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* gh-117431: Adapt bytes and bytearray .find() and friends to Argument Clinic ↵Erlend E. Aasland2024-04-121-17/+74
| | | | | | | | | | | | | | (#117502) This change gives a significant speedup, as the METH_FASTCALL calling convention is now used. The following bytes and bytearray methods are adapted: - count() - find() - index() - rfind() - rindex() Co-authored-by: Inada Naoki <songofacandy@gmail.com>
* gh-117439: Make refleak checking thread-safe without the GIL (#117469)Sam Gross2024-04-081-1/+1
| | | | | This keeps track of the per-thread total reference count operations in PyThreadState in the free-threaded builds. The count is merged into the interpreter's total when the thread exits.
* gh-117431: Adapt bytes and bytearray .startswith() and .endswith() to ↵Erlend E. Aasland2024-04-031-8/+42
| | | | | | Argument Clinic (#117495) This change gives a significant speedup, as the METH_FASTCALL calling convention is now used.
* gh-87193: Support bytes objects with refcount > 1 in _PyBytes_Resize() ↵Serhiy Storchaka2024-03-251-18/+23
| | | | | (GH-117160) Create a new bytes object and destroy the old one if it has refcount > 1.
* gh-108767: Replace ctype.h functions with pyctype.h functions (#108772)Victor Stinner2023-09-011-4/+4
| | | | | | | | | | | | | | Replace <ctype.h> locale dependent functions with Python "pyctype.h" locale independent functions: * Replace isalpha() with Py_ISALPHA(). * Replace isdigit() with Py_ISDIGIT(). * Replace isxdigit() with Py_ISXDIGIT(). * Replace tolower() with Py_TOLOWER(). Leave Modules/_sre/sre.c unchanged, it uses locale dependent functions on purpose. Include explicitly <ctype.h> in _decimal.c to get isascii().
* gh-108444: Replace _PyLong_AsInt() with PyLong_AsInt() (#108459)Victor Stinner2023-08-241-1/+1
| | | | | | Change generated by the command: sed -i -e 's!_PyLong_AsInt!PyLong_AsInt!g' \ $(find -name "*.c" -o -name "*.h")
* gh-106320: Remove private _PyEval function (#108433)Victor Stinner2023-08-241-2/+3
| | | | | | | | | | | | | | Move private _PyEval functions to the internal C API (pycore_ceval.h): * _PyEval_GetBuiltin() * _PyEval_GetBuiltinId() * _PyEval_GetSwitchInterval() * _PyEval_MakePendingCalls() * _PyEval_SetProfile() * _PyEval_SetSwitchInterval() * _PyEval_SetTrace() No longer export most of these functions.
* GH-84436: Skip refcounting for known immortals (GH-107605)Brandt Bucher2023-08-041-15/+12
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* gh-105235: Prevent reading outside buffer during mmap.find() (#105252)Dennis Sweeney2023-07-131-2/+19
| | | | | | | * Add a special case for s[-m:] == p in _PyBytes_Find * Add tests for _PyBytes_Find * Make sure that start <= end in mmap.find
* gh-104922: remove PY_SSIZE_T_CLEAN (#106315)Inada Naoki2023-07-021-2/+0
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* fix typos (#106247)Inada Naoki2023-06-301-2/+2
| | | Most typos are in comments, but two typos are in docstring.
* gh-92536: Remove PyUnicode_READY() calls (#105210)Victor Stinner2023-06-011-2/+0
| | | | Since Python 3.12, PyUnicode_READY() does nothing and always returns 0.
* gh-104018: remove unused format "z" handling in string formatfloat() (#104107)John Belmonte2023-05-071-3/+0
| | | This is a cleanup overlooked in PR #104033.
* gh-104018: disallow "z" format specifier in %-format of byte strings (GH-104033)John Belmonte2023-05-011-1/+0
| | | | | | | | | | | PEP-0682 specified that %-formatting would not support the "z" specifier, but it was unintentionally allowed for bytes. This PR makes use of the "z" flag an error for %-formatting in a bytestring. Issue: #104018 --------- Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* gh-94673: Ensure Builtin Static Types are Readied Properly (gh-103940)Eric Snow2023-04-271-19/+0
| | | There were cases where we do unnecessary work for builtin static types. This also simplifies some work necessary for a per-interpreter GIL.
* gh-102304: Move the Total Refcount to PyInterpreterState (gh-102545)Eric Snow2023-03-211-1/+1
| | | | | Moving it valuable with a per-interpreter GIL. However, it is also useful without one, since it allows us to identify refleaks within a single interpreter or where references are escaping an interpreter. This becomes more important as we move the obmalloc state to PyInterpreterState. https://github.com/python/cpython/issues/102304
* gh-102304: Consolidate Direct Usage of _Py_RefTotal (gh-102514)Eric Snow2023-03-081-5/+4
| | | | | This simplifies further changes to _Py_RefTotal (e.g. make it atomic or move it to PyInterpreterState). https://github.com/python/cpython/issues/102304
* gh-101765: Fix SystemError / segmentation fault in iter `__reduce__` when ↵Ionite2023-02-241-3/+8
| | | | internal access of `builtins.__dict__` exhausts the iterator (#101769)
* gh-101056: Fix memory leak in `formatfloat()` in `bytesobject.c` (#101057)Nikita Sobolev2023-01-161-1/+3
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* bpo-15999: Accept arbitrary values for boolean parameters. (#15609)Serhiy Storchaka2022-12-031-2/+2
| | | builtins and extension module functions and methods that expect boolean values for parameters now accept any Python object rather than just a bool or int type. This is more consistent with how native Python code itself behaves.
* gh-99537: Use Py_SETREF() function in C code (#99657)Victor Stinner2022-11-221-3/+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: Use Py_NewRef() in Objects/ directory (#99332)Victor Stinner2022-11-101-34/+17
| | | | Replace Py_INCREF() and Py_XINCREF() with Py_NewRef() and Py_XNewRef() in C files of the Objects/ directory.
* GH-93207: Remove HAVE_STDARG_PROTOTYPES configure check for stdarg.h (#93215)Kumar Aditya2022-05-271-4/+0
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* gh-89653: Use int type for Unicode kind (#92704)Victor Stinner2022-05-131-1/+1
| | | | Use the same type that PyUnicode_FromKindAndData() kind parameter type (public C API): int.
* Use static inline function Py_EnterRecursiveCall() (#91988)Victor Stinner2022-05-041-1/+1
| | | | | | | | | | | | | | | | 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-81548: Deprecate octal escape sequences with value larger than 0o377 ↵Serhiy Storchaka2022-04-301-5/+24
| | | | (GH-91668)
* gh-91020: Add `PyBytes_Type.tp_alloc` for subclass (GH-91686)Inada Naoki2022-04-201-1/+20
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* bpo-45995: add "z" format specifer to coerce negative 0 to zero (GH-30049)John Belmonte2022-04-111-2/+9
| | | | | | | | Add "z" format specifier to coerce negative 0 to zero. See https://github.com/python/cpython/issues/90153 (originally https://bugs.python.org/issue45995) for discussion. This covers `str.format()` and f-strings. Old-style string interpolation is not supported. Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* bpo-47070: Add _PyBytes_Repeat() (GH-31999)Pieter Eendebak2022-03-281-17/+29
| | | Use it where appropriate: the repeat functions of `array.array`, `bytes`, `bytearray`, and `str`.
* bpo-47116: use _PyLong_FromUnsignedChar instead of PyLong_FromLong (GH-32110)Pieter Eendebak2022-03-261-2/+2
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* bpo-47012: speed up iteration of bytes and bytearray (GH-31867)Kumar Aditya2022-03-231-1/+1
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* bpo-46864: Deprecate PyBytesObject.ob_shash. (GH-31598)Inada Naoki2022-03-061-0/+18
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* bpo-46848: Move _PyBytes_Find() to internal C API (GH-31642)Victor Stinner2022-03-021-0/+1
| | | | | | Move _PyBytes_Find() and _PyBytes_ReverseFind() functions to the internal C API. bytesobject.c now includes pycore_bytesobject.h.
* bpo-46848: Use stringlib/fastsearch in mmap (GH-31625)Dennis Sweeney2022-03-021-0/+18
| | | Speed up mmap.find(). Add _PyBytes_Find() and _PyBytes_ReverseFind().
* bpo-46541: Replace core use of _Py_IDENTIFIER() with statically initialized ↵Eric Snow2022-02-081-7/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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-46670: Define all macros for stringlib (GH-31176)Victor Stinner2022-02-071-0/+1
| | | | | bytesobject.c, bytearrayobject.c and unicodeobject.c now define all macros used by stringlib, to avoid using undefined macros. Fix "gcc -Wundef" warnings.
* bpo-46417: Add missing types of _PyTypes_InitTypes() (GH-30749)Victor Stinner2022-01-211-1/+1
| | | | | | | | | Add types removed by mistake by the commit adding _PyTypes_FiniTypes(). Move also PyBool_Type at the end, since it depends on PyLong_Type. PyBytes_Type and PyUnicode_Type no longer depend explicitly on PyBaseObject_Type: it's the default of PyType_Ready().
* bpo-45953: Statically allocate and initialize global bytes objects. (gh-30096)Eric Snow2022-01-111-78/+14
| | | | | 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-46008: Make runtime-global object/type lifecycle functions and state ↵Eric Snow2021-12-091-1/+21
| | | | | | | | | | | | 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-35134: Add Include/cpython/longobject.h (GH-29044)Victor Stinner2021-10-191-0/+1
| | | | | | | | | | Move Include/longobject.h non-limited API to a new Include/cpython/longobject.h header file. Move the following definitions to the internal C API: * _PyLong_DigitValue * _PyLong_FormatAdvancedWriter() * _PyLong_FormatWriter()
* bpo-45434: Remove pystrhex.h header file (GH-28923)Victor Stinner2021-10-131-1/+1
| | | | | | | | | | | | | | | Move Include/pystrhex.h to Include/internal/pycore_strhex.h. The header file only contains private functions. The following C extensions are now built with Py_BUILD_CORE_MODULE macro defined to get access to the internal C API: * _blake2 * _hashopenssl * _md5 * _sha1 * _sha3 * _ssl * binascii
* bpo-45439: Move _PyObject_CallNoArgs() to pycore_call.h (GH-28895)Victor Stinner2021-10-121-0/+1
| | | | | | | * 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 Stinner2021-10-111-2/+2
| | | | | Fix typo in the private _PyObject_CallNoArg() function name: rename it to _PyObject_CallNoArgs() to be consistent with the public function PyObject_CallNoArgs().
* Fix bytes.__bytes__ to not truncate at a zero byte (GH-27902)Mark Dickinson2021-08-231-1/+1
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* bpo-24234: Implement bytes.__bytes__ (GH-27901)Dong-hee Na2021-08-231-0/+20
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* bpo-42128: Structural Pattern Matching (PEP 634) (GH-22917)Brandt Bucher2021-02-261-1/+2
| | | | | Co-authored-by: Guido van Rossum <guido@python.org> Co-authored-by: Talin <viridia@gmail.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* bpo-43268: Pass interp rather than tstate to internal functions (GH-24580)Victor Stinner2021-02-191-4/+4
| | | | | | | | | | | | | | | Pass the current interpreter (interp) rather than the current Python thread state (tstate) to internal functions which only use the interpreter. Modified functions: * _PyXXX_Fini() and _PyXXX_ClearFreeList() functions * _PyEval_SignalAsyncExc(), make_pending_calls() * _PySys_GetObject(), sys_set_object(), sys_set_object_id(), sys_set_object_str() * should_audit(), set_flags_from_config(), make_flags() * _PyAtExit_Call() * init_stdio_encoding() * etc.
* bpo-42431: Fix outdated bytes comments (GH-23458)Serhiy Storchaka2020-12-031-21/+9
| | | | Also move definitions of internal macros F_LJUST etc to private header.
* bpo-42519: Replace PyObject_MALLOC() with PyObject_Malloc() (GH-23587)Victor Stinner2020-12-011-4/+4
| | | | | | | | | No longer use deprecated aliases to functions: * Replace PyObject_MALLOC() with PyObject_Malloc() * Replace PyObject_REALLOC() with PyObject_Realloc() * Replace PyObject_FREE() with PyObject_Free() * Replace PyObject_Del() with PyObject_Free() * Replace PyObject_DEL() with PyObject_Free()
* bpo-42435: Speed up comparison of bytes and bytearray object (GH--23461)Serhiy Storchaka2020-11-221-21/+4
| | | | | * Speed up comparison of bytes objects with non-bytes objects when option -b is specified. * Speed up comparison of bytarray objects with non-buffer object.
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