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bpo-46659: Deprecate locale.getdefaultlocale() by vstinner · Pull Request #31206 · python/cpython · GitHub
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bpo-46659: Deprecate locale.getdefaultlocale()#31206

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vstinner merged 1 commit into
python:mainfrom
vstinner:deprecate_getdefaultlocale
Feb 22, 2022
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bpo-46659: Deprecate locale.getdefaultlocale()#31206
vstinner merged 1 commit into
python:mainfrom
vstinner:deprecate_getdefaultlocale

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vstinner commented Feb 7, 2022 •
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The locale.getdefaultlocale() function is deprecated and will be removed in
Python 3.13. Use locale.setlocale(),
locale.getpreferredencoding(False) and locale.getlocale() functions
instead.

https://bugs.python.org/issue46659

vstinner changed the title bpo-43557: Deprecate locale.getdefaultlocale() bpo-46659: Deprecate locale.getdefaultlocale() Feb 8, 2022

vstinner commented Feb 8, 2022

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cc @malemburg

bpo-46659: Deprecate locale.getdefaultlocale() …
abe8f1e
The locale.getdefaultlocale() function is deprecated and will be removed in Python 3.13. Use locale.setlocale(), locale.getpreferredencoding(False) and locale.getlocale() functions instead.

vstinner commented Feb 8, 2022

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cc @serhiy-storchaka @methane

methane commented Feb 9, 2022

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Locale is too difficult to me, so I can not say LGTM.
At least, I feel it is very tempting API that can be used to get preferred language without calling setlocale()...

vstinner commented Feb 11, 2022 •
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At least, I feel it is very tempting API that can be used to get preferred language without calling setlocale()...

The function is convenient until you fall into a case where it doesn't work as expected. It's similar to mixing Python 2 str and unicode types. It works in most cases, until someone enters a name with a single non-ASCII character, and then suddently everything fall apart.

vstinner merged commit b899126 into python:main Feb 22, 2022
vstinner deleted the deprecate_getdefaultlocale branch February 22, 2022 21:06
vstinner mentioned this pull request Apr 10, 2022
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vstinner mentioned this pull request Dec 11, 2022
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2trvl mentioned this pull request Mar 7, 2025
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