Description

vstinner

opened on Jan 15, 2025

Issue body actions

Hi,

Python 3.13 and 3.14 added public functions to replace private functions. For example, a public function PyBytes_Join() was added to replace the private function _PyBytes_Join().

I propose to deprecate the private functions which have a public replacement, and remove them in Python 3.16.

Victor

Linked PRs

• gh-128863: Deprecate private C API functions #128864
• gh-128863: Deprecate _PyLong_Sign() function #129176
• gh-128863: deprecate _PyLong_New() function #129212
• gh-128863: deprecate _PyLong_FromDigits() function #127939
• gh-128863: Deprecate the private _PyUnicodeWriter API #129245

Activity

1. vstinner

   added

   topic-C-API

   on Jan 15, 2025
2. vstinner

   added 2 commits that reference this issue on Jan 15, 2025

   pythongh-128863: Deprecate private C API functions

   873d8bd

   pythongh-128863: Deprecate private C API functions

   814670d
3. vstinner commented on Jan 15, 2025

   

   vstinner

   on Jan 15, 2025

   MemberAuthor

   More actions

   Previous discussion: https://discuss.python.org/t/remove-again-private-apis-which-now-have-new-public-replacement/68081
4. vstinner

   added 3 commits that reference this issue on Jan 15, 2025

   pythongh-128863: Deprecate private C API functions

   37869e2

   pythongh-128863: Deprecate private C API functions

   18f8581

   pythongh-128863: Deprecate private C API functions

   8140437
5. vstinner commented on Jan 16, 2025

   

   vstinner

   on Jan 16, 2025

   MemberAuthor

   More actions

   Other deprecations to consider:

   • _PyCode_GetExtra(): PyUnstable_Code_GetExtra()
   • _PyCode_SetExtra(): PyUnstable_Code_SetExtra()
   • _PyEval_RequestCodeExtraIndex(): PyUnstable_Eval_RequestCodeExtraIndex()
   • _PyLong_AsByteArray(): PyLong_AsNativeBytes()
   • _PyLong_FromByteArray(): PyLong_FromNativeBytes()
   • _PyLong_FromDigits(): PyLongWriter_Create()
   • _PyLong_New(): PyLongWriter_Create()
   • _PyLong_Sign(): PyLong_GetSign()
   • _PyUnicodeWriter_Init(): PyUnicodeWriter_Create() (and other _PyUnicodeWriter functions)
6. picnixz

   added

   type-featureA feature request or enhancementA feature request or enhancement

   on Jan 17, 2025
7. vstinner

   added 3 commits that reference this issue on Jan 22, 2025

   gh-128863: Deprecate private C API functions (#128864)

   9012fa7

   pythongh-128863: Deprecate _PyLong_Sign() function

   be36fc8

   gh-128863: Deprecate _PyLong_Sign() function (#129176)

   1d485db
8. skirpichev commented on Jan 23, 2025

   

   skirpichev

   on Jan 23, 2025

   Member

   More actions

   I'm closing #127937 and #127936 in favor of this issue.
9. skirpichev

   added a commit that references this issue on Jan 23, 2025

   pythongh-128863: deprecate _PyLong_New() function

   2d4b969
10. vstinner

    added 3 commits that reference this issue on Jan 23, 2025

    gh-128863: Deprecate _PyLong_New() function (#129212)

    5c9a63f

    pythongh-128863: Deprecate the private _PyUnicodeWriter API

    e1fd675

    gh-128863: Deprecate _PyLong_FromDigits() function (#127939)

    233fd00
11. vstinner

    added a commit that references this issue on Feb 20, 2025

    gh-128863: Deprecate the private _PyUnicodeWriter API (#129245)

    519c2c6
12. vstinner

    closed this as completedon Mar 13, 2025

Issue actions