diff --git a/Lib/test/test_warnings/__init__.py b/Lib/test/test_warnings/__init__.py index 4416ed0f3ed..e7a6f732ee1 100644 --- a/Lib/test/test_warnings/__init__.py +++ b/Lib/test/test_warnings/__init__.py @@ -1,6 +1,7 @@ from contextlib import contextmanager import linecache import os +import inspect from io import StringIO import re import sys @@ -1682,6 +1683,29 @@ class DeprecatedTests(unittest.TestCase): isinstance(cell.cell_contents, deprecated) for cell in d.__closure__ )) + def test_inspect(self): + @deprecated("depr") + def sync(): + pass + + @deprecated("depr") + async def coro(): + pass + + class Cls: + @deprecated("depr") + def sync(self): + pass + + @deprecated("depr") + async def coro(self): + pass + + self.assertFalse(inspect.iscoroutinefunction(sync)) + self.assertTrue(inspect.iscoroutinefunction(coro)) + self.assertFalse(inspect.iscoroutinefunction(Cls.sync)) + self.assertTrue(inspect.iscoroutinefunction(Cls.coro)) + def setUpModule(): py_warnings.onceregistry.clear() c_warnings.onceregistry.clear() diff --git a/Lib/warnings.py b/Lib/warnings.py index 20a39d54bf7..430e4748b97 100644 --- a/Lib/warnings.py +++ b/Lib/warnings.py @@ -629,12 +629,16 @@ class deprecated: return arg elif callable(arg): import functools + import inspect @functools.wraps(arg) def wrapper(*args, **kwargs): warn(msg, category=category, stacklevel=stacklevel + 1) return arg(*args, **kwargs) + if inspect.iscoroutinefunction(arg): + wrapper = inspect.markcoroutinefunction(wrapper) + arg.__deprecated__ = wrapper.__deprecated__ = msg return wrapper else: diff --git a/Misc/NEWS.d/next/Library/2024-07-21-18-03-30.gh-issue-122088.vi2bP-.rst b/Misc/NEWS.d/next/Library/2024-07-21-18-03-30.gh-issue-122088.vi2bP-.rst new file mode 100644 index 00000000000..9c173d8c462 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2024-07-21-18-03-30.gh-issue-122088.vi2bP-.rst @@ -0,0 +1,3 @@ +:func:`@warnings.deprecated ` now copies the +coroutine status of functions and methods so that +:func:`inspect.iscoroutinefunction` returns the correct result.