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[3.11] gh-93453: Only emit deprecation warning in asyncio.get_event_loop when a new event loop is created (#99949)
It no longer emits a deprecation warning if the current event loop was set. Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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235f5fd2ca
commit
3fae04b10e
13 changed files with 109 additions and 123 deletions
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@ -200,10 +200,8 @@ class BaseTaskTests:
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a = notmuch()
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self.addCleanup(a.close)
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with self.assertWarns(DeprecationWarning) as cm:
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with self.assertRaisesRegex(RuntimeError, 'There is no current event loop'):
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asyncio.ensure_future(a)
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self.assertEqual(cm.filename, __file__)
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with self.assertRaisesRegex(RuntimeError, 'no current event loop'):
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asyncio.ensure_future(a)
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async def test():
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return asyncio.ensure_future(notmuch())
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@ -213,12 +211,10 @@ class BaseTaskTests:
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self.assertTrue(t.done())
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self.assertEqual(t.result(), 'ok')
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# Deprecated in 3.10
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# Deprecated in 3.10, undeprecated in 3.11.1
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asyncio.set_event_loop(self.loop)
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self.addCleanup(asyncio.set_event_loop, None)
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with self.assertWarns(DeprecationWarning) as cm:
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t = asyncio.ensure_future(notmuch())
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self.assertEqual(cm.filename, __file__)
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t = asyncio.ensure_future(notmuch())
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self.assertIs(t._loop, self.loop)
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self.loop.run_until_complete(t)
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self.assertTrue(t.done())
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@ -1536,10 +1532,8 @@ class BaseTaskTests:
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self.addCleanup(a.close)
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futs = asyncio.as_completed([a])
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with self.assertWarns(DeprecationWarning) as cm:
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with self.assertRaisesRegex(RuntimeError, 'There is no current event loop'):
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list(futs)
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self.assertEqual(cm.filename, __file__)
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with self.assertRaisesRegex(RuntimeError, 'no current event loop'):
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list(futs)
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def test_as_completed_coroutine_use_running_loop(self):
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loop = self.new_test_loop()
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@ -1969,10 +1963,8 @@ class BaseTaskTests:
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inner = coro()
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self.addCleanup(inner.close)
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with self.assertWarns(DeprecationWarning) as cm:
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with self.assertRaisesRegex(RuntimeError, 'There is no current event loop'):
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asyncio.shield(inner)
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self.assertEqual(cm.filename, __file__)
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with self.assertRaisesRegex(RuntimeError, 'no current event loop'):
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asyncio.shield(inner)
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def test_shield_coroutine_use_running_loop(self):
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async def coro():
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@ -1986,15 +1978,13 @@ class BaseTaskTests:
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self.assertEqual(res, 42)
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def test_shield_coroutine_use_global_loop(self):
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# Deprecated in 3.10
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# Deprecated in 3.10, undeprecated in 3.11.1
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async def coro():
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return 42
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asyncio.set_event_loop(self.loop)
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self.addCleanup(asyncio.set_event_loop, None)
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with self.assertWarns(DeprecationWarning) as cm:
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outer = asyncio.shield(coro())
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self.assertEqual(cm.filename, __file__)
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outer = asyncio.shield(coro())
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self.assertEqual(outer._loop, self.loop)
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res = self.loop.run_until_complete(outer)
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self.assertEqual(res, 42)
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@ -2820,7 +2810,7 @@ class BaseCurrentLoopTests:
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self.assertIsNone(asyncio.current_task(loop=self.loop))
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def test_current_task_no_running_loop_implicit(self):
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with self.assertRaises(RuntimeError):
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with self.assertRaisesRegex(RuntimeError, 'no running event loop'):
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asyncio.current_task()
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def test_current_task_with_implicit_loop(self):
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@ -2984,10 +2974,8 @@ class FutureGatherTests(GatherTestsBase, test_utils.TestCase):
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return asyncio.gather(*args, **kwargs)
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def test_constructor_empty_sequence_without_loop(self):
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with self.assertWarns(DeprecationWarning) as cm:
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with self.assertRaises(RuntimeError):
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asyncio.gather()
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self.assertEqual(cm.filename, __file__)
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with self.assertRaisesRegex(RuntimeError, 'no current event loop'):
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asyncio.gather()
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def test_constructor_empty_sequence_use_running_loop(self):
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async def gather():
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@ -3000,12 +2988,10 @@ class FutureGatherTests(GatherTestsBase, test_utils.TestCase):
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self.assertEqual(fut.result(), [])
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def test_constructor_empty_sequence_use_global_loop(self):
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# Deprecated in 3.10
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# Deprecated in 3.10, undeprecated in 3.11.1
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asyncio.set_event_loop(self.one_loop)
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self.addCleanup(asyncio.set_event_loop, None)
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with self.assertWarns(DeprecationWarning) as cm:
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fut = asyncio.gather()
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self.assertEqual(cm.filename, __file__)
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fut = asyncio.gather()
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self.assertIsInstance(fut, asyncio.Future)
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self.assertIs(fut._loop, self.one_loop)
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self._run_loop(self.one_loop)
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@ -3093,10 +3079,8 @@ class CoroutineGatherTests(GatherTestsBase, test_utils.TestCase):
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self.addCleanup(gen1.close)
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gen2 = coro()
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self.addCleanup(gen2.close)
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with self.assertWarns(DeprecationWarning) as cm:
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with self.assertRaises(RuntimeError):
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asyncio.gather(gen1, gen2)
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self.assertEqual(cm.filename, __file__)
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with self.assertRaisesRegex(RuntimeError, 'no current event loop'):
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asyncio.gather(gen1, gen2)
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def test_constructor_use_running_loop(self):
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async def coro():
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@ -3110,16 +3094,14 @@ class CoroutineGatherTests(GatherTestsBase, test_utils.TestCase):
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self.one_loop.run_until_complete(fut)
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def test_constructor_use_global_loop(self):
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# Deprecated in 3.10
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# Deprecated in 3.10, undeprecated in 3.11.1
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async def coro():
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return 'abc'
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asyncio.set_event_loop(self.other_loop)
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self.addCleanup(asyncio.set_event_loop, None)
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gen1 = coro()
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gen2 = coro()
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with self.assertWarns(DeprecationWarning) as cm:
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fut = asyncio.gather(gen1, gen2)
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self.assertEqual(cm.filename, __file__)
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fut = asyncio.gather(gen1, gen2)
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self.assertIs(fut._loop, self.other_loop)
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self.other_loop.run_until_complete(fut)
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