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* bpo-46417: Use _PyType_CAST() in Python directory (GH-30769)Victor Stinner2022-01-212-4/+3
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* bpo-46417: Py_Finalize() clears static types (GH-30743)Victor Stinner2022-01-211-0/+1
| | | | | | | Add _PyTypes_FiniTypes() best-effort function to clear static types: don't deallocate a type if it still has subclasses. remove_subclass() now sets tp_subclasses to NULL when removing the last subclass.
* bpo-46417: Call _PyDebug_PrintTotalRefs() later (GH-30744)Victor Stinner2022-01-211-6/+6
| | | | | | | | "python -X showrefcount" now shows the total reference count after clearing and destroyed the main Python interpreter. Previously, it was shown before. Py_FinalizeEx() now calls _PyDebug_PrintTotalRefs() after finalize_interp_delete().
* bpo-46417: _curses uses PyStructSequence_NewType() (GH-30736)Victor Stinner2022-01-213-2/+4
| | | | | | | | The _curses module now creates its ncurses_version type as a heap type using PyStructSequence_NewType(), rather than using a static type. * Move _PyStructSequence_FiniType() definition to pycore_structseq.h. * test.pythoninfo: log curses.ncurses_version.
* bpo-46417: Finalize structseq types at exit (GH-30645)Victor Stinner2022-01-214-0/+43
| | | | | | | | | | | | | | | | | | Add _PyStructSequence_FiniType() and _PyStaticType_Dealloc() functions to finalize a structseq static type in Py_Finalize(). Currrently, these functions do nothing if Python is built in release mode. Clear static types: * AsyncGenHooksType: sys.set_asyncgen_hooks() * FlagsType: sys.flags * FloatInfoType: sys.float_info * Hash_InfoType: sys.hash_info * Int_InfoType: sys.int_info * ThreadInfoType: sys.thread_info * UnraisableHookArgsType: sys.unraisablehook * VersionInfoType: sys.version * WindowsVersionType: sys.getwindowsversion()
* bpo-46409: Make generators in bytecode (GH-30633)Mark Shannon2022-01-205-151/+139
| | | | | | | | | | | | * Add RETURN_GENERATOR and JUMP_NO_INTERRUPT opcodes. * Trim frame and generator by word each. * Minor refactor of frame.c * Update test.test_sys to account for smaller frames. * Treat generator functions as normal functions when evaluating and specializing.
* bpo-44024: Improve the TypeError message in getattr and hasattr (GH-25863)Géry Ogam2022-01-181-10/+0
| | | | | | Use common error message for non-string attribute name in the builtin functions getattr and hasattr. The special check no longer needed since Python 3.0.
* bpo-46161: Fix bug in starunpack_helper in compile.c (GH-30235)zq19972022-01-171-1/+4
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* bpo-46405: fix msvc compiler warnings (GH-30627)Kumar Aditya2022-01-171-1/+1
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* bpo-45953: Statically initialize all the non-object PyInterpreterState ↵Eric Snow2022-01-142-11/+0
| | | | | fields we can. (gh-30589) https://bugs.python.org/issue45953
* bpo-45953: Statically initialize all the PyThreadState fields we can. (gh-30590)Eric Snow2022-01-142-11/+5
| | | https://bugs.python.org/issue45953
* bpo-46362: Ensure ntpath.abspath() uses the Windows API correctly (GH-30571)neonene2022-01-131-36/+1
| | | This makes ntpath.abspath()/getpath_abspath() follow normpath(), since some WinAPIs such as PathCchSkipRoot() require backslashed paths.
* Statically initialize _PyRuntimeState fields. (gh-30588)Eric Snow2022-01-131-10/+0
| | | https://bugs.python.org/issue45953
* bpo-46370: Move the static initializer for _PyRuntime to its own header ↵Eric Snow2022-01-132-0/+2
| | | | | file. (gh-30587) https://bugs.python.org/issue46370
* bpo-46328: Add sys.exception() (GH-30514)Irit Katriel2022-01-132-2/+48
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* bpo-46344: Fix trace bug in else of try and try-star blocks (GH-30544)Irit Katriel2022-01-131-2/+0
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* bpo-46315: Add ifdef HAVE_ feature checks for WASI compatibility (GH-30507)Christian Heimes2022-01-131-1/+4
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* bpo-45953: Statically allocate the main interpreter (and initial thread ↵Eric Snow2022-01-122-17/+34
| | | | | | | | | state). (gh-29883) Previously, the main interpreter was allocated on the heap during runtime initialization. Here we instead embed it into _PyRuntimeState, which means it is statically allocated as part of the _PyRuntime global. The same goes for the initial thread state (of each interpreter, including the main one). Consequently there are fewer allocations during runtime/interpreter init, fewer possible failures, and better memory locality. FYI, this also helps efforts to consolidate globals, which in turns helps work on subinterpreter isolation. https://bugs.python.org/issue45953
* bpo-46347: Yet another fix in the erorr path of PyEval_EvalCodeEx (#30554)Yury Selivanov2022-01-121-1/+0
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* bpo-46347: Fix PyEval_EvalCodeEx to correctly cleanup in error paths (#30551)Yury Selivanov2022-01-111-13/+9
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* bpo-46347: Fix memory leak in PyEval_EvalCodeEx. (#30546)Yury Selivanov2022-01-111-7/+0
| | | First introduced in 0332e569c12d3dc97171546c6dc10e42c27de34b
* bpo-45953: Statically allocate and initialize global bytes objects. (gh-30096)Eric Snow2022-01-111-6/+0
| | | | | The empty bytes object (b'') and the 256 one-character bytes objects were allocated at runtime init. Now we statically allocate and initialize them. https://bugs.python.org/issue45953
* bpo-46331: Do not set line number of instruction storing doc-string. (GH-30518)Mark Shannon2022-01-111-0/+1
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* bpo-46303: Move fileutils.h private functions to internal C API (GH-30484)Victor Stinner2022-01-111-0/+2
| | | | | | | | | | Move almost all private functions of Include/cpython/fileutils.h to the internal C API Include/internal/pycore_fileutils.h. Only keep _Py_fopen_obj() in Include/cpython/fileutils.h, since it's used by _testcapi which must not use the internal C API. Move EncodeLocaleEx() and DecodeLocaleEx() functions from _testcapi to _testinternalcapi, since the C API moved to the internal C API.
* bpo-46314: Remove extra RESUME when compiling a lamdba. (GH-30513)Mark Shannon2022-01-101-144/+142
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* bpo-46217: Revert use of Windows constant that is newer than what we support ↵Steve Dower2022-01-081-1/+1
| | | | (GH-30473)
* bpo-46289: Make conversion of FormattedValue not optional on ASDL (GH-30467)Batuhan Taskaya2022-01-071-8/+5
| | | Automerge-Triggered-By: GH:isidentical
* bpo-46286: use the new POP_JUMP_IF_NOT_NONE opcode to simplify except* ↵Irit Katriel2022-01-061-6/+2
| | | | | (GH-30439) Automerge-Triggered-By: GH:iritkatriel
* bpo-46208: Fix normalization of relative paths in ↵neonene2022-01-061-9/+16
| | | | _Py_normpath()/os.path.normpath (GH-30362)
* bpo-45923: Handle call events in bytecode (GH-30364)Mark Shannon2022-01-063-72/+117
| | | | * Add a RESUME instruction to handle "call" events.
* bpo-46031: add POP_JUMP_IF_NOT_NONE and POP_JUMP_IF_NONE (GH-30019)penguin_wwy2022-01-063-6/+57
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* bpo-45256: Don't track the exact depth of each `InterpreterFrame` (GH-30372)Brandt Bucher2022-01-051-8/+5
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* bpo-46009: Remove GEN_START (GH-30367)Brandt Bucher2022-01-043-29/+8
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* bpo-45609: More specialization stats for STORE_SUBSCR (GH-30193)Dennis Sweeney2022-01-041-3/+68
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* bpo-46202: Remove opcode POP_EXCEPT_AND_RERAISE (GH-30302)Irit Katriel2022-01-043-46/+36
| | | | | | * bpo-46202: remove opcode POP_EXCEPT_AND_RERAISE * do not assume that an exception group is truthy
* bpo-46219, 46221: simplify except* implementation following exc_info ↵Irit Katriel2022-01-022-141/+17
| | | | changes. Move helpers to exceptions.c. Do not assume that exception groups are truthy. (GH-30289)
* Update copyright year to 2022. (GH-30335)Benjamin Peterson2022-01-021-1/+1
| | | Automerge-Triggered-By: GH:benjaminp
* bpo-46090: Allow PyThreadState.datastack_* members to be NULL (GH-30234)Brandt Bucher2021-12-281-21/+17
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* bpo-46072: Add top level stats struct (GH-30169)Mark Shannon2021-12-172-70/+59
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* bpo-45711: Remove type and traceback from exc_info (GH-30122)Irit Katriel2021-12-174-269/+119
| | | | | | | | * Do not PUSH/POP traceback or type to the stack as part of exc_info * Remove exc_traceback and exc_type from _PyErr_StackItem * Add to what's new, because this change breaks things like Cython
* bpo-45635: Do not suppress errors in functions called from _PyErr_Display ↵Irit Katriel2021-12-161-113/+157
| | | | | | (GH-30073) Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
* Better randomization of stats filenames. (GH-30145)Mark Shannon2021-12-161-2/+14
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* bpo-45829: Check `__getitem__`'s version for overflow before specializing ↵Brandt Bucher2021-12-161-1/+1
| | | | | | | (GH-30129) * Check __getitem__'s version for overflow. * Use SPEC_FAIL_OUT_OF_VERSIONS instead
* bpo-46072: Add --with-pystats configure option to simplify gathering of VM ↵Mark Shannon2021-12-152-27/+24
| | | | | | | | | stats (GH-30116) * Simplify specialization stats collection macros. * Add --enable-pystats option to configure. * Update specialization summary script to handle larger number of kinds
* bpo-44525: Specialize for calls to type and other builtin classes with 1 ↵Mark Shannon2021-12-153-16/+74
| | | | argument. (GH-29942)
* bpo-46039: Split yield from in two (GH-30035)Mark Shannon2021-12-153-30/+54
| | | | | | * Split YIELD_FROM opcode into SEND and JUMP_ABSOLUTE. * Remove YIELD_FROM opcode.
* bpo-44525: Split calls into PRECALL and CALL (GH-30011)Mark Shannon2021-12-144-120/+280
| | | | | | | | | | * Add 3 new opcodes for calls: PRECALL_METHOD, CALL_NO_KW, CALL_KW. * Update specialization to handle new CALL opcodes. * Specialize call to method descriptors. * Remove old CALL opcodes: CALL_FUNCTION, CALL_METHOD, CALL_METHOD_KW, CALL_FUNCTION_KW.
* bpo-45292: [PEP-654] add except* (GH-29581)Irit Katriel2021-12-147-12/+954
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* bpo-45919: Remove out of date comment (GH-30090)Dong-hee Na2021-12-141-2/+4
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* bpo-45953: Statically initialize the small ints. (gh-30092)Eric Snow2021-12-141-2/+0
| | | | | | | The array of small PyLong objects has been statically declared. Here I also statically initialize them. Consequently they are no longer initialized dynamically during runtime init. I've also moved them under a new sub-struct in _PyRuntimeState, in preparation for static allocation and initialization of other global objects. https://bugs.python.org/issue45953
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