xmpp: Fix issues with reconnecting

hybridbot.py

@@ -5,13 +5,13 @@ import re
 import signal
 import sys
 import time
-from threading import Thread
-from irc.bot import SingleServerIRCBot
 import sleekxmpp
 if sys.version_info.major >= 3:
     from configparser import SafeConfigParser
 else:
     from ConfigParser import SafeConfigParser
+from threading import Thread
+from irc.bot import SingleServerIRCBot
 
 
 class IRCBot:
@@ -122,17 +122,23 @@ class XMPPBot:
 
     def register_handlers(self):
         self.client.add_event_handler('session_start', self.on_session_start)
+        self.client.add_event_handler('session_end', self.on_session_end)
         self.client.add_event_handler('groupchat_message', self.on_message)
         self.client.add_event_handler('muc::%s::presence' % self.muc,
                                       self.on_presence)
 
+    def connect(self):
+        if not self.client.connect():
+            # sys.stderr.write('could not connect!\n')
+            sys.stderr.write('Could not connect to server, or password ' +
+                             'mismatch!\n')
+            sys.exit(1)
+        # sys.stderr.write('connected with %s\n'%con)
+
     def join_muc(self):
         muc_plugin = self.client.plugin['xep_0045']
 
-        if self.muc in muc_plugin.getJoinedRooms():
-            muc_plugin.leaveMUC(self.muc, self.nick,
-                                msg='Replaced by new connection')
-        muc_plugin.joinMUC(self.muc, self.nick, wait=True)
+        muc_plugin.joinMUC(self.muc, self.nick)
 
     def on_session_start(self, event):
         print('Connected to XMPP')
@@ -140,6 +146,10 @@ class XMPPBot:
         self.client.send_presence()
         self.join_muc()
 
+    def on_session_end(self, event):
+        time.sleep(2.0)
+        self.connect()
+
     def on_message(self, event):
         body = event['body']
         nick = event['mucnick']
@@ -192,15 +202,9 @@ class XMPPBot:
     def start(self):
         self.client.register_plugin('xep_0045')  # XMPP MUC.
         self.client.register_plugin('xep_0199')  # XMPP Ping.
-        if self.client.connect():
-            # sys.stderr.write('connected with %s\n'%con)
         self.register_handlers()
+        self.connect()
         self.client.process(block=True)
-        else:
-            # sys.stderr.write('could not connect!\n')
-            sys.stderr.write('Could not connect to server, or password ' +
-                             'mismatch!\n')
-            sys.exit(1)
 
 
 class Intermedia:
@@ -320,8 +324,7 @@ if __name__ == '__main__':
         config.read('config.ini')
 
     if not config.sections():
-        sys.stderr.write('Error: Configuration file does not exist ' +
-                         'or is empty.\n')
+        sys.stderr.write('Error: Configuration file does not exist or is empty.\n')
         sys.exit(1)
 
     shared_opts['prefix'] = config.get('Shared', 'prefix')