refactor: Removed obsolete _async_fixture attribute from async fixture defs.

Author: seifertm

pytest_asyncio/plugin.py

@@ -275,13 +275,9 @@ def _synchronize_async_fixture(fixturedef: FixtureDef) -> None:
     """
     Wraps the fixture function of an async fixture in a synchronous function.
     """
-    if inspect.isasyncgenfunction(fixturedef.func) or getattr(
-        fixturedef.func, "_async_fixture", False
-    ):
+    if inspect.isasyncgenfunction(fixturedef.func):
         _wrap_asyncgen_fixture(fixturedef)
-    elif inspect.iscoroutinefunction(fixturedef.func) or getattr(
-        fixturedef.func, "_async_fixture", False
-    ):
+    elif inspect.iscoroutinefunction(fixturedef.func):
         _wrap_async_fixture(fixturedef)
 
 
@@ -321,8 +317,6 @@ def _perhaps_rebind_fixture_func(
 
 def _wrap_asyncgen_fixture(fixturedef: FixtureDef) -> None:
     fixture = fixturedef.func
-    if getattr(fixture, "_async_fixture", False):
-        return fixture
 
     @functools.wraps(fixture)
     def _asyncgen_fixture_wrapper(request: FixtureRequest, **kwargs: Any):
@@ -369,17 +363,12 @@ async def async_finalizer() -> None:
         request.addfinalizer(finalizer)
         return result
 
-    setattr(_asyncgen_fixture_wrapper, "_async_fixture", True)
-
     fixturedef.func = _asyncgen_fixture_wrapper
 
 
 def _wrap_async_fixture(fixturedef: FixtureDef) -> None:
     fixture = fixturedef.func
 
-    if getattr(fixture, "_async_fixture", False):
-        return fixture
-
     @functools.wraps(fixture)
     def _async_fixture_wrapper(request: FixtureRequest, **kwargs: Any):
         unittest = False if pytest.version_tuple >= (8, 2) else fixturedef.unittest
@@ -407,8 +396,6 @@ async def setup():
 
         return event_loop.run_until_complete(setup())
 
-    setattr(_async_fixture_wrapper, "_async_fixture", True)
-
     fixturedef.func = _async_fixture_wrapper