[3.10] bpo-44498: Issue a deprecation warning on asynchat, asyncore and smtpd import (GH-26882) (GH-26904)

* Issue a deprecation warning on smtpd import

* Also issue DeprecationWarnings for asynchat and asyncore

* Fix some tests

* test___all__ requires the word 'module' or 'package' in the deprecation
  warning text, so add those to smtpd, asynchat, and asyncore.
* In test_support, use pprint now instead of asyncore as the landmark.

* Add What's New

* Use ..deprecated::

* Use ..deprecated::

* Update Lib/smtpd.py

Co-authored-by: Miro Hrončok <miro@hroncok.cz>

* Update Doc/library/smtpd.rst

Co-authored-by: Miro Hrončok <miro@hroncok.cz>

* Import async{hat,ore} after the DeprecationWarning for this module

Co-authored-by: Miro Hrončok <miro@hroncok.cz>
(cherry picked from commit 8488b85c63)


Co-authored-by: Barry Warsaw <barry@python.org>

Automerge-Triggered-By: GH:warsaw
This commit is contained in:
Miss Islington (bot) 2021-06-24 12:57:55 -07:00 committed by GitHub
parent 11f1a30cdb
commit a80a38ee9a
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6 changed files with 40 additions and 9 deletions

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@ -292,8 +292,8 @@ def test_check_syntax_error(self):
def test_CleanImport(self):
import importlib
with import_helper.CleanImport("asyncore"):
importlib.import_module("asyncore")
with import_helper.CleanImport("pprint"):
importlib.import_module("pprint")
def test_DirsOnSysPath(self):
with import_helper.DirsOnSysPath('foo', 'bar'):