From c93bd14ae3cfc5a8667ab027db5f36b710cbb71b Mon Sep 17 00:00:00 2001
From: "T. Franzel" <tfranzel@users.noreply.github.com>
Date: Sun, 28 Jan 2024 13:16:41 +0100
Subject: [PATCH] fix yaml encoder for OrderedDict objects #1158

---
 drf_spectacular/renderers.py | 5 +++++
 tests/test_regressions.py    | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drf_spectacular/renderers.py b/drf_spectacular/renderers.py
index dfdef194..949331b7 100644
--- a/drf_spectacular/renderers.py
+++ b/drf_spectacular/renderers.py
@@ -1,3 +1,4 @@
+from collections import OrderedDict
 from datetime import time, timedelta
 from decimal import Decimal
 from uuid import UUID
@@ -53,6 +54,10 @@ def safestring_representer(dumper, data):
             return dumper.represent_str(data)
         Dumper.add_representer(SafeString, safestring_representer)
 
+        def ordereddict_representer(dumper, data):
+            return dumper.represent_dict(dict(data))
+        Dumper.add_representer(OrderedDict, ordereddict_representer)
+
         return yaml.dump(
             data,
             default_flow_style=False,
diff --git a/tests/test_regressions.py b/tests/test_regressions.py
index 0e33b356..9bdac659 100644
--- a/tests/test_regressions.py
+++ b/tests/test_regressions.py
@@ -1,3 +1,4 @@
+import collections
 import datetime
 import re
 import typing
@@ -2057,7 +2058,8 @@ class RouteNestedViewset(viewsets.ModelViewSet):
     datetime.timedelta(days=1),
     uuid.uuid4(),
     Decimal(),
-    b'deadbeef'
+    b'deadbeef',
+    collections.OrderedDict([('a', 1), ('b', 2)]),
 ])
 def test_yaml_encoder_parity(no_warnings, value):
     # make sure our YAML renderer does not choke on objects that are fine with