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* Post 3.10.0rc1Pablo Galindo2021-08-021-1/+1
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* Python 3.10.0rc1v3.10.0rc1Pablo Galindo2021-08-021-3/+3
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* bpo-41103: Resurrect the old buffer protocol. (GH-27437) (GH-27441)Miss Islington (bot)2021-07-291-0/+47
| | | | | | | | Revert "bpo-41103: Remove old buffer protocol support (GH-21117)" This reverts commit 6f8a6ee59cb7f99f68df8ee9c3e8c8cf19af3eed. (cherry picked from commit ce5e1a6809b714eb0383219190a076d9f883e008) Co-authored-by: Inada Naoki <songofacandy@gmail.com>
* bpo-42747: Remove Py_TPFLAGS_HAVE_AM_SEND and make ↵Miss Islington (bot)2021-07-231-14/+12
| | | | | | | | | | | | | | | Py_TPFLAGS_HAVE_VERSION_TAG no-op (GH-27260) (GH-27306) * Remove code that checks Py_TPFLAGS_HAVE_VERSION_TAG The field is always present in the type struct, as explained in the added comment. * Remove Py_TPFLAGS_HAVE_AM_SEND The flag is not needed, and since it was added in 3.10 it can be removed now. (cherry picked from commit a4760cc32d9e5dac7be262e9736eb30502cd7be3) Co-authored-by: Petr Viktorin <encukou@gmail.com>
* [3.10] bpo-44654: Do not export the union type related symbols (GH-27223). ↵Serhiy Storchaka2021-07-181-3/+3
| | | | | | (GH-27225) (cherry picked from commit 8f50f44592190b5a8cb115f0d58d577036e68308)
* [3.10] bpo-44654: Refactor and clean up the union type implementation ↵Miss Islington (bot)2021-07-171-3/+4
| | | | | | (GH-27196) (GH-27219) (cherry picked from commit 0fd27375cabd12e68a2f12cfeca11a2d5043429e)
* [3.10] bpo-44490: Add __parameters__ and __getitem__ to types.Union ↵Serhiy Storchaka2021-07-171-0/+3
| | | | | | | | | | | (GH-26980) (GH-27207) Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com> Co-authored-by: Guido van Rossum <gvanrossum@gmail.com>. (cherry picked from commit c45fa1a5d9b419cf13ad4b5a7cb453956495b83e) Co-authored-by: Yurii Karabas <1998uriyyo@gmail.com> Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
* Post 3.10.0b4Pablo Galindo2021-07-101-1/+1
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* Python 3.10.0b4v3.10.0b4Pablo Galindo2021-07-101-2/+2
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* bpo-44458: Ensure BUFFER_BLOCK_SIZE symbol is statically allocated. ↵Miss Islington (bot)2021-06-221-1/+1
| | | | | | | | (GH-26808) (GH-26844) * bpo-44458: Ensure BUFFER_BLOCK_SIZE symbol is statically allocated. (cherry picked from commit 92c2e91580521ba5c85aa3205a0211df5b48689b) Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
* Post 3.10.0b3Pablo Galindo2021-06-171-1/+1
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* Python 3.10.0b3v3.10.0b3Pablo Galindo2021-06-171-2/+2
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* [3.10] Add more const modifiers. (GH-26691). (GH-26692)Serhiy Storchaka2021-06-121-3/+3
| | | | | (cherry picked from commit be8b631b7a587aa781245e14c8cca32970e1be5b) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-44378: Fix a compiler warning in Py_IS_TYPE() (GH-26644)Miss Islington (bot)2021-06-111-1/+3
| | | | | | | Py_IS_TYPE() no longer uses Py_TYPE() to avoid a compiler warning: no longer cast "const PyObject*" to "PyObject*". (cherry picked from commit 304dfec8d3c0763734ea8b5fa2af1d9e1ce69ffa) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-44363: Get test_capi passing with address sanitizer (GH-26639)Miss Islington (bot)2021-06-101-1/+10
| | | | | (cherry picked from commit 31aa0dbff4c1d39c9d77c6c8f4a61d0e46c1268b) Co-authored-by: Mark Shannon <mark@hotpy.org>
* Post 3.10.0b2Pablo Galindo2021-05-311-1/+1
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* Python 3.10.0b2v3.10.0b2Pablo Galindo2021-05-311-2/+2
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* bpo-43795: Remove Py_FrozenMain from the Limited API & Stable ABI ↵Miss Islington (bot)2021-05-252-3/+4
| | | | | | | | | | | | | | | | | | (GH-26241) (GH-26353) 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. (cherry picked from commit d16856960e33bc5f64fc5b842f132058becafa37) Co-authored-by: Petr Viktorin <encukou@gmail.com> Co-authored-by: Petr Viktorin <encukou@gmail.com>
* bpo-44201: Avoid side effects of "invalid_*" rules in the REPL (GH-26298) ↵Miss Islington (bot)2021-05-221-0/+1
| | | | | | | | | | | | | | | | | | (GH-26313) When the parser does a second pass to check for errors, these rules can have some small side-effects as they may advance the parser more than the point reached in the first pass. This can cause the tokenizer to ask for extra tokens in interactive mode causing the tokenizer to show the prompt instead of failing instantly. To avoid this, add a new mode to the tokenizer that is activated in the second pass and deactivates asking for new tokens when the interactive line is finished. As the parsing should have reached the last line in the first pass, the second pass should not need to ask for more tokens. (cherry picked from commit bd7476dae337e905e7b1bbf33ddb96cc270fdc84) Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* bpo-44184: Fix subtype_dealloc() for freed type (GH-26274) (GH-26290)Miss Islington (bot)2021-05-211-1/+1
| | | | | | | | | | | | | | Fix a crash at Python exit when a deallocator function removes the last strong reference to a heap type. Don't read type memory after calling basedealloc() since basedealloc() can deallocate the type and free its memory. _PyMem_IsPtrFreed() argument is now constant. (cherry picked from commit 615069eb08494d089bf24e43547fbc482ed699b8) Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-43795: PEP 652 user documentation (GH-25668) (GH-26034)Miss Islington (bot)2021-05-141-61/+5
| | | | | | | | | | | - Reformat the C API and ABI Versioning page (and extend/clarify a bit) - Rewrite the stable ABI docs into a general text on C API Compatibility - Add a list of Limited API contents, and notes for the individual items. - Replace `Include/README.rst` with a link to a devguide page with the same info (cherry picked from commit b05955d6f5f149523b5855a335444b7c6324bdb7) Co-authored-by: Petr Viktorin <encukou@gmail.com> Co-authored-by: Petr Viktorin <encukou@gmail.com>
* Post 3.10.0b1Pablo Galindo2021-05-031-1/+1
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* Python 3.10.0b1v3.10.0b1Pablo Galindo2021-05-031-3/+3
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* bpo-38530: Refactor and improve AttributeError suggestions (GH-25776)Dennis Sweeney2021-05-031-0/+2
| | | | | | | | | | | | | | | | | | | | - Make case-swaps half the cost of any other edit - Refactor Levenshtein code to not use memory allocator, and to bail early on no match. - Add comments to Levenshtein distance code - Add test cases for Levenshtein distance behind a debug macro - Set threshold to `(name_size + item_size + 3) * MOVE_COST / 6`. - Reasoning: similar to `difflib.SequenceMatcher.ratio()` >= 2/3: ``` "Multiset Jaccard similarity" >= 2/3 matching letters / total letters >= 2/3 (name_size - distance + item_size - distance) / (name_size + item_size) >= 2/3 1 - (2*distance) / (name_size + item_size) >= 2/3 1/3 >= (2*distance) / (name_size + item_size) (name_size + item_size) / 6 >= distance With rounding: (name_size + item_size + 3) // 6 >= distance ``` Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* bpo-43916: Move the _PyStructSequence_InitType function to the internal API ↵Pablo Galindo2021-05-032-4/+21
| | | | (GH-25854)
* bpo-42725: Render annotations effectless on symbol table with PEP 563 (GH-25583)Batuhan Taskaya2021-05-031-1/+1
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* bpo-43754: Eliminate bindings for partial pattern matches (GH-25229)Brandt Bucher2021-05-021-0/+1
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* bpo-43916: Export the _PyStructSequence_InitType to fix build errors in the ↵Pablo Galindo2021-05-011-3/+1
| | | | curses module (GH-25768)
* bpo-43667: Fix broken Unicode encoding in non-UTF locales on Solaris (GH-25096)Jakub Kulík2021-04-301-0/+12
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* bpo-43916: Add Py_TPFLAGS_DISALLOW_INSTANTIATION type flag (GH-25721)Victor Stinner2021-04-302-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new Py_TPFLAGS_DISALLOW_INSTANTIATION type flag to disallow creating type instances: set tp_new to NULL and don't create the "__new__" key in the type dictionary. The flag is set automatically on static types if tp_base is NULL or &PyBaseObject_Type and tp_new is NULL. Use the flag on the following types: * _curses.ncurses_version type * _curses_panel.panel * _tkinter.Tcl_Obj * _tkinter.tkapp * _tkinter.tktimertoken * _xxsubinterpretersmodule.ChannelID * sys.flags type * sys.getwindowsversion() type * sys.version_info type Update MyStr example in the C API documentation to use Py_TPFLAGS_DISALLOW_INSTANTIATION. Add _PyStructSequence_InitType() function to create a structseq type with the Py_TPFLAGS_DISALLOW_INSTANTIATION flag set. type_new() calls _PyType_CheckConsistency() at exit.
* bpo-43977: Use tp_flags for collection matching (GH-25723)Mark Shannon2021-04-302-4/+7
| | | | | | | | | | | | | * Add Py_TPFLAGS_SEQUENCE and Py_TPFLAGS_MAPPING, add to all relevant standard builtin classes. * Set relevant flags on collections.abc.Sequence and Mapping. * Use flags in MATCH_SEQUENCE and MATCH_MAPPING opcodes. * Inherit Py_TPFLAGS_SEQUENCE and Py_TPFLAGS_MAPPING. * Add NEWS * Remove interpreter-state map_abc and seq_abc fields.
* bpo-42800: Rename AUDIT_READ to PY_AUDIT_READ (GH-25736)Steve Dower2021-04-301-1/+1
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* bpo-42800: add audit hooks for f_code and tb_frame (GH-24182)Ryan Hileman2021-04-291-0/+1
| | | | | | | | | | Accessing the following attributes will now fire PEP 578 style audit hooks as ("object.__getattr__", obj, name): * PyTracebackObject: tb_frame * PyFrameObject: f_code * PyGenObject: gi_code, gi_frame * PyCoroObject: cr_code, cr_frame * PyAsyncGenObject: ag_code, ag_frame Add an AUDIT_READ attribute flag aliased to READ_RESTRICTED. Update obsolete flag documentation.
* bpo-42739: Don't use sentinels to mark end of line table. (GH-25657)Mark Shannon2021-04-291-3/+8
| | | | | * Add length parameter to PyLineTable_InitAddressRange and doen't use sentinel values at end of table. Makes the line number table more robust. * Update PyCodeAddressRange to match PEP 626.
* bpo-43774: Remove unused PYMALLOC_DEBUG macro (GH-25711)Victor Stinner2021-04-293-13/+4
| | | Enhance also the documentation of debug hooks on memory allocators.
* 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-43892: Make match patterns explicit in the AST (GH-25585)Nick Coghlan2021-04-293-20/+100
| | | Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
* bpo-43908: Add Py_TPFLAGS_IMMUTABLETYPE flag (GH-25520)Erlend Egeberg Aasland2021-04-281-0/+3
| | | | | | Introduce Py_TPFLAGS_IMMUTABLETYPE flag for immutable type objects, and modify PyType_Ready() to set it for static types. Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-28254: Add a C-API for controlling the GC state (GH-25687)scoder2021-04-281-1/+5
| | | | | | | | Add new C-API functions to control the state of the garbage collector: PyGC_Enable(), PyGC_Disable(), PyGC_IsEnabled(), corresponding to the functions in the gc module. Co-authored-by: Pablo Galindo <Pablogsal@gmail.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-43962: Fix _PyInterpreterState_IDIncref() (GH-25683)Victor Stinner2021-04-281-1/+1
| | | | _PyInterpreterState_IDIncref() now calls _PyInterpreterState_IDInitref() and always increments id_refcount.
* bpo-41486: Faster bz2/lzma/zlib via new output buffering (GH-21740)Ma Lin2021-04-281-0/+317
| | | | | | | | | Faster bz2/lzma/zlib via new output buffering. Also adds .readall() function to _compression.DecompressReader class to take best advantage of this in the consume-all-output at once scenario. Often a 5-20% speedup in common scenarios due to less data copying. Contributed by Ma Lin.
* bpo-42609: Check recursion depth in the AST validator and optimizer (GH-23744)Serhiy Storchaka2021-04-251-0/+3
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* bpo-30555: Fix WindowsConsoleIO fails in the presence of fd redirection ↵Segev Finer2021-04-231-1/+9
| | | | | | | | (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-43914: Highlight invalid ranges in SyntaxErrors (#25525)Pablo Galindo2021-04-232-0/+11
| | | | | | | | | | | | | | | | | To improve the user experience understanding what part of the error messages associated with SyntaxErrors is wrong, we can highlight the whole error range and not only place the caret at the first character. In this way: >>> foo(x, z for z in range(10), t, w) File "<stdin>", line 1 foo(x, z for z in range(10), t, w) ^ SyntaxError: Generator expression must be parenthesized becomes >>> foo(x, z for z in range(10), t, w) File "<stdin>", line 1 foo(x, z for z in range(10), t, w) ^^^^^^^^^^^^^^^^^^^^ SyntaxError: Generator expression must be parenthesized
* bpo-43868: Remove PyOS_ReadlineFunctionPointer from the stable ABI list ↵Petr Viktorin2021-04-232-1/+1
| | | | | | | | | | | (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: PEP-652: Clean up the stable ABI/limited API (GH-25482)Petr Viktorin2021-04-235-8/+4
| | | | | | | | | | | | | | | | | | - `_Py_EncodeLocaleRaw`, which is private by name, undocumented, and wasn't exported in `python3.dll`, is moved to a private header. - `_Py_HashSecret_Initialized`, again private by name, undocumented, and not exported in `python3.dll`, is excluded with `Py_LIMITED_API`. - `PyMarshal_*` and `PyMember_*One` functions, declared in private headers and not exported in `python3.dll`, are removed from `Doc/data/stable_abi.dat`. - `PyMem_Calloc` which *was* exported in `python3dll.c`, is moved to public headers where it joins its other `PyMem_*` friends. Only the last change is documented in the blurb; others are not user-visible. (Nothing uses `Doc/data/stable_abi.dat` yet.) https://bugs.python.org/issue43795
* bpo-43795: PEP-652: Simplify headers for easier static analysis (GH-25483)Petr Viktorin2021-04-232-1/+4
| | | | | | | | | | | | | | | | | | | | As part of the PEP-652 implementation, I'll tighten the CI check for functions/data defined with `Py_LIMITED_API`. Discussion in https://discuss.python.org/t/pep-652-maintaining-the-stable-abi/6986 suggests that parsing C headers is OK (though personally I'd rather generate it...), but writing a full C parser is a monumental task and adding an existing one as a dependency brings too many vendoring/bootstraping issues. So, for the check I'll use a "simple" regex on preprocessor output, and adapt the few trivial places where the regex won't work. - Keep declarations in the limited API to one item per line - Make it possible to override `_Py_NO_RETURN`, so the annotation can be removed from preprocessor output. https://bugs.python.org/issue43795
* bpo-43475: Fix worst case collision behavior for NaN instances (GH-25493)Raymond Hettinger2021-04-221-2/+1
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* bpo-40137: Add pycore_moduleobject.h internal header (GH-25507)Victor Stinner2021-04-211-0/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add pycore_moduleobject.h internal header file with static inline functions to access module members: * _PyModule_GetDict() * _PyModule_GetDef() * _PyModule_GetState() These functions don't check at runtime if their argument has a valid type and can be inlined even if Python is not built with LTO. _PyType_GetModuleByDef() uses _PyModule_GetDef(). Replace PyModule_GetState() with _PyModule_GetState() in the extension modules, considered as performance sensitive: * _abc * _functools * _operator * _pickle * _queue * _random * _sre * _struct * _thread * _winapi * array * posix The following extensions are now built with the Py_BUILD_CORE_MODULE macro defined, to be able to use the internal pycore_moduleobject.h header: _abc, array, _operator, _queue, _sre, _struct.
* bpo-43822: Improve syntax errors for missing commas (GH-25377)Pablo Galindo2021-04-151-2/+3
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