added functionality to keep unsort the session dict

debug_toolbar/panels/request.py

@@ -59,13 +59,12 @@ def generate_stats(self, request, response):
         self.record_stats(view_info)
 
         if hasattr(request, "session"):
-            self.record_stats(
-                {
-                    "session": {
-                        "list": [
-                            (k, request.session.get(k))
-                            for k in sorted(request.session.keys())
-                        ]
-                    }
-                }
-            )
+            try:
+                session_list = [
+                    (k, request.session.get(k)) for k in sorted(request.session.keys())
+                ]
+            except TypeError:
+                session_list = [
+                    (k, request.session.get(k)) for k in request.session.keys()
+                ]
+            self.record_stats({"session": {"list": session_list}})

docs/changes.rst

@@ -16,6 +16,8 @@ Pending
   ``settings.BASE_DIR``.
 * The toolbar's font stack now prefers system UI fonts. Tweaked paddings,
   margins and alignments a bit in the CSS code.
+* Only sort the session dictionary when the keys are all strings. Fixes a
+  bug that causes the toolbar to crash when non-strings are used as keys.
 
 3.6.0 (2022-08-17)
 ------------------

tests/panels/test_request.py

@@ -104,3 +104,32 @@ def test_namespaced_url(self):
         self.panel.generate_stats(self.request, response)
         panel_stats = self.panel.get_stats()
         self.assertEqual(panel_stats["view_urlname"], "admin:login")
+
+    def test_session_list_sorted_or_not(self):
+        """
+        Verify the session is sorted when all keys are strings.
+
+        See  https://github.com/jazzband/django-debug-toolbar/issues/1668
+        """
+        self.request.session = {
+            1: "value",
+            "data": ["foo", "bar", 1],
+            (2, 3): "tuple_key",
+        }
+        data = {
+            "list": [(1, "value"), ("data", ["foo", "bar", 1]), ((2, 3), "tuple_key")]
+        }
+        response = self.panel.process_request(self.request)
+        self.panel.generate_stats(self.request, response)
+        panel_stats = self.panel.get_stats()
+        self.assertEqual(panel_stats["session"], data)
+
+        self.request.session = {
+            "b": "b-value",
+            "a": "a-value",
+        }
+        data = {"list": [("a", "a-value"), ("b", "b-value")]}
+        response = self.panel.process_request(self.request)
+        self.panel.generate_stats(self.request, response)
+        panel_stats = self.panel.get_stats()
+        self.assertEqual(panel_stats["session"], data)