From 2de1be188cf86e6ebb790938e276ecb85379a5b3 Mon Sep 17 00:00:00 2001
From: Lance Stout <lancestout@gmail.com>
Date: Thu, 17 Nov 2011 12:25:56 -0800
Subject: Add echo component example.

---
 examples/echo_component.py | 122 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100755 examples/echo_component.py

diff --git a/examples/echo_component.py b/examples/echo_component.py
new file mode 100755
index 00000000..f569e001
--- /dev/null
+++ b/examples/echo_component.py
@@ -0,0 +1,122 @@
+#!/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
+from sleekxmpp.componentxmpp import ComponentXMPP
+
+# 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')
+else:
+    raw_input = input
+
+
+class EchoComponent(ComponentXMPP):
+
+    """
+    A simple SleekXMPP component that echoes messages.
+    """
+
+    def __init__(self, jid, secret, server, port):
+        ComponentXMPP.__init__(self, jid, secret, server, port)
+
+        # You don't need a session_start handler, but that is
+        # where you would broadcast initial presence.
+
+        # The message event is triggered whenever a message
+        # stanza is received. Be aware that that includes
+        # MUC messages and error messages.
+        self.add_event_handler("message", self.message)
+
+    def message(self, msg):
+        """
+        Process incoming message stanzas. Be aware that this also
+        includes MUC messages and error messages. It is usually
+        a good idea to check the messages's type before processing
+        or sending replies.
+
+        Since a component may send messages from any number of JIDs,
+        it is best to always include a from JID.
+
+        Arguments:
+            msg -- The received message stanza. See the documentation
+                   for stanza objects and the Message stanza to see
+                   how it may be used.
+        """
+        # The reply method will use the messages 'to' JID as the
+        # outgoing reply's 'from' JID.
+        msg.reply("Thanks for sending\n%(body)s" % msg).send()
+
+
+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("-s", "--server", dest="server",
+                    help="server to connect to")
+    optp.add_option("-P", "--port", dest="port",
+                    help="port to connect to")
+
+    opts, args = optp.parse_args()
+
+    if opts.jid is None:
+        opts.jid = raw_input("Component JID: ")
+    if opts.password is None:
+        opts.password = getpass.getpass("Password: ")
+    if opts.server is None:
+        opts.server = raw_input("Server: ")
+    if opts.port is None:
+        opts.port = int(raw_input("Port: "))
+
+    # Setup logging.
+    logging.basicConfig(level=opts.loglevel,
+                        format='%(levelname)-8s %(message)s')
+
+    # Setup the EchoComponent and register plugins. Note that while plugins
+    # may have interdependencies, the order in which you register them does
+    # not matter.
+    xmpp = EchoComponent(opts.jid, opts.password, opts.server, opts.port)
+    xmpp.registerPlugin('xep_0030') # Service Discovery
+    xmpp.registerPlugin('xep_0004') # Data Forms
+    xmpp.registerPlugin('xep_0060') # PubSub
+    xmpp.registerPlugin('xep_0199') # XMPP Ping
+
+    # Connect to the XMPP server and start processing XMPP stanzas.
+    if xmpp.connect():
+        xmpp.process(threaded=False)
+        print("Done")
+    else:
+        print("Unable to connect.")
-- 
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