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* [3.12] gh-102304: Fix Py_INCREF() stable ABI in debug mode (#104763) (#105352)Victor Stinner2023-06-061-2/+0
| | | | | | | | | | | | | | | gh-102304: Fix Py_INCREF() stable ABI in debug mode (#104763) When Python is built in debug mode (if the Py_REF_DEBUG macro is defined), the Py_INCREF() and Py_DECREF() function are now always implemented as opaque functions to avoid leaking implementation details like the "_Py_RefTotal" variable or the _Py_DecRefTotal_DO_NOT_USE_THIS() function. * Remove _Py_IncRefTotal_DO_NOT_USE_THIS() and _Py_DecRefTotal_DO_NOT_USE_THIS() from the stable ABI. * Remove _Py_NegativeRefcount() from limited C API. (cherry picked from commit 92022d8416d9e175800b65c4d71d4e4fb47adcb0)
* [3.12] gh-102304: doc: Add links to Stable ABI and Limited C API (#105345) ↵Victor Stinner2023-06-061-1/+0
| | | | | | | | | | | | | | | | | | | (#105371) * gh-102304: doc: Add links to Stable ABI and Limited C API (#105345) * Add "limited-c-api" and "stable-api" references. * Rename "stable-abi-list" reference to "limited-api-list". * Makefile: Document files regenerated by "make regen-limited-abi" * Remove first empty line in generated files: - Lib/test/test_stable_abi_ctypes.py - PC/python3dll.c (cherry picked from commit bae415ad02c79cf3a2eec4aa6969221a12e6716f) * gh-102304: Fix up Simple ABI doc (GH-105351) (cherry picked from commit 0202aa002e06acef9aa55ace0d939103df19cadd)
* [3.12] gh-102304: Fix 2 New Stable ABI Functions (gh-104762) (gh-105123)Eric Snow2023-05-311-0/+2
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* gh-103509: PEP 697 -- Limited C API for Extending Opaque Types (GH-103511)Petr Viktorin2023-05-041-0/+2
| | | | Co-authored-by: Oleg Iarygin <oleg@arhadthedev.net> Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* gh-102755: Add PyErr_DisplayException(exc) (#102756)Irit Katriel2023-03-161-0/+1
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* gh-101758: Add _PyState_AddModule() Back for the Stable ABI (gh-101956)Eric Snow2023-02-161-0/+1
| | | | | | | We're adding the function back, only for the stable ABI symbol and not as any form of API. I had removed it yesterday. This undocumented "private" function was added with the implementation for PEP 3121 (3.0, 2007) for internal use and later moved out of the limited API (3.6, 2016) and then into the internal API (3.9, 2019). I removed it completely yesterday, including from the stable ABI manifest (where it was added because the symbol happened to be exported). It's unlikely that anyone is using _PyState_AddModule(), especially any stable ABI extensions built against 3.2-3.5, but we're playing it safe. https://github.com/python/cpython/issues/101758
* gh-101758: Clean Up Uses of Import State (gh-101919)Eric Snow2023-02-151-1/+0
| | | | | | | | | | | | | | | This change is almost entirely moving code around and hiding import state behind internal API. We introduce no changes to behavior, nor to non-internal API. (Since there was already going to be a lot of churn, I took this as an opportunity to re-organize import.c into topically-grouped sections of code.) The motivation is to simplify a number of upcoming changes. Specific changes: * move existing import-related code to import.c, wherever possible * add internal API for interacting with import state (both global and per-interpreter) * use only API outside of import.c (to limit churn there when changing the location, etc.) * consolidate the import-related state of PyInterpreterState into a single struct field (this changes layout slightly) * add macros for import state in import.c (to simplify changing the location) * group code in import.c into sections *remove _PyState_AddModule() https://github.com/python/cpython/issues/101758
* GH-101578: Normalize the current exception (GH-101607)Mark Shannon2023-02-081-0/+4
| | | | | | | | | | * Make sure that the current exception is always normalized. * Remove redundant type and traceback fields for the current exception. * Add new API functions: PyErr_GetRaisedException, PyErr_SetRaisedException * Add new API functions: PyException_GetArgs, PyException_SetArgs
* gh-98586: Add vector call APIs to the Limited API (GH-98587)Wenzel Jakob2022-10-271-0/+2
| | | Expose the facilities for making vector calls through Python's limited API.
* gh-97669: Create Tools/build/ directory (#97963)Victor Stinner2022-10-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | Create Tools/build/ directory. Move the following scripts from Tools/scripts/ to Tools/build/: * check_extension_modules.py * deepfreeze.py * freeze_modules.py * generate_global_objects.py * generate_levenshtein_examples.py * generate_opcode_h.py * generate_re_casefix.py * generate_sre_constants.py * generate_stdlib_module_names.py * generate_token.py * parse_html5_entities.py * smelly.py * stable_abi.py * umarshal.py * update_file.py * verify_ensurepip_wheels.py Update references to these scripts.
* gh-93274: Expose receiving vectorcall in the Limited API (GH-95717)Petr Viktorin2022-08-081-0/+2
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* gh-60074: add new stable API function PyType_FromMetaclass (GH-93012)Wenzel Jakob2022-05-271-0/+1
| | | | | | | | Added a new stable API function ``PyType_FromMetaclass``, which mirrors the behavior of ``PyType_FromModuleAndSpec`` except that it takes an additional metaclass argument. This is, e.g., useful for language binding tools that need to store additional information in the type object.
* gh-91324: List feature macros in the stable ABI manifest, improve tests ↵Petr Viktorin2022-04-281-0/+2
| | | | (GH-32415)
* bpo-47169: Export PyOS_CheckStack on Windows (GH-32414)Petr Viktorin2022-04-211-0/+1
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* gh-90501: Add PyErr_GetHandledException and PyErr_SetHandledException (GH-30531)Irit Katriel2022-04-151-0/+2
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* bpo-45459: Add Py_buffer to limited API (GH-29991)Christian Heimes2022-02-021-0/+12
| | | | | | | | | | | - [x] ``Py_buffer`` struct - [x] ``PyBuffer_*()`` API functions - [x] ``PyBUF_*`` constants - [x] ``Py_bf_getbuffer`` and ``Py_bf_releasebuffer`` type slots - [x] ``PyMemoryView_FromBuffer()`` API - [x] tests for limited API - [x] ``make regen-limited-abi`` - [x] documentation update - [ ] export ``PyPickleBuffer*()`` API ???
* bpo-43931: Export Python version as API data (GH-25577)Gabriele N. Tornetta2021-12-101-0/+1
| | | | | When Python is embedded in other applications, it is not easy to determine which version of Python is being used. This change exposes the Python version as part of the API data. Tools like Austin (https://github.com/P403n1x87/austin) can benefit from this data when targeting applications like uWSGI, as the Python version can then be inferred systematically by looking at the exported symbols rather than relying on unreliable pattern matching or other hacks (like remote code execution etc...). Automerge-Triggered-By: GH:pablogsal
* bpo-45947: Place dict and values pointer at fixed (negative) offset just ↵Mark Shannon2021-12-071-1/+0
| | | | | | | | | | | | | | | | | | | before GC header. (GH-29879) * Place __dict__ immediately before GC header for plain Python objects. * Fix up lazy dict creation logic to use managed dict pointers. * Manage values pointer, placing them directly before managed dict pointers. * Convert hint-based load/store attr specialization target managed dict classes. * Specialize LOAD_METHOD for managed dict objects. * Remove unsafe _PyObject_GC_Calloc function. * Remove unsafe _PyObject_GC_Malloc() function. * Add comment explaning use of Py_TPFLAGS_MANAGED_DICT.
* bpo-45292: [PEP 654] add the ExceptionGroup and BaseExceptionGroup classes ↵Irit Katriel2021-10-221-0/+1
| | | | (GH-28569)
* bpo-44220: Export PyStructSequence_UnnamedField in the limited API (GH-26331)Ken Jin2021-10-211-0/+1
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* bpo-45123: PyAiter_Check and PyObject_GetAiter fix & rename. (GH-28194)Yury Selivanov2021-09-071-2/+2
| | | | | | | | Fix PyAiter_Check to only check for the `__anext__` presense (not for `__aiter__`). Rename `PyAiter_Check()` to `PyAIter_Check()`, `PyObject_GetAiter()` -> `PyObject_GetAIter()`. Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* bpo-42035: Add PyType_GetQualName() to get a type's qualified name. (GH-27551)Hai Shi2021-08-171-0/+1
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* bpo-41103: Resurrect the old buffer protocol. (GH-27437)Inada Naoki2021-07-291-0/+4
| | | | | Revert "bpo-41103: Remove old buffer protocol support (#21117)" This reverts commit 6f8a6ee59cb7f99f68df8ee9c3e8c8cf19af3eed.
* bpo-42035: Add a PyType_GetName() to get type's short name. (GH-23903)Hai Shi2021-07-291-0/+1
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* bpo-39947: Remove old private trashcan C API functions (GH-26869)Victor Stinner2021-06-231-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | Remove 4 C API private trashcan functions which were only kept for the backward compatibility of the stable ABI with Python 3.8 and older, since the trashcan API was not usable with the limited C API on Python 3.8 and older. The trashcan API was excluded from the limited C API in Python 3.9. Removed functions: * _PyTrash_deposit_object() * _PyTrash_destroy_chain() * _PyTrash_thread_deposit_object() * _PyTrash_thread_destroy_chain() The trashcan C API was never usable with the limited C API, since old trashcan macros accessed directly PyThreadState members like "_tstate->trash_delete_nesting", whereas the PyThreadState structure is opaque in the limited C API. Exclude also the PyTrash_UNWIND_LEVEL constant from the C API. The trashcan C API was modified in Python 3.9 by commit 38965ec5411da60d312b59be281f3510d58e0cf1 and in Python 3.10 by commit ed1a5a5baca8f61e9a99c5be3adc16b1801514fe to hide implementation details.
* bpo-44392: Add Py_GenericAlias to C API docs (GH-26724)Ken Jin2021-06-161-1/+1
| | | | Also fix stable ABI type definitions
* bpo-43795: Remove Py_FrozenMain from the Limited API & Stable ABI (GH-26241)Petr Viktorin2021-05-251-1/+0
| | | | | | | | | | | Py_FrozenMain was added to the Limited C API in [bpo-42591]() (3.10.0a4); but to fix that issue it would be enough to add it to the regular C API. The function is undocumented, tests were added very recently ([bpo-44131]()), and most importantly, it is not present in all builds of Python, as the linker sometimes omits it as unused. It should be added back when these issues are fixed. Note that this does not affect Python's regular C API.
* bpo-43795: Mark PyCodec_Unregister as a function, not data, in stable ABI ↵Petr Viktorin2021-05-051-1/+1
| | | | (GH-25920)
* bpo-43916: Move the _PyStructSequence_InitType function to the internal API ↵Pablo Galindo2021-05-031-1/+0
| | | | (GH-25854)
* bpo-43916: Export the _PyStructSequence_InitType to fix build errors in the ↵Pablo Galindo2021-05-011-0/+1
| | | | curses module (GH-25768)
* bpo-28254: Add PyGC_ functions to the stable ABI manifest (GH-25720)Petr Viktorin2021-04-291-0/+3
| | | | Co-authored-by: Senthil Kumaran <senthil@uthcode.com> Co-authored-by: scoder <stefan_ml@behnel.de>
* bpo-43795: Generate python3dll.c and doc data from manifest (PEP 652) (GH-25315)Petr Viktorin2021-04-291-21/+42
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* bpo-43868: Remove PyOS_ReadlineFunctionPointer from the stable ABI list ↵Petr Viktorin2021-04-231-1/+0
| | | | | | | | | | | (GH-25442) The inclusion of PyOS_ReadlineFunctionPointer in python3dll.c was a mistake. According to PEP 384: > functions expecting FILE* are not part of the ABI, to avoid depending > on a specific version of the Microsoft C runtime DLL on Windows. https://bugs.python.org/issue43868
* bpo-43795: Sort PC/python3dll.c (GH-25312)Petr Viktorin2021-04-141-7/+7
| | | | | | Each section is sorted to reduce diffs (review effort) when the file becomes generated. Sort is done with key=str.lower to preserve most of the original order (underscored items first). https://bugs.python.org/issue43795
* bpo-43688: Support the limited C API in debug mode (GH-25131)Victor Stinner2021-04-021-0/+2
| | | | | | | | | | | | | The limited C API is now supported if Python is built in debug mode (if the Py_DEBUG macro is defined). In the limited C API, the Py_INCREF() and Py_DECREF() functions are now implemented as opaque function calls, rather than accessing directly the PyObject.ob_refcnt member, if Python is built in debug mode and the Py_LIMITED_API macro targets Python 3.10 or newer. It became possible to support the limited C API in debug mode because the PyObject structure is the same in release and debug mode since Python 3.8 (see bpo-36465). The limited C API is still not supported in the --with-trace-refs special build (Py_TRACE_REFS macro).
* bpo-43510: Implement PEP 597 opt-in EncodingWarning. (GH-19481)Inada Naoki2021-03-291-0/+1
| | | | | | | | | | | See [PEP 597](https://www.python.org/dev/peps/pep-0597/). * Add `-X warn_default_encoding` and `PYTHONWARNDEFAULTENCODING`. * Add EncodingWarning * Add io.text_encoding() * open(), TextIOWrapper() emits EncodingWarning when encoding is omitted and warn_default_encoding is enabled. * _pyio.TextIOWrapper() uses UTF-8 as fallback default encoding used when failed to import locale module. (used during building Python) * bz2, configparser, gzip, lzma, pathlib, tempfile modules use io.text_encoding(). * What's new entry
* bpo-43244: Remove symtable.h header file (GH-24910)Victor Stinner2021-03-191-1/+0
| | | | | | | | | | | | | | | | | | Rename Include/symtable.h to to Include/internal/pycore_symtable.h, don't export symbols anymore (replace PyAPI_FUNC and PyAPI_DATA with extern) and rename functions: * PyST_GetScope() to _PyST_GetScope() * PySymtable_BuildObject() to _PySymtable_Build() * PySymtable_Free() to _PySymtable_Free() Remove PySymtable_Build(), Py_SymtableString() and Py_SymtableStringObject() functions. The Py_SymtableString() function was part the stable ABI by mistake but it could not be used, since the symtable.h header file was excluded from the limited C API. The Python symtable module remains available and is unchanged.
* bpo-43356: Allow passing a signal number to interrupt_main() (GH-24755)Antoine Pitrou2021-03-111-0/+1
| | | | Also introduce a new C API ``PyErr_SetInterruptEx(int signum)``.
* bpo-43155: Add PyCMethod_New to PC/python3dll.c (GH-24500)Zackery Spytz2021-02-161-0/+1
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* bpo-41713: Remove PyOS_InitInterrupts() from python3dll.c (GH-24257)Victor Stinner2021-01-191-1/+0
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* bpo-1635741: Fix PyModule_AddObjectRef to use EXPORT_FUNC (GH-24205)Dong-hee Na2021-01-131-1/+1
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* Add symbols of the stable ABI to python3dll.c (GH-23598)Victor Stinner2020-12-161-0/+7
| | | | | | | | | | | Add the following symbols to python3dll.c: * PyFrame_GetCode (bpo-40421) * PyFrame_GetLineNumber (bpo-40421) * PyModule_AddObjectRef (bpo-1635741) * PyObject_CallNoArgs (bpo-37194) * PyThreadState_GetFrame (bpo-39947) * PyThreadState_GetID (bpo-39947) * PyThreadState_GetInterpreter (bpo-39947)
* bpo-42591: Export missing Py_FrozenMain() symbol (GH-23730)Victor Stinner2020-12-101-0/+1
| | | | | | | Export the Py_FrozenMain() function: fix a Python 3.9.0 regression. Python 3.9 uses -fvisibility=hidden and the function was not exported explicitly and so not exported. Add also Py_FrozenMain to the stable ABI on Windows.
* bpo-42171: Add PEP573-related items to the limited API (GH-23009)Petr Viktorin2020-11-101-0/+4
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* bpo-42262: Add Py_NewRef() and Py_XNewRef() (GH-23152)Victor Stinner2020-11-051-1/+3
| | | | Added Py_NewRef() and Py_XNewRef() functions to increment the reference count of an object and return the object.
* bpo-41845: Move PyObject_GenericGetDict() back into the limited API (GH22646)Zackery Spytz2020-10-191-0/+1
| | | | It was moved out of the limited API in 7d95e4072169911b228c9e42367afb5f17fd3db0. This change re-enables it from 3.10, to avoid generating invalid extension modules for earlier versions.
* bpo-41784: make PyUnicode_AsUTF8AndSize part of the limited API (GH-22252)Alex Gaynor2020-10-191-0/+1
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* bpo-41756: Export PyGen_Send and wrap it in if-defs (#22677)Vladimir Matveev2020-10-131-0/+1
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* bpo-41834: Remove _Py_CheckRecursionLimit variable (GH-22359)Victor Stinner2020-09-231-1/+0
| | | | | | | | | | Remove the global _Py_CheckRecursionLimit variable: it has been replaced by ceval.recursion_limit of the PyInterpreterState structure. There is no need to keep the variable for the stable ABI, since Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() were not usable in Python 3.8 and older: these macros accessed PyThreadState members, whereas the PyThreadState structure is opaque in the limited C API.
* bpo-41103: Remove old buffer protocol support (#21117)Inada Naoki2020-06-251-4/+0
| | | They are deprecated since Python 3.0.
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