Refs #34118 -- Adopted asgiref coroutine detection shims.

Thanks to Mariusz Felisiak for review.

1 files changed, 4 insertions, 7 deletions

diff --git a/django/utils/deprecation.py b/django/utils/deprecation.py
index caed5b25d4..19379dfe58 100644
--- a/django/utils/deprecation.py
+++ b/django/utils/deprecation.py
@@ -1,8 +1,7 @@
-import asyncio
 import inspect
 import warnings
 
-from asgiref.sync import sync_to_async
+from asgiref.sync import iscoroutinefunction, markcoroutinefunction, sync_to_async
 
 
 class RemovedInDjango50Warning(DeprecationWarning):
@@ -120,16 +119,14 @@ class MiddlewareMixin:
         If get_response is a coroutine function, turns us into async mode so
         a thread is not consumed during a whole request.
         """
-        if asyncio.iscoroutinefunction(self.get_response):
+        if iscoroutinefunction(self.get_response):
             # Mark the class as async-capable, but do the actual switch
             # inside __call__ to avoid swapping out dunder methods
-            self._is_coroutine = asyncio.coroutines._is_coroutine
-        else:
-            self._is_coroutine = None
+            markcoroutinefunction(self)
 
     def __call__(self, request):
         # Exit out to async mode, if needed
-        if self._is_coroutine:
+        if iscoroutinefunction(self):
             return self.__acall__(request)
         response = None
         if hasattr(self, "process_request"):