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* gh-105201: Add PyIter_NextItem() (#122331)Erlend E. Aasland2024-08-071-1/+11
| | | | | | | | | Return -1 and set an exception on error; return 0 if the iterator is exhausted, and return 1 if the next item was fetched successfully. Prefer this API to PyIter_Next(), which requires the caller to use PyErr_Occurred() to differentiate between iterator exhaustion and errors. Co-authered-by: Irit Katriel <iritkatriel@yahoo.com>
* gh-119391: Amend comment description of PyMapping_Items, PyMapping_Values ↵Pieter Eendebak2024-05-221-3/+3
| | | | | and PyMapping_Keys (#119392) The behaviour was changed in 0ccc0f6c7.
* gh-108511: Add C API functions which do not silently ignore errors (GH-109025)Serhiy Storchaka2023-09-171-0/+31
| | | | | | | | | Add the following functions: * PyObject_HasAttrWithError() * PyObject_HasAttrStringWithError() * PyMapping_HasKeyWithError() * PyMapping_HasKeyStringWithError()
* gh-106307: C API: Add PyMapping_GetOptionalItem() function (GH-106308)Serhiy Storchaka2023-07-111-0/+15
| | | | Also add PyMapping_GetOptionalItemString() function.
* gh-106521: Add PyObject_GetOptionalAttr() function (GH-106522)Serhiy Storchaka2023-07-111-0/+32
| | | | | | It is a new name of former _PyObject_LookupAttr(). Add also PyObject_GetOptionalAttrString().
* gh-106572: Convert PyObject_DelAttr() to a function (#106611)Victor Stinner2023-07-111-4/+2
| | | | | | | | * Convert PyObject_DelAttr() and PyObject_DelAttrString() macros to functions. * Add PyObject_DelAttr() and PyObject_DelAttrString() functions to the stable ABI. * Replace PyObject_SetAttr(obj, name, NULL) with PyObject_DelAttr(obj, name).
* gh-85275: Remove old buffer APIs (#105137)Inada Naoki2023-06-021-49/+0
| | | | | They are now abi-only. Co-authored-by: Victor Stinner <vstinner@python.org>
* gh-104922: Make `PY_SSIZE_T_CLEAN` not mandatory again (#105051)Inada Naoki2023-05-311-15/+0
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* gh-98586: Add vector call APIs to the Limited API (GH-98587)Wenzel Jakob2022-10-271-0/+16
| | | Expose the facilities for making vector calls through Python's limited API.
* gh-93274: Expose receiving vectorcall in the Limited API (GH-95717)Petr Viktorin2022-08-081-0/+10
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* gh-87347: Add parenthesis around macro arguments (#93915)Victor Stinner2022-06-201-5/+5
| | | Add unit test on Py_MEMBER_SIZE() and some other macros.
* gh-93244: Document Py_PRINT_RAW in PyObject_Print() comment (93245)Will Hawkins2022-05-291-3/+3
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* bpo-45434: Remove useless space in includes (GH-28963)Victor Stinner2021-10-141-1/+1
| | | Micro-optimize spaces!
* Fix typos in the Include directory (GH-28745)Christian Clauss2021-10-061-1/+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-41103: Resurrect the old buffer protocol. (GH-27437)Inada Naoki2021-07-291-0/+47
| | | | | Revert "bpo-41103: Remove old buffer protocol support (#21117)" This reverts commit 6f8a6ee59cb7f99f68df8ee9c3e8c8cf19af3eed.
* bpo-31861: Add aiter and anext to builtins (#23847)Joshua Bronson2021-03-231-0/+10
| | | | | | Co-authored-by: jab <jab@users.noreply.github.com> Co-authored-by: Daniel Pope <mauve@mauveweb.co.uk> Co-authored-by: Justin Wang <justin39@gmail.com>
* bpo-40170: Always define PyIter_Check() as a function (GH-24548)Erlend Egeberg Aasland2021-02-161-1/+1
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* bpo-42085: Introduce dedicated entry in PyAsyncMethods for sending values ↵Vladimir Matveev2020-11-101-5/+0
| | | | (#22780)
* bpo-41756: Export PyGen_Send and wrap it in if-defs (#22677)Vladimir Matveev2020-10-131-0/+2
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* bpo-41756: Add PyIter_Send function (#22443)Vladimir Matveev2020-10-101-0/+16
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* bpo-41103: Remove old buffer protocol support (#21117)Inada Naoki2020-06-251-47/+0
| | | They are deprecated since Python 3.0.
* bpo-38600: Change the mark up of NULL in the C API documentation. (GH-16950)Serhiy Storchaka2019-10-301-3/+3
| | | | Replace all *NULL* with ``NULL``.
* Fix typos in comments, docs and test names (#15018)Min ho Kim2019-07-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | * Fix typos in comments, docs and test names * Update test_pyparse.py account for change in string length * Apply suggestion: splitable -> splittable Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu> * Apply suggestion: splitable -> splittable Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu> * Apply suggestion: Dealloccte -> Deallocate Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu> * Update posixmodule checksum. * Reverse idlelib changes.
* bpo-37194: Add a new public PyObject_CallNoArgs() function (GH-13890)Victor Stinner2019-06-171-0/+6
| | | | | | | | | | | | | | | Add a new public PyObject_CallNoArgs() function to the C API: call a callable Python object without any arguments. It is the most efficient way to call a callback without any argument. On x86-64, for example, PyObject_CallFunctionObjArgs(func, NULL) allocates 960 bytes on the stack per call, whereas PyObject_CallNoArgs(func) only allocates 624 bytes per call. It is excluded from stable ABI 3.8. Replace private _PyObject_CallNoArg() with public PyObject_CallNoArgs() in C extensions: _asyncio, _datetime, _elementtree, _pickle, _tkinter and readline.
* bpo-33407: Implement Py_DEPRECATED() on MSVC (GH-8980)Zackery Spytz2019-05-281-8/+7
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* bpo-35134: Create Include/cpython/abstract.h (GH-10728)Victor Stinner2018-11-261-281/+4
| | | | Move abstract.h code surrounded by "#ifndef Py_LIMITED_API" to a new Include/cpython/abstract.h header file.
* Clean up after bpo-33738. (GH-7627)Serhiy Storchaka2018-06-111-4/+2
| | | | | * Add declarations even if they are overridden by macros. * Make the declaration and the definition of PyExceptionClass_Name consistent.
* bpo-33738: Address review comments in GH #7477 (GH-7585)Christian Tismer2018-06-101-1/+1
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* bpo-33738: Fix macros which contradict PEP 384 (GH-7477)Christian Tismer2018-06-091-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During development of the limited API support for PySide, we saw an error in a macro that accessed a type field. This patch fixes the 7 errors in the Python headers. Macros which were not written as capitals were implemented as function. To do the necessary analysis again, a script was included that parses all headers and looks for "->tp_" in serctions which can be reached with active limited API. It is easily possible to call this script as a test. Error listing: ../../Include/objimpl.h:243 #define PyObject_IS_GC(o) (PyType_IS_GC(Py_TYPE(o)) && \ (Py_TYPE(o)->tp_is_gc == NULL || Py_TYPE(o)->tp_is_gc(o))) Action: commented only ../../Include/objimpl.h:362 #define PyType_SUPPORTS_WEAKREFS(t) ((t)->tp_weaklistoffset > 0) Action: commented only ../../Include/objimpl.h:364 #define PyObject_GET_WEAKREFS_LISTPTR(o) \ ((PyObject **) (((char *) (o)) + Py_TYPE(o)->tp_weaklistoffset)) Action: commented only ../../Include/pyerrors.h:143 #define PyExceptionClass_Name(x) \ ((char *)(((PyTypeObject*)(x))->tp_name)) Action: implemented function ../../Include/abstract.h:593 #define PyIter_Check(obj) \ ((obj)->ob_type->tp_iternext != NULL && \ (obj)->ob_type->tp_iternext != &_PyObject_NextNotImplemented) Action: implemented function ../../Include/abstract.h:713 #define PyIndex_Check(obj) \ ((obj)->ob_type->tp_as_number != NULL && \ (obj)->ob_type->tp_as_number->nb_index != NULL) Action: implemented function ../../Include/abstract.h:924 #define PySequence_ITEM(o, i)\ ( Py_TYPE(o)->tp_as_sequence->sq_item(o, i) ) Action: commented only
* bpo-5945: Improve mappings and sequences C API docs. (GH-7029)Serhiy Storchaka2018-05-221-8/+8
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* Fix PyObject_Hash signature in comment (#4905)Andrew Svetlov2017-12-161-1/+1
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* bpo-32240: Add the const qualifier to declarations of PyObject* array ↵Serhiy Storchaka2017-12-151-8/+8
| | | | arguments. (#4746)
* Spelling fixes (#2902)Ville Skyttä2017-08-031-1/+1
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* bpo-29852: Argument Clinic Py_ssize_t converter now supports None (#716)Serhiy Storchaka2017-03-301-0/+3
| | | if pass `accept={int, NoneType}`.
* bpo-29735: Optimize partial_call(): avoid tuple (#516)Victor Stinner2017-03-141-0/+4
| | | | | | | | * Add _PyObject_HasFastCall() * partial_call() now avoids temporary tuple to pass positional arguments if the callable supports the FASTCALL calling convention for positional arguments. * Fix also a performance regression in partial_call() if the callable doesn't support FASTCALL.
* Optimize slots: avoid temporary PyMethodObjectVictor Stinner2017-02-091-0/+6
| | | | | | | | | | | | | | | | | | Issue #29507: Optimize slots calling Python methods. For Python methods, get the unbound Python function and prepend arguments with self, rather than calling the descriptor which creates a temporary PyMethodObject. Add a new _PyObject_FastCall_Prepend() function used to call the unbound Python method with self. It avoids the creation of a temporary tuple to pass positional arguments. Avoiding temporary PyMethodObject and avoiding temporary tuple makes Python slots up to 1.46x faster. Microbenchmark on a __getitem__() method implemented in Python: Median +- std dev: 121 ns +- 5 ns -> 82.8 ns +- 1.0 ns: 1.46x faster (-31%) Co-Authored-by: INADA Naoki <songofacandy@gmail.com>
* Issue #29360: _PyStack_AsDict() doesn't check kwnamesVictor Stinner2017-01-241-6/+9
| | | | | Remove two assertions which can fail on legit code. Keyword arguments are checked later with better tests and raise a regular (TypeError) exception.
* Remove unused func parameter of _PyStack_UnpackDict()Victor Stinner2017-01-181-2/+1
| | | | Issue #29259.
* _PyStack_UnpackDict() now returns -1 on errorVictor Stinner2017-01-171-5/+8
| | | | | Issue #29286. Change _PyStack_UnpackDict() prototype to be able to notify of failure when args is NULL.
* Rename _PyArg_ParseStack to _PyArg_ParseStackAndKeywordsVictor Stinner2017-01-171-2/+2
| | | | Issue #29286.
* Add _PyStack_AsTupleSlice() helperVictor Stinner2017-01-161-0/+6
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* call_method() now uses _PyObject_FastCall()Victor Stinner2017-01-101-8/+0
| | | | | | | | | | | | | | | | | | | Issue #29233: Replace the inefficient _PyObject_VaCallFunctionObjArgs() with _PyObject_FastCall() in call_method() and call_maybe(). Only a few functions call call_method() and call it with a fixed number of arguments. Avoid the complex and expensive _PyObject_VaCallFunctionObjArgs() function, replace it with an array allocated on the stack with the exact number of argumlents. It reduces the stack consumption, bytes per call, before => after: test_python_call: 1168 => 1152 (-16 B) test_python_getitem: 1344 => 1008 (-336 B) test_python_iterator: 1568 => 1232 (-336 B) Remove the _PyObject_VaCallFunctionObjArgs() function which became useless. Rename it to object_vacall() and make it private.
* Issue #29058: All stable API extensions added after Python 3.2 are nowSerhiy Storchaka2016-12-271-0/+4
|\ | | | | | | | | available only when Py_LIMITED_API is set to the PY_VERSION_HEX value of the minimum Python version supporting this API.
| * Issue #29058: All stable API extensions added after Python 3.2 are nowSerhiy Storchaka2016-12-271-0/+4
| | | | | | | | | | available only when Py_LIMITED_API is set to the PY_VERSION_HEX value of the minimum Python version supporting this API.
* | abstract.h: remove long outdated commentVictor Stinner2016-12-191-118/+2
| | | | | | | | | | | | | | Issue #28838: The documentation is of the Python C API is more complete and more up to date than this old comment. Removal suggested by Antoine Pitrou.
* | Add _PY_FASTCALL_SMALL_STACK constantVictor Stinner2016-12-151-0/+11
| | | | | | | | | | | | | | | | | | Issue #28870: Add a new _PY_FASTCALL_SMALL_STACK constant, size of "small stacks" allocated on the C stack to pass positional arguments to _PyObject_FastCall(). _PyObject_Call_Prepend() now uses a small stack of 5 arguments (40 bytes) instead of 8 (64 bytes), since it is modified to use _PY_FASTCALL_SMALL_STACK.
* | Issue #28838: Cleanup abstract.hVictor Stinner2016-12-151-621/+423
| | | | | | | | | | | | | | | | | | | | Rewrite all comments to use the same style than other Python header files: comment functions *before* their declaration, no newline between the comment and the declaration. Reformat some comments, add newlines, to make them easier to read. Quote argument like 'arg' to mention an argument in a comment.
* | Add _PyObject_VaCallFunctionObjArgs() private functionVictor Stinner2016-12-081-0/+6
| | | | | | | | | | Issue #28915: Similar to _PyObject_CallFunctionObjArgs() but use va_list to pass arguments.
* | Issue #28838: Fix weird indentation of abstract.hVictor Stinner2016-12-061-847/+859
| | | | | | | | Remove most indentation to move code at the left.
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