bito-code-review[bot] commented on code in PR #40746:
URL: https://github.com/apache/superset/pull/40746#discussion_r3453431286


##########
superset/mcp_service/user/schemas.py:
##########
@@ -277,10 +304,16 @@ def serialize_user_object(
     if include_sensitive and include_roles:
         user_roles = getattr(user, "roles", None)
         if user_roles is not None:
-            try:
-                roles = [r.name for r in user_roles if hasattr(r, "name")]
-            except (AttributeError, DetachedInstanceError):
-                roles = None
+            roles = []
+            for r in user_roles:
+                try:
+                    if hasattr(r, "name") and isinstance(r.name, str):
+                        roles.append(escape_llm_context_delimiters(r.name))
+                except (AttributeError, DetachedInstanceError):
+                    logger.debug(
+                        "Skipping role that raised exception in 
serialize_user_object"
+                    )
+                    continue

Review Comment:
   <div>
   
   
   <div id="suggestion">
   <div id="issue"><b>Move try-except outside loop</b></div>
   <div id="fix">
   
   The try-except inside the loop in `serialize_user_object` incurs performance 
overhead per PERF203. Consider restructuring to check membership or move 
validation outside the loop.
   </div>
   
   
   <details>
   <summary>
   <b>Code suggestion</b>
   </summary>
   <blockquote>Check the AI-generated fix before applying</blockquote>
   <div id="code">
   
   
   ````suggestion
           if user_roles is not None:
               roles = []
               for r in user_roles:
                   if not hasattr(r, "name"):
                       continue
                   name = r.name
                   if isinstance(name, str):
                       roles.append(escape_llm_context_delimiters(name)),
   ````
   
   </div>
   </details>
   
   
   
   </div>
   
   
   
   
   <small><i>Code Review Run #8137cc</i></small>
   </div>
   
   ---
   Should Bito avoid suggestions like this for future reviews? (<a 
href=https://alpha.bito.ai/home/ai-agents/review-rules>Manage Rules</a>)
   - [ ] Yes, avoid them



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