Merge pull request #4303 from pgjones/cpy_ensure

`copy_current_request_context` can decorate async functions

CHANGES.rst

@@ -29,6 +29,9 @@ Unreleased
     -   ``add_etags`` is renamed to ``etag``.
     -   ``filename`` is renamed to ``path``.
 
+-   ``copy_current_request_context`` can decorate async functions.
+    :pr:`4303`
+
 
 Version 2.0.3
 -------------

src/flask/ctx.py

@@ -169,7 +169,7 @@ def copy_current_request_context(f: t.Callable) -> t.Callable:
 
     def wrapper(*args, **kwargs):
         with reqctx:
-            return f(*args, **kwargs)
+            return reqctx.app.ensure_sync(f)(*args, **kwargs)
 
     return update_wrapper(wrapper, f)