* started converstion to stanza objects

2009-12-11 01:29:46 +00:00
parent a031dd24a6
commit 8854509ccd
7 changed files with 276 additions and 347 deletions
--- a/sleekxmpp/init.py
+++ b/sleekxmpp/init.py
@@ -75,6 +75,7 @@ class ClientXMPP(basexmpp, XMLStream):
 		#self.map_namespace('http://etherx.jabber.org/streams', 'stream')
 		#self.map_namespace('jabber:client', '')
 		self.features = []
+		#TODO: Use stream state here
 		self.authenticated = False
 		self.sessionstarted = False
 		self.registerHandler(Callback('Stream Features', MatchXPath('{http://etherx.jabber.org/streams}features'), self._handleStreamFeatures, thread=True))
@@ -88,14 +89,6 @@ class ClientXMPP(basexmpp, XMLStream):
 		#self.registerStanzaExtension('PresenceStanza', PresenceStanzaType)
 		#self.register_plugins()
 	
-	def importStanzas(self):
-		pass
-		return 
-		for modname in stanza.__all__:
-			__import__("%s.%s" % (globals()['stanza'].__name__, modname))
-			for register in getattr(stanza, modname).stanzas:
-				self.registerStanza(**register)
-
 	def __getitem__(self, key):
 		if key in self.plugin:
 			return self.plugin[key]
@@ -109,7 +102,6 @@ class ClientXMPP(basexmpp, XMLStream):
 	def connect(self, address=tuple()):
 		"""Connect to the Jabber Server.  Attempts SRV lookup, and if it fails, uses
 		the JID server."""
-		self.importStanzas()
 		if not address or len(address) < 2:
 			if not self.srvsupport:
 				logging.debug("Did not supply (address, port) to connect to and no SRV support is installed (http://www.dnspython.org).  Continuing to attempt connection, using server hostname from JID.")
@@ -163,26 +155,15 @@ class ClientXMPP(basexmpp, XMLStream):

 	def updateRoster(self, jid, name=None, subscription=None, groups=[]):
 		"""Add or change a roster item."""
-		iq = self.makeIqSet()
-		iq.attrib['from'] = self.fulljid
-		query = self.makeQueryRoster(iq)
-		item = ET.Element('item')
-		item.attrib['jid'] = jid
-		if name:
-			item.attrib['name'] = name
-		if subscription in ['to', 'from', 'both']:
-			item.attrib['subscription'] = subscription
-		else:
-			item.attrib['subscription'] = 'none'
-		for group in groups:
-			groupxml = ET.Element('group')
-			groupxml.text = group
-			item.append.groupxml
-		return self.send(iq, self.makeIq(self.getId()))
+		iq = self.Iq().setValues({'type': 'set'})
+		iq['roster'] = {jid: {'name': name, 'subscription': subscription, 'groups': groups}}
+		#self.send(iq, self.Iq().setValues({'id': iq['id']}))
+		r = iq.send()
+		return r['type'] == 'result'
 	
 	def getRoster(self):
 		"""Request the roster be sent."""
-		self.send(self.makeIqGet('jabber:iq:roster'))
+		self.Iq().setValues({'type': 'get'}).enable('roster').send()
 	
 	def _handleStreamFeatures(self, features):
 		self.features = []
@@ -198,7 +179,7 @@ class ClientXMPP(basexmpp, XMLStream):
 	def handler_starttls(self, xml):
 		if not self.authenticated and self.ssl_support:
 			self.add_handler("<proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls' />", self.handler_tls_start, instream=True)
-			self.send(xml)
+			self.sendXML(xml)
 			return True
 		else:
 			logging.warning("The module tlslite is required in to some servers, and has not been found.")
@@ -240,14 +221,14 @@ class ClientXMPP(basexmpp, XMLStream):
 	
 	def handler_bind_resource(self, xml):
 		logging.debug("Requesting resource: %s" % self.resource)
-		out = self.makeIqSet()
+		iq = self.Iq(stype='set')
 		res = ET.Element('resource')
 		res.text = self.resource
 		xml.append(res)
-		out.append(xml)
-		id = out.get('id')
-		response = self.send(out, self.makeIqResult(id))
-		self.set_jid(response.find('{urn:ietf:params:xml:ns:xmpp-bind}bind/{urn:ietf:params:xml:ns:xmpp-bind}jid').text)
+		iq.append(xml)
+		response = iq.send()
+		#response = self.send(iq, self.Iq(sid=iq['id']))
+		self.set_jid(response.xml.find('{urn:ietf:params:xml:ns:xmpp-bind}bind/{urn:ietf:params:xml:ns:xmpp-bind}jid').text)
 		logging.info("Node set to: %s" % self.fulljid)
 		if "{urn:ietf:params:xml:ns:xmpp-session}session" not in self.features:
 			logging.debug("Established Session")
@@ -261,21 +242,11 @@ class ClientXMPP(basexmpp, XMLStream):
 			self.sessionstarted = True
 			self.event("session_start")
 	
-	def _handleRoster(self, roster):
-		xml = roster.xml
-		xml = roster.xml
-		roster_update = {}
-		for item in xml.findall('{jabber:iq:roster}query/{jabber:iq:roster}item'):
-			if not item.attrib['jid'] in self.roster:
-				self.roster[item.attrib['jid']] = {'groups': [], 'name': '', 'subscription': 'none', 'presence': {}, 'in_roster': False}
-			self.roster[item.attrib['jid']]['name'] = item.get('name', '')
-			self.roster[item.attrib['jid']]['subscription'] = item.get('subscription', 'none')
-			self.roster[item.attrib['jid']]['in_roster'] = 'True'
-			for group in item.findall('{jabber:iq:roster}group'):
-				self.roster[item.attrib['jid']]['groups'].append(group.text)
-			if self.roster[item.attrib['jid']]['groups'] == []:
-				self.roster[item.attrib['jid']]['groups'].append('Default')
-			roster_update[item.attrib['jid']] = self.roster[item.attrib['jid']]
-		if xml.get('type', 'result') == 'set':
-			self.send(self.makeIqResult(xml.get('id', '0')))
-		self.event("roster_update", roster_update)
+	def _handleRoster(self, iq):
+		for jid in iq['roster']['items']:
+			if not jid.bare in self.roster:
+				self.roster[jid.bare] = {'groups': [], 'name': '', 'subscription': 'none', 'presence': {}, 'in_roster': True}
+			self.roster[jid.bare].update(iq['roster']['jid'])
+		if iq['type'] == 'set':
+			self.send(self.Iq().setValues({'type': 'result', 'id': iq['id']}).enable('roster'))
+		self.event("roster_update", iq)
--- a/sleekxmpp/basexmpp.py
+++ b/sleekxmpp/basexmpp.py
@@ -28,61 +28,22 @@ from . xmlstream.handler.callback import Callback
 from . import plugins
 from . stanza.message import Message
 from . stanza.iq import Iq
+from . stanza.presence import Presence
+from . stanza.roster import Roster

 import logging
 import threading

+def stanzaPlugin(stanza, plugin):
+	stanza.plugin_attrib_map[plugin.plugin_attrib] = plugin
+	stanza.plugin_tag_map["{%s}%s" % (plugin.namespace, plugin.name)] = plugin
+
+stanzaPlugin(Iq, Roster)
+
 class basexmpp(object):
 	def __init__(self):
 		self.id = 0
 		self.id_lock = threading.Lock()
-		self.stanza_errors = {
-			'bad-request':False,
-			'conflict':False,
-			'feature-not-implemented':False,
-			'forbidden':False,
-			'gone':True,
-			'internal-server-error':False,
-			'item-not-found':False,
-			'jid-malformed':False,
-			'not-acceptable':False,
-			'not-allowed':False,
-			'payment-required':False,
-			'recipient-unavailable':False,
-			'redirect':True,
-			'registration-required':False,
-			'remote-server-not-found':False,
-			'remote-server-timeout':False,
-			'resource-constraint':False,
-			'service-unavailable':False,
-			'subscription-required':False,
-			'undefined-condition':False,
-			'unexpected-request':False}
-		self.stream_errors = {
-			'bad-format':False,
-			'bad-namespace-prefix':False,
-			'conflict':False,
-			'connection-timeout':False,
-			'host-gone':False,
-			'host-unknown':False,
-			'improper-addressing':False,
-			'internal-server-error':False,
-			'invalid-from':False,
-			'invalid-id':False,
-			'invalid-namespace':False,
-			'invalid-xml':False,
-			'not-authorized':False,
-			'policy-violation':False,
-			'remote-connection-failed':False,
-			'resource-constraint':False,
-			'restricted-xml':False,
-			'see-other-host':True,
-			'system-shutdown':False,
-			'undefined-condition':False,
-			'unsupported-encoding':False,
-			'unsupported-stanza-type':False,
-			'unsupported-version':False,
-			'xml-not-well-formed':False}
 		self.sentpresence = False
 		self.fulljid = ''
 		self.resource = ''
@@ -94,11 +55,21 @@ class basexmpp(object):
 		self.auto_subscribe = True
 		self.event_handlers = {}
 		self.roster = {}
-		self.registerHandler(Callback('IM', MatchMany((MatchXMLMask("<message xmlns='%s' type='chat'><body /></message>" % self.default_ns),MatchXMLMask("<message xmlns='%s' type='normal'><body /></message>" % self.default_ns),MatchXMLMask("<message xmlns='%s' type='__None__'><body /></message>" % self.default_ns))), self._handleMessage, thread=False))
-		self.registerHandler(Callback('Presence', MatchMany((MatchXMLMask("<presence xmlns='%s' type='available'/>" % self.default_ns),MatchXMLMask("<presence xmlns='%s' type='__None__'/>" % self.default_ns),MatchXMLMask("<presence xmlns='%s' type='unavailable'/>" % self.default_ns))), self._handlePresence, thread=False))
-		self.registerHandler(Callback('PresenceSubscribe', MatchMany((MatchXMLMask("<presence xmlns='%s' type='subscribe'/>" % self.default_ns),MatchXMLMask("<presence xmlns='%s' type='unsubscribed'/>" % self.default_ns))), self._handlePresenceSubscribe))
+		self.registerHandler(Callback('IM', MatchXMLMask("<message xmlns='%s'><body /></message>" % self.default_ns), self._handleMessage))
+		self.registerHandler(Callback('Presence', MatchXMLMask("<presence xmlns='%s' />" % self.default_ns), self._handlePresence))
+		self.add_event_handler('presence_subscribe', self._handlePresenceSubscribe)
 		self.registerStanza(Message)
 		self.registerStanza(Iq)
+		self.registerStanza(Presence)
+	
+	def Message(self, *args, **kwargs):
+		return Presence(self, *args, **kwargs)
+
+	def Iq(self, *args, **kwargs):
+		return Iq(self, *args, **kwargs)
+
+	def Presence(self, *args, **kwargs):
+		return Presence(self, *args, **kwargs)
 	
 	def set_jid(self, jid):
 		"""Rip a JID apart and claim it as our own."""
@@ -147,11 +118,17 @@ class basexmpp(object):
 	
 	def getId(self):
 		return "%x".upper() % self.id
+
+	def sendXML(self, data, mask=None, timeout=10):
+		return self.send(self.tostring(data), mask, timeout)
 	
-	def send(self, data, mask=None, timeout=60):
+	def send(self, data, mask=None, timeout=10):
 		#logging.warning("Deprecated send used for \"%s\"" % (data,))
-		if not type(data) == type(''):
-			data = self.tostring(data)
+		#if not type(data) == type(''):
+		#	data = self.tostring(data)
+		if hasattr(mask, 'xml'):
+			mask = mask.xml
+		data = str(data)
 		if mask is not None:
 			waitfor = XMLWaiter('SendWait_%s' % self.getNewId(), MatchXMLMask(mask))
 			self.registerHandler(waitfor)
@@ -160,86 +137,28 @@ class basexmpp(object):
 			return waitfor.wait(timeout)
 	
 	def makeIq(self, id=0, ifrom=None):
-		iq = ET.Element('{%s}iq' % self.default_ns)
-		if id == 0:
-			id = self.getNewId()
-		iq.set('id', str(id))
-		if ifrom is not None:
-			iq.attrib['from'] = ifrom
-		return iq
+		return self.Iq().setValues({'id': id, 'from': ifrom})
 	
 	def makeIqGet(self, queryxmlns = None):
-		iq = self.makeIq()
-		iq.set('type', 'get')
+		iq = self.Iq().setValues({'type': 'get'})
 		if queryxmlns:
-			query = ET.Element("{%s}query" % queryxmlns)
-			iq.append(query)
+			iq.append(ET.Element("{%s}query" % queryxmlns))
 		return iq
 	
 	def makeIqResult(self, id):
-		iq = self.makeIq(id)
-		iq.set('type', 'result')
-		return iq
+		return self.Iq().setValues({'id': id, 'type': 'result'})
 	
 	def makeIqSet(self, sub=None):
-		iq = self.makeIq()
-		iq.set('type', 'set')
+		iq = self.Iq().setValues({'type': 'set'})
 		if sub != None:
 			iq.append(sub)
 		return iq

-	def makeIqError(self, id):
-		iq = self.makeIq(id)
-		iq.set('type', 'error')
+	def makeIqError(self, id, type='cancel', condition='feature-not-implemented', text=None):
+		iq = self.Iq().setValues({'id': id})
+		iq['error'].setValues({'type': type, 'condition': condition, 'text': text})
 		return iq

-	def makeStanzaErrorCondition(self, condition, cdata=None):
-		if condition not in self.stanza_errors:
-			raise ValueError()
-		stanzaError = ET.Element('{urn:ietf:params:xml:ns:xmpp-stanzas}'+condition)
-		if cdata is not None:
-			if not self.stanza_errors[condition]:
-				raise ValueError()
-			stanzaError.text = cdata
-		return stanzaError
-
-
-	def makeStanzaError(self, condition, errorType, code=None, text=None, customElem=None):
-		if errorType not in ['auth', 'cancel', 'continue', 'modify', 'wait']:
-			raise ValueError()
-		error = ET.Element('error')
-		error.append(self.makeStanzaErrorCondition(condition))
-		error.set('type',errorType)
-		if code is not None:
-			error.set('code', code)
-		if text is not None:
-			textElem = ET.Element('text')
-			textElem.text = text
-			error.append(textElem)
-		if customElem is not None:
-			error.append(customElem)
-		return error
-
-	def makeStreamErrorCondition(self, condition, cdata=None):
-		if condition not in self.stream_errors:
-			raise ValueError()
-		streamError = ET.Element('{urn:ietf:params:xml:ns:xmpp-streams}'+condition)
-		if cdata is not None:
-			if not self.stream_errors[condition]:
-				raise ValueError()
-			textElem = ET.Element('text')
-			textElem.text = text
-			streamError.append(textElem)
-
-	def makeStreamError(self, errorElem, text=None):
-		error = ET.Element('error')
-		error.append(errorElem)
-		if text is not None:
-			textElem = ET.Element('text')
-			textElem.text = text
-			error.append(text)
-		return error
-
 	def makeIqQuery(self, iq, xmlns):
 		query = ET.Element("{%s}query" % xmlns)
 		iq.append(query)
@@ -355,61 +274,21 @@ class basexmpp(object):

 	def _handleMessage(self, msg):
 		self.event('message', msg)
-		#xml = msg.xml
-		#ns = xml.tag.split('}')[0]
-		#if ns == 'message':
-		#	ns = ''
-		#else:
-		#	ns = "%s}" % ns
-		#mfrom = xml.attrib['from']
-		#message = xml.find('%sbody' % ns).text
-		#subject = xml.find('%ssubject' % ns)
-		#if subject is not None:
-		#	subject = subject.text
-		#else:
-		#	subject = ''
-		#resource = self.getjidresource(mfrom)
-		#mfrom = self.getjidbare(mfrom)
-		#mtype = xml.attrib.get('type', 'normal')
-		#name = self.roster.get('name', '')
-		#self.event("message", {'jid': mfrom, 'resource': resource, 'name': name, 'type': mtype, 'subject': subject, 'message': message, 'to': xml.attrib.get('to', '')})
-
 	
 	def _handlePresence(self, presence):
-		xml = presence.xml
-		ns = xml.tag.split('}')[0]
-		if ns == 'presence':
-			ns = ''
-		else:
-			ns = "%s}" % ns
 		"""Update roster items based on presence"""
-		show = xml.find('%sshow' % ns)
-		status = xml.find('%sstatus' % ns)
-		priority = xml.find('%spriority' % ns)
-		fulljid = xml.attrib['from']
-		to = xml.attrib['to']
-		resource = self.getjidresource(fulljid)
-		if not resource:
-			resouce = None
-		jid = self.getjidbare(fulljid)
-		if type(status) == type(None) or status.text is None:
-			status = ''
-		else:
-			status = status.text
-		if type(show) == type(None): 
-			show = 'available'
-		else:
-			show = show.text
-		if xml.get('type', None) == 'unavailable':
-			show = 'unavailable'
-		if type(priority) == type(None):
-			priority = 0
-		else:
-			priority = int(priority.text)
+		self.event("presence_%s" % presence['type'], presence)
+		if not presence['type'] in ('available', 'unavailable'):
+			return
+		jid = presence['from'].bare
+		resource = presence['from'].resource
+		show = presence['type']
+		status = presence['status']
+		priority = presence['priority']
 		wasoffline = False
 		oldroster = self.roster.get(jid, {}).get(resource, {})
-		if not jid in self.roster:
-				self.roster[jid] = {'groups': [], 'name': '', 'subscription': 'none', 'presence': {}, 'in_roster': False}
+		if not presence['from'].bare in self.roster:
+			self.roster[jid] = {'groups': [], 'name': '', 'subscription': 'none', 'presence': {}, 'in_roster': False}
 		if not resource in self.roster[jid]['presence']:
 			wasoffline = True
 			self.roster[jid]['presence'][resource] = {'show': show, 'status': status, 'priority': priority}
@@ -417,12 +296,10 @@ class basexmpp(object):
 			if self.roster[jid]['presence'][resource].get('show', None) == 'unavailable':
 				wasoffline = True
 			self.roster[jid]['presence'][resource] = {'show': show, 'status': status}
-			if priority:
-				self.roster[jid]['presence'][resource]['priority'] = priority
+			self.roster[jid]['presence'][resource]['priority'] = priority
 		name = self.roster[jid].get('name', '')
-		eventdata = {'jid': jid, 'to': to, 'resource': resource, 'name': name, 'type': show, 'priority': priority, 'message': status}
-		if wasoffline and show in ('available', 'away', 'xa', 'na'):
-			self.event("got_online", eventdata)
+		if wasoffline and show in ('available', 'away', 'xa', 'na', 'ffc'):
+			self.event("got_online", presence)
 		elif not wasoffline and show == 'unavailable':
 			self.event("got_offline", eventdata)
 			if len(self.roster[jid]['presence']) > 1:
@@ -430,7 +307,7 @@ class basexmpp(object):
 			else:
 				del self.roster[jid]
 		elif oldroster != self.roster.get(jid, {'presence': {}})['presence'].get(resource, {}) and show != 'unavailable':
-			self.event("changed_status", eventdata)
+			self.event("changed_status", presence)
 		name = ''
 		if name:
 			name = "(%s) " % name
@@ -438,13 +315,9 @@ class basexmpp(object):
 	
 	def _handlePresenceSubscribe(self, presence):
 		"""Handling subscriptions automatically."""
-		xml = presence.xml
 		if self.auto_authorize == True:
-			#self.updateRoster(self.getjidbare(xml.attrib['from']))
-			self.send(self.makePresence(ptype='subscribed', pto=self.getjidbare(xml.attrib['from'])))
+			self.send(self.makePresence(ptype='subscribed', pto=presence['from'].bare))
 			if self.auto_subscribe:
-				self.send(self.makePresence(ptype='subscribe', pto=self.getjidbare(xml.attrib['from'])))
+				self.send(self.makePresence(ptype='subscribe', pto=presence['from'].bare))
 		elif self.auto_authorize == False:
-			self.send(self.makePresence(ptype='unsubscribed', pto=self.getjidbare(xml.attrib['from'])))
-		elif self.auto_authorize == None:
-			pass
+			self.send(self.makePresence(ptype='unsubscribed', pto=presence['from'].bare))
--- a/sleekxmpp/stanza/iq.py
+++ b/sleekxmpp/stanza/iq.py
@@ -1,5 +1,8 @@
 from .. xmlstream.stanzabase import StanzaBase
 from xml.etree import cElementTree as ET
+from . error import Error
+from .. xmlstream.handler.waiter import Waiter
+from .. xmlstream.matcher.id import MatcherId

 class Iq(StanzaBase):
 	interfaces = set(('type', 'to', 'from', 'id', 'body', 'subject'))
@@ -11,7 +14,6 @@ class Iq(StanzaBase):
 		StanzaBase.__init__(self, *args, **kwargs)
 		if self['id'] == '':
 			self['id'] = self.stream.getId()
-		print("________LOADED IQ CLASS")
 	
 	def result(self):
 		self['type'] = 'result'
@@ -37,3 +39,19 @@ class Iq(StanzaBase):
 	def unhandled(self):
 		pass
 		# returned unhandled error
+	
+	def exception(self, traceback=None):
+		pass
+	
+	def send(self, block=True, timeout=10):
+		if block:
+			waitfor = Waiter('IqWait_%s' % self['id'], MatcherId(self['id']))
+			self.stream.registerHandler(waitfor)
+			StanzaBase.send(self)
+			return waitfor.wait(timeout)
+		else:
+			return StanzaBase.send(self)
+		
+
+Iq.plugin_attrib_map['error'] = Error
+Iq.plugin_tag_map["{%s}%s" % (Error.namespace, Error.name)] = Error
--- a/sleekxmpp/stanza/message.py
+++ b/sleekxmpp/stanza/message.py
@@ -1,5 +1,6 @@
 from .. xmlstream.stanzabase import StanzaBase
 from xml.etree import cElementTree as ET
+from . error import Error

 class Message(StanzaBase):
 	interfaces = set(('type', 'to', 'from', 'id', 'body', 'subject'))
@@ -25,21 +26,5 @@ class Message(StanzaBase):
 			self['body'] = body
 		return self
 	
-if __name__ == '__main__':
-	m = Message()
-	m['to'] = 'me'
-	m['from'] = 'you'
-	m['type'] = 'chat'
-	m.reply()
-	m['body'] = 'Hello there!'
-	m['subject'] = 'whatever'
-	m['id'] = 'abc'
-	print(str(m))
-	print(m['body'])
-	print(m['subject'])
-	print(m['id'])
-	m['type'] = None
-	m['body'] = None
-	m['id'] = None
-	print(str(m))
-	print(m['type'])
+Message.plugin_attrib_map['error'] = Error
+Message.plugin_tag_map["{%s}%s" % (Error.namespace, Error.name)] = Error
--- a/sleekxmpp/stanza/presence.py
+++ b/sleekxmpp/stanza/presence.py
@@ -1,21 +1,51 @@
 from .. xmlstream.stanzabase import StanzaBase
-from .. xmlstream import xmlstream as xmlstreammod
-from .. xmlstream.matcher.xpath import MatchXPath
+from xml.etree import cElementTree as ET
+from . error import Error

-#_bases = [StanzaBase] + xmlstreammod.stanza_extensions.get('PresenceStanza', [])
+class Presence(StanzaBase):
+	interfaces = set(('type', 'to', 'from', 'id', 'status', 'priority'))
+	types = set(('available', 'unavailable', 'error', 'probe', 'subscribe', 'subscribed', 'unsubscribe', 'unsubscribed'))
+	showtypes = set(('dnd', 'ffc', 'xa', 'away'))
+	sub_interfaces = set(('status', 'priority'))
+	name = 'presence'
+	namespace = 'jabber:client'

-#class PresenceStanza(*_bases):
-class PresenceStanza(StanzaBase):
+	def getShowElement(self):
+		return self.xml.find("{%s}show" % self.namespace)
+
+	def setType(self, value):
+		if value in self.types:
+			show = self.getShowElement()
+			if value in self.types:
+				if show is not None:
+					self.xml.remove(show)
+				self._setAttr('type', value)
+			elif value in self.showtypes:
+				if show is None:
+					show = ET.Element("{%s}show" % self.namespace)
+				show.text = value
+		return self
+
+	def setPriority(self, value):
+		self._setSubText('priority', str(value))
 	
-	def __init__(self, stream, xml=None):
-		self.pfrom = ''
-		self.pto = ''
-		StanzaBase.__init__(self, stream, xml, xmlstreammod.stanza_extensions.get('PresenceStanza', []))
+	def getPriority(self):
+		p = self._getSubText('priority')
+		if not p: p = 0
+		return int(p)
+	
+	def getType(self):
+		out = self._getAttr('type')
+		if not out:
+			show = self.getShowElement()
+			if show is not None:
+				out = show.text
+		if not out or out is None:
+			out = 'available'
+		return out
+	
+	def delType(self):
+		self.setType('available')

-	def fromXML(self, xml):
-		StanzaBase.fromXML(self, xml)
-		self.pfrom = xml.get('from')
-		self.pto = xml.get('to')
-		self.ptype = xml.get('type')
-
-stanzas = ({'stanza_class': PresenceStanza, 'matcher': MatchXPath('{jabber:client}presence'), 'root': True},)
+Presence.plugin_attrib_map['error'] = Error
+Presence.plugin_tag_map["{%s}%s" % (Error.namespace, Error.name)] = Error
--- a/sleekxmpp/xmlstream/handler/waiter.py
+++ b/sleekxmpp/xmlstream/handler/waiter.py
@@ -1,6 +1,7 @@
 from . import base
 import queue
 import logging
+from .. stanzabase import StanzaBase

 class Waiter(base.BaseHandler):
 	
@@ -19,7 +20,7 @@ class Waiter(base.BaseHandler):
 			return self._payload.get(True, timeout)
 		except queue.Empty:
 			logging.warning("Timed out waiting for %s" % self.name)
-			return False
+			return StanzaBase(stype='error')
 	
 	def checkDelete(self):
 		return True
--- a/sleekxmpp/xmlstream/stanzabase.py
+++ b/sleekxmpp/xmlstream/stanzabase.py
@@ -13,33 +13,53 @@ class JID(object):
 			return self.jid.split('@', 1)[-1].split('/', 1)[0]
 		elif name == 'full':
 			return self.jid
+		elif name == 'bare':
+			return self.jid.split('/', 1)[0]
 	
 	def __str__(self):
 		return self.jid

-class StanzaBase(object):
+class ElementBase(object):
 	name = 'stanza'
+	plugin_attrib = 'plugin'
 	namespace = 'jabber:client'
 	interfaces = set(('type', 'to', 'from', 'id', 'payload'))
 	types = set(('get', 'set', 'error', None, 'unavailable', 'normal', 'chat'))
 	sub_interfaces = tuple()
+	plugin_attrib_map = {}
+	plugin_tag_map = {}

-	def __init__(self, stream, xml=None, stype=None, sto=None, sfrom=None, sid=None):
-		self.stream = stream
+	def __init__(self, xml=None, parent=None):
+		self.parent = parent
 		self.xml = xml
-		if xml is None:
-			self.xml = ET.Element("{%(namespace)s}%(name)s" % {'name': self.name, 'namespace': self.namespace})
-		if stype is not None:
-			self['type'] = stype
-		if sto is not None:
-			self['to'] = sto
-		if sfrom is not None:
-			self['from'] = sfrom
-		self.tag = "{%s}%s" % (self.stream.default_ns, self.name)
-	
+		self.plugins = {}
+		if not self.setup(xml) and len(self.plugin_attrib_map):
+			for child in self.xml.getchildren():
+				if child.tag in self.plugin_tag_map:
+					self.plugins[self.plugin_tag_map[child.tag].plugin_attrib] = self.plugin_tag_map[child.tag](xml=child, parent=self)
+
 	def match(self, xml):
 		return xml.tag == self.tag
 	
+	def setup(self, xml=None):
+		if self.xml is None:
+			self.xml = xml
+		if self.xml is None:
+			self.xml = ET.Element("{%(namespace)s}%(name)s" % {'name': self.name, 'namespace': self.namespace})
+			if self.parent is not None:
+				self.parent.xml.append(self.xml)
+			return True #had to generate XML
+		else:
+			return False
+
+	def enable(self, attrib):
+		self.initPlugin(attrib)
+		return self
+	
+	def initPlugin(self, attrib):
+		if attrib not in self.plugins:
+			self.plugins[attrib] = self.plugin_attrib_map[attrib](parent=self)
+	
 	def __getitem__(self, attrib):
 		if attrib in self.interfaces:
 			if hasattr(self, "get%s" % attrib.title()):
@@ -49,11 +69,14 @@ class StanzaBase(object):
 					return self._getSubText(attrib)
 				else:
 					return self._getAttr(attrib)
+		elif attrib in self.plugin_attrib_map:
+			self.initPlugin(attrib)
+			return self.plugins[attrib]
 		else:
 			return ''
 	
 	def __setitem__(self, attrib, value):
-		if attrib.lower() in self.interfaces:
+		if attrib in self.interfaces:
 			if value is not None:
 				if hasattr(self, "set%s" % attrib.title()):
 					getattr(self, "set%s" % attrib.title())(value,)
@@ -64,6 +87,9 @@ class StanzaBase(object):
 						self._setAttr(attrib, value)
 			else:
 				self.__delitem__(attrib)
+		elif attrib in self.plugin_map:
+			self.initPlugin(attrib)
+			self.plugins[attrib].setValues(value)
 		return self
 	
 	def __delitem__(self, attrib):
@@ -75,62 +101,18 @@ class StanzaBase(object):
 					return self._delSub(attrib)
 				else:
 					self._delAttr(attrib)
-		return self
-
-	def setType(self, value):
-		if value in self.types:
-			if value is None and 'type' in self.xml.attrib:
-				del self.xml.attrib['type']
-			elif value is not None:
-				self.xml.attrib['type'] = value
-		else:
-			raise ValueError
-		return self
-
-	def getPayload(self):
-		return self.xml.getchildren()
-	
-	def setPayload(self, value):
-		self.xml.append(value)
-	
-	def delPayload(self):
-		self.clear()
-	
-	def clear(self):
-		for child in self.xml.getchildren():
-			self.xml.remove(child)
-	
-	def reply(self):
-		self['from'], self['to'] = self['to'], self['from']
-		self.clear()
+		elif attrib in self.plugin_map:
+			if attrib in self.plugins:
+				del self.plugins[attrib]
 		return self
 	
-	def error(self):
-		self['type'] = 'error'
+	def __eq__(self, other):
+		values = self.getValues()
+		for key in other:
+			if key not in values or values[key] != other[key]:
+				return False
+		return True
 	
-	def getTo(self):
-		return JID(self._getAttr('to'))
-	
-	def setTo(self, value):
-		return self._setAttr('to', str(value))
-	
-	def getFrom(self):
-		return JID(self._getAttr('from'))
-	
-	def setFrom(self, value):
-		return self._setAttr('from', str(value))
-	
-	def getValues(self):
-		out = {}
-		for interface in self.interfaces:
-			out[interface] = self[interface]
-		return out
-	
-	def setValues(self, attrib):
-		for interface in attrib:
-			if interface in self.interfaces:
-				self[interface] = attrib[interface]
-
 	def _setAttr(self, name, value):
 		self.xml.attrib[name] = value
 	
@@ -162,6 +144,87 @@ class StanzaBase(object):
 			if child.tag == "{%s}%s" % (self.namespace, name):
 				self.xml.remove(child)
 	
+	def getValues(self):
+		out = {}
+		for interface in self.interfaces:
+			out[interface] = self[interface]
+		return out
+	
+	def setValues(self, attrib):
+		for interface in attrib:
+			if interface in self.interfaces:
+				self[interface] = attrib[interface]
+		return self
+	
+	def append(self, xml):
+		self.xml.append(xml)
+		return self
+	
+	def __del__(self):
+		if self.parent is not None:
+			self.parent.xml.remove(self.xml)
+
+class StanzaBase(ElementBase):
+	name = 'stanza'
+	namespace = 'jabber:client'
+	interfaces = set(('type', 'to', 'from', 'id', 'payload'))
+	types = set(('get', 'set', 'error', None, 'unavailable', 'normal', 'chat'))
+	sub_interfaces = tuple()
+
+	def __init__(self, stream, xml=None, stype=None, sto=None, sfrom=None, sid=None):
+		self.stream = stream
+		self.namespace = stream.default_ns
+		ElementBase.__init__(self, xml)
+		if stype is not None:
+			self['type'] = stype
+		if sto is not None:
+			self['to'] = sto
+		if sfrom is not None:
+			self['from'] = sfrom
+		self.tag = "{%s}%s" % (self.stream.default_ns, self.name)
+	
+	def setType(self, value):
+		if value in self.types:
+				self.xml.attrib['type'] = value
+		else:
+			raise ValueError
+		return self
+
+	def getPayload(self):
+		return self.xml.getchildren()
+	
+	def setPayload(self, value):
+		self.xml.append(value)
+	
+	def delPayload(self):
+		self.clear()
+	
+	def clear(self):
+		for child in self.xml.getchildren():
+			self.xml.remove(child)
+		for plugin in self.plugins:
+			del self.plugins[plugin]
+	
+	def reply(self):
+		self['from'], self['to'] = self['to'], self['from']
+		self.clear()
+		return self
+	
+	def error(self):
+		self['type'] = 'error'
+	
+	def getTo(self):
+		return JID(self._getAttr('to'))
+	
+	def setTo(self, value):
+		return self._setAttr('to', str(value))
+	
+	def getFrom(self):
+		return JID(self._getAttr('from'))
+	
+	def setFrom(self, value):
+		return self._setAttr('from', str(value))
+	
 	def unhandled(self):
 		pass
 	
@@ -226,15 +289,3 @@ class StanzaBase(object):
 					text[cc] = '&quot;'
 			cc += 1
 		return ''.join(text)
-		
-
-if __name__ == '__main__':
-	x = Stanza()
-	x['from'] = 'you'
-	x['to'] = 'me'
-	print(x['from'], x['to'])
-	x.reply()
-	print(x['from'], x['to'])
-	x['from'] = None
-	print(x['from'], x['to'])
-	print(str(x))