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bpo-28533: Remove asyncore, asynchat, smtpd modules #29521

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merged 1 commit into from Nov 15, 2021

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@vstinner vstinner commented Nov 11, 2021

Remove the asyncore and asynchat modules, deprecated in Python
3.6: use the asyncio module instead.

Remove the smtpd module, deprecated in Python 3.6: the aiosmtpd
module can be used instead, it is based on asyncio.

  • Remove asyncore, asynchat and smtpd documentation
  • Remove test_asyncore, test_asynchat and test_smtpd
  • Rename Lib/asynchat.py to Lib/test/support/_asynchat.py
  • Rename Lib/asyncore.py to Lib/test/support/_asyncore.py
  • Rename Lib/smtpd.py to Lib/test/support/_smtpd.py
  • Remove DeprecationWarning from private _asyncore, _asynchat and
    _smtpd modules
  • _smtpd: remove deprecated properties

https://bugs.python.org/issue28533

Remove the asyncore and asynchat modules, deprecated in Python
3.6: use the asyncio module instead.

Remove the smtpd module, deprecated in Python 3.6: the aiosmtpd
module can be used instead, it is based on asyncio.

* Remove asyncore, asynchat and smtpd documentation
* Remove test_asyncore, test_asynchat and test_smtpd
* Rename Lib/asynchat.py to Lib/test/support/_asynchat.py
* Rename Lib/asyncore.py to Lib/test/support/_asyncore.py
* Rename Lib/smtpd.py to Lib/test/support/_smtpd.py
* Remove DeprecationWarning from private _asyncore, _asynchat and
  _smtpd modules
* _smtpd: remove deprecated properties
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@vstinner vstinner commented Nov 11, 2021

A year ago @aeros worked on a patch: https://github.com/aeros/cpython/tree/remove-asycore-asynchat-smtpd

Kyle mentioned the PEP 594. I prefer to not mention it since this PEP is still a draft. IMO the deprecation and linked to bpo issues is enough to justify the removals.

cc @tiran

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warsaw
warsaw approved these changes Nov 12, 2021
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@orsenthil orsenthil left a comment

LGTM. Thank you, @vstinner :)

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tiran
tiran approved these changes Nov 12, 2021
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@gvanrossum gvanrossum left a comment

It's time for these long-deprecated packages to leave.

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vsajip
vsajip approved these changes Nov 12, 2021
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@bedevere-bot bedevere-bot commented Nov 12, 2021

🤖 New build scheduled with the buildbot fleet by @tiran for commit 1bf97aa 🤖

If you want to schedule another build, you need to add the "🔨 test-with-buildbots" label again.

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@vstinner
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@vstinner vstinner commented Nov 15, 2021

I looked at buildbot failures:

  • AMD64 Windows10: unrelated, test_importlib failed. It looks like a Git clone issue. Not sure why it occurs on "PR" builds.
  • AMD64 Arch Linux Asan PR: unrelated, https://bugs.python.org/issue45797

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@vstinner vstinner merged commit 9bf2cbc into python:main Nov 15, 2021
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@vstinner vstinner deleted the remove_asyncore branch Nov 15, 2021
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@vstinner vstinner commented Nov 15, 2021

Merged. I prefer to merge such change early in the 3.11 devcycle, so we can revert it if it breaks too many projects.

Thanks for the reviews and approvals!

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