities to disco#info."""
+        iq = self.sd.Iq()
+        iq['id'] = "0"
+        iq['disco_info']['node'] = 'foo'
+	iq['disco_info'].addIdentity('conference', 'text', 'Chatroom')
+        xmlstring = """<iq id="0"><query xmlns="http://jabber.org/protocol/disco#info" node="foo"><identity category="conference" type="text" name="Chatroom" /></query></iq>"""
+	self.try3Methods(xmlstring, iq)
+
+    def testInfoFeatures(self):
+        """Testing adding features to disco#info."""
+        iq = self.sd.Iq()
+        iq['id'] = "0"
+        iq['disco_info']['node'] = 'foo'
+	iq['disco_info'].addFeature('foo')
+	iq['disco_info'].addFeature('bar')
+        xmlstring = """<iq id="0"><query xmlns="http://jabber.org/protocol/disco#info" node="foo"><feature var="foo" /><feature var="bar" /></query></iq>"""
+	self.try3Methods(xmlstring, iq)
+
+    def testItems(self):
+        """Testing adding features to disco#info."""
+        iq = self.sd.Iq()
+        iq['id'] = "0"
+        iq['disco_items']['node'] = 'foo'
+	iq['disco_items'].addItem('user@localhost')
+	iq['disco_items'].addItem('user@localhost', 'foo')
+	iq['disco_items'].addItem('user@localhost', 'bar', 'Testing')
+        xmlstring = """<iq id="0"><query xmlns="http://jabber.org/protocol/disco#items" node="foo"><item jid="user@localhost" /><item node="foo" jid="user@localhost" /><item node="bar" jid="user@localhost" name="Testing" /></query></iq>"""
+	self.try3Methods(xmlstring, iq)
+
+    def testAddRemoveIdentities(self):
+        """Test adding and removing identities to disco#info stanza"""
+	ids = [('automation', 'commands', 'AdHoc'),
+	       ('conference', 'text', 'ChatRoom')]
+
+	info = self.sd.DiscoInfo()
+	info.addIdentity(*ids[0])
+	self.failUnless(info.getIdentities() == [ids[0]])
+
+	info.delIdentity('automation', 'commands')
+	self.failUnless(info.getIdentities() == [])
+
+	info.setIdentities(ids)
+	self.failUnless(info.getIdentities() == ids)
+
+	info.delIdentity('automation', 'commands')
+	self.failUnless(info.getIdentities() == [ids[1]])
+
+	info.delIdentities()
+	self.failUnless(info.getIdentities() == [])
+
+    def testAddRemoveFeatures(self):
+        """Test adding and removing features to disco#info stanza"""
+	features = ['foo', 'bar', 'baz']
+
+	info = self.sd.DiscoInfo()
+	info.addFeature(features[0])
+	self.failUnless(info.getFeatures() == [features[0]])
+
+	info.delFeature('foo')
+	self.failUnless(info.getFeatures() == [])
+
+	info.setFeatures(features)
+	self.failUnless(info.getFeatures() == features)
+
+	info.delFeature('bar')
+	self.failUnless(info.getFeatures() == ['foo', 'baz'])
+
+	info.delFeatures()
+	self.failUnless(info.getFeatures() == [])
+
+    def testAddRemoveItems(self):
+        """Test adding and removing items to disco#items stanza"""
+	items = [('user@localhost', None, None),
+		 ('user@localhost', 'foo', None),
+		 ('user@localhost', 'bar', 'Test')]
+
+	info = self.sd.DiscoItems()
+	self.failUnless(True, ""+str(items[0]))
+
+	info.addItem(*(items[0]))
+	self.failUnless(info.getItems() == [items[0]], info.getItems())
+
+	info.delItem('user@localhost')
+	self.failUnless(info.getItems() == [])
+
+	info.setItems(items)
+	self.failUnless(info.getItems() == items)
+
+	info.delItem('user@localhost', 'foo')
+	self.failUnless(info.getItems() == [items[0], items[2]])
+
+	info.delItems()
+	self.failUnless(info.getItems() == [])
+	
+
+        
+suite = unittest.TestLoader().loadTestsFromTestCase(testdisco)
diff --git a/tests/test_events.py b/tests/test_events.py
new file mode 100644
index 00000000..11821dbb
--- /dev/null
+++ b/tests/test_events.py
@@ -0,0 +1,35 @@
+import unittest
+
+class testevents(unittest.TestCase):
+
+	def setUp(self):
+		import sleekxmpp.stanza.presence as p
+		self.p = p
+	
+	def testEventHappening(self):
+		"Test handler working"
+		import sleekxmpp
+		c = sleekxmpp.ClientXMPP('crap@wherever', 'password')
+		happened = []
+		def handletestevent(event):
+			happened.append(True)
+		c.add_event_handler("test_event", handletestevent)
+		c.event("test_event", {})
+		c.event("test_event", {})
+		self.failUnless(happened == [True, True], "event did not get triggered twice")
+	
+	def testDelEvent(self):
+		"Test handler working, then deleted and not triggered"
+		import sleekxmpp
+		c = sleekxmpp.ClientXMPP('crap@wherever', 'password')
+		happened = []
+		def handletestevent(event):
+			happened.append(True)
+		c.add_event_handler("test_event", handletestevent)
+		c.event("test_event", {})
+		c.del_event_handler("test_event", handletestevent)
+		c.event("test_event", {}) # should not trigger because it was deleted
+		self.failUnless(happened == [True], "event did not get triggered the correct number of times")
+        
+
+suite = unittest.TestLoader().loadTestsFromTestCase(testevents)
diff --git a/tests/test_pubsubstanzas.py b/tests/test_pubsubstanzas.py
index 5353f907..dc41fc30 100644
--- a/tests/test_pubsubstanzas.py
+++ b/tests/test_pubsubstanzas.py
@@ -97,6 +97,21 @@ class testpubsubstanzas(unittest.TestCase):
 		iq3.setValues(values)
 		self.failUnless(xmlstring == str(iq) == str(iq2) == str(iq3))
 	
+	def testState(self):
+		"Testing iq/psstate stanzas"
+		from sleekxmpp.plugins import xep_0004
+		iq = self.ps.Iq()
+		iq['psstate']['node']= 'mynode'
+		iq['psstate']['item']= 'myitem'
+		pl = ET.Element('{http://andyet.net/protocol/pubsubqueue}claimed')
+		iq['psstate']['payload'] = pl
+		xmlstring = """<iq id="0"><state xmlns="http://jabber.org/protocol/psstate" node="mynode" item="myitem"><claimed xmlns="http://andyet.net/protocol/pubsubqueue" /></state></iq>"""
+		iq2 = self.ps.Iq(None, self.ps.ET.fromstring(xmlstring))
+		iq3 = self.ps.Iq()
+		values = iq2.getValues()
+		iq3.setValues(values)
+		self.failUnless(xmlstring == str(iq) == str(iq2) == str(iq3))
+	
 	def testDefault(self):
 		"Testing iq/pubsub_owner/default stanzas"
 		from sleekxmpp.plugins import xep_0004