Replace deprecated asyncio.iscoroutinefunction with its counterpart from inspect

CHANGES/10634.bugfix.rst

@@ -0,0 +1,2 @@
+Replaced deprecated ``asyncio.iscoroutinefunction`` with its counterpart from ``inspect``
+-- by :user:`layday`.

aiohttp/pytest_plugin.py

@@ -106,7 +106,7 @@ def pytest_fixture_setup(fixturedef):  # type: ignore[no-untyped-def]
     if inspect.isasyncgenfunction(func):
         # async generator fixture
         is_async_gen = True
-    elif asyncio.iscoroutinefunction(func):
+    elif inspect.iscoroutinefunction(func):
         # regular async fixture
         is_async_gen = False
     else:
@@ -216,14 +216,14 @@ def _passthrough_loop_context(
 
 def pytest_pycollect_makeitem(collector, name, obj):  # type: ignore[no-untyped-def]
     """Fix pytest collecting for coroutines."""
-    if collector.funcnamefilter(name) and asyncio.iscoroutinefunction(obj):
+    if collector.funcnamefilter(name) and inspect.iscoroutinefunction(obj):
         return list(collector._genfunctions(name, obj))
 
 
 def pytest_pyfunc_call(pyfuncitem):  # type: ignore[no-untyped-def]
     """Run coroutines in an event loop instead of a normal function call."""
     fast = pyfuncitem.config.getoption("--aiohttp-fast")
-    if asyncio.iscoroutinefunction(pyfuncitem.function):
+    if inspect.iscoroutinefunction(pyfuncitem.function):
         existing_loop = pyfuncitem.funcargs.get(
             "proactor_loop"
         ) or pyfuncitem.funcargs.get("loop", None)

aiohttp/web_urldispatcher.py

@@ -4,6 +4,7 @@
 import functools
 import hashlib
 import html
+import inspect
 import keyword
 import os
 import re
@@ -174,15 +175,17 @@ def __init__(
         if expect_handler is None:
             expect_handler = _default_expect_handler
 
-        assert asyncio.iscoroutinefunction(
-            expect_handler
+        assert inspect.iscoroutinefunction(expect_handler) or (
+            sys.version_info < (3, 14) and asyncio.iscoroutinefunction(expect_handler)
         ), f"Coroutine is expected, got {expect_handler!r}"
 
         method = method.upper()
         if not HTTP_METHOD_RE.match(method):
             raise ValueError(f"{method} is not allowed HTTP method")
 
-        if asyncio.iscoroutinefunction(handler):
+        if inspect.iscoroutinefunction(handler) or (
+            sys.version_info < (3, 14) and asyncio.iscoroutinefunction(handler)
+        ):
             pass
         elif isinstance(handler, type) and issubclass(handler, AbstractView):
             pass

aiohttp/worker.py

@@ -1,6 +1,7 @@
 """Async gunicorn worker for aiohttp.web"""
 
 import asyncio
+import inspect
 import os
 import re
 import signal
@@ -68,7 +69,9 @@ async def _run(self) -> None:
         runner = None
         if isinstance(self.wsgi, Application):
             app = self.wsgi
-        elif asyncio.iscoroutinefunction(self.wsgi):
+        elif inspect.iscoroutinefunction(self.wsgi) or (
+            sys.version_info < (3, 14) and asyncio.iscoroutinefunction(self.wsgi)
+        ):
             wsgi = await self.wsgi()
             if isinstance(wsgi, web.AppRunner):
                 runner = wsgi