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* bpo-45061: Enhance faulthandler traceback wit no Python frame (GH-28090)Miss Islington (bot)2021-08-311-1/+1
| | | | | | | | | | | Fix indentation of <no Python frame> message in a faulthandler traceback or a Fatal Python error traceback. Example: Current thread 0x00007f03896fb740 (most recent call first): Garbage-collecting <no Python frame> (cherry picked from commit 888d4cc06b887e77f281ba4d640e281cb4c61b7b) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-44449: faulthandler don't modify frame refcnt (GH-27850)Victor Stinner2021-08-301-5/+5
| | | | Fix a crash in the signal handler of the faulthandler module: no longer modify the reference count of frame objects.
* bpo-45000: Raise SyntaxError when try to delete __debug__ (GH-27947) (GH-27957)Dong-hee Na2021-08-261-0/+4
| | | (cherry picked from commit 551da597a0996b0fb3af425f48aa5bc63ea6b963)
* bpo-25782: avoid hang in PyErr_SetObject when current exception has a cycle ↵Miss Islington (bot)2021-08-101-1/+15
| | | | | | | | in its context chain (GH-27626) Co-authored-by: Dennis Sweeney 36520290+sweeneyde@users.noreply.github.com (cherry picked from commit d5c217475c4957a8084ac3f92ae012ece5edc7cb) Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
* Remove unused variable. (GH-27677) (#27680)Mark Shannon2021-08-091-3/+0
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* bpo-44840: Compiler: Move duplication of exit blocks with no line numbers to ↵Mark Shannon2021-08-094-3803/+3814
| | | | | after CFG optimization. (GH-27656) (#27673) (cherry picked from commit b854557b49083d8625a433eb36aacb0c87d67c52)
* bpo-44856: Possible reference leak in error paths of update_bases() and ↵Miss Islington (bot)2021-08-071-22/+13
| | | | | | | __build_class__ (GH-27647) (cherry picked from commit a40675c659cd8c0699f85ee9ac31660f93f8c2f5) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* bpo-44849: Fix os.set_inheritable() on FreeBSD 14 with O_PATH (GH-27623)Miss Islington (bot)2021-08-061-3/+4
| | | | | | | | Fix the os.set_inheritable() function on FreeBSD 14 for file descriptor opened with the O_PATH flag: ignore the EBADF error on ioctl(), fallback on the fcntl() implementation. (cherry picked from commit c24896c0e3b32c8a9f614ef51366007b67d5c665) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-44584: Deprecate PYTHONTHREADDEBUG env var (GH-27065)Miss Islington (bot)2021-08-062-0/+24
| | | | | | | | The threading debug (PYTHONTHREADDEBUG environment variable) is deprecated in Python 3.10 and will be removed in Python 3.12. This feature requires a debug build of Python. (cherry picked from commit 4d77691172aae81bdcbb0ea75839d0e896c43781) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-39091: Fix segfault when Exception constructor returns non-exception for ↵Miss Islington (bot)2021-08-031-4/+16
| | | | | | | | gen.throw. (GH-17658) (GH-27572) Co-authored-by: Benjamin Peterson <benjamin@python.org> (cherry picked from commit 83ca46b7784b7357d82ec47b33295e09ed7380cb) Co-authored-by: Noah <33094578+coolreader18@users.noreply.github.com>
* bpo-32280: Store _PyRuntime in a named section (GH-4802) (#27448)Miss Islington (bot)2021-07-291-2/+28
| | | | | | | | | | This commit stores the _PyRuntime structure in a section of the same name. This allows a debugging or crash reporting tool to quickly locate this structure at runtime without requiring the symbol table. Co-authored-by: Pablo Galindo <pablogsal@gmail.com> (cherry picked from commit 35002aa8f62dda1f79035e9904abdf476683e9be) Co-authored-by: Max Bélanger <aeromax@gmail.com> Co-authored-by: Max Bélanger <aeromax@gmail.com>
* [3.10] bpo-43897: Reject "_" captures and top-level MatchStar in the AST ↵Miss Islington (bot)2021-07-291-20/+28
| | | | | | | | | | validator (GH-27432) (GH-27435) (cherry picked from commit 8d0647485db5af2a0f0929d6509479ca45f1281b) Co-authored-by: Brandt Bucher <brandt@python.org> Automerge-Triggered-By: GH:brandtbucher
* bpo-44740: Lowercase "internet" and "web" where appropriate. (GH-27378) ↵Miss Islington (bot)2021-07-261-1/+1
| | | | | | | | (GH-27380) Co-authored-by: Łukasz Langa <lukasz@langa.pl> (cherry picked from commit 11749e2dc20ad6a76e9a39e948853e89b2b4bbed) Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
* [3.10] bpo-44600: Fix line numbers for pattern matching cleanup code ↵Miss Islington (bot)2021-07-261-4/+12
| | | | | | | | | | (GH-27346) (GH-27356) (cherry picked from commit 4214f470f0cb9b6fef9a90758756fbc00ba95b5a) Co-authored-by: Charles Burkland <charles.aburkland@gmail.com> Automerge-Triggered-By: GH:brandtbucher
* bpo-44645: Check for interrupts on any potentially backwards edge (GH-27216) ↵Miss Islington (bot)2021-07-191-1/+6
| | | | | | | (GH-27235) (cherry picked from commit d09c13417890427f829e3df297beb0e27133f8f4) Co-authored-by: Mark Shannon <mark@hotpy.org>
* bpo-44655: Include the name of the type in unset __slots__ attribute errors ↵Miss Islington (bot)2021-07-171-4/+9
| | | | | | | | | (GH-27199) (GH-27201) (cherry picked from commit f783428a2313a729ca8b539c5a86ff114b9ff375) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com> Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* bpo-44655: Don't include suggestions for attributes that are the same as the ↵Miss Islington (bot)2021-07-161-0/+3
| | | | | | | missing one (GH-27197) (GH-27198) (cherry picked from commit 6714dec5e104bdee4a0ed4d9966de27d1bfa1e3d) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* Revert "bpo-44645: Check for interrupts on any potentially backwards edge. ↵Miss Islington (bot)2021-07-161-6/+1
| | | | | | | | (GH-27167)" (GH-27194) (#27195) This reverts commit 000e70ad5246732fcbd27cf59268185cbd5ad734. (cherry picked from commit c90c591e5158ab7b531dcd6e2a5f00bc70ba7637) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* bpo-44626: Merge basic blocks earlier to enable better handling of exit ↵Mark Shannon2021-07-163-3819/+3856
| | | | | blocks without line numbers (GH-27138) (GH-27182) (cherry picked from commit a86f7dae0acf918d54086cb85e5a0b0bedeedce7)
* [3.10] bpo-44645: Check for interrupts on any potentially backwards edge. ↵Mark Shannon2021-07-161-1/+6
| | | | | | | (GH-27167) (GH-27183) (cherry picked from commit 000e70ad5246732fcbd27cf59268185cbd5ad734) Co-authored-by: Mark Shannon <mark@hotpy.org>
* bpo-44622: Set line number of END_ASYNC_FOR to match that of iterator. ↵Mark Shannon2021-07-151-1/+3
| | | | | (GH-27160) (GH-27163) (cherry picked from commit f333ab0f2edec26a769ed558263ac662e5475451)
* [3.10] bpo-44589: raise a SyntaxError when mapping patterns have duplicate ↵Miss Islington (bot)2021-07-151-4/+41
| | | | | | | | | | literal keys (GH-27131) (GH-27157) (cherry picked from commit 2693132292b2acf381ac6fa729bf3acf41d9d72b) Co-authored-by: Jack DeVries <58614260+jdevries3133@users.noreply.github.com> Automerge-Triggered-By: GH:brandtbucher
* bpo-44616: Mark all clean up instructions at end of named exception block as ↵Mark Shannon2021-07-141-3/+2
| | | | | artificial (GH-27109) (GH-27135) (cherry picked from commit e5862f79c16e28f1ec51d179698739a9b2d8c1d2)
* bpo-44472: Fix ltrace functionality when exceptions are raised (GH-26822) ↵Miss Islington (bot)2021-07-131-0/+3
| | | | | | | | | (GH-26830) (cherry picked from commit 06cda808f149fae9b4c688f752b6eccd0d455ba4) Co-authored-by: Pablo Galindo <Pablogsal@gmail.com> Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* [3.10] bpo-43897: ast validation for pattern matching nodes (GH-27074)Batuhan Taskaya2021-07-101-31/+123
| | | | | (cherry picked from commit 8dcb7d98086888230db94a1eb07bae1b5db82bc9) Co-authored-by: Batuhan Taskaya <batuhan@python.org>
* bpo-44570: Fix line tracing for forward jumps to duplicated tails (GH-27067)Mark Shannon2021-07-081-19/+13
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* bpo-41180: Replace marshal code.__new__ audit event with marshal.load[s] and ↵Steve Dower2021-06-301-10/+20
| | | | marshal.dumps (GH-26970)
* bpo-44441: _PyImport_Fini2() resets PyImport_Inittab (GH-26874) (GH-26877)Victor Stinner2021-06-231-0/+3
| | | | | | | Py_RunMain() now resets PyImport_Inittab to its initial value at exit. It must be possible to call PyImport_AppendInittab() or PyImport_ExtendInittab() at each Python initialization. (cherry picked from commit 489699ca05bed5cfd10e847d8580840812b476cd)
* bpo-44466: Faulthandler now detects the GC (GH-26823) (GH-26826)Victor Stinner2021-06-211-0/+4
| | | | | | The faulthandler module now detects if a fatal error occurs during a garbage collector collection (only if all_threads is true). (cherry picked from commit d19163912bfc790283724f05328bd31e4e65003d)
* bpo-44297: Fix missing line number in generator expressions (GH-26821)Mark Shannon2021-06-212-958/+959
| | | | | * Make sure that line number is set when entering comprehension scope in compiler. (cherry picked from commit 82e5c28af7049c4f5343c808f172cbe2e145f49b)
* bpo-41299: Reduce lag in Windows threading timeouts by using a higher ↵Miss Islington (bot)2021-06-201-4/+10
| | | | | | | | | precision time source (GH-26568) (GH-26580) (cherry picked from commit 449e6f0ef395231e3abe467f910b02d7f075c27f) Co-authored-by: Ryan Hileman <lunixbochs@gmail.com> Co-authored-by: Ryan Hileman <lunixbochs@gmail.com>
* bpo-11105: Do not crash when compiling recursive ASTs (GH-20594)Miss Islington (bot)2021-06-031-0/+808
| | | | | | | | | | When compiling an AST object with a direct / indirect reference cycles, on the conversion phase because of exceeding amount of calls, a segfault was raised. This patch adds recursion guards to places for preventing user inputs to not to crash AST but instead raise a RecursionError. (cherry picked from commit f3491242e41933aa9529add7102edb68b80a25e9) Co-authored-by: Batuhan Taskaya <batuhan@python.org>
* [3.10] bpo-44298: Backport #26513 to 3.10 (#26516)Mark Shannon2021-06-033-2853/+2862
| | | | | * Backport 937cebc93 to 3.10 * Update importlib
* bpo-28146: Fix a confusing error message in str.format() (GH-24213)Miss Islington (bot)2021-05-131-2/+8
| | | | | | Automerge-Triggered-By: GH:pitrou (cherry picked from commit 4aeee0b47b3a2b604bbac37040320ffc88c291f2) Co-authored-by: Irit Katriel <iritkatriel@yahoo.com>
* [3.10] bpo-43933: Force RETURN_VALUE bytecodes to have line numbers (GH-26061)Mark Shannon2021-05-131-0/+29
| | | * Guarantee that line number is set for returns.
* bpo-44063: set the missing end locations on the compiler (GH-25956) (#25972)Miss Islington (bot)2021-05-071-5/+13
| | | | | (cherry picked from commit b2ec37a7224318d466e0877790ed740ce8b4867d) Co-authored-by: Batuhan Taskaya <isidentical@gmail.com>
* bpo-40943: Fix skipitem() didn't raise SystemError (GH-25937)Miss Islington (bot)2021-05-071-8/+5
| | | | | | | `convertitem()` raises `SystemError` when 'GH-' is used without `PY_SSIZE_T_CLEAN`. This commit makes `skipitem()` raise it too. (cherry picked from commit 4ebf4a6bfad4afcbab3baf9c0159c7767e2a64c0) Co-authored-by: Inada Naoki <songofacandy@gmail.com>
* Correct location for syntax error in try-except (GH-25939)Mark Shannon2021-05-061-1/+1
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* bpo-38530: Refactor and improve AttributeError suggestions (GH-25776)Dennis Sweeney2021-05-031-59/+130
| | | | | | | | | | | | | | | | | | | | - 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-43754: Fix compiler warning in Python/compile.c (GH-25855)Pablo Galindo2021-05-031-1/+1
| | | | | This fixes the following warning: 'initializing': conversion from 'Py_ssize_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]
* bpo-43916: Move the _PyStructSequence_InitType function to the internal API ↵Pablo Galindo2021-05-031-0/+1
| | | | (GH-25854)
* bpo-42725: Render annotations effectless on symbol table with PEP 563 (GH-25583)Batuhan Taskaya2021-05-031-10/+91
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* bpo-43754: Eliminate bindings for partial pattern matches (GH-25229)Brandt Bucher2021-05-024-340/+483
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* bpo-43933: Set frame.f_lineno during call to __exit__ (GH-25719)Mark Shannon2021-04-304-2950/+2956
| | | * Set line number of __exit__ call in a with statement to be that of the with keyword.
* bpo-43667: Fix broken Unicode encoding in non-UTF locales on Solaris (GH-25096)Jakub Kulík2021-04-301-0/+106
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* bpo-43916: PyStdPrinter_Type uses Py_TPFLAGS_DISALLOW_INSTANTIATION (GH-25749)Victor Stinner2021-04-301-1/+1
| | | | | | | The PyStdPrinter_Type type now uses the Py_TPFLAGS_DISALLOW_INSTANTIATION flag to disallow instantiation, rather than seting a tp_init method which always fail. Write also unit tests for PyStdPrinter_Type.
* bpo-43916: Add Py_TPFLAGS_DISALLOW_INSTANTIATION type flag (GH-25721)Victor Stinner2021-04-301-30/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Shannon2021-04-302-66/+8
| | | | | | | | | | | | | * 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-43892: Validate the first term of complex literal value patterns (GH-25735)Brandt Bucher2021-04-302-38/+20
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* bpo-42800: Rename AUDIT_READ to PY_AUDIT_READ (GH-25736)Steve Dower2021-04-301-1/+1
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