Async compatible HistoryPanel

debug_toolbar/panels/history/panel.py

@@ -16,6 +16,7 @@
 class HistoryPanel(Panel):
     """A panel to display History"""
 
+    is_async = True
     title = _("History")
     nav_title = _("History")
     template = "debug_toolbar/panels/history.html"

debug_toolbar/toolbar.py

@@ -12,6 +12,7 @@
 from django.apps import apps
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
+from django.core.handlers.asgi import ASGIRequest
 from django.dispatch import Signal
 from django.template import TemplateSyntaxError
 from django.template.loader import render_to_string
@@ -106,7 +107,10 @@ def should_render_panels(self):
             # incompatible with the toolbar until
             # https://github.com/jazzband/django-debug-toolbar/issues/1430
             # is resolved.
-            render_panels = self.request.META.get("wsgi.multiprocess", True)
+            if isinstance(self.request, ASGIRequest):
+                render_panels = False
+            else:
+                render_panels = self.request.META.get("wsgi.multiprocess", True)
         return render_panels
 
     # Handle storing toolbars in memory and fetching them later on

docs/architecture.rst

@@ -82,7 +82,7 @@ Problematic Parts
 - Support for async and multi-threading: ``debug_toolbar.middleware.DebugToolbarMiddleware``
   is now async compatible and can process async requests. However certain
   panels such as ``SQLPanel``, ``TimerPanel``,  ``StaticFilesPanel``,
-  ``RequestPanel``, ``HistoryPanel`` and ``ProfilingPanel`` aren't fully
+  ``RequestPanel`` and ``ProfilingPanel`` aren't fully
   compatible and currently being worked on. For now, these panels
   are disabled by default when running in async environment.
   follow the progress of this issue in `Async compatible toolbar project <https://github.com/orgs/jazzband/projects/9>`_.