Description

vstinner

opened on May 22, 2023

Issue body actions

PEP 594 ("Removing dead batteries from the standard library") deprecated the following 19 modules in Python 3.11 (or before) and their removal in Python 3.13:

• aifc
• audioop
• cgi
• cgitb
• chunk
• crypt
• imghdr
• mailcap
• msilib
• nis
• nntplib
• ossaudiodev
• pipes
• sndhdr
• spwd
• sunau
• telnetlib
• uu
• xdrlib

I propose to remove them as soon as possible in the Python 3.13 development cycle to help users to prepare for this incompatible change before Python 3.13 final release (scheduled for October 2024).

I plan to work on pull requests to remove these modules.

Linked PRs

• gh-104773: PEP 594: Remove the sndhdr module #104774
• gh-104773: PEP 594: Remove cgi and cgitb modules #104775
• gh-104773: PEP 594: Remove the imghdr module #104777
• gh-104773: PEP 594: Remove the telnetlib module #104778
• gh-104773: PEP 594: Remove the pipes module #104848
• gh-104773: PEP 594: Remove the ossaudiodev module #104862
• gh-104773: PEP 594: Remove the sunau module #104863
• gh-104773: Remove OSSAUDIODEV_LIBS variable #104864
• gh-104773: PEP 594: Remove the mailcap module #104867
• gh-104773: PEP 594: Remove the chunk module #104868
• gh-104773: PEP 594: Remove the spwd module #104871
• gh-104773: PEP 594: Remove the nntplib module #104894
• gh-104773: PEP 594: Remove the nis module #104897
• gh-104773: PEP 594: Remove the xdrlib module #104900
• gh-104773: Fix PY_STDLIB_MOD_SET_NA() on macOS #104901
• gh-104773: PEP 594: Remove the crypt module #104908
• gh-104773: PEP 594: Remove the msilib package #104911
• gh-104773: PEP 594: Remove the aifc module #104927
• gh-104773: PEP 594: Remove the uu module #104932
• gh-104773: PEP 594: Remove the aifc module #104933
• gh-104773: PEP 594: Remove the audioop module #104937
• gh-104773: cgi: Fix typo in What's New in Python 3.13 #105139

Activity

1. vstinner

   added 14 commits that reference this issue on May 22, 2023

   pythongh-104773: PEP 594: Remove the sndhdr module.

   61556e3

   pythongh-104773: PEP 594: Remove the sndhdr module

   d0361cc

   pythongh-104773: PEP 594: Remove cgi and cgitb modules

   4bf4c92

   pythongh-104773: PEP 594: Remove the sndhdr module

   fe475b0

   pythongh-104773: PEP 594: Remove cgi and cgitb modules

   82772f2

   pythongh-104773: PEP 594: Remove cgi and cgitb modules

   b32e052

   pythongh-104773: PEP 594: Remove the imghdr module

   4e4abb5

   pythongh-104773: PEP 594: Remove the imghdr module

   ab17e88

   pythongh-104773: PEP 594: Remove the telnetlib module

   936f74e

   pythongh-104773: PEP 594: Remove cgi and cgitb modules

   7a4a015

   pythongh-104773: PEP 594: Remove cgi and cgitb modules

   7cbc500

   pythongh-104773: PEP 594: Remove the telnetlib module

   16c3bea

   gh-104773: PEP 594: Remove the telnetlib module (#104778)

   9dc476b

   pythongh-104773: PEP 594: Remove cgi and cgitb modules

   b0d94a4
2. hugovk

   added

   3.13only security fixesonly security fixes

   on May 23, 2023
3. 61 remaining items
4. vstinner

   added 3 commits that reference this issue on May 26, 2023

   pythongh-104773: PEP 594: Remove the imghdr module

   c2fc395

   pythongh-104773: PEP 594: Remove the imghdr module

   06b091c

   gh-104773: PEP 594: Remove the imghdr module (#104777)

   e399f46
5. vstinner commented on May 26, 2023

   

   vstinner

   on May 26, 2023

   MemberAuthor

   More actions

   Summary:

   • All modules scheduled for removal by PEP 594 have been removed in Python 3.12 and Python 3.13
   • The removal of the uu module makes 2 binascii functions useless and should be deprecated.
   • One minor thing that we missed in PEP 594 was the removal of the uu codec: https://peps.python.org/pep-0594/#uu-and-the-uu-encoding
   • I was wrong: we must not close all issues of removed modules, since bugs can still be fixed in Python 3.11 and 3.12: https://devguide.python.org/versions/

   The remaining minor task related to the uu encoding is covered by PR #92758.

   I'm not sure how to coordinate the work on helping third-party Python projects migrating to Python 3.13: move away from removed modules. But I prefer to not reuse this issue for this. Maybe discuss.python.org is a better place for that, since it's more visible than the Python bug tracker.

   I created python/peps#3156 to mark PEP 594 as Final.

   Reacted by Hugo van Kemenade
6. vstinner commented on May 26, 2023

   

   vstinner

   on May 26, 2023

   MemberAuthor

   More actions

   Thanks again to all reviewers of my PRs removing modules, especially @hugovk! Thanks @zware for handling msilib removal!

   Reacted by Hugo van Kemenade and Zachary Ware
7. vstinner

   closed this as completedon May 26, 2023
8. vstinner commented on May 26, 2023

   

   vstinner

   on May 26, 2023

   MemberAuthor

   More actions

   I created a discussion on discuss.python.org: PEP 594 has been implementated: Python 3.13 removes 20 stdlib modules.
9. vstinner

   added 2 commits that reference this issue on May 31, 2023

   pythongh-104773: cgi: Fix typo in What's New in Python 3.13

   5fd8694

   gh-104773: cgi: Fix typo in What's New in Python 3.13 (#105139)

   0430e97
10. cclauss

    added 3 commits that reference this issue on May 11, 2024

    GitHub Actions: Test on Python 3.13 beta

    683a17a

    GitHub Actions: Test on Python 3.13 beta

    cb17a44

    Travis CI: Test on Python 3.13 beta

    cfd84cd
11. ahupp

    added a commit that references this issue on May 15, 2024

    Travis CI: Test on Python 3.13 beta

    8eecfb7
12. cclauss

    added a commit that references this issue on May 20, 2024

    Travis CI: Test on Python 3.13 beta

    129f9f1
13. dutow

    added a commit that references this issue on Mar 30, 2026

    cpython: remove deprecated module support for 3.13+

    5866834

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