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* [3.12] gh-105375: Harden pyexpat initialisation (#105606) (#105669)Erlend E. Aasland2023-06-111-7/+11
| | | | | | (cherry picked from commit 20a56d8becba1a5a958b167fdb43b1a1b9228095) Add proper error handling to add_errors_module() to prevent exceptions from possibly being overwritten.
* GH-103092: isolate `pyexpat` (#104506)Kumar Aditya2023-05-161-8/+21
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* gh-99113: Add Py_MOD_PER_INTERPRETER_GIL_SUPPORTED (gh-104205)Eric Snow2023-05-051-0/+3
| | | Here we are doing no more than adding the value for Py_mod_multiple_interpreters and using it for stdlib modules. We will start checking for it in gh-104206 (once PyInterpreterState.ceval.own_gil is added in gh-104204).
* GH-101797: allocate `PyExpat_CAPI` capsule on heap (#101798)Kumar Aditya2023-02-111-27/+45
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* gh-100689: Revert "bpo-41798: pyexpat: Allocate the expat_CAPI on the heap ↵Nikita Sobolev2023-01-081-40/+27
| | | | | | | memory (GH-24061)" (#100745) * gh-100689: Revert "bpo-41798: pyexpat: Allocate the expat_CAPI on the heap memory (GH-24061)" This reverts commit 7c83eaa536d2f436ae46211ca48692f576c732f0.
* 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-99300: Use Py_NewRef() in Modules/ directory (#99469)Victor Stinner2022-11-141-12/+6
| | | | Replace Py_INCREF() and Py_XINCREF() with Py_NewRef() and Py_XNewRef() in test C files of the Modules/ directory.
* gh-99426: Use PyUnicode_FromFormat() and PyErr_Format() instead of sprintf ↵Serhiy Storchaka2022-11-141-3/+1
| | | | (GH-99427)
* Correct some typos in comments (GH-98194)jonasdlindner2022-11-061-1/+1
| | | Automerge-Triggered-By: GH:AlexWaygood
* gh-95853: Address wasm build and test issues (GH-95985)Christian Heimes2022-08-151-1/+1
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* gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938)Victor Stinner2022-06-191-1/+0
| | | | | | | | | | | | | | | | 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-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.
* gh-91731: Replace Py_BUILD_ASSERT() with static_assert() (#91730)Victor Stinner2022-04-201-1/+3
| | | | | | | | | | | | Python 3.11 now uses C11 standard which adds static_assert() to <assert.h>. * In pytime.c, replace Py_BUILD_ASSERT() with preprocessor checks on SIZEOF_TIME_T with #error. * On macOS, py_mach_timebase_info() now accepts timebase members with the same size than _PyTime_t. * py_get_monotonic_clock() now saturates GetTickCount64() to _PyTime_MAX: GetTickCount64() is unsigned, whereas _PyTime_t is signed.
* bpo-46541: Remove usage of _Py_IDENTIFIER from pyexpat (GH-31468)Dong-hee Na2022-02-211-4/+8
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* bpo-46541: Replace core use of _Py_IDENTIFIER() with statically initialized ↵Eric Snow2022-02-081-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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-45321: Add missing error codes to module `xml.parsers.expat.errors` ↵Sebastian Pipping2021-12-311-49/+91
| | | | | | | | | (GH-30188) The idea is to ensure that module `xml.parsers.expat.errors` contains all known error codes and messages, even when CPython is compiled or run with an outdated version of libexpat. https://bugs.python.org/issue45321
* bpo-45329: Fix freed memory access in pyexpat.c (GH-28649)TAGAMI Yukihiro2021-10-021-1/+1
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* bpo-43908: Make heap types converted during 3.10 alpha immutable (GH-26351)Erlend Egeberg Aasland2021-06-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Make functools types immutable * Multibyte codec types are now immutable * pyexpat.xmlparser is now immutable * array.arrayiterator is now immutable * _thread types are now immutable * _csv types are now immutable * _queue.SimpleQueue is now immutable * mmap.mmap is now immutable * unicodedata.UCD is now immutable * sqlite3 types are now immutable * _lsprof.Profiler is now immutable * _overlapped.Overlapped is now immutable * _operator types are now immutable * winapi__overlapped.Overlapped is now immutable * _lzma types are now immutable * _bz2 types are now immutable * _dbm.dbm and _gdbm.gdbm are now immutable
* bpo-42972: Fully support GC for pyexpat, unicodedata, and dbm/gdbm heap ↵Erlend Egeberg Aasland2021-05-271-21/+18
| | | | | | | types (GH-26376) * bpo-42972: pyexpat * bpo-42972: unicodedata * bpo-42972: dbm/gdbm
* bpo-43916: Apply Py_TPFLAGS_DISALLOW_INSTANTIATION to selected types (GH-25748)Erlend Egeberg Aasland2021-04-301-1/+2
| | | | | | | | | | | | | | | | | | | | | Apply Py_TPFLAGS_DISALLOW_INSTANTIATION to the following types: * _dbm.dbm * _gdbm.gdbm * _multibytecodec.MultibyteCodec * _sre..SRE_Scanner * _thread._localdummy * _thread.lock * _winapi.Overlapped * array.arrayiterator * functools.KeyWrapper * functools._lru_list_elem * pyexpat.xmlparser * re.Match * re.Pattern * unicodedata.UCD * zlib.Compress * zlib.Decompress
* bpo-1635741: Port pyexpat to multi-phase init (PEP 489) (GH-22222)Mohamed Koubaa2021-01-041-95/+127
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* bpo-41798: pyexpat: Allocate the expat_CAPI on the heap memory (GH-24061)Hai Shi2021-01-031-27/+40
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* bpo-1635741: Fix PyInit_pyexpat() error handling (GH-22489)Mohamed Koubaa2020-11-041-189/+299
| | | | Split PyInit_pyexpat() into sub-functions and fix reference leaks on error paths.
* bpo-42152: Use PyDict_Contains and PyDict_SetDefault if appropriate. (GH-22986)Serhiy Storchaka2020-10-261-9/+1
| | | | | | | If PyDict_GetItemWithError is only used to check whether the key is in dict, it is better to use PyDict_Contains instead. And if it is used in combination with PyDict_SetItem, PyDict_SetDefault can replace the combination.
* bpo-40268: Remove unused structmember.h includes (GH-19530)Victor Stinner2020-04-151-1/+1
| | | | | | If only offsetof() is needed: include stddef.h instead. When structmember.h is used, add a comment explaining that PyMemberDef is used.
* bpo-39943: Add the const qualifier to pointers on non-mutable PyUnicode ↵Serhiy Storchaka2020-04-111-1/+1
| | | | data. (GH-19345)
* bpo-39245: Switch to public API for Vectorcall (GH-18460)Petr Viktorin2020-02-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The bulk of this patch was generated automatically with: for name in \ PyObject_Vectorcall \ Py_TPFLAGS_HAVE_VECTORCALL \ PyObject_VectorcallMethod \ PyVectorcall_Function \ PyObject_CallOneArg \ PyObject_CallMethodNoArgs \ PyObject_CallMethodOneArg \ ; do echo $name git grep -lwz _$name | xargs -0 sed -i "s/\b_$name\b/$name/g" done old=_PyObject_FastCallDict new=PyObject_VectorcallDict git grep -lwz $old | xargs -0 sed -i "s/\b$old\b/$new/g" and then cleaned up: - Revert changes to in docs & news - Revert changes to backcompat defines in headers - Nudge misaligned comments
* bpo-38392: PyObject_GC_Track() validates object in debug mode (GH-16615)Victor Stinner2019-10-071-2/+3
| | | | | | | | In debug mode, PyObject_GC_Track() now calls tp_traverse() of the object type to ensure that the object is valid: test that objects visited by tp_traverse() are valid. Fix pyexpat.c: only track the parser in the GC once the parser is fully initialized.
* bpo-37206: Unrepresentable default values no longer represented as None. ↵Serhiy Storchaka2019-09-141-3/+3
| | | | | | | (GH-13933) In ArgumentClinic, value "NULL" should now be used only for unrepresentable default values (like in the optional third parameter of getattr). "None" should be used if None is accepted as argument and passing None has the same effect as not passing the argument at all.
* bpo-37994: Fix silencing all errors if an attribute lookup fails. (GH-15630)Serhiy Storchaka2019-09-011-1/+3
| | | Only AttributeError should be silenced.
* bpo-29548: no longer use PyEval_Call* functions (GH-14683)Jeroen Demeyer2019-07-111-1/+1
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* bpo-37483: add _PyObject_CallOneArg() function (#14558)Jeroen Demeyer2019-07-041-1/+1
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* bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async ↵Jeroen Demeyer2019-05-311-2/+2
| | | | | | | | | (GH-13464) Automatically replace tp_print -> tp_vectorcall_offset tp_compare -> tp_as_async tp_reserved -> tp_as_async
* bpo-35459: Use PyDict_GetItemWithError() instead of PyDict_GetItem(). (GH-11112)Serhiy Storchaka2019-02-251-11/+19
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* bpo-9566: Fix compiler warnings in pyexpat.c (GH-10654)Victor Stinner2018-11-221-2/+4
| | | | | | | | | | Explicit cast a pointer difference (intptr_t) to int to fix two warnings on 64-bit Windows: Modules\pyexpat.c(1181): warning C4244: 'initializing': conversion from '__int64' to 'int', possible loss of data Modules\pyexpat.c(1192): warning C4244: 'initializing': conversion from '__int64' to 'int', possible loss of data
* bpo-34741: Get rid of tp_getattro and tp_setattro in pyexpat.xmlparser. ↵Serhiy Storchaka2018-10-191-327/+268
| | | | | | (GH-9422) Use tp_members and tp_getset instead.
* Fix several reference counting bugs in pyexpat.c. (GH-9955)Zackery Spytz2018-10-191-4/+8
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* bpo-34623: Use XML_SetHashSalt in _elementtree (GH-9146)Christian Heimes2018-09-181-0/+5
| | | | | | | | | | The C accelerated _elementtree module now initializes hash randomization salt from _Py_HashSecret instead of libexpat's default CPRNG. Signed-off-by: Christian Heimes <christian@python.org> https://bugs.python.org/issue34623
* bpo-28411: Support other mappings in PyInterpreterState.modules. (#3593)Eric Snow2017-09-151-8/+2
| | | | | The concrete PyDict_* API is used to interact with PyInterpreterState.modules in a number of places. This isn't compatible with all dict subclasses, nor with other Mapping implementations. This patch switches the concrete API usage to the corresponding abstract API calls. We also add a PyImport_GetModule() function (and some other helpers) to reduce a bunch of code duplication.
* bpo-31404: Revert "remove modules from Py_InterpreterState (#1638)" (#3565)Eric Snow2017-09-141-2/+8
| | | PR #1638, for bpo-28411, causes problems in some (very) edge cases. Until that gets sorted out, we're reverting the merge. PR #3506, a fix on top of #1638, is also getting reverted.
* bpo-28411: Remove "modules" field from Py_InterpreterState. (#1638)Eric Snow2017-09-041-8/+2
| | | sys.modules is the one true source.
* bpo-29591: Upgrade Modules/expat to libexpat 2.2 (#2164)Victor Stinner2017-06-141-4/+2
| | | | | | | | | | | | | | | | | | | | | * bpo-29591: Upgrade Modules/expat to libexpat 2.2 * bpo-29591: Restore Python changes on expat * bpo-29591: Remove expat config of unsupported platforms Remove the configuration (Modules/expat/*config.h) of unsupported platforms: * Amiga * MacOS Classic on PPC32 * Open Watcom * bpo-29591: Remove useless XML_HAS_SET_HASH_SALT The XML_HAS_SET_HASH_SALT define of Modules/expat/expat.h became useless since our local expat copy was upgrade to expat 2.1 (it's now expat 2.2.0).
* bpo-24037: Add Argument Clinic converter `bool(accept={int})`. (#485)Serhiy Storchaka2017-03-121-2/+2
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* bpo-29768: Fixed compile-time check for expat version. (#574)Serhiy Storchaka2017-03-091-1/+1
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* Removed redundant Argument Clinic directives.Serhiy Storchaka2017-02-041-5/+0
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* Issue #28999: Use Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE whereverSerhiy Storchaka2017-01-231-8/+4
| | | | possible. Patch is writen with Coccinelle.
* Issue #28858: Remove _PyObject_CallArg1() macroVictor Stinner2016-12-051-1/+1
| | | | | | | | | | | Replace _PyObject_CallArg1(func, arg) with PyObject_CallFunctionObjArgs(func, arg, NULL) Using the _PyObject_CallArg1() macro increases the usage of the C stack, which was unexpected and unwanted. PyObject_CallFunctionObjArgs() doesn't have this issue.
* Replace PyObject_CallFunction() with fastcallVictor Stinner2016-12-011-1/+1
| | | | | | | | | | | | | | | | | Replace PyObject_CallFunction(func, "O", arg) and PyObject_CallFunction(func, "O", arg, NULL) with _PyObject_CallArg1(func, arg) Replace PyObject_CallFunction(func, NULL) with _PyObject_CallNoArg(func) _PyObject_CallNoArg() and _PyObject_CallArg1() are simpler and don't allocate memory on the C stack.
* Issue #28701: Replace PyUnicode_CompareWithASCIIString with ↵Serhiy Storchaka2016-11-161-22/+21
|\ | | | | | | | | | | _PyUnicode_EqualToASCIIString. The latter function is more readable, faster and doesn't raise exceptions.
| * Issue #28701: Replace PyUnicode_CompareWithASCIIString with ↵Serhiy Storchaka2016-11-161-22/+21
| | | | | | | | | | | | _PyUnicode_EqualToASCIIString. The latter function is more readable, faster and doesn't raise exceptions.
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