Added a basic example for using MUC.

examples/muc.py

@@ -0,0 +1,186 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+    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 sys
+import logging
+import time
+from optparse import OptionParser
+
+import sleekxmpp
+
+# Python versions before 3.0 do not use UTF-8 encoding
+# by default. To ensure that Unicode is handled properly
+# throughout SleekXMPP, we will set the default encoding
+# ourselves to UTF-8.
+if sys.version_info < (3, 0):
+    reload(sys)
+    sys.setdefaultencoding('utf8')
+
+
+class MUCBot(sleekxmpp.ClientXMPP):
+
+    """
+    A simple SleekXMPP bot that will greets those
+    who enter the room, and acknowledge any messages
+    that mentions the bot's nickname.
+    """
+
+    def __init__(self, jid, password, room, nick):
+        sleekxmpp.ClientXMPP.__init__(self, jid, password)
+
+        self.room = room
+        self.nick = nick
+
+        # The session_start event will be triggered when
+        # the bot establishes its connection with the server
+        # and the XML streams are ready for use. We want to
+        # listen for this event so that we we can intialize
+        # our roster.
+        self.add_event_handler("session_start", self.start)
+
+        # The groupchat_message event is triggered whenever a message
+        # stanza is received from any chat room. If you also also
+        # register a handler for the 'message' event, MUC messages
+        # will be processed by both handlers.
+        self.add_event_handler("groupchat_message", self.muc_message)
+
+        # The groupchat_presence event is triggered whenever a
+        # presence stanza is received from any chat room, including
+        # any presences you send yourself. To limit event handling
+        # to a single room, use the events muc::room@server::presence,
+        # muc::room@server::got_online, or muc::room@server::got_offline.
+        self.add_event_handler("muc::%s::got_online" % self.room,
+                               self.muc_online)
+        
+
+    def start(self, event):
+        """
+        Process the session_start event.
+
+        Typical actions for the session_start event are
+        requesting the roster and broadcasting an intial
+        presence stanza.
+
+        Arguments:
+            event -- An empty dictionary. The session_start
+                     event does not provide any additional
+                     data.
+        """
+        self.getRoster()
+        self.sendPresence()
+        self.plugin['xep_0045'].joinMUC(self.room, 
+                                        self.nick, 
+                                        # If a room password is needed, use:
+                                        # password=the_room_password,
+                                        wait=True)
+
+    def muc_message(self, msg):
+        """
+        Process incoming message stanzas from any chat room. Be aware 
+        that if you also have any handlers for the 'message' event,
+        message stanzas may be processed by both handlers, so check
+        the 'type' attribute when using a 'message' event handler.
+
+        Whenever the bot's nickname is mentioned, respond to
+        the message.
+
+        IMPORTANT: Always check that a message is not from yourself,
+                   otherwise you will create an infinite loop responding
+                   to your own messages.
+
+        This handler will reply to messages that mention 
+        the bot's nickname.
+
+        Arguments:
+            msg -- The received message stanza. See the documentation
+                   for stanza objects and the Message stanza to see
+                   how it may be used.
+        """
+        if msg['mucnick'] != self.nick and self.nick in msg['body']:
+            self.send_message(mto=msg['from'].bare,
+                              mbody="I heard that, %s." % msg['mucnick'],
+                              mtype='groupchat')
+
+    def muc_online(self, presence):
+        """
+        Process a presence stanza from a chat room. In this case,
+        presences from users that have just come online are 
+        handled by sending a welcome message that includes
+        the user's nickname and role in the room.
+
+        Arguments:
+            presence -- The received presence stanza. See the 
+                        documentation for the Presence stanza
+                        to see how else it may be used.
+        """
+        if presence['muc']['nick'] != self.nick:
+            self.send_message(mto=presence['from'].bare,
+                              mbody="Hello, %s %s" % (presence['muc']['role'],
+                                                      presence['muc']['nick']),
+                              mtype='groupchat')
+
+
+if __name__ == '__main__':
+    # Setup the command line arguments.
+    optp = OptionParser()
+
+    # Output verbosity options.
+    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)
+
+    # JID and password options.
+    optp.add_option("-j", "--jid", dest="jid",
+                    help="JID to use")
+    optp.add_option("-p", "--password", dest="password",
+                    help="password to use")
+    optp.add_option("-r", "--room", dest="room",
+                    help="MUC room to join")
+    optp.add_option("-n", "--nick", dest="nick",
+                    help="MUC nickname")
+
+    opts, args = optp.parse_args()
+
+    # Setup logging.
+    logging.basicConfig(level=opts.loglevel,
+                        format='%(levelname)-8s %(message)s')
+
+    if None in [opts.jid, opts.password, opts.room, opts.nick]:
+        optp.print_help()
+        sys.exit(1)
+
+    # Setup the MUCBot and register plugins. Note that while plugins may
+    # have interdependencies, the order in which you register them does
+    # not matter.
+    xmpp = MUCBot(opts.jid, opts.password, opts.room, opts.nick)
+    xmpp.register_plugin('xep_0030') # Service Discovery
+    xmpp.register_plugin('xep_0045') # Multi-User Chat
+    xmpp.register_plugin('xep_0199') # XMPP Ping
+
+    # Connect to the XMPP server and start processing XMPP stanzas.
+    if xmpp.connect():
+        # If you do not have the pydns library installed, you will need
+        # to manually specify the name of the server if it does not match
+        # the one in the JID. For example, to use Google Talk you would
+        # need to use:
+        #
+        # if xmpp.connect(('talk.google.com', 5222)):
+        #     ...
+        xmpp.process(threaded=False)
+        print("Done")
+    else:
+        print("Unable to connect.")