python · asvetlov · Mar 13, 2022 · Mar 12, 2022 · Mar 12, 2022 · Mar 12, 2022
@@ -67,7 +67,10 @@ def _set_task_name(task, name):
        try:
            set_name = task.set_name
        except AttributeError:
-            pass
+            warnings.warn("Task.set_name() was added in Python 3.8, "
+                      "the method support will be mandatory for third-party "
+                      "task implementations since 3.13.",
+                      DeprecationWarning, stacklevel=3)
        else:
            set_name(name)


@@ -12,7 +12,6 @@
 import textwrap
 import traceback
 import unittest
-import weakref
 from unittest import mock
 from types import GenericAlias


diff --git a/Misc/NEWS.d/next/Library/2022-03-12-13-50-42.bpo-46995.2kdNDg.rst b/Misc/NEWS.d/next/Library/2022-03-12-13-50-42.bpo-46995.2kdNDg.rst
@@ -0,0 +1,2 @@
+Deprecate missing :meth:`asyncio.Task.set_name` for third-party task
+implementations, schedule making it mandatory in Python 3.13.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		Deprecate missing :meth:`asyncio.Task.set_name` for third-party task
		implementations, schedule making it mandatory in Python 3.13.