gh-133036: Deprecate codecs.open by methane · Pull Request #133038 · python/cpython · GitHub

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Deprecate codecs.open() #133036

: deprecate codecs.open

Codecs and encodings issues

awaiting core review

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bedevere-app Bot commented Apr 27, 2025

When you're done making the requested changes, leave the comment: I have made the requested changes; please review again.

codecs_open_nowarn -> codecs_open_no_warn

remove codecs.open from error message

https://github.com/python/cpython/blob/main/Doc/deprecations/pending-removal-in-future.rst

Please could you also list it in https://github.com/python/cpython/blob/main/Doc/deprecations/pending-removal-in-future.rst ?

add pending-removal-in-future entry

awaiting change review

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Update Doc/deprecations/pending-removal-in-future.rst

Update Lib/test/test_codecs.py

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DeprecationWarning: codecs.open() deprecated in Python 3.14 zensical/zensical#427

fix: replace deprecated codecs.open() with built-in open() (#429) zensical/zensical#428

DeprecationWarning: codecs.open() deprecated in Python 3.14 zensical/zensical#429