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* bpo-40052: Fix alignment issue in PyVectorcall_Function() (GH-23999)Petr Viktorin2020-12-291-3/+3
| | | | | | | | | | | | | | | ``` In file included from /usr/include/python3.8/Python.h:147: In file included from /usr/include/python3.8/abstract.h:837: /usr/include/python3.8/cpython/abstract.h:91:11: error: cast from 'char *' to 'vectorcallfunc *' (aka 'struct _object *(**)(struct _object *, struct _object *const *, unsigned long, struct _object *)') increases required alignment from 1 to 8 [-Werror,-Wcast-align] ptr = (vectorcallfunc*)(((char *)callable) + offset); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. ``` Co-Authored-By: Andreas Schneider <asn@cryptomilk.org> Co-Authored-By: Antoine Pitrou <antoine@python.org>
* bpo-39465: Fix _PyUnicode_FromId() for subinterpreters (GH-20058)Victor Stinner2020-12-251-3/+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-42639: Cleanup atexitmodule.c (GH-23770)Victor Stinner2020-12-141-5/+0
| | | | | | | | | * Rename "atexitmodule_state" to "struct atexit_state". * Rename "modstate" to "state". * Rename "self" parameter to "module". * test_atexit uses textwrap.dedent(). * Remove _Py_PyAtExit() function: inline it into atexit_exec(). * PyInterpreterState: rename pyexitfunc to atexit_func, rename pyexitmodule to atexit_module.
* bpo-32381: Add _PyRun_AnyFileObject() (GH-23723)Victor Stinner2020-12-092-0/+10
| | | | | | | | | | pymain_run_file() no longer encodes the filename: pass the filename as an object to the new _PyRun_AnyFileObject() function. Add new private functions: * _PyRun_AnyFileObject() * _PyRun_InteractiveLoopObject() * _Py_FdIsInteractive()
* bpo-32381: Remove unused _Py_fopen() function (GH-23711)Victor Stinner2020-12-091-4/+0
| | | | Remove the private _Py_fopen() function which is no longer needed. Use _Py_wfopen() or _Py_fopen_obj() instead.
* bpo-32381: Add _PyRun_SimpleFileObject() (GH-23709)Victor Stinner2020-12-081-0/+5
| | | | pymain_run_startup() now pass the filename as a Python object to _PyRun_SimpleFileObject().
* bpo-35134: Add Include/cpython/pythonrun.h file (GH-23701)Victor Stinner2020-12-081-0/+117
| | | | | Py_CompileString() is now always declared as a function by Include/pythonrun.h. It is overriden with a macro in Include/cpython/pythonrun.h.
* bpo-30459: Cast the result of PyList_SET_ITEM() to void (GH-19975)Zackery Spytz2020-12-052-2/+2
| | | Do the same for PyTuple_SET_ITEM().
* bpo-42431: Fix outdated bytes comments (GH-23458)Serhiy Storchaka2020-12-031-1/+1
| | | | Also move definitions of internal macros F_LJUST etc to private header.
* bpo-42500: Fix recursion in or after except (GH-23568)Mark Shannon2020-12-021-2/+1
| | | * Use counter, rather boolean state when handling soft overflows.
* 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-42246: Partial implementation of PEP 626. (GH-23113)Mark Shannon2020-11-121-7/+21
| | | * Implement new line number table format, as defined in PEP 626.
* 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)
* bpo-42260: Add _PyInterpreterState_SetConfig() (GH-23158)Victor Stinner2020-11-041-0/+30
| | | | | | | | * Inline _PyInterpreterState_SetConfig(): replace it with _PyConfig_Copy(). * Add _PyErr_SetFromPyStatus() * Add _PyInterpreterState_GetConfigCopy() * Add a new _PyInterpreterState_SetConfig() function. * Add an unit which gets, modifies, and sets the config.
* bpo-42260: Reorganize PyConfig (GH-23149)Victor Stinner2020-11-041-5/+5
| | | | | | | | * Move orig_argv before argv * Move program_name and platlibdir with other path configuration inputs Give a name to the PyPreConfig and PyConfig structures and separate the type definitions.
* 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-42236: Enhance init and encoding documentation (GH-23109)Victor Stinner2020-11-021-221/+32
| | | | | | | | | | | | | | | | | | | | | Enhance the documentation of the Python startup, filesystem encoding and error handling, locale encoding. Add a new "Python UTF-8 Mode" section. * Add "locale encoding" and "filesystem encoding and error handler" to the glossary * Remove documentation from Include/cpython/initconfig.h: move it to Doc/c-api/init_config.rst. * Doc/c-api/init_config.rst: * Document command line options and environment variables * Document default values. * Add a new "Python UTF-8 Mode" section in Doc/library/os.rst. * Add warnings to Py_DecodeLocale() and Py_EncodeLocale() docs. * Document how Python selects the filesystem encoding and error handler at a single place: PyConfig.filesystem_encoding and PyConfig.filesystem_errors. * PyConfig: move orig_argv member at the right place.
* bpo-41435: Add sys._current_exceptions() function (GH-21689)Julien Danjou2020-11-021-0/+5
| | | | | | This adds a new function named sys._current_exceptions() which is equivalent ot sys._current_frames() except that it returns the exceptions currently handled by other threads. It is equivalent to calling sys.exc_info() for each running thread.
* bpo-42236: Use UTF-8 encoding if nl_langinfo(CODESET) fails (GH-23086)Victor Stinner2020-11-011-30/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the nl_langinfo(CODESET) function returns an empty string, Python now uses UTF-8 as the filesystem encoding. In May 2010 (commit b744ba1d14c5487576c95d0311e357b707600b47), I modified Python to log a warning and use UTF-8 as the filesystem encoding (instead of None) if nl_langinfo(CODESET) returns an empty string. In August 2020 (commit 94908bbc1503df830d1d615e7b57744ae1b41079), I modified Python startup to fail with a fatal error and a specific error message if nl_langinfo(CODESET) returns an empty string. The intent was to prevent guessing the encoding and also investigate user configuration where this case happens. In 10 years (2010 to 2020), I saw zero user report about the error message related to nl_langinfo(CODESET) returning an empty string. Today, UTF-8 became the defacto standard and it's safe to make the assumption that the user expects UTF-8. For example, nl_langinfo(CODESET) can return an empty string on macOS if the LC_CTYPE locale is not supported, and UTF-8 is the default encoding on macOS. While this change is likely to not affect anyone in practice, it should make UTF-8 lover happy ;-) Rewrite also the documentation explaining how Python selects the filesystem encoding and error handler.
* bpo-42208: Pass tstate to _PyGC_CollectNoFail() (GH-23038)Victor Stinner2020-10-301-4/+0
| | | | | | | | | | | | Move private _PyGC_CollectNoFail() to the internal C API. Remove the private _PyGC_CollectIfEnabled() which was just an alias to the public PyGC_Collect() function since Python 3.8. Rename functions: * collect() => gc_collect_main() * collect_with_callback() => gc_collect_with_callback() * collect_generations() => gc_collect_generations()
* bpo-42006: Stop using PyDict_GetItem, PyDict_GetItemString and ↵Serhiy Storchaka2020-10-261-2/+2
| | | | | | | | | | | _PyDict_GetItemId. (GH-22648) These functions are considered not safe because they suppress all internal errors and can return wrong result. PyDict_GetItemString and _PyDict_GetItemId can also silence current exception in rare cases. Remove no longer used _PyDict_GetItemId. Add _PyDict_ContainsId and rename _PyDict_Contains into _PyDict_Contains_KnownHash.
* bpo-42093: Add opcode cache for LOAD_ATTR (GH-22803)Pablo Galindo2020-10-201-0/+1
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* bpo-41845: Move PyObject_GenericGetDict() back into the limited API (GH22646)Zackery Spytz2020-10-191-1/+0
| | | | 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 Gaynor2020-10-191-20/+0
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* Fix typo in listobject.h (GH-22588)chilaxan2020-10-111-1/+1
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* bpo-41991: Remove _PyObject_HasAttrId (GH-22629)Serhiy Storchaka2020-10-101-1/+0
| | | It can silence arbitrary exceptions.
* bpo-41986: Add Py_FileSystemDefaultEncodeErrors and Py_UTF8Mode back to ↵Serhiy Storchaka2020-10-101-8/+0
| | | | limited API (GH-22621)
* bpo-41985: Add _PyLong_FileDescriptor_Converter and AC converter for ↵Serhiy Storchaka2020-10-091-0/+2
| | | | "fildes". (GH-22620)
* bpo-41936. Remove macros Py_ALLOW_RECURSION/Py_END_ALLOW_RECURSION (GH-22552)Serhiy Storchaka2020-10-051-2/+0
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* bpo-41098: Doc: Add missing deprecated directives (GH-21162)Inada Naoki2020-08-071-2/+8
| | | | PyUnicodeEncodeError_Create has been deprecated with `Py_DEPRECATED` macro. But it was not documented.
* bpo-41366: Fix clang warning for sign conversion (GH-21592)Henry Schreiner2020-07-231-1/+1
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* bpo-40941: Unify implicit and explicit state in the frame and generator ↵Mark Shannon2020-07-171-5/+28
| | | | | | | objects into a single value. (GH-20803) * Merge gen and frame state variables into one. * Replace stack pointer with depth in PyFrameObject. Makes code easier to read and saves a word of memory.
* bpo-36346: Make using the legacy Unicode C API optional (GH-21437)Serhiy Storchaka2020-07-101-1/+3
| | | | Add compile time option USE_UNICODE_WCHAR_CACHE. Setting it to 0 makes the interpreter not using the wchar_t cache and the legacy Unicode C API.
* bpo-36346: Undeprecate private function _PyUnicode_AsUnicode(). (GH-21336)Serhiy Storchaka2020-07-051-1/+1
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* Uncomment Py_DEPRECATED for Py_UNICODE APIs (GH-21318)Inada Naoki2020-07-051-2/+2
| | | | | PyUnicode_EncodeDecimal and PyUnicode_TransformDecimalToASCII are deprecated since Python 3.3. But Py_DEPRECATED(3.3) was commented out.
* bpo-36346: Prepare for removing the legacy Unicode C API (AC only). (GH-21223)Serhiy Storchaka2020-06-301-0/+5
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* bpo-41123: Remove PyUnicode_AsUnicodeCopy (GH-21209)Inada Naoki2020-06-301-8/+0
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* bpo-23427: Add sys.orig_argv attribute (GH-20729)Victor Stinner2020-06-291-6/+8
| | | | | | | Add sys.orig_argv attribute: the list of the original command line arguments passed to the Python executable. Rename also PyConfig._orig_argv to PyConfig.orig_argv and document it.
* bpo-41123: Remove PyUnicode_GetMax() (GH-21192)Inada Naoki2020-06-291-3/+0
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* bpo-41123: Remove Py_UNICODE_str* functions (GH-21164)Inada Naoki2020-06-271-37/+0
| | | They are undocumented and deprecated since Python 3.3.
* bpo-41078: Add pycore_list.h internal header file (GH-21057)Victor Stinner2020-06-221-1/+0
| | | | | * Move _PyList_ITEMS() to pycore_list.h. * The C extension "_heapq" is now built with Py_BUILD_CORE_MODULE macro defined to access the internal C API.
* bpo-36346: Make unicodeobject.h C89 compatible (GH-20934)Inada Naoki2020-06-171-1/+2
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* bpo-36346: Add Py_DEPRECATED to deprecated unicode APIs (GH-20878)Inada Naoki2020-06-171-23/+23
| | | | Co-authored-by: Kyle Stanley <aeros167@gmail.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* 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-40989: PyObject_INIT() becomes an alias to PyObject_Init() (GH-20901)Victor Stinner2020-06-151-36/+3
| | | | | | | | | | | | | | The PyObject_INIT() and PyObject_INIT_VAR() macros become aliases to, respectively, PyObject_Init() and PyObject_InitVar() functions. Rename _PyObject_INIT() and _PyObject_INIT_VAR() static inline functions to, respectively, _PyObject_Init() and _PyObject_InitVar(), and move them to pycore_object.h. Remove their return value: their return type becomes void. The _datetime module is now built with the Py_BUILD_CORE_MODULE macro defined. Remove an outdated comment on _Py_tracemalloc_config.
* bpo-40939: Remove the old parser (GH-20768)Pablo Galindo2020-06-111-4/+0
| | | This commit removes the old parser, the deprecated parser module, the old parser compatibility flags and environment variables and all associated support code and documentation.
* bpo-40910: Export Py_GetArgcArgv() function (GH-20721)Victor Stinner2020-06-081-0/+16
| | | | | | | | | | | | Export explicitly the Py_GetArgcArgv() function to the C API and document the function. Previously, it was exported implicitly which no longer works since Python is built with -fvisibility=hidden. * Add PyConfig._orig_argv member. * Py_InitializeFromConfig() no longer calls _PyConfig_Write() twice. * PyConfig_Read() no longer initializes Py_GetArgcArgv(): it is now _PyConfig_Write() responsibility. * _PyConfig_Write() result type becomes PyStatus instead of void. * Write an unit test on Py_GetArgcArgv().
* bpo-40854: Allow overriding sys.platlibdir via PYTHONPLATLIBDIR env-var ↵Sandro Mani2020-06-081-0/+1
| | | | (GH-20605)
* bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h ↵Skip Montanaro2020-06-0119-151/+1
| | | | (GH-18413)
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