Refs #34118 -- Adopted asgiref coroutine detection shims.

Thanks to Mariusz Felisiak for review.

1 files changed, 5 insertions, 4 deletions

diff --git a/django/views/generic/base.py b/django/views/generic/base.py
index 3a3afb0c73..8f8f9397e8 100644
--- a/django/views/generic/base.py
+++ b/django/views/generic/base.py
@@ -1,6 +1,7 @@
-import asyncio
 import logging
 
+from asgiref.sync import iscoroutinefunction, markcoroutinefunction
+
 from django.core.exceptions import ImproperlyConfigured
 from django.http import (
     HttpResponse,
@@ -68,8 +69,8 @@ class View:
         ]
         if not handlers:
             return False
-        is_async = asyncio.iscoroutinefunction(handlers[0])
-        if not all(asyncio.iscoroutinefunction(h) == is_async for h in handlers[1:]):
+        is_async = iscoroutinefunction(handlers[0])
+        if not all(iscoroutinefunction(h) == is_async for h in handlers[1:]):
             raise ImproperlyConfigured(
                 f"{cls.__qualname__} HTTP handlers must either be all sync or all "
                 "async."
@@ -117,7 +118,7 @@ class View:
 
         # Mark the callback if the view class is async.
         if cls.view_is_async:
-            view._is_coroutine = asyncio.coroutines._is_coroutine
+            markcoroutinefunction(view)
 
         return view