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* gh-108082: Use PyErr_FormatUnraisable() (GH-111580)Serhiy Storchaka2023-11-021-2/+3
| | | | | | Replace most of calls of _PyErr_WriteUnraisableMsg() and some calls of PyErr_WriteUnraisable(NULL) with PyErr_FormatUnraisable(). Co-authored-by: Victor Stinner <vstinner@python.org>
* gh-67224: Show source lines in tracebacks when using the -c option when ↵Pablo Galindo Salgado2023-10-261-19/+61
| | | | running Python (#111200)
* gh-111132: Fix crash on interactive_filename in `run_mod` (#111136)Nikita Sobolev2023-10-201-1/+3
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* gh-110912: Correctly display tracebacks for MemoryError exceptions using the ↵Pablo Galindo Salgado2023-10-161-4/+1
| | | | traceback module (#110921)
* gh-110805: Allow the repl to show source code and complete tracebacks (#110775)Pablo Galindo Salgado2023-10-131-12/+72
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* gh-110721: Use the traceback module for PyErr_Display() and fallback to the ↵Pablo Galindo Salgado2023-10-121-518/+59
| | | | C implementation (#110702)
* gh-110079: Remove extern "C" { ...} in C code (#110080)Victor Stinner2023-09-291-9/+0
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* gh-109611: Add convenient C API function _PyFile_Flush() (GH-109612)Serhiy Storchaka2023-09-231-10/+2
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* gh-109179: Fix traceback display for SyntaxErrors with notes (#109197)Irit Katriel2023-09-111-13/+11
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* gh-108765: Cleanup #include in Python/*.c files (#108977)Victor Stinner2023-09-061-5/+5
| | | Mention one symbol imported by each #include.
* gh-106320: Remove private pythonrun API (#108599)Victor Stinner2023-08-291-0/+1
| | | | | | | | | | | Remove these private functions from the public C API: * _PyRun_AnyFileObject() * _PyRun_InteractiveLoopObject() * _PyRun_SimpleFileObject() * _Py_SourceAsString() Move them to the internal C API: add a new pycore_pythonrun.h header file. No longer export these functions.
* gh-108308: Remove _PyDict_GetItemStringWithError() function (#108426)Victor Stinner2023-08-241-1/+0
| | | | | | | | Remove the internal _PyDict_GetItemStringWithError() function. It can now be replaced with the new public PyDict_ContainsString() and PyDict_GetItemStringRef() functions. getargs.c now now uses a strong reference for current_arg. find_keyword() returns a strong reference.
* gh-108314: Add PyDict_ContainsString() function (#108323)Victor Stinner2023-08-241-9/+14
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* gh-108113: Make it possible to optimize an AST (#108282)Irit Katriel2023-08-231-21/+1
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* gh-106320: Remove _PyDict_GetItemStringWithError() function (#108313)Victor Stinner2023-08-221-0/+1
| | | | | | | | | Remove private _PyDict_GetItemStringWithError() function of the public C API: the new PyDict_GetItemStringRef() can be used instead. * Move private _PyDict_GetItemStringWithError() to the internal C API. * _testcapi get_code_extra_index() uses PyDict_GetItemStringRef(). Avoid using private functions in _testcapi which tests the public C API.
* gh-108113: Make it possible to create an optimized AST (#108154)Irit Katriel2023-08-211-0/+25
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* gh-106521: Remove _PyObject_LookupAttr() function (GH-106642)Serhiy Storchaka2023-07-121-2/+2
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* gh-106023: Update code using _PyObject_FastCall() (#106257)Victor Stinner2023-06-301-5/+2
| | | Replace _PyObject_FastCall() calls with PyObject_Vectorcall().
* gh-106084: Remove old PyObject call aliases (#106085)Victor Stinner2023-06-261-2/+2
| | | | | | | | | | | | | | Remove old aliases which were kept backwards compatibility with Python 3.8: * _PyObject_CallMethodNoArgs() * _PyObject_CallMethodOneArg() * _PyObject_CallOneArg() * _PyObject_FastCallDict() * _PyObject_Vectorcall() * _PyObject_VectorcallMethod() * _PyVectorcall_Function() Update code which used these aliases to use new names.
* gh-106033: Get rid of new occurrences of PyDict_GetItem and PyObject_HasAttr ↵Serhiy Storchaka2023-06-231-7/+5
| | | | | | | | (GH-106034) These functions are broken by design because they discard any exceptions raised inside, including MemoryError and KeyboardInterrupt. They should not be used in new code.
* gh-105922: Use PyImport_AddModuleRef() function (#105999)Victor Stinner2023-06-221-1/+1
| | | | Replace PyImport_AddModuleObject() + Py_XNewRef() with PyImport_AddModuleRef() to get directly a strong reference.
* gh-105922: Add PyImport_AddModuleRef() function (#105923)Victor Stinner2023-06-201-2/+2
| | | | | | * Add tests on PyImport_AddModuleRef(), PyImport_AddModule() and PyImport_AddModuleObject(). * pythonrun.c: Replace Py_XNewRef(PyImport_AddModule(name)) with PyImport_AddModuleRef(name).
* gh-105922: Refactor PyRun_InteractiveOneObjectEx() (#105925)Victor Stinner2023-06-191-74/+108
| | | | | | | | | | | Refactor PyRun_InteractiveOneObjectEx(), _PyRun_SimpleFileObject() and PyRun_SimpleStringFlags(): * Keep a strong reference to the __main__ module while using its dictionary (PyModule_GetDict()). Use PyImport_AddModule() with Py_XNewRef(). * Declare variables closer to where they are defined. * Rename variables to use name longer than 1 character. * Add pyrun_one_parse_ast() sub-function.
* gh-103895: Improve how invalid `Exception.__notes__` are displayed (#103897)Carey Metcalfe2023-05-011-1/+4
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* gh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives ↵Irit Katriel2023-03-191-1/+1
| | | | (#102816)
* gh-102778: Add sys.last_exc, deprecate sys.last_type, ↵Irit Katriel2023-03-181-0/+4
| | | | sys.last_value,sys.last_traceback (#102779)
* gh-102755: Add PyErr_DisplayException(exc) (#102756)Irit Katriel2023-03-161-46/+41
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* gh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives ↵Irit Katriel2023-03-161-44/+35
| | | | (#102743)
* gh-102056: Fix a few bugs in error handling of exception printing code (#102078)Irit Katriel2023-02-201-7/+16
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* gh-101758: Clean Up Uses of Import State (gh-101919)Eric Snow2023-02-151-8/+2
| | | | | | | | | | | | | | | This change is almost entirely moving code around and hiding import state behind internal API. We introduce no changes to behavior, nor to non-internal API. (Since there was already going to be a lot of churn, I took this as an opportunity to re-organize import.c into topically-grouped sections of code.) The motivation is to simplify a number of upcoming changes. Specific changes: * move existing import-related code to import.c, wherever possible * add internal API for interacting with import state (both global and per-interpreter) * use only API outside of import.c (to limit churn there when changing the location, etc.) * consolidate the import-related state of PyInterpreterState into a single struct field (this changes layout slightly) * add macros for import state in import.c (to simplify changing the location) * group code in import.c into sections *remove _PyState_AddModule() https://github.com/python/cpython/issues/101758
* GH-101578: Normalize the current exception (GH-101607)Mark Shannon2023-02-081-7/+4
| | | | | | | | | | * 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 Stinner2022-11-221-2/+1
| | | | | | | | | | | | | | | 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-99300: Replace Py_INCREF() with Py_NewRef() (#99530)Victor Stinner2022-11-161-2/+1
| | | | Replace Py_INCREF() and Py_XINCREF() using a cast with Py_NewRef() and Py_XNewRef().
* gh-81057: Move More Globals in Core Code to _PyRuntimeState (gh-99516)Eric Snow2022-11-161-2/+3
| | | https://github.com/python/cpython/issues/81057
* gh-99300: Use Py_NewRef() in Python/ directory (#99302)Victor Stinner2022-11-101-6/+3
| | | | Replace Py_INCREF() and Py_XINCREF() with Py_NewRef() and Py_XNewRef() in C files of the Python/ directory.
* gh-98254: Include stdlib module names in error messages for NameErrors (#98255)Pablo Galindo Salgado2022-10-151-7/+0
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* gh-96670: Raise SyntaxError when parsing NULL bytes (#97594)Pablo Galindo Salgado2022-09-271-1/+1
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* gh-92651: Remove the Include/token.h header file (#92652)Victor Stinner2022-05-111-1/+0
| | | | | | | | | | | | | | | Remove the token.h header file. There was never any public tokenizer C API. The token.h header file was only designed to be used by Python internals. Move Include/token.h to Include/internal/pycore_token.h. Including this header file now requires that the Py_BUILD_CORE macro is defined. It no longer checks for the Py_LIMITED_API macro. Rename functions: * PyToken_OneChar() => _PyToken_OneChar() * PyToken_TwoChars() => _PyToken_TwoChars() * PyToken_ThreeChars() => _PyToken_ThreeChars()
* Use static inline function Py_EnterRecursiveCall() (#91988)Victor Stinner2022-05-041-4/+5
| | | | | | | | | | | | | | | | Currently, calling Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() may use a function call or a static inline function call, depending if the internal pycore_ceval.h header file is included or not. Use a different name for the static inline function to ensure that the static inline function is always used in Python internals for best performance. Similar approach than PyThreadState_GET() (function call) and _PyThreadState_GET() (static inline function). * Rename _Py_EnterRecursiveCall() to _Py_EnterRecursiveCallTstate() * Rename _Py_LeaveRecursiveCall() to _Py_LeaveRecursiveCallTstate() * pycore_ceval.h: Rename Py_EnterRecursiveCall() to _Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() and _Py_LeaveRecursiveCall()
* gh-89770: Implement PEP-678 - Exception notes (GH-31317)Irit Katriel2022-04-161-24/+57
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* gh-89455: Fix an uninitialized bool in exception print context. (#91466)Gregory P. Smith2022-04-141-0/+1
| | | | | | | | | | | | | | | | | | | | | Fix an uninitialized bool in exception print context. `struct exception_print_context.need_close` was uninitialized. Found by oss-fuzz in a test case running under the undefined behavior sanitizer. https://oss-fuzz.com/testcase-detail/6217746058182656 ``` Python/pythonrun.c:1241:28: runtime error: load of value 253, which is not a valid value for type 'bool' #0 0xbf2203 in print_chained cpython3/Python/pythonrun.c:1241:28 #1 0xbea4bb in print_exception_cause_and_context cpython3/Python/pythonrun.c:1320:19 #2 0xbea4bb in print_exception_recursive cpython3/Python/pythonrun.c:1470:13 #3 0xbe9e39 in _PyErr_Display cpython3/Python/pythonrun.c:1517:9 ``` Pretty obvious what the ommission was upon code inspection.
* 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-46541: Discover the global strings. (gh-31346)Eric Snow2022-02-151-0/+2
| | | | | | | Instead of manually enumerating the global strings in generate_global_objects.py, we extrapolate the list from usage of _Py_ID() and _Py_STR() in the source files. This is partly inspired by gh-31261. https://bugs.python.org/issue46541
* bpo-46541: Replace core use of _Py_IDENTIFIER() with statically initialized ↵Eric Snow2022-02-081-78/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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-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>
* bpo-45635: refactor print_exception_recursive into smaller functions to ↵Irit Katriel2021-12-101-149/+187
| | | | | standardize error handling (GH-30015) Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
* bpo-45635: continue refactor of print_exception() to standardize error ↵Irit Katriel2021-12-091-78/+105
| | | | | handling (GH-29996) Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
* bpo-45635: refactor print_exception() into smaller functions (GH-29981)Irit Katriel2021-12-081-87/+139
| | | Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
* bpo-45607: Make it possible to enrich exception displays via setting their ↵Irit Katriel2021-12-031-0/+35
| | | | __note__ field (GH-29880)
* bpo-45614: Fix traceback display for exceptions with invalid module name ↵Irit Katriel2021-11-271-1/+1
| | | | (GH-29726)
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