From aea64e7b87d12152ba01b3121fe042fc2ec4e446 Mon Sep 17 00:00:00 2001
From: Goffi <goffi@goffi.org>
Date: Thu, 6 Oct 2022 16:02:05 +0200
Subject: [PATCH] plugin XEP-0334: avoid adding twice the same hint:

rel 379
---
 sat/plugins/plugin_xep_0334.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sat/plugins/plugin_xep_0334.py b/sat/plugins/plugin_xep_0334.py
index d1c3416f..571cdf55 100644
--- a/sat/plugins/plugin_xep_0334.py
+++ b/sat/plugins/plugin_xep_0334.py
@@ -92,7 +92,10 @@ class XEP_0334(object):
         @param hints: hints to add
         """
         for hint in hints:
-            message_elt.addElement((NS_HINTS, hint))
+            if not list(message_elt.elements(NS_HINTS, hint)):
+                message_elt.addElement((NS_HINTS, hint))
+            else:
+                log.debug('Not adding {hint!r} hint: it is already present in <message>')
 
     def _sendPostXmlTreatment(self, mess_data):
         if "hints" in mess_data: