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* gh-106922: Fix error location for constructs with spaces and parentheses ↵Pablo Galindo Salgado2023-09-081-0/+17
| | | | (#108959)
* gh-108765: Cleanup #include in Python/*.c files (#108977)Victor Stinner2023-09-061-2/+2
| | | Mention one symbol imported by each #include.
* gh-106320: Remove private _PySys functions (#108452)Victor Stinner2023-08-241-0/+1
| | | | | | | | | | Move private functions to the internal C API (pycore_sysmodule.h): * _PySys_GetAttr() * _PySys_GetSizeOf() No longer export most of these functions. Fix also a typo in Include/cpython/optimizer.h: add a missing space.
* Ignore _Py_write_noraise() result: cast to (void) (#108291)Victor Stinner2023-08-221-5/+5
| | | | Code using _Py_write_noraise() usually cannot report. Ignore errors is the least surprising behavior for users.
* GH-108035: Remove the `_PyCFrame` struct as it is no longer needed for ↵Mark Shannon2023-08-171-1/+1
| | | | performance. (GH-108036)
* gh-106869: Use new PyMemberDef constant names (#106871)Victor Stinner2023-07-251-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Remove '#include "structmember.h"'. * If needed, add <stddef.h> to get offsetof() function. * Update Parser/asdl_c.py to regenerate Python/Python-ast.c. * Replace: * T_SHORT => Py_T_SHORT * T_INT => Py_T_INT * T_LONG => Py_T_LONG * T_FLOAT => Py_T_FLOAT * T_DOUBLE => Py_T_DOUBLE * T_STRING => Py_T_STRING * T_OBJECT => _Py_T_OBJECT * T_CHAR => Py_T_CHAR * T_BYTE => Py_T_BYTE * T_UBYTE => Py_T_UBYTE * T_USHORT => Py_T_USHORT * T_UINT => Py_T_UINT * T_ULONG => Py_T_ULONG * T_STRING_INPLACE => Py_T_STRING_INPLACE * T_BOOL => Py_T_BOOL * T_OBJECT_EX => Py_T_OBJECT_EX * T_LONGLONG => Py_T_LONGLONG * T_ULONGLONG => Py_T_ULONGLONG * T_PYSSIZET => Py_T_PYSSIZET * T_NONE => _Py_T_NONE * READONLY => Py_READONLY * PY_AUDIT_READ => Py_AUDIT_READ * READ_RESTRICTED => Py_AUDIT_READ * PY_WRITE_RESTRICTED => _Py_WRITE_RESTRICTED * RESTRICTED => (READ_RESTRICTED | _Py_WRITE_RESTRICTED)
* GH-100987: Allow objects other than code objects as the "executable" of an ↵Mark Shannon2023-06-141-2/+2
| | | | | | | | | | internal frame. (GH-105727) * Add table describing possible executable classes for out-of-process debuggers. * Remove shim code object creation code as it is no longer needed. * Make lltrace a bit more robust w.r.t. non-standard frames.
* gh-105148: make _PyASTOptimizeState internal to ast_opt.c (#105149)Irit Katriel2023-05-311-5/+1
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* GH-96803: Add three C-API functions to make _PyInterpreterFrame less opaque ↵Mark Shannon2023-05-051-1/+1
| | | | for users of PEP 523. (GH-96849)
* gh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives ↵Irit Katriel2023-03-161-9/+10
| | | | (#102760)
* GH-101578: Normalize the current exception (GH-101607)Mark Shannon2023-02-081-4/+5
| | | | | | | | | | * Make sure that the current exception is always normalized. * Remove redundant type and traceback fields for the current exception. * Add new API functions: PyErr_GetRaisedException, PyErr_SetRaisedException * Add new API functions: PyException_GetArgs, PyException_SetArgs
* gh-99537: Use Py_SETREF() function in C code (#99657)Victor Stinner2022-11-221-5/+2
| | | | | | | | | | | | | | | Fix potential race condition in code patterns: * Replace "Py_DECREF(var); var = new;" with "Py_SETREF(var, new);" * Replace "Py_XDECREF(var); var = new;" with "Py_XSETREF(var, new);" * Replace "Py_CLEAR(var); var = new;" with "Py_XSETREF(var, new);" Other changes: * Replace "old = var; var = new; Py_DECREF(var)" with "Py_SETREF(var, new);" * Replace "old = var; var = new; Py_XDECREF(var)" with "Py_XSETREF(var, new);" * And remove the "old" variable.
* gh-99103: Normalize specialized traceback anchors against the current line ↵Batuhan Taskaya2022-11-121-2/+7
| | | | | (GH-99145) Automerge-Triggered-By: GH:isidentical
* GH-96421: Insert shim frame on entry to interpreter (GH-96319)Mark Shannon2022-11-101-0/+9
| | | | | | * Adds EXIT_INTERPRETER instruction to exit PyEval_EvalDefault() * Simplifies RETURN_VALUE, YIELD_VALUE and RETURN_GENERATOR instructions as they no longer need to check for entry frames.
* gh-99300: Use Py_NewRef() in Python/ directory (#99317)Victor Stinner2022-11-101-10/+5
| | | | | | Replace Py_INCREF() and Py_XINCREF() with Py_NewRef() and Py_XNewRef() in C files of the Python/ directory. Update Parser/asdl_c.py to regenerate Python/Python-ast.c.
* gh-93883: elide traceback indicators when possible (#93994)John Belmonte2022-07-111-4/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * gh-93883: elide traceback indicators when possible Elide traceback column indicators when the entire line of the frame is implicated. This reduces traceback length and draws even more attention to the remaining (very relevant) indicators. Example: ``` Traceback (most recent call last): File "query.py", line 99, in <module> bar() File "query.py", line 66, in bar foo() File "query.py", line 37, in foo magic_arithmetic('foo') File "query.py", line 18, in magic_arithmetic return add_counts(x) / 25 ^^^^^^^^^^^^^ File "query.py", line 24, in add_counts return 25 + query_user(user1) + query_user(user2) ^^^^^^^^^^^^^^^^^ File "query.py", line 32, in query_user return 1 + query_count(db, response['a']['b']['c']['user'], retry=True) ~~~~~~~~~~~~~~~~~~^^^^^ TypeError: 'NoneType' object is not subscriptable ``` Rather than going out of our way to provide indicator coverage in every traceback test suite, the indicator test suite should be responible for sufficient coverage (e.g. by adding a basic exception group test to ensure that margin strings are covered).
* gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938)Victor Stinner2022-06-191-1/+2
| | | | | | | | | | | | | | | | Move the follow functions and type from frameobject.h to pyframe.h, so the standard <Python.h> provide frame getter functions: * PyFrame_Check() * PyFrame_GetBack() * PyFrame_GetBuiltins() * PyFrame_GetGenerator() * PyFrame_GetGlobals() * PyFrame_GetLasti() * PyFrame_GetLocals() * PyFrame_Type Remove #include "frameobject.h" from many C files. It's no longer needed.
* gh-92536: PEP 623: Remove wstr and legacy APIs from Unicode (GH-92537)Inada Naoki2022-05-121-12/+2
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* bpo-47177: Replace `f_lasti` with `prev_instr` (GH-32208)Brandt Bucher2022-04-071-3/+3
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* bpo-35134: Remove the Include/code.h header file (GH-32385)Victor Stinner2022-04-071-1/+0
| | | | | | Remove the Include/code.h header file. C extensions should only include the main <Python.h> header file. Python.h includes directly Include/cpython/code.h instead.
* bpo-47164: Add _PyCFunction_CAST() macro (GH-32192)Victor Stinner2022-03-311-1/+1
| | | Use the macro in C files of the Python/ directory.
* bpo-47164: Add _PyASCIIObject_CAST() macro (GH-32191)Victor Stinner2022-03-311-6/+6
| | | | | | | | | | | | Add macros to cast objects to PyASCIIObject*, PyCompactUnicodeObject* and PyUnicodeObject*: _PyASCIIObject_CAST(), _PyCompactUnicodeObject_CAST() and _PyUnicodeObject_CAST(). Using these new macros make the code more readable and check their argument with: assert(PyUnicode_Check(op)). Remove redundant assert(PyUnicode_Check(op)) in macros using directly or indirectly these new CAST macros. Replacing existing casts with these macros.
* bpo-46836: Rename InterpreterFrame to _PyInterpreterFrame (GH-31583)Victor Stinner2022-02-251-2/+2
| | | | | Rename also struct _interpreter_frame to struct _PyInterpreterFrame. Reduce risk of name conflicts if a project includes pycore_frame.h.
* bpo-46541: Replace core use of _Py_IDENTIFIER() with statically initialized ↵Eric Snow2022-02-081-12/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | global objects. (gh-30928) We're no longer using _Py_IDENTIFIER() (or _Py_static_string()) in any core CPython code. It is still used in a number of non-builtin stdlib modules. The replacement is: PyUnicodeObject (not pointer) fields under _PyRuntimeState, statically initialized as part of _PyRuntime. A new _Py_GET_GLOBAL_IDENTIFIER() macro facilitates lookup of the fields (along with _Py_GET_GLOBAL_STRING() for non-identifier strings). https://bugs.python.org/issue46541#msg411799 explains the rationale for this change. The core of the change is in: * (new) Include/internal/pycore_global_strings.h - the declarations for the global strings, along with the macros * Include/internal/pycore_runtime_init.h - added the static initializers for the global strings * Include/internal/pycore_global_objects.h - where the struct in pycore_global_strings.h is hooked into _PyRuntimeState * Tools/scripts/generate_global_objects.py - added generation of the global string declarations and static initializers I've also added a --check flag to generate_global_objects.py (along with make check-global-objects) to check for unused global strings. That check is added to the PR CI config. The remainder of this change updates the core code to use _Py_GET_GLOBAL_IDENTIFIER() instead of _Py_IDENTIFIER() and the related _Py*Id functions (likewise for _Py_GET_GLOBAL_STRING() instead of _Py_static_string()). This includes adding a few functions where there wasn't already an alternative to _Py*Id(), replacing the _Py_Identifier * parameter with PyObject *. The following are not changed (yet): * stop using _Py_IDENTIFIER() in the stdlib modules * (maybe) get rid of _Py_IDENTIFIER(), etc. entirely -- this may not be doable as at least one package on PyPI using this (private) API * (maybe) intern the strings during runtime init https://bugs.python.org/issue46541
* bpo-45855: Replaced deprecated `PyImport_ImportModuleNoBlock` with ↵Kumar Aditya2021-12-121-1/+1
| | | | PyImport_ImportModule (GH-30046)
* bpo-45635: standardize error handling in traceback.c (GH-29905)Irit Katriel2021-12-071-66/+104
| | | Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
* bpo-45831: _Py_DumpASCII() uses a single write() call if possible (GH-29596)Victor Stinner2021-11-171-0/+22
| | | | If the string is ASCII only and doesn't need to escape characters, write the whole string with a single write() syscall.
* bpo-45292: [PEP 654] Update traceback display code to work with exception ↵Irit Katriel2021-11-051-25/+93
| | | | groups (GH-29207)
* bpo-45637: Store the frame pointer in the cframe (GH-29267)Mark Shannon2021-10-281-1/+1
| | | * Rename 'frame' to 'current_frame'
* bpo-45434: Mark the PyTokenizer C API as private (GH-28924)Victor Stinner2021-10-131-2/+2
| | | | | | | | | | | | | | Rename PyTokenize functions to mark them as private: * PyTokenizer_FindEncodingFilename() => _PyTokenizer_FindEncodingFilename() * PyTokenizer_FromString() => _PyTokenizer_FromString() * PyTokenizer_FromFile() => _PyTokenizer_FromFile() * PyTokenizer_FromUTF8() => _PyTokenizer_FromUTF8() * PyTokenizer_Free() => _PyTokenizer_Free() * PyTokenizer_Get() => _PyTokenizer_Get() Remove the unused PyTokenizer_FindEncoding() function. import.c: remove unused #include "errcode.h".
* bpo-45434: Move _Py_BEGIN_SUPPRESS_IPH to pycore_fileutils.h (GH-28922)Victor Stinner2021-10-131-2/+3
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* pycore_pystate.h no longer redefines PyThreadState_GET() (GH-28921)Victor Stinner2021-10-131-5/+8
| | | | | | | | | | | | | | | | | | | | | | Redefining the PyThreadState_GET() macro in pycore_pystate.h is useless since it doesn't affect files not including it. Either use _PyThreadState_GET() directly, or don't use pycore_pystate.h internal C API. For example, the _testcapi extension don't use the internal C API, but use the public PyThreadState_Get() function instead. Replace PyThreadState_Get() with _PyThreadState_GET(). The _PyThreadState_GET() macro is more efficient than PyThreadState_Get() and PyThreadState_GET() function calls which call fail with a fatal Python error. posixmodule.c and _ctypes extension now include <windows.h> before pycore header files (like pycore_call.h). _PyTraceback_Add() now uses _PyErr_Fetch()/_PyErr_Restore() instead of PyErr_Fetch()/PyErr_Restore(). The _decimal and _xxsubinterpreters extensions are now built with the Py_BUILD_CORE_MODULE macro defined to get access to the internal C API.
* bpo-45355: Use sizeof(_Py_CODEUNIT) instead of literal 2 for the size of the ↵Serhiy Storchaka2021-10-031-2/+2
| | | | code unit (GH-28711)
* bpo-1514420: Do not attempt to open files with names in <>s when formatting ↵Irit Katriel2021-09-201-0/+9
| | | | | | an exception (GH-28143) Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-45061: Enhance faulthandler traceback wit no Python frame (GH-28090)Victor Stinner2021-08-311-1/+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>
* bpo-44590: Lazily allocate frame objects (GH-27077)Mark Shannon2021-07-261-19/+10
| | | | | | | | | | | | | | * Convert "specials" array to InterpreterFrame struct, adding f_lasti, f_state and other non-debug FrameObject fields to it. * Refactor, calls pushing the call to the interpreter upward toward _PyEval_Vector. * Compute f_back when on thread stack, only filling in value when frame object outlives stack invocation. * Move ownership of InterpreterFrame in generator from frame object to generator object. * Do not create frame objects for Python calls. * Do not create frame objects for generators.
* bpo-43950: support some multi-line expressions for PEP 657 (GH-27339)Batuhan Taskaya2021-07-251-9/+28
| | | | | | | | | | | | | | | | | | | | | This is basically something that I noticed up while fixing test runs for another issue. It is really common to have multiline calls, and when they fail the display is kind of weird since we omit the annotations. E.g; ``` $ ./python t.py Traceback (most recent call last): File "/home/isidentical/cpython/cpython/t.py", line 11, in <module> frame_1() ^^^^^^^^^ File "/home/isidentical/cpython/cpython/t.py", line 5, in frame_1 frame_2( File "/home/isidentical/cpython/cpython/t.py", line 2, in frame_2 return a / 0 / b / c ~~^~~ ZeroDivisionError: division by zero ``` This patch basically adds support for annotating the rest of the line, if the instruction covers multiple lines (start_line != end_line). Automerge-Triggered-By: GH:isidentical
* bpo-43950: check against the raw string, not the pyobject (GH-27337)Batuhan Taskaya2021-07-241-1/+1
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* bpo-43950: ensure source_line is present when specialising the traceback ↵Batuhan Taskaya2021-07-241-2/+2
| | | | (GH-27313)
* bpo-43950: Distinguish errors happening on character offset decoding (GH-27217)Batuhan Taskaya2021-07-201-0/+10
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* bpo-43950: make BinOp specializations more reliable (GH-27126)Batuhan Taskaya2021-07-151-1/+1
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* bpo-43950: Specialize tracebacks for subscripts/binary ops (GH-27037)Batuhan Taskaya2021-07-121-41/+225
| | | | Co-authored-by: Ammar Askar <ammar@ammaraskar.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* bpo-43950: Print columns in tracebacks (PEP 657) (GH-26958)Ammar Askar2021-07-041-6/+67
| | | | | | | | The traceback.c and traceback.py mechanisms now utilize the newly added code.co_positions and PyCode_Addr2Location to print carets on the specific expressions involved in a traceback. Co-authored-by: Pablo Galindo <Pablogsal@gmail.com> Co-authored-by: Ammar Askar <ammar@ammaraskar.com> Co-authored-by: Batuhan Taskaya <batuhanosmantaskaya@gmail.com>
* bpo-44466: Faulthandler now detects the GC (GH-26823)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).
* 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 Hileman2021-04-291-1/+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-27129: Use instruction offsets, not byte offsets, in bytecode and ↵Mark Shannon2021-04-011-3/+2
| | | | | | | internally. (GH-25069) * Use instruction offset, rather than bytecode offset. Streamlines interpreter dispatch a bit, and removes most EXTENDED_ARGs for jumps. * Change some uses of PyCode_Addr2Line to PyFrame_GetLineNumber
* bpo-42923: _Py_DumpExtensionModules() ignores stdlib ext (GH-24254)Victor Stinner2021-01-191-3/+3
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* bpo-42923: Py_FatalError() avoids fprintf() (GH-24242)Victor Stinner2021-01-181-7/+4
| | | | | * Replace buffered fprintf() with unbuffered _Py_write_noraise() in Py_FatalError(). * _Py_DumpHexadecimal() now accepts uintptr_t.
* bpo-26564: fix obsolete comment in traceback.c (GH-23819)Irit Katriel2020-12-171-1/+2
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