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GH-122085: Use include files for C API deprecations (#109843)
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AA-Turner authored Jul 29, 2024
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46 changes: 46 additions & 0 deletions Doc/deprecations/c-api-pending-removal-in-3.14.rst
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Pending Removal in Python 3.14
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

* The ``ma_version_tag`` field in :c:type:`PyDictObject` for extension modules
(:pep:`699`; :gh:`101193`).

* Creating :c:data:`immutable types <Py_TPFLAGS_IMMUTABLETYPE>` with mutable
bases (:gh:`95388`).

* Functions to configure Python's initialization, deprecated in Python 3.11:

* ``PySys_SetArgvEx()``: set :c:member:`PyConfig.argv` instead.
* ``PySys_SetArgv()``: set :c:member:`PyConfig.argv` instead.
* ``Py_SetProgramName()``: set :c:member:`PyConfig.program_name` instead.
* ``Py_SetPythonHome()``: set :c:member:`PyConfig.home` instead.

The :c:func:`Py_InitializeFromConfig` API should be used with
:c:type:`PyConfig` instead.

* Global configuration variables:

* :c:var:`Py_DebugFlag`: use :c:member:`PyConfig.parser_debug` instead.
* :c:var:`Py_VerboseFlag`: use :c:member:`PyConfig.verbose` instead.
* :c:var:`Py_QuietFlag`: use :c:member:`PyConfig.quiet` instead.
* :c:var:`Py_InteractiveFlag`: use :c:member:`PyConfig.interactive` instead.
* :c:var:`Py_InspectFlag`: use :c:member:`PyConfig.inspect` instead.
* :c:var:`Py_OptimizeFlag`: use :c:member:`PyConfig.optimization_level` instead.
* :c:var:`Py_NoSiteFlag`: use :c:member:`PyConfig.site_import` instead.
* :c:var:`Py_BytesWarningFlag`: use :c:member:`PyConfig.bytes_warning` instead.
* :c:var:`Py_FrozenFlag`: use :c:member:`PyConfig.pathconfig_warnings` instead.
* :c:var:`Py_IgnoreEnvironmentFlag`: use :c:member:`PyConfig.use_environment` instead.
* :c:var:`Py_DontWriteBytecodeFlag`: use :c:member:`PyConfig.write_bytecode` instead.
* :c:var:`Py_NoUserSiteDirectory`: use :c:member:`PyConfig.user_site_directory` instead.
* :c:var:`Py_UnbufferedStdioFlag`: use :c:member:`PyConfig.buffered_stdio` instead.
* :c:var:`Py_HashRandomizationFlag`: use :c:member:`PyConfig.use_hash_seed`
and :c:member:`PyConfig.hash_seed` instead.
* :c:var:`Py_IsolatedFlag`: use :c:member:`PyConfig.isolated` instead.
* :c:var:`Py_LegacyWindowsFSEncodingFlag`: use :c:member:`PyPreConfig.legacy_windows_fs_encoding` instead.
* :c:var:`Py_LegacyWindowsStdioFlag`: use :c:member:`PyConfig.legacy_windows_stdio` instead.
* :c:var:`!Py_FileSystemDefaultEncoding`: use :c:member:`PyConfig.filesystem_encoding` instead.
* :c:var:`!Py_HasFileSystemDefaultEncoding`: use :c:member:`PyConfig.filesystem_encoding` instead.
* :c:var:`!Py_FileSystemDefaultEncodeErrors`: use :c:member:`PyConfig.filesystem_errors` instead.
* :c:var:`!Py_UTF8Mode`: use :c:member:`PyPreConfig.utf8_mode` instead. (see :c:func:`Py_PreInitialize`)

The :c:func:`Py_InitializeFromConfig` API should be used with
:c:type:`PyConfig` instead.
20 changes: 20 additions & 0 deletions Doc/deprecations/c-api-pending-removal-in-3.15.rst
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Pending Removal in Python 3.15
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

* The bundled copy of ``libmpdecimal``.
* :c:func:`PyImport_ImportModuleNoBlock`: use :c:func:`PyImport_ImportModule` instead.
* :c:func:`PyWeakref_GET_OBJECT`: use :c:func:`PyWeakref_GetRef` instead.
* :c:func:`PyWeakref_GetObject`: use :c:func:`PyWeakref_GetRef` instead.
* :c:type:`!Py_UNICODE_WIDE` type: use :c:type:`wchar_t` instead.
* :c:type:`Py_UNICODE` type: use :c:type:`wchar_t` instead.
* Python initialization functions:

* :c:func:`PySys_ResetWarnOptions`: clear :data:`sys.warnoptions` and
:data:`!warnings.filters` instead.
* :c:func:`Py_GetExecPrefix`: get :data:`sys.exec_prefix` instead.
* :c:func:`Py_GetPath`: get :data:`sys.path` instead.
* :c:func:`Py_GetPrefix`: get :data:`sys.prefix` instead.
* :c:func:`Py_GetProgramFullPath`: get :data:`sys.executable` instead.
* :c:func:`Py_GetProgramName`: get :data:`sys.executable` instead.
* :c:func:`Py_GetPythonHome`: get :c:member:`PyConfig.home` or
the :envvar:`PYTHONHOME` environment variable instead.
31 changes: 31 additions & 0 deletions Doc/deprecations/c-api-pending-removal-in-future.rst
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Pending Removal in Future Versions
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

The following APIs are deprecated and will be removed,
although there is currently no date scheduled for their removal.

* :c:macro:`Py_TPFLAGS_HAVE_FINALIZE`: unneeded since Python 3.8.
* :c:func:`PyErr_Fetch`: use :c:func:`PyErr_GetRaisedException` instead.
* :c:func:`PyErr_NormalizeException`: use :c:func:`PyErr_GetRaisedException` instead.
* :c:func:`PyErr_Restore`: use :c:func:`PyErr_SetRaisedException` instead.
* :c:func:`PyModule_GetFilename`: use :c:func:`PyModule_GetFilenameObject` instead.
* :c:func:`PyOS_AfterFork`: use :c:func:`PyOS_AfterFork_Child` instead.
* :c:func:`PySlice_GetIndicesEx`: use :c:func:`PySlice_Unpack` and :c:func:`PySlice_AdjustIndices` instead.
* :c:func:`!PyUnicode_AsDecodedObject`: use :c:func:`PyCodec_Decode` instead.
* :c:func:`!PyUnicode_AsDecodedUnicode`: use :c:func:`PyCodec_Decode` instead.
* :c:func:`!PyUnicode_AsEncodedObject`: use :c:func:`PyCodec_Encode` instead.
* :c:func:`!PyUnicode_AsEncodedUnicode`: use :c:func:`PyCodec_Encode` instead.
* :c:func:`PyUnicode_READY`: unneeded since Python 3.12
* :c:func:`!PyErr_Display`: use :c:func:`PyErr_DisplayException` instead.
* :c:func:`!_PyErr_ChainExceptions`: use ``_PyErr_ChainExceptions1`` instead.
* :c:member:`!PyBytesObject.ob_shash` member:
call :c:func:`PyObject_Hash` instead.
* :c:member:`!PyDictObject.ma_version_tag` member.
* Thread Local Storage (TLS) API:

* :c:func:`PyThread_create_key`: use :c:func:`PyThread_tss_alloc` instead.
* :c:func:`PyThread_delete_key`: use :c:func:`PyThread_tss_free` instead.
* :c:func:`PyThread_set_key_value`: use :c:func:`PyThread_tss_set` instead.
* :c:func:`PyThread_get_key_value`: use :c:func:`PyThread_tss_get` instead.
* :c:func:`PyThread_delete_key_value`: use :c:func:`PyThread_tss_delete` instead.
* :c:func:`PyThread_ReInitTLS`: unneeded since Python 3.7.
9 changes: 7 additions & 2 deletions Doc/deprecations/index.rst
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@@ -1,10 +1,15 @@
Deprecations
============

.. include:: pending-removal-in-3.14.rst

.. include:: pending-removal-in-3.15.rst

.. include:: pending-removal-in-3.16.rst

.. include:: pending-removal-in-future.rst

C API Deprecations
------------------

.. include:: c-api-pending-removal-in-3.15.rst

.. include:: c-api-pending-removal-in-future.rst
87 changes: 4 additions & 83 deletions Doc/whatsnew/3.12.rst
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Expand Up @@ -2210,92 +2210,13 @@ Deprecated
overrides :c:member:`~PyTypeObject.tp_new` is deprecated.
Call the metaclass instead.

Pending Removal in Python 3.14
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. Add deprecations above alphabetically, not here at the end.
* The ``ma_version_tag`` field in :c:type:`PyDictObject` for extension modules
(:pep:`699`; :gh:`101193`).
.. include:: ../deprecations/c-api-pending-removal-in-3.14.rst

* Global configuration variables:
.. include:: ../deprecations/c-api-pending-removal-in-3.15.rst

* :c:var:`Py_DebugFlag`: use :c:member:`PyConfig.parser_debug`
* :c:var:`Py_VerboseFlag`: use :c:member:`PyConfig.verbose`
* :c:var:`Py_QuietFlag`: use :c:member:`PyConfig.quiet`
* :c:var:`Py_InteractiveFlag`: use :c:member:`PyConfig.interactive`
* :c:var:`Py_InspectFlag`: use :c:member:`PyConfig.inspect`
* :c:var:`Py_OptimizeFlag`: use :c:member:`PyConfig.optimization_level`
* :c:var:`Py_NoSiteFlag`: use :c:member:`PyConfig.site_import`
* :c:var:`Py_BytesWarningFlag`: use :c:member:`PyConfig.bytes_warning`
* :c:var:`Py_FrozenFlag`: use :c:member:`PyConfig.pathconfig_warnings`
* :c:var:`Py_IgnoreEnvironmentFlag`: use :c:member:`PyConfig.use_environment`
* :c:var:`Py_DontWriteBytecodeFlag`: use :c:member:`PyConfig.write_bytecode`
* :c:var:`Py_NoUserSiteDirectory`: use :c:member:`PyConfig.user_site_directory`
* :c:var:`Py_UnbufferedStdioFlag`: use :c:member:`PyConfig.buffered_stdio`
* :c:var:`Py_HashRandomizationFlag`: use :c:member:`PyConfig.use_hash_seed`
and :c:member:`PyConfig.hash_seed`
* :c:var:`Py_IsolatedFlag`: use :c:member:`PyConfig.isolated`
* :c:var:`Py_LegacyWindowsFSEncodingFlag`: use :c:member:`PyPreConfig.legacy_windows_fs_encoding`
* :c:var:`Py_LegacyWindowsStdioFlag`: use :c:member:`PyConfig.legacy_windows_stdio`
* :c:var:`!Py_FileSystemDefaultEncoding`: use :c:member:`PyConfig.filesystem_encoding`
* :c:var:`!Py_HasFileSystemDefaultEncoding`: use :c:member:`PyConfig.filesystem_encoding`
* :c:var:`!Py_FileSystemDefaultEncodeErrors`: use :c:member:`PyConfig.filesystem_errors`
* :c:var:`!Py_UTF8Mode`: use :c:member:`PyPreConfig.utf8_mode` (see :c:func:`Py_PreInitialize`)

The :c:func:`Py_InitializeFromConfig` API should be used with
:c:type:`PyConfig` instead.

* Creating :c:data:`immutable types <Py_TPFLAGS_IMMUTABLETYPE>` with mutable
bases (:gh:`95388`).

Pending Removal in Python 3.15
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

* :c:func:`PyImport_ImportModuleNoBlock`: use :c:func:`PyImport_ImportModule`
* :c:type:`!Py_UNICODE_WIDE` type: use :c:type:`wchar_t`
* :c:type:`Py_UNICODE` type: use :c:type:`wchar_t`
* Python initialization functions:

* :c:func:`PySys_ResetWarnOptions`: clear :data:`sys.warnoptions` and
:data:`!warnings.filters`
* :c:func:`Py_GetExecPrefix`: get :data:`sys.exec_prefix`
* :c:func:`Py_GetPath`: get :data:`sys.path`
* :c:func:`Py_GetPrefix`: get :data:`sys.prefix`
* :c:func:`Py_GetProgramFullPath`: get :data:`sys.executable`
* :c:func:`Py_GetProgramName`: get :data:`sys.executable`
* :c:func:`Py_GetPythonHome`: get :c:member:`PyConfig.home` or
the :envvar:`PYTHONHOME` environment variable

Pending Removal in Future Versions
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

The following APIs are deprecated and will be removed,
although there is currently no date scheduled for their removal.

* :c:macro:`Py_TPFLAGS_HAVE_FINALIZE`: unneeded since Python 3.8
* :c:func:`PyErr_Fetch`: use :c:func:`PyErr_GetRaisedException`
* :c:func:`PyErr_NormalizeException`: use :c:func:`PyErr_GetRaisedException`
* :c:func:`PyErr_Restore`: use :c:func:`PyErr_SetRaisedException`
* :c:func:`PyModule_GetFilename`: use :c:func:`PyModule_GetFilenameObject`
* :c:func:`PyOS_AfterFork`: use :c:func:`PyOS_AfterFork_Child`
* :c:func:`PySlice_GetIndicesEx`: use :c:func:`PySlice_Unpack` and :c:func:`PySlice_AdjustIndices`
* :c:func:`!PyUnicode_AsDecodedObject`: use :c:func:`PyCodec_Decode`
* :c:func:`!PyUnicode_AsDecodedUnicode`: use :c:func:`PyCodec_Decode`
* :c:func:`!PyUnicode_AsEncodedObject`: use :c:func:`PyCodec_Encode`
* :c:func:`!PyUnicode_AsEncodedUnicode`: use :c:func:`PyCodec_Encode`
* :c:func:`PyUnicode_READY`: unneeded since Python 3.12
* :c:func:`!PyErr_Display`: use :c:func:`PyErr_DisplayException`
* :c:func:`!_PyErr_ChainExceptions`: use ``_PyErr_ChainExceptions1``
* :c:member:`!PyBytesObject.ob_shash` member:
call :c:func:`PyObject_Hash` instead
* :c:member:`!PyDictObject.ma_version_tag` member
* Thread Local Storage (TLS) API:

* :c:func:`PyThread_create_key`: use :c:func:`PyThread_tss_alloc`
* :c:func:`PyThread_delete_key`: use :c:func:`PyThread_tss_free`
* :c:func:`PyThread_set_key_value`: use :c:func:`PyThread_tss_set`
* :c:func:`PyThread_get_key_value`: use :c:func:`PyThread_tss_get`
* :c:func:`PyThread_delete_key_value`: use :c:func:`PyThread_tss_delete`
* :c:func:`PyThread_ReInitTLS`: unneeded since Python 3.7
.. include:: ../deprecations/c-api-pending-removal-in-future.rst

Removed
-------
Expand Down
103 changes: 7 additions & 96 deletions Doc/whatsnew/3.13.rst
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Expand Up @@ -2208,6 +2208,9 @@ Removed C APIs
be used instead.
(Contributed by Serhiy Storchaka in :gh:`86493`.)

* Remove undocumented ``PY_TIMEOUT_MAX`` constant from the limited C API.
(Contributed by Victor Stinner in :gh:`110014`.)

Deprecated C APIs
-----------------

Expand Down Expand Up @@ -2249,105 +2252,13 @@ Deprecated C APIs
Refer to the deprecation notices on each function for their recommended replacements.
(Soft deprecated as part of :pep:`667`.)

Pending Removal in Python 3.14
------------------------------

* Creating immutable types (:c:macro:`Py_TPFLAGS_IMMUTABLETYPE`) with mutable
bases using the C API.

* Functions to configure the Python initialization, deprecated in Python 3.11:

* ``PySys_SetArgvEx()``: set :c:member:`PyConfig.argv` instead.
* ``PySys_SetArgv()``: set :c:member:`PyConfig.argv` instead.
* ``Py_SetProgramName()``: set :c:member:`PyConfig.program_name` instead.
* ``Py_SetPythonHome()``: set :c:member:`PyConfig.home` instead.

The :c:func:`Py_InitializeFromConfig` API should be used with
:c:type:`PyConfig` instead.

* Global configuration variables:

* :c:var:`Py_DebugFlag`: use :c:member:`PyConfig.parser_debug`
* :c:var:`Py_VerboseFlag`: use :c:member:`PyConfig.verbose`
* :c:var:`Py_QuietFlag`: use :c:member:`PyConfig.quiet`
* :c:var:`Py_InteractiveFlag`: use :c:member:`PyConfig.interactive`
* :c:var:`Py_InspectFlag`: use :c:member:`PyConfig.inspect`
* :c:var:`Py_OptimizeFlag`: use :c:member:`PyConfig.optimization_level`
* :c:var:`Py_NoSiteFlag`: use :c:member:`PyConfig.site_import`
* :c:var:`Py_BytesWarningFlag`: use :c:member:`PyConfig.bytes_warning`
* :c:var:`Py_FrozenFlag`: use :c:member:`PyConfig.pathconfig_warnings`
* :c:var:`Py_IgnoreEnvironmentFlag`: use :c:member:`PyConfig.use_environment`
* :c:var:`Py_DontWriteBytecodeFlag`: use :c:member:`PyConfig.write_bytecode`
* :c:var:`Py_NoUserSiteDirectory`: use :c:member:`PyConfig.user_site_directory`
* :c:var:`Py_UnbufferedStdioFlag`: use :c:member:`PyConfig.buffered_stdio`
* :c:var:`Py_HashRandomizationFlag`: use :c:member:`PyConfig.use_hash_seed`
and :c:member:`PyConfig.hash_seed`
* :c:var:`Py_IsolatedFlag`: use :c:member:`PyConfig.isolated`
* :c:var:`Py_LegacyWindowsFSEncodingFlag`: use :c:member:`PyPreConfig.legacy_windows_fs_encoding`
* :c:var:`Py_LegacyWindowsStdioFlag`: use :c:member:`PyConfig.legacy_windows_stdio`
* :c:var:`!Py_FileSystemDefaultEncoding`: use :c:member:`PyConfig.filesystem_encoding`
* :c:var:`!Py_HasFileSystemDefaultEncoding`: use :c:member:`PyConfig.filesystem_encoding`
* :c:var:`!Py_FileSystemDefaultEncodeErrors`: use :c:member:`PyConfig.filesystem_errors`
* :c:var:`!Py_UTF8Mode`: use :c:member:`PyPreConfig.utf8_mode` (see :c:func:`Py_PreInitialize`)

The :c:func:`Py_InitializeFromConfig` API should be used with
:c:type:`PyConfig` instead.

Pending Removal in Python 3.15
------------------------------

* The bundled copy of ``libmpdecimal``.
* :c:func:`PyImport_ImportModuleNoBlock`: use :c:func:`PyImport_ImportModule`.
* :c:func:`PyWeakref_GET_OBJECT`: use :c:func:`PyWeakref_GetRef` instead.
* :c:func:`PyWeakref_GetObject`: use :c:func:`PyWeakref_GetRef` instead.
* :c:type:`!Py_UNICODE_WIDE` type: use :c:type:`wchar_t` instead.
* :c:type:`Py_UNICODE` type: use :c:type:`wchar_t` instead.
* Python initialization functions:

* :c:func:`PySys_ResetWarnOptions`: clear :data:`sys.warnoptions` and
:data:`!warnings.filters` instead.
* :c:func:`Py_GetExecPrefix`: get :data:`sys.exec_prefix` instead.
* :c:func:`Py_GetPath`: get :data:`sys.path` instead.
* :c:func:`Py_GetPrefix`: get :data:`sys.prefix` instead.
* :c:func:`Py_GetProgramFullPath`: get :data:`sys.executable` instead.
* :c:func:`Py_GetProgramName`: get :data:`sys.executable` instead.
* :c:func:`Py_GetPythonHome`: get :c:member:`PyConfig.home` or
:envvar:`PYTHONHOME` environment variable instead.
.. Add deprecations above alphabetically, not here at the end.
Pending Removal in Future Versions
----------------------------------

The following APIs were deprecated in earlier Python versions and will be
removed, although there is currently no date scheduled for their removal.

* :c:macro:`Py_TPFLAGS_HAVE_FINALIZE`: no needed since Python 3.8.
* :c:func:`PyErr_Fetch`: use :c:func:`PyErr_GetRaisedException`.
* :c:func:`PyErr_NormalizeException`: use :c:func:`PyErr_GetRaisedException`.
* :c:func:`PyErr_Restore`: use :c:func:`PyErr_SetRaisedException`.
* :c:func:`PyModule_GetFilename`: use :c:func:`PyModule_GetFilenameObject`.
* :c:func:`PyOS_AfterFork`: use :c:func:`PyOS_AfterFork_Child()`.
* :c:func:`PySlice_GetIndicesEx`.
* :c:func:`!PyUnicode_AsDecodedObject`.
* :c:func:`!PyUnicode_AsDecodedUnicode`.
* :c:func:`!PyUnicode_AsEncodedObject`.
* :c:func:`!PyUnicode_AsEncodedUnicode`.
* :c:func:`PyUnicode_READY`: not needed since Python 3.12.
* :c:func:`!_PyErr_ChainExceptions`.
* :c:member:`!PyBytesObject.ob_shash` member:
call :c:func:`PyObject_Hash` instead.
* :c:member:`!PyDictObject.ma_version_tag` member.
* TLS API:

* :c:func:`PyThread_create_key`: use :c:func:`PyThread_tss_alloc`.
* :c:func:`PyThread_delete_key`: use :c:func:`PyThread_tss_free`.
* :c:func:`PyThread_set_key_value`: use :c:func:`PyThread_tss_set`.
* :c:func:`PyThread_get_key_value`: use :c:func:`PyThread_tss_get`.
* :c:func:`PyThread_delete_key_value`: use :c:func:`PyThread_tss_delete`.
* :c:func:`PyThread_ReInitTLS`: no longer needed.
.. include:: ../deprecations/c-api-pending-removal-in-3.14.rst

* Remove undocumented ``PY_TIMEOUT_MAX`` constant from the limited C API.
(Contributed by Victor Stinner in :gh:`110014`.)
.. include:: ../deprecations/c-api-pending-removal-in-3.15.rst

.. include:: ../deprecations/c-api-pending-removal-in-future.rst

Regression Test Changes
=======================
Expand Down
6 changes: 6 additions & 0 deletions Doc/whatsnew/3.14.rst
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Expand Up @@ -422,6 +422,12 @@ Deprecated
:c:macro:`!isfinite` available from :file:`math.h`
since C99. (Contributed by Sergey B Kirpichev in :gh:`119613`.)

.. Add deprecations above alphabetically, not here at the end.
.. include:: ../deprecations/c-api-pending-removal-in-3.15.rst

.. include:: ../deprecations/c-api-pending-removal-in-future.rst

Removed
-------

Expand Down

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