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* bpo-45440: Require math.h isinf() to build (GH-28894)Victor Stinner2021-10-131-12/+1
| | | | | | | | | | | | | | | Building Python now requires a C99 <math.h> header file providing isinf(), isnan() and isfinite() functions. Remove the Py_FORCE_DOUBLE() macro. It was used by the Py_IS_INFINITY() macro. Changes: * Remove Py_IS_NAN(), Py_IS_INFINITY() and Py_IS_FINITE() in PC/pyconfig.h. * Remove the _Py_force_double() function. * configure no longer checks if math.h defines isinf(), isnan() and isfinite().
* bpo-45434: pyport.h no longer includes <stdlib.h> (GH-28914)Victor Stinner2021-10-131-0/+1
| | | | | Include <stdlib.h> explicitly in C files. Python.h includes <wchar.h>.
* bpo-45434: Move _Py_BEGIN_SUPPRESS_IPH to pycore_fileutils.h (GH-28922)Victor Stinner2021-10-132-1/+2
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* Fix typos in the Objects directory (GH-28766)Christian Clauss2021-10-061-1/+1
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* bpo-45375: Fix off by one error in buffer allocation (GH-28764)Steve Dower2021-10-061-1/+1
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* bpo-45375: Fix assertion failure due to searching for stdlib in unnormalised ↵Steve Dower2021-10-051-1/+23
| | | | paths (GH-28735)
* bpo-45211: Remember the stdlib dir during startup. (gh-28586)Eric Snow2021-09-281-2/+10
| | | | | During runtime startup we figure out the stdlib dir but currently throw that information away. This change preserves it and exposes it via PyConfig.stdlib_dir, _Py_GetStdlibDir(), and sys._stdlib_dir. https://bugs.python.org/issue45211
* bpo-45211: Move helpers from getpath.c to internal API. (gh-28550)Eric Snow2021-09-271-26/+29
| | | | | | | | | | | | This accomplishes 2 things: * consolidates some common code between getpath.c and getpathp.c * makes the helpers available to code in other files FWIW, the signature of the join_relfile() function (in fileutils.c) intentionally mirrors that of Windows' PathCchCombineEx(). Note that this change is mostly moving code around. No behavior is meant to change. https://bugs.python.org/issue45211
* [codemod] Fix non-matching bracket pairs (GH-28473)Mohamad Mansour2021-09-211-1/+1
| | | | | Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu> Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-45188: Windows now regenerates frozen modules at the start of build ↵Steve Dower2021-09-151-0/+53
| | | | | | | instead of late (GH-28322) This will enable us to drop the frozen module header files from the repository. It does currently cause many source files to be built twice, which just takes more time. For whoever comes to fix this in the future, the files shared between freeze_module and pythoncore should be put into a static library that is consumed by both.
* 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>
* Add tests for the C tokenizer and expose it as a private module (GH-27924)Pablo Galindo Salgado2021-08-241-3/+2
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* 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-44740: Lowercase "internet" and "web" where appropriate. (#27378)Mariusz Felisiak2021-07-261-1/+1
| | | Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-44353: Implement typing.NewType __call__ method in C (#27262)Yurii Karabas2021-07-221-0/+2
| | | | Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com> Co-authored-by: Denis Laxalde <denis@laxalde.org>
* 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-40222: "Zero cost" exception handling (GH-25729)Mark Shannon2021-05-071-1/+2
| | | | | | | | "Zero cost" exception handling. * Uses a lookup table to determine how to handle exceptions. * Removes SETUP_FINALLY and POP_TOP block instructions, eliminating (most of) the runtime overhead of try statements. * Reduces the size of the frame object by about 60%.
* bpo-43795: Mark PyCodec_Unregister as a function, not data, in stable ABI ↵Petr Viktorin2021-05-051-1/+1
| | | | (GH-25920)
* Update CI files to account for the master -> main rename (GH-25860)Pablo Galindo2021-05-031-2/+2
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* 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-30555: Fix WindowsConsoleIO fails in the presence of fd redirection ↵Segev Finer2021-04-232-21/+8
| | | | | | | | (GH-1927) This works by not caching the handle and instead getting the handle from the file descriptor each time, so that if the actual handle changes by fd redirection closing/opening the console handle beneath our feet, we will keep working correctly.
* 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-43179: Generalise alignment for optimised string routines (GH-24624)Jessica Clarke2021-03-311-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | * Remove m68k-specific hack from ascii_decode On m68k, alignments of primitives is more relaxed, with 4-byte and 8-byte types only requiring 2-byte alignment, thus using sizeof(size_t) does not work. Instead, use the portable alternative. Note that this is a minimal fix that only relaxes the assertion and the condition for when to use the optimised version remains overly strict. Such issues will be fixed tree-wide in the next commit. NB: In C11 we could use _Alignof(size_t) instead, but for compatibility we use autoconf. * Optimise string routines for architectures with non-natural alignment C only requires that sizeof(x) is a multiple of alignof(x), not that the two are equal. Thus anywhere where we optimise based on alignment we should be using alignof(x) not sizeof(x). This is more annoying than it would be in C11 where we could just use _Alignof(x) (and alignof(x) in C++11), but since we still require only C99 we must plumb the information all the way from autoconf through the various typedefs and defines.
* bpo-43637: Fix a possible memory leak in winreg.SetValueEx() (GH-25038)Zackery Spytz2021-03-301-0/+1
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* 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-11717: fix ssize_t redefinition error when targeting 32bit Windows app ↵Jozef Grajciar2021-03-011-3/+3
| | | | (GH-24479)
* Fix typo in launcher.c (GH-24497)Ikko Ashimine2021-02-201-2/+2
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* bpo-43155: Add PyCMethod_New to PC/python3dll.c (GH-24500)Zackery Spytz2021-02-161-0/+1
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* Fix signed/unsigned comparison to avoid compilation warning (GH-24441)Ken Jin2021-02-041-1/+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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* bpo-42802: Remove distutils bdist_wininst command (GH-24043)Victor Stinner2021-01-0813-3484/+0
| | | | | | | | | | The distutils bdist_wininst command deprecated in Python 3.8 has been removed. The distutils bidst_wheel command is now recommended to distribute binary packages on Windows. * Remove Lib/distutils/command/bdist_wininst.py * Remove PC/bdist_wininst/ project * Remove Lib/distutils/command/wininst-*.exe programs * Remove all references to bdist_wininst
* Bring Python into the new year. (GH-24036)Dong-hee Na2021-01-011-1/+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-42111: Make the xxlimited module an example of best extension module ↵Petr Viktorin2020-12-081-1/+1
| | | | | | | practices (GH-23226) - Copy existing xxlimited to xxlimited53 (named for the limited API version it uses) - Build both modules, both in debug and release - Test both modules
* bpo-42519: Replace PyObject_MALLOC() with PyObject_Malloc() (GH-23587)Victor Stinner2020-12-012-3/+3
| | | | | | | | | No longer use deprecated aliases to functions: * Replace PyObject_MALLOC() with PyObject_Malloc() * Replace PyObject_REALLOC() with PyObject_Realloc() * Replace PyObject_FREE() with PyObject_Free() * Replace PyObject_Del() with PyObject_Free() * Replace PyObject_DEL() with PyObject_Free()
* bpo-42519: Replace PyMem_MALLOC() with PyMem_Malloc() (GH-23586)Victor Stinner2020-12-011-1/+1
| | | | | | | | | | | No longer use deprecated aliases to functions: * Replace PyMem_MALLOC() with PyMem_Malloc() * Replace PyMem_REALLOC() with PyMem_Realloc() * Replace PyMem_FREE() with PyMem_Free() * Replace PyMem_Del() with PyMem_Free() * Replace PyMem_DEL() with PyMem_Free() Modify also the PyMem_DEL() macro to use directly PyMem_Free().
* bpo-42120: Remove macro defining copysign to _copysign on Windows (GH-23326)Steve Dower2020-11-161-1/+0
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