diff --git a/Lib/multiprocessing/synchronize.py b/Lib/multiprocessing/synchronize.py index d0be48f1fd7a8f1..42624b543601a16 100644 --- a/Lib/multiprocessing/synchronize.py +++ b/Lib/multiprocessing/synchronize.py @@ -353,6 +353,9 @@ def wait(self, timeout=None): return True return False + def __repr__(self) -> str: + set_status = 'set' if self.is_set() else 'unset' + return f"<{type(self).__qualname__} at {id(self):#x} {set_status}>" # # Barrier # diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py index 3bc5b8f3d79b02c..b2d656ab428975d 100644 --- a/Lib/test/_test_multiprocessing.py +++ b/Lib/test/_test_multiprocessing.py @@ -1645,7 +1645,20 @@ def test_event(self): self.assertEqual(wait(), True) p.join() -# + def test_repr(self) -> None: + event = self.Event() + if self.TYPE == 'processes': + self.assertRegex(repr(event), r"") + event.set() + self.assertRegex(repr(event), r"") + event.clear() + self.assertRegex(repr(event), r"") + elif self.TYPE == 'manager': + self.assertRegex(repr(event), r"