From ecfc188388147f3dd0d7b81756b5175d03f9790e Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 1 Oct 2025 05:59:48 +0000
Subject: [PATCH] Make ObjectSerializer handle all iterables including
 generators

Co-authored-by: alexta69 <7450369+alexta69@users.noreply.github.com>
---
 app/main.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/app/main.py b/app/main.py
index b13ac9a..73132a7 100644
--- a/app/main.py
+++ b/app/main.py
@@ -115,10 +115,18 @@ config = Config()
 
 class ObjectSerializer(json.JSONEncoder):
     def default(self, obj):
+        # First try to use __dict__ for custom objects
         if hasattr(obj, '__dict__'):
             return obj.__dict__
-        else:
-            return json.JSONEncoder.default(self, obj)
+        # Convert iterables (generators, dict_items, etc.) to lists
+        # Exclude strings and bytes which are also iterable
+        elif hasattr(obj, '__iter__') and not isinstance(obj, (str, bytes)):
+            try:
+                return list(obj)
+            except:
+                pass
+        # Fall back to default behavior
+        return json.JSONEncoder.default(self, obj)
 
 serializer = ObjectSerializer()
 app = web.Application()