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* gh-118702: Implement vectorcall for BaseException (#118703)Victor Stinner2024-05-10
| | | | | | | | | | * BaseException_vectorcall() now creates a tuple from 'args' array. * Creation an exception using BaseException_vectorcall() is now a single function call, rather than having to call BaseException_new() and then BaseException_init(). Calling BaseException_init() is inefficient since it overrides the 'args' attribute. * _PyErr_SetKeyError() now uses PyObject_CallOneArg() to create the KeyError instance to use BaseException_vectorcall().
* gh-118379: Use PyTuple_Pack instead of Py_BuildValue if possible (GH-118381)Nice Zombies2024-04-30
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* gh-111375: Use `NULL` rather than `None` in the exception stack to indicate ↵Carey Metcalfe2023-12-21
| | | | that an exception was handled (#113302)
* gh-76785: Move _Py_excinfo Functions Out of the Internal C-API (gh-111715)Eric Snow2023-11-06
| | | | | I added _Py_excinfo to the internal API (and added its functions in Python/errors.c) in gh-111530 (9322ce9). Since then I've had a nagging sense that I should have added the type and functions in its own PR. While I do plan on using _Py_excinfo outside crossinterp.c very soon (see gh-111572/gh-111573), I'd still feel more comfortable if the _Py_excinfo stuff went in as its own PR. Hence, here we are. (FWIW, I may combine that with gh-111572, which I may, in turn, combine with gh-111573. We'll see.)
* gh-108082: Remove _PyErr_WriteUnraisableMsg() (GH-111643)Serhiy Storchaka2023-11-03
| | | | Replace the remaining calls with PyErr_FormatUnraisable().
* gh-76785: Crossinterp utils additions (gh-111530)Eric Snow2023-11-01
| | | | | | | | | | | | This moves several general internal APIs out of _xxsubinterpretersmodule.c and into the new Python/crossinterp.c (and the corresponding internal headers). Specifically: * _Py_excinfo, etc.: the initial implementation for non-object exception snapshots (in pycore_pyerrors.h and Python/errors.c) * _PyXI_exception_info, etc.: helpers for passing an exception beween interpreters (wraps _Py_excinfo) * _PyXI_namespace, etc.: helpers for copying a dict of attrs between interpreters * _PyXI_Enter(), _PyXI_Exit(): functions that abstract out the transitions between one interpreter and a second that will do some work temporarily Again, these were all abstracted out of _xxsubinterpretersmodule.c as generalizations. I plan on proposing these as public API at some point.
* gh-108082: Add PyErr_FormatUnraisable() function (GH-111086)Serhiy Storchaka2023-10-31
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* gh-110079: Remove extern "C" { ...} in C code (#110080)Victor Stinner2023-09-29
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* gh-109611: Add convenient C API function _PyFile_Flush() (GH-109612)Serhiy Storchaka2023-09-23
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* gh-108511: Add C API functions which do not silently ignore errors (GH-109025)Serhiy Storchaka2023-09-17
| | | | | | | | | Add the following functions: * PyObject_HasAttrWithError() * PyObject_HasAttrStringWithError() * PyMapping_HasKeyWithError() * PyMapping_HasKeyStringWithError()
* gh-108765: Python.h no longer includes <ctype.h> (#108831)Victor Stinner2023-09-03
| | | | | | | | | | | | | | | | | | | | | | | Remove <ctype.h> in C files which don't use it; only sre.c and _decimal.c still use it. Remove _PY_PORT_CTYPE_UTF8_ISSUE code from pyport.h: * Code added by commit b5047fd01948ab108edcc1b3c2c901d915814cfd in 2004 for MacOSX and FreeBSD. * Test removed by commit 52ddaefb6bab1a74ecffe8519c02735794ebfbe1 in 2007, since Python str type now uses locale independent functions like Py_ISALPHA() and Py_TOLOWER() and the Unicode database. Modules/_sre/sre.c replaces _PY_PORT_CTYPE_UTF8_ISSUE with new functions: sre_isalnum(), sre_tolower(), sre_toupper(). Remove unused includes: * _localemodule.c: remove <stdio.h>. * getargs.c: remove <float.h>. * dynload_win.c: remove <direct.h>, it no longer calls _getcwd() since commit fb1f68ed7cc1536482d1debd70a53c5442135fe2 (in 2001).
* gh-107916: Save the error code before decoding the filename in ↵Serhiy Storchaka2023-08-21
| | | | PyErr_SetFromErrnoWithFilename() etc (GH-107929)
* gh-107915: Handle errors in C API functions PyErr_Set*() and PyErr_Format() ↵Serhiy Storchaka2023-08-19
| | | | | | | | (GH-107918) Such C API functions as PyErr_SetString(), PyErr_Format(), PyErr_SetFromErrnoWithFilename() and many others no longer crash or ignore errors if it failed to format the error message or decode the filename. Instead, they keep a corresponding error.
* gh-106521: Remove _PyObject_LookupAttr() function (GH-106642)Serhiy Storchaka2023-07-12
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* gh-106084: Remove old PyObject call aliases (#106085)Victor Stinner2023-06-26
| | | | | | | | | | | | | | 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-105140: remove unused arg of _PyErr_ChainStackItem (#105141)Irit Katriel2023-06-01
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* gh-94673: Properly Initialize and Finalize Static Builtin Types for Each ↵Eric Snow2023-05-01
| | | | | Interpreter (gh-104072) Until now, we haven't been initializing nor finalizing the per-interpreter state properly.
* gh-84436: Immortalize in _PyStructSequence_InitBuiltinWithFlags() (gh-104054)Eric Snow2023-05-01
| | | This also does some cleanup.
* gh-94673: Ensure Builtin Static Types are Readied Properly (gh-103940)Eric Snow2023-04-27
| | | There were cases where we do unnecessary work for builtin static types. This also simplifies some work necessary for a per-interpreter GIL.
* gh-77757: replace exception wrapping by PEP-678 notes in typeobject's ↵Irit Katriel2023-04-11
| | | | __set_name__ (#103402)
* gh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives ↵Irit Katriel2023-03-18
| | | | (#102769)
* gh-102594: PyErr_SetObject adds note to exception raised on normalization ↵Irit Katriel2023-03-16
| | | | error (#102675)
* gh-102493: fix normalization in PyErr_SetObject (#102502)Irit Katriel2023-03-07
| | | | Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
* GH-101578: Normalize the current exception (GH-101607)Mark Shannon2023-02-08
| | | | | | | | | | * 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(var, NULL) in C code (#99687)Victor Stinner2022-11-23
| | | Replace "Py_DECREF(var); var = NULL;" with "Py_SETREF(var, NULL);".
* gh-99537: Use Py_SETREF() function in C code (#99657)Victor Stinner2022-11-22
| | | | | | | | | | | | | | | 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 Stinner2022-11-16
| | | | Replace Py_INCREF() and Py_XINCREF() using a cast with Py_NewRef() and Py_XNewRef().
* gh-99300: Use Py_NewRef() in Python/ directory (#99302)Victor Stinner2022-11-10
| | | | Replace Py_INCREF() and Py_XINCREF() with Py_NewRef() and Py_XNewRef() in C files of the Python/ directory.
* gh-91058: Add error suggestions to 'import from' import errors (#98305)Pablo Galindo Salgado2022-10-25
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* gh-94673: Add _PyStaticType_InitBuiltin() (#95152)Eric Snow2022-07-25
| | | | | | | | | | | | This is the first of several precursors to storing tp_subclasses (and tp_weaklist) on the interpreter state for static builtin types. We do the following: * add `_PyStaticType_InitBuiltin()` * add `_Py_TPFLAGS_STATIC_BUILTIN` * set it on all static builtin types in `_PyStaticType_InitBuiltin()` * shuffle some code around to be able to use _PyStaticType_InitBuiltin() * rename `_PyStructSequence_InitType()` to `_PyStructSequence_InitBuiltinWithFlags()` * add `_PyStructSequence_InitBuiltin()`.
* GH-93207: Remove HAVE_STDARG_PROTOTYPES configure check for stdarg.h (#93215)Kumar Aditya2022-05-27
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* Fix refleaks in PyErr_SetHandledException (GH-91627)Dennis Sweeney2022-04-17
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* gh-90501: Add PyErr_GetHandledException and PyErr_SetHandledException (GH-30531)Irit Katriel2022-04-15
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* bpo-46816: Remove declarations for non-__STDC__ compilers (GH-31466)Oleg Iarygin2022-02-26
| | | | After Python switched to C11, there is a guarantee that every compiler conforms to ISO C so checks of __STDC__ have no sense.
* bpo-46541: Replace core use of _Py_IDENTIFIER() with statically initialized ↵Eric Snow2022-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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-46417: _curses uses PyStructSequence_NewType() (GH-30736)Victor Stinner2022-01-21
| | | | | | | | 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 Stinner2022-01-21
| | | | | | | | | | | | | | | | | | 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-45711: Remove type and traceback from exc_info (GH-30122)Irit Katriel2021-12-17
| | | | | | | | * 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-46008: Make runtime-global object/type lifecycle functions and state ↵Eric Snow2021-12-09
| | | | | | | | | | | | consistent. (gh-29998) This change is strictly renames and moving code around. It helps in the following ways: * ensures type-related init functions focus strictly on one of the three aspects (state, objects, types) * passes in PyInterpreterState * to all those functions, simplifying work on moving types/objects/state to the interpreter * consistent naming conventions help make what's going on more clear * keeping API related to a type in the corresponding header file makes it more obvious where to look for it https://bugs.python.org/issue46008
* bpo-45711: Remove unnecessary normalization of exc_info (GH-29922)Irit Katriel2021-12-08
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* bpo-45711: Change exc_info related APIs to derive type and traceback from ↵Irit Katriel2021-11-30
| | | | the exception instance (GH-29780)
* bpo-45711: use exc_value instead of exc_type to determine if exc_info is ↵Irit Katriel2021-11-25
| | | | valid. Add more assertions. (GH-29627)
* bpo-45848: Allow the parser to get error lines from encoded files (GH-29646)Pablo Galindo Salgado2021-11-20
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* bpo-45434: pyport.h no longer includes <stdlib.h> (GH-28914)Victor Stinner2021-10-13
| | | | | Include <stdlib.h> explicitly in C files. Python.h includes <wchar.h>.
* bpo-45439: Move _PyObject_CallNoArgs() to pycore_call.h (GH-28895)Victor Stinner2021-10-12
| | | | | | | * Move _PyObject_CallNoArgs() to pycore_call.h (internal C API). * _ssl, _sqlite and _testcapi extensions now call the public PyObject_CallNoArgs() function, rather than _PyObject_CallNoArgs(). * _lsprof extension is now built with Py_BUILD_CORE_MODULE macro defined to get access to internal _PyObject_CallNoArgs().
* bpo-45439: Rename _PyObject_CallNoArg() to _PyObject_CallNoArgs() (GH-28891)Victor Stinner2021-10-12
| | | | | Fix typo in the private _PyObject_CallNoArg() function name: rename it to _PyObject_CallNoArgs() to be consistent with the public function PyObject_CallNoArgs().
* bpo-41031: Match C and Python code formatting of unprintable exceptions and ↵Irit Katriel2021-09-05
| | | | exceptions in the __main__ module. (GH-28139)
* bpo-45083: Include the exception class qualname when formatting an exception ↵Irit Katriel2021-09-03
| | | | | (GH-28119) Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
* bpo-25782: avoid hang in PyErr_SetObject when current exception has a cycle ↵Irit Katriel2021-08-10
| | | | | in its context chain (GH-27626) Co-authored-by: Dennis Sweeney 36520290+sweeneyde@users.noreply.github.com
* closes bpo-39091: Fix segfault when Exception constructor returns ↵Noah2021-08-02
| | | | | non-exception for gen.throw. (#17658) Co-authored-by: Benjamin Peterson <benjamin@python.org>
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