--- a/sat/plugins/plugin_xep_0249.py	Fri Apr 07 15:18:39 2023 +0200
+++ b/sat/plugins/plugin_xep_0249.py	Sat Apr 08 13:54:42 2023 +0200
@@ -86,18 +86,18 @@
     def __init__(self, host):
         log.info(_("Plugin XEP_0249 initialization"))
         self.host = host
-        host.memory.updateParams(self.params)
-        host.bridge.addMethod(
-            "inviteMUC", ".plugin", in_sign="ssa{ss}s", out_sign="", method=self._invite
+        host.memory.update_params(self.params)
+        host.bridge.add_method(
+            "muc_invite", ".plugin", in_sign="ssa{ss}s", out_sign="", method=self._invite
         )
         try:
-            self.host.plugins[C.TEXT_CMDS].registerTextCommands(self)
+            self.host.plugins[C.TEXT_CMDS].register_text_commands(self)
         except KeyError:
             log.info(_("Text commands not available"))
-        host.registerNamespace('x-conference', NS_X_CONFERENCE)
-        host.trigger.add("messageReceived", self._messageReceivedTrigger)
+        host.register_namespace('x-conference', NS_X_CONFERENCE)
+        host.trigger.add("messageReceived", self._message_received_trigger)
 
-    def getHandler(self, client):
+    def get_handler(self, client):
         return XEP_0249_handler()
 
     def _invite(self, guest_jid_s, room_jid_s, options, profile_key):
@@ -109,7 +109,7 @@
         @param profile_key: %(doc_profile_key)s
         """
         # TODO: check parameters validity
-        client = self.host.getClient(profile_key)
+        client = self.host.get_client(profile_key)
         self.invite(client, jid.JID(guest_jid_s), jid.JID(room_jid_s, options))
 
     def invite(self, client, guest, room, options={}):
@@ -136,7 +136,7 @@
 
         @param room (jid.JID): JID of the room
         """
-        client = self.host.getClient(profile_key)
+        client = self.host.get_client(profile_key)
         log.info(
             _("Invitation accepted for room %(room)s [%(profile)s]")
             % {"room": room_jid.userhost(), "profile": client.profile}
@@ -146,7 +146,7 @@
         )
         return d
 
-    def _messageReceivedTrigger(self, client, message_elt, post_treat):
+    def _message_received_trigger(self, client, message_elt, post_treat):
         """Check if a direct invitation is in the message, and handle it"""
         x_elt = next(message_elt.elements(NS_X_CONFERENCE, 'x'), None)
         if x_elt is None:
@@ -165,7 +165,7 @@
         from_jid_s = message_elt["from"]
         room_jid = jid.JID(room_jid_s)
         try:
-            self.host.plugins["XEP-0045"].checkRoomJoined(client, room_jid)
+            self.host.plugins["XEP-0045"].check_room_joined(client, room_jid)
         except exceptions.NotFound:
             pass
         else:
@@ -174,7 +174,7 @@
             )
             return
 
-        autojoin = self.host.memory.getParamA(
+        autojoin = self.host.memory.param_get_a(
             AUTOJOIN_NAME, AUTOJOIN_KEY, profile_key=client.profile
         )
 
@@ -186,14 +186,14 @@
                 "declined according to your personal settings."
             ) % {"user": from_jid_s, "room": room_jid_s}
             title = D_("MUC invitation")
-            xml_tools.quickNote(self.host, client, msg, title, C.XMLUI_DATA_LVL_INFO)
+            xml_tools.quick_note(self.host, client, msg, title, C.XMLUI_DATA_LVL_INFO)
         else:  # leave the default value here
             confirm_msg = D_(
                 "You have been invited by %(user)s to join the room %(room)s. "
                 "Do you accept?"
             ) % {"user": from_jid_s, "room": room_jid_s}
             confirm_title = D_("MUC invitation")
-            d = xml_tools.deferConfirm(
+            d = xml_tools.defer_confirm(
                 self.host, confirm_msg, confirm_title, profile=client.profile
             )
 
@@ -219,7 +219,7 @@
                 "You must provide a valid JID to invite, like in '/invite "
                 "contact@{host}'"
             ).format(host=my_host)
-            self.host.plugins[C.TEXT_CMDS].feedBack(client, feedback, mess_data)
+            self.host.plugins[C.TEXT_CMDS].feed_back(client, feedback, mess_data)
             return False
         if not contact_jid.user:
             contact_jid.user, contact_jid.host = contact_jid.host, my_host