Patch default cache when using the cache panel

Author: gilmrjc

.python-version

@@ -0,0 +1 @@
+3.8.2

debug_toolbar/panels/cache.py

@@ -5,7 +5,12 @@
 
 from django.conf import settings
 from django.core import cache
-from django.core.cache import CacheHandler, caches as original_caches
+from django.core.cache import (
+    DEFAULT_CACHE_ALIAS,
+    CacheHandler,
+    cache as original_cache,
+    caches as original_caches,
+)
 from django.core.cache.backends.base import BaseCache
 from django.dispatch import Signal
 from django.middleware import cache as middleware_cache
@@ -246,8 +251,17 @@ def enable_instrumentation(self):
         else:
             cache.caches = CacheHandlerPatch()
 
+        # Patch default cache on Django 3.2
+        try:
+            from django.utils.connection import ConnectionProxy
+
+            cache.cache = ConnectionProxy(cache.caches, DEFAULT_CACHE_ALIAS)
+        except ImportError:
+            pass
+
     def disable_instrumentation(self):
         cache.caches = original_caches
+        cache.cache = original_cache
         # While it can be restored to the original, any views that were
         # wrapped with the cache_page decorator will continue to use a
         # monkey patched cache.