Reflect deprecation for asyncio.iscoroutinefunction

stdlib/@tests/test_cases/asyncio/check_coroutines.py → stdlib/@tests/test_cases/inspect/check_coroutines.py

@@ -1,7 +1,8 @@
 from __future__ import annotations
 
-from asyncio import iscoroutinefunction
 from collections.abc import Awaitable, Callable, Coroutine
+from inspect import iscoroutinefunction
+from types import CoroutineType
 from typing import Any
 from typing_extensions import assert_type
 
@@ -16,10 +17,10 @@ def test_iscoroutinefunction(
         assert_type(x, Callable[[str, int], Coroutine[str, int, bytes]])
 
     if iscoroutinefunction(y):
-        assert_type(y, Callable[[str, int], Coroutine[Any, Any, bytes]])
+        assert_type(y, Callable[[str, int], CoroutineType[Any, Any, bytes]])
 
     if iscoroutinefunction(z):
-        assert_type(z, Callable[[str, int], Coroutine[Any, Any, Any]])
+        assert_type(z, Callable[[str, int], CoroutineType[Any, Any, Any]])
 
     if iscoroutinefunction(xx):
-        assert_type(xx, Callable[..., Coroutine[Any, Any, Any]])
+        assert_type(xx, Callable[..., CoroutineType[Any, Any, Any]])

stdlib/asyncio/coroutines.pyi

@@ -1,7 +1,7 @@
 import sys
 from collections.abc import Awaitable, Callable, Coroutine
 from typing import Any, TypeVar, overload
-from typing_extensions import ParamSpec, TypeGuard, TypeIs
+from typing_extensions import ParamSpec, TypeGuard, TypeIs, deprecated
 
 # Keep asyncio.__all__ updated with any changes to __all__ here
 if sys.version_info >= (3, 11):
@@ -17,11 +17,15 @@ if sys.version_info < (3, 11):
     def coroutine(func: _FunctionT) -> _FunctionT: ...
 
 @overload
+@deprecated("Use inspect.iscoroutinefunction instead")
 def iscoroutinefunction(func: Callable[..., Coroutine[Any, Any, Any]]) -> bool: ...
 @overload
+@deprecated("Use inspect.iscoroutinefunction instead")
 def iscoroutinefunction(func: Callable[_P, Awaitable[_T]]) -> TypeGuard[Callable[_P, Coroutine[Any, Any, _T]]]: ...
 @overload
+@deprecated("Use inspect.iscoroutinefunction instead")
 def iscoroutinefunction(func: Callable[_P, object]) -> TypeGuard[Callable[_P, Coroutine[Any, Any, Any]]]: ...
 @overload
+@deprecated("Use inspect.iscoroutinefunction instead")
 def iscoroutinefunction(func: object) -> TypeGuard[Callable[..., Coroutine[Any, Any, Any]]]: ...
 def iscoroutine(obj: object) -> TypeIs[Coroutine[Any, Any, Any]]: ...