Provide our own (non-blocking) wrappers for room configuration functions

src/multiuserchat.py

@@ -175,3 +175,23 @@ def set_user_affiliation(xmpp, muc_jid, affiliation, nick=None, jid=None, reason
         import traceback
         log.debug('Error setting the affiliation: %s', traceback.format_exc())
         return False
+
+def cancel_config(xmpp, room):
+    query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
+    x = ET.Element('{jabber:x:data}x', type='cancel')
+    query.append(x)
+    iq = xmpp.makeIqSet(query)
+    iq['to'] = room
+    iq.send(block=False)
+
+def configure_room(xmpp, room, form):
+    if form is None:
+        return
+    iq = xmpp.makeIqSet()
+    iq['to'] = room
+    query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
+    form = form.getXML('submit')
+    query.append(form)
+    iq.append(query)
+    iq.send(block=False)
+

src/tabs/muctab.py

@@ -372,14 +372,14 @@ class MucTab(ChatTab):
         """
         The user do not want to send his/her config, send an iq cancel
         """
-        self.core.xmpp.plugin['xep_0045'].cancelConfig(self.name)
+        muc.cancel_config(self.core.xmpp, self.name)
         self.core.close_tab()
 
     def send_config(self, form):
         """
         The user sends his/her config to the server
         """
-        self.core.xmpp.plugin['xep_0045'].configureRoom(self.name, form)
+        muc.configure_room(self.core.xmpp, self.name, form)
         self.core.close_tab()
 
     def command_cycle(self, arg):