Python : Handle situations in which FASI is unable to access to a group chat;

SVG    : Add Xabber;
TOML   : Add Xabber and update several descriptions;
XHTML  : Update note for Haiku.

fasi.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
+from asyncio import TimeoutError
 from datetime import datetime
 from email.utils import parseaddr
 from fastapi import FastAPI, Form, HTTPException, Request, Response
@@ -681,6 +682,12 @@ class HttpInstance:
             title = 'Internal Server Error'
             return result_get(request, action, title)
 
+        @self.app.exception_handler(504)
+        def time_out_exception_handler(request: Request, exc: HTTPException):
+            action = 'Warning'
+            title = 'Time Out'
+            return result_get(request, action, title)
+
         def result_get(request: Request, action: str, title: str):
             template_file = 'result.xhtml'
             template_dict = {
@@ -850,12 +857,17 @@ class FileUtilities:
                 node_title = jid_info['condition']
                 node_note = jid_info['text']
                 services = services_sorted = None
-            elif isinstance(room_info_muc, IqTimeout):
+            elif isinstance(room_info_muc['iq'], TimeoutError):
+                action = 'Warning'
+                node_title = 'Timeout'
+                node_note = 'Request timeout has reached'
+                services = services_sorted = None
+            elif isinstance(room_info_muc['iq'], IqTimeout):
                 action = 'Warning'
                 node_title = 'Timeout'
                 node_note = 'Timeout error'
                 services = services_sorted = None
-            elif isinstance(room_info_muc, IqError):
+            elif isinstance(room_info_muc['iq'], IqError):
                 action = 'Warning'
                 breakpoint()
                 node_title = room_info_muc['condition']
@@ -1366,11 +1378,17 @@ class XmppXep0045:
                 #presence_options = {"pfrom" : jid_from},
                 #seconds=seconds,
                 #since=since,
-                #timeout=30
+                timeout=5
                 )
+        except TimeoutError as e:
+            #raise HTTPException(status_code=504, detail='request-timeout-reached')
+            error = True
+            iq = e
+            condition = 'Request timeout reached'
+            text = str(e)
         except (IqError, IqTimeout, PresenceError) as e:
             error = True
-            iq = None
+            iq = e
             condition = e.iq['error']['condition']
             text = e.iq['error']['text']
         result = {