Fix display of values in settings panel

debug_toolbar/panels/settings.py

@@ -1,12 +1,20 @@
+from pprint import pformat
+
 from django.utils.translation import gettext_lazy as _
 from django.views.debug import get_default_exception_reporter_filter
 
 from debug_toolbar.panels import Panel
-from debug_toolbar.sanitize import force_str
 
 get_safe_settings = get_default_exception_reporter_filter().get_safe_settings
 
 
+def safe_pformat(obj):
+    try:
+        return pformat(obj)
+    except Exception as e:
+        return f"<unformattable {type(obj).__name__}: {e!r}>"
+
+
 class SettingsPanel(Panel):
     """
     A panel to display all variables in django.conf.settings
@@ -27,7 +35,7 @@ def generate_stats(self, request, response):
         self.record_stats(
             {
                 "settings": {
-                    key: force_str(value)
+                    key: safe_pformat(value)
                     for key, value in sorted(get_safe_settings().items())
                 }
             }

debug_toolbar/templates/debug_toolbar/panels/settings.html

@@ -10,7 +10,7 @@
     {% for name, value in settings.items %}
       <tr>
         <td>{{ name }}</td>
-        <td><code>{{ value|pprint }}</code></td>
+        <td><code>{{ value }}</code></td>
       </tr>
     {% endfor %}
   </tbody>

docs/changes.rst

@@ -16,6 +16,7 @@ Pending
   ``debug_toolbar.store.DatabaseStore`` with ``SKIP_TOOLBAR_QUERIES``.
 * Fixed font family for code blocks and stack traces in the toolbar.
 * Added test to confirm Django's ``TestCase.assertNumQueries`` works.
+* Fixed display of values in settings panel.
 
 6.1.0 (2025-10-30)
 ------------------

tests/panels/test_settings.py

@@ -1,6 +1,25 @@
-from django.test import override_settings
+from django.test import RequestFactory, override_settings
 
-from ..base import IntegrationTestCase
+from debug_toolbar.panels.settings import SettingsPanel
+
+from ..base import BaseTestCase, IntegrationTestCase
+
+rf = RequestFactory()
+
+
+class SettingsPanelTestCase(BaseTestCase):
+    panel_id = SettingsPanel.panel_id
+
+    def test_panel_recording(self):
+        self.request = rf.post("/", data={"foo": "bar"})
+        response = self.panel.process_request(self.request)
+        self.panel.generate_stats(self.request, response)
+
+        settings = self.panel.get_stats()["settings"]
+        self.assertEqual(settings["USE_THOUSAND_SEPARATOR"], "False")
+        self.assertEqual(settings["ABSOLUTE_URL_OVERRIDES"], "{}")
+        self.assertEqual(settings["EMAIL_HOST"], "'localhost'")
+        self.assertEqual(settings["EMAIL_PORT"], "25")
 
 
 @override_settings(DEBUG=True)