Description

vstinner

opened on May 31, 2023

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Python 3.12 removed the last batch of C functions related to the old Py_UNICODE type. But the type itself is still part of the C API. It is still used in some area of the Python code base where the wchar_t type should be used instead.

I propose to deprecate the Py_UNICODE type and schedule its removal in Python 3.15. This type should not be used since Python 3.3: PEP 393.

Linked PRs

• gh-105156: Deprecate the old Py_UNICODE type in C API #105157
• gh-105156: Cleanup usage of old Py_UNICODE type #105158
• gh-105156: Argument Clinic avoids Py_UNICODE type #105161
• gh-105156: Update Lib/test/clinic.test manually #105180
• gh-105156: Update Unicode C API: remove deprecation #105379

Reacted by Maurice and Páll Haraldsson

Activity

1. vstinner

   added

   type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

   on May 31, 2023
2. vstinner

   added 7 commits that reference this issue on May 31, 2023

   pythongh-105156: Deprecate the old Py_UNICODE type in C API

   3165ff7

   pythongh-105156: Cleanup usage of old Py_UNICODE type

   f446439

   pythongh-105156: Argument Clinic avoids Py_UNICODE type

   234997b

   pythongh-105156: Argument Clinic avoids Py_UNICODE type

   fc84e0c

   gh-105156: Argument Clinic avoids Py_UNICODE type (#105161)

   dd29ae2

   gh-105156: Deprecate the old Py_UNICODE type in C API (#105157)

   8ed705c

   gh-105156: Cleanup usage of old Py_UNICODE type (#105158)

   7d07e58
3. vstinner

   closed this as completedon Jun 1, 2023
4. vstinner

   added 6 commits that reference this issue on Jun 1, 2023

   pythongh-105156: Update test_clinic manually

   e5a93e5

   pythongh-105156: Update Lib/test/clinic.test manually

   e9fdde7

   pythongh-105156: Update Lib/test/clinic.test manually

   e5bee81

   gh-105156: Update Lib/test/clinic.test manually (#105180)

   7f5afec

   pythongh-105156: Update Unicode C API: remove deprecation

   0d7deb0

   gh-105156: Update Unicode C API: remove deprecation (#105379)

   0418196

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