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* bpo-45315: PyType_FromSpec: Copy spec->name and have the type own the memory ↵Petr Viktorin2021-10-211-0/+1
| | | | for its name (GH-29103)
* bpo-45340: Don't create object dictionaries unless actually needed (GH-28802)Mark Shannon2021-10-131-0/+1
| | | | | | | | | | | | | | * Never change types' cached keys. It could invalidate inline attribute objects. * Lazily create object dictionaries. * Update specialization of LOAD/STORE_ATTR. * Don't update shared keys version for deletion of value. * Update gdb support to handle instance values. * Rename SPLIT_KEYS opcodes to INSTANCE_VALUE.
* bpo-44874: deprecate Py_TRASHCAN_SAFE_BEGIN and Py_TRASHCAN_SAFE_END (GH-27693)Irit Katriel2021-08-181-4/+13
| | | | Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-39947: Remove old private trashcan C API functions (GH-26869)Victor Stinner2021-06-231-14/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | 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-43908: Document Static Types in the C API (GH-25710)Victor Stinner2021-04-291-0/+2
| | | Update also PyTypeObject structure definition in the doc.
* bpo-40522: Replace PyThreadState_GET() with PyThreadState_Get() (GH-24575)Victor Stinner2021-02-191-1/+1
| | | | | Use directly the PyThreadState_Get() function in public header files, since PyThreadState_GET() macro is just an alias to it in pratice in these files.
* bpo-39465: Fix _PyUnicode_FromId() for subinterpreters (GH-20058)Victor Stinner2020-12-261-3/+4
| | | | | | | | | | | | | | | | | Make _PyUnicode_FromId() function compatible with subinterpreters. Each interpreter now has an array of identifier objects (interned strings decoded from UTF-8). * Add PyInterpreterState.unicode.identifiers: array of identifiers objects. * Add _PyRuntimeState.unicode_ids used to allocate unique indexes to _Py_Identifier. * Rewrite the _Py_Identifier structure. Microbenchmark on _PyUnicode_FromId(&PyId_a) with _Py_IDENTIFIER(a): [ref] 2.42 ns +- 0.00 ns -> [atomic] 3.39 ns +- 0.00 ns: 1.40x slower This change adds 1 ns per _PyUnicode_FromId() call in average.
* bpo-40170: Hide impl detail of Py_TRASHCAN_BEGIN macro (GH-23235)Hai Shi2020-11-241-1/+3
| | | | | The Py_TRASHCAN_BEGIN macro no longer accesses PyTypeObject attributes, but now can get the condition by calling the new private _PyTrash_cond() function which hides implementation details.
* bpo-40170: Fix PyType_Ready() refleak on static type (GH-23236)Victor Stinner2020-11-111-0/+1
| | | | | | | | | bpo-1635741, bpo-40170: When called on a static type with NULL tp_base, PyType_Ready() no longer increments the reference count of the PyBaseObject_Type ("object). PyTypeObject.tp_base is a strong reference on a heap type, but it is borrowed reference on a static type. Fix 99 reference leaks at Python exit (showrefcount 18623 => 18524).
* bpo-42085: Introduce dedicated entry in PyAsyncMethods for sending values ↵Vladimir Matveev2020-11-101-0/+3
| | | | (#22780)
* Add _PyType_GetModuleByDef (GH-22835)Petr Viktorin2020-11-031-0/+2
| | | | | See https://mail.python.org/archives/list/capi-sig@python.org/thread/T3P2QNLNLBRFHWSKYSTPMVEIL2EEKFJU/ for discussion. https://bugs.python.org/issue42100
* bpo-41991: Remove _PyObject_HasAttrId (GH-22629)Serhiy Storchaka2020-10-101-1/+0
| | | It can silence arbitrary exceptions.
* bpo-40989: Make _PyTraceMalloc_NewReference() internal (GH-20915)Victor Stinner2020-06-161-4/+0
| | | | Make the _PyTraceMalloc_NewReference() function fully internal: remove it from the public C API and don't export it anymore.
* bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h ↵Skip Montanaro2020-06-011-8/+0
| | | | (GH-18413)
* bpo-39465: Remove _PyUnicode_ClearStaticStrings() from C API (GH-20078)Victor Stinner2020-05-141-1/+1
| | | | Remove the _PyUnicode_ClearStaticStrings() function from the C API. Make the function fully private (declare it with "static").
* bpo-38787: C API for module state access from extension methods (PEP 573) ↵Petr Viktorin2020-05-071-0/+1
| | | | | | | | | (GH-19936) Module C state is now accessible from C-defined heap type methods (PEP 573). Patch by Marcel Plch and Petr Viktorin. Co-authored-by: Marcel Plch <mplch@redhat.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-39947: Hide implementation detail of trashcan macros (GH-18971)Victor Stinner2020-03-131-15/+18
| | | | | | Py_TRASHCAN_BEGIN_CONDITION and Py_TRASHCAN_END macro no longer access PyThreadState attributes, but call new private _PyTrash_begin() and _PyTrash_end() functions which hide implementation details.
* bpo-39571: Fix clang warning on PyTypeObject typedef (GH-18385)Victor Stinner2020-02-071-2/+2
| | | Only define PyTypeObject type once.
* bpo-39542: Convert PyType_Check() to static inline function (GH-18364)Victor Stinner2020-02-051-2/+0
| | | | Convert PyType_HasFeature(), PyType_Check() and PyType_CheckExact() macros to static inline functions.
* bpo-39542: Make PyObject_INIT() opaque in limited C API (GH-18363)Victor Stinner2020-02-051-0/+16
| | | | | | | | | | | | | | In the limited C API, PyObject_INIT() and PyObject_INIT_VAR() are now defined as aliases to PyObject_Init() and PyObject_InitVar() to make their implementation opaque. It avoids to leak implementation details in the limited C API. Exclude the following functions from the limited C API, move them from object.h to cpython/object.h: * _Py_NewReference() * _Py_ForgetReference() * _PyTraceMalloc_NewReference() * _Py_GetRefTotal()
* bpo-39542: Exclude trashcan from the limited C API (GH-18362)Victor Stinner2020-02-051-0/+86
| | | | | | | | Exclude trashcan mechanism from the limited C API: it requires access to PyTypeObject and PyThreadState structure fields, whereas these structures are opaque in the limited C API. The trashcan mechanism never worked with the limited C API. Move it from object.h to cpython/object.h.
* bpo-39543: Remove unused _Py_Dealloc() macro (GH-18361)Victor Stinner2020-02-051-10/+0
| | | | | | | | | | | | The macro is defined after Py_DECREF() and so is no longer used by Py_DECREF(). Moving _Py_Dealloc() macro back from cpython/object.h to object.h would require to move a lot of definitions as well: PyTypeObject and many related types used by PyTypeObject. Keep _Py_Dealloc() as an opaque function call to avoid leaking implementation details in the limited C API (object.h): remove _Py_Dealloc() macro from cpython/object.h.
* bpo-39489: Remove COUNT_ALLOCS special build (GH-18259)Victor Stinner2020-02-031-11/+0
| | | | | | | | | | | Remove: * COUNT_ALLOCS macro * sys.getcounts() function * SHOW_ALLOC_COUNT code in listobject.c * SHOW_TRACK_COUNT code in tupleobject.c * PyConfig.show_alloc_count field * -X showalloccount command line option * @test.support.requires_type_collecting decorator
* bpo-38631: Add _Py_NO_RETURN to functions calling Py_FatalError() (GH-18278)Victor Stinner2020-01-301-1/+1
| | | | | | | | | Add _Py_NO_RETURN to functions calling Py_FatalError(): * _PyObject_AssertFailed() * dummy_dealloc() * faulthandler_fatal_error_thread() * none_dealloc() * notimplemented_dealloc()
* bpo-37645: add new function _PyObject_FunctionStr() (GH-14890)Jeroen Demeyer2019-11-051-0/+1
| | | | | | | | | | | | Additional note: the `method_check_args` function in `Objects/descrobject.c` is written in such a way that it applies to all kinds of descriptors. In particular, a future re-implementation of `wrapper_descriptor` could use that code. CC @vstinner @encukou https://bugs.python.org/issue37645 Automerge-Triggered-By: @encukou
* bpo-37249: add declaration of _PyObject_GetMethod (GH-14015)Jeroen Demeyer2019-06-141-0/+3
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* bpo-36974: implement PEP 590 (GH-13185)Jeroen Demeyer2019-05-291-7/+8
| | | | | Co-authored-by: Jeroen Demeyer <J.Demeyer@UGent.be> Co-authored-by: Mark Shannon <mark@hotpy.org>
* bpo-36389: Add _PyObject_CheckConsistency() function (GH-12803)Victor Stinner2019-04-121-0/+15
| | | | | | Add a new _PyObject_CheckConsistency() function which can be used to help debugging. The function is available in release mode. Add a 'check_content' parameter to _PyDict_CheckConsistency().
* bpo-35444: Unify and optimize the helper for getting a builtin object. ↵Serhiy Storchaka2018-12-111-3/+0
| | | | | | | | (GH-11047) This speeds up pickling of some iterators. This fixes also error handling in pickling methods when fail to look up builtin "getattr".
* bpo-35134: Create Include/cpython/object.h (GH-10679)Victor Stinner2018-11-261-0/+454
* Move object.h code surrounded by "#ifndef Py_LIMITED_API" to a new Include/cpython/object.h header file. * "typedef struct _typeobject PyTypeObject;" is now always defined in object.h, but if Py_LIMITED_API is not defined, Include/cpython/object.h also defines the structure. * Complete the printfunc comment to mention Py_LIMITED_API define.
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