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* gh-57684: Add -P cmdline option and PYTHONSAFEPATH env var (#31542)Victor Stinner2022-05-051-0/+1
| | | | | | | | | | | | Add the -P command line option and the PYTHONSAFEPATH environment variable to not prepend a potentially unsafe path to sys.path. * Add sys.flags.safe_path flag. * Add PyConfig.safe_path member. * Programs/_bootstrap_python.c uses config.safe_path=0. * Update subprocess._optim_args_from_interpreter_flags() to handle the -P command line option. * Modules/getpath.py sets safe_path to 1 if a "._pth" file is present.
* gh-89653: PEP 670: Convert PyCFunction macros to functions (#92302)Victor Stinner2022-05-051-24/+56
| | | | | | | | | | Convert the following macros to static inline functions: * PyCFunction_GET_CLASS() * PyCFunction_GET_FLAGS() * PyCFunction_GET_FUNCTION() * PyCFunction_GET_SELF() Limited C API version 3.11 no longer casts arguments.
* gh-91321: Add _Py_NULL macro (#92253)Victor Stinner2022-05-032-12/+12
| | | | | | | | Fix C++ compiler warnings: "zero as null pointer constant" (clang -Wzero-as-null-pointer-constant). * Add the _Py_NULL macro used by static inline functions to use nullptr in C++. * Replace NULL with nullptr in _testcppext.cpp.
* gh-91320: Fix more old-style cast warnings in C++ (#92247)Victor Stinner2022-05-032-16/+17
| | | | | | | Use _Py_CAST(), _Py_STATIC_CAST() and _PyASCIIObject_CAST() in static inline functions to fix C++ compiler warnings: "use of old-style cast" (clang -Wold-style-cast). test_cppext now builds the C++ test extension with -Wold-style-cast.
* gh-89653: PEP 670: Convert PyBytes macros to functions (#91990)Victor Stinner2022-05-032-10/+43
| | | | | | | | | | | | Convert the following macros to static inline functions: * PyByteArray_AS_STRING() * PyByteArray_GET_SIZE() * PyBytes_AS_STRING() * PyBytes_GET_SIZE() Limited C API version 3.11 no longer casts arguments. Add _PyBytes_CAST() and _PyByteArray_CAST() macros.
* gh-92135: Rename _Py_reinterpret_cast() to _Py_CAST() (#92230)Victor Stinner2022-05-035-8/+8
| | | Rename also _Py_static_cast() to _Py_STATIC_CAST().
* gh-92154: Expose PyCode_GetCode in the C API (GH-92168)Ken Jin2022-05-031-0/+3
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* gh-91320: Add _Py_reinterpret_cast() macro (#91959)Victor Stinner2022-04-275-8/+16
| | | | | | | | | | | | | | Fix C++ compiler warnings about "old-style cast" (g++ -Wold-style-cast) in the Python C API. Use C++ reinterpret_cast<> and static_cast<> casts when the Python C API is used in C++. Example of fixed warning: Include/object.h:107:43: error: use of old-style cast to ‘PyObject*’ {aka ‘struct _object*’} [-Werror=old-style-cast] #define _PyObject_CAST(op) ((PyObject*)(op)) Add _Py_reinterpret_cast() and _Py_static_cast() macros.
* gh-89653: PEP 670: Functions don't cast pointers (#91697)Victor Stinner2022-04-251-17/+47
| | | | | | | | | | | | | | | | | | | | | In the limited C API version 3.11 and newer, the following functions no longer cast their object pointer argument with _PyObject_CAST() or _PyObject_CAST_CONST(): * Py_REFCNT(), Py_TYPE(), Py_SIZE() * Py_SET_REFCNT(), Py_SET_TYPE(), Py_SET_SIZE() * Py_IS_TYPE() * Py_INCREF(), Py_DECREF() * Py_XINCREF(), Py_XDECREF() * Py_NewRef(), Py_XNewRef() * PyObject_TypeCheck() * PyType_Check() * PyType_CheckExact() Split Py_DECREF() implementation in 3 versions to make the code more readable. Update the xxlimited.c extension, which uses the limited C API version 3.11, to pass PyObject* to these functions.
* gh-80527: Deprecate PEP 623 Unicode functions (#91801)Victor Stinner2022-04-221-5/+11
| | | | | | | | | | | Deprecate functions: * PyUnicode_AS_DATA() * PyUnicode_AS_UNICODE() * PyUnicode_GET_DATA_SIZE() * PyUnicode_GET_SIZE() Previously, these functions were macros and so it wasn't possible to decorate them with Py_DEPRECATED().
* gh-89653: Add assertions to unicodeobject.h functions (#91800)Victor Stinner2022-04-211-0/+7
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* gh-89653: PEP 670: Convert unicodeobject.h macros to functions (#91799)Victor Stinner2022-04-211-18/+44
| | | | | | | | | | | | Convert unicodeobject.h macros to static inline functions: * PyUnicode_AS_DATA() * PyUnicode_AS_UNICODE() * PyUnicode_GET_DATA_SIZE() * PyUnicode_GET_SIZE() Static inline functions are wrapped by macros which casts arguments with _PyObject_CAST() to prevent introducing new compiler warnings when passing "const PyObject*".
* gh-79315: Add Include/cpython/pythread.h header (#91798)Victor Stinner2022-04-211-0/+39
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* gh-79315: Add Include/cpython/modsupport.h header (#91797)Victor Stinner2022-04-211-0/+107
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* gh-89653: PEP 670: Group deprecated API in unicodeobject.h (#91796)Victor Stinner2022-04-211-56/+58
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* gh-89653: PEP 670: Convert unicodeobject.h macros to functions (#91773)Victor Stinner2022-04-211-57/+74
| | | | | | | | | | | | | | | | | Convert unicodeobject.h macros to static inline functions: * PyUnicode_MAX_CHAR_VALUE() * PyUnicode_READ() * PyUnicode_READY() * PyUnicode_READ_CHAR() * PyUnicode_WRITE() Move PyUnicode_READY() after _PyUnicode_Ready(), since it uses _PyUnicode_Ready(). Static inline functions are wrapped by macros which casts arguments with _PyObject_CAST() and casts 'kind' arguments to "unsigned int" to prevent introducing new compiler warnings when passing "const PyObject*".
* GH-91719: Make MSVC generate somewhat faster switch code (#91718)Guido van Rossum2022-04-211-1/+1
| | | | | | | | | | | Apparently a switch on an 8-bit quantity where all cases are present generates a more efficient jump (doing only one indexed memory load instead of two). So we make opcode and use_tracing uint8_t, and generate a macro full of extra `case NNN:` lines for all unused opcodes. See https://github.com/faster-cpython/ideas/issues/321#issuecomment-1103263673
* GH-88116: Use a compact format to represent end line and column offsets. ↵Mark Shannon2022-04-211-13/+19
| | | | | | | | | | | | (GH-91666) * Stores all location info in linetable to conform to PEP 626. * Remove column table from code objects. * Remove end-line table from code objects. * Document new location table format
* gh-89653: PEP 670: Convert tuple macros to functions (#91786)Victor Stinner2022-04-212-11/+29
| | | | | | | | | | | | | | Convert macros to static inline functions: * PyTuple_GET_SIZE() * PyTuple_SET_ITEM() * PyList_GET_SIZE() * PyList_SET_ITEM() Add a macro converting arguments to PyTupleObject*, PyListObject* or PyObject* to prevent emitting new compiler warnings. According to PEP 670, PyTuple_GET_ITEM() and PyList_GET_ITEM() are left as macros.
* gh-89653: PEP 670: Convert PyWeakref_GET_OBJECT() to function (#91785)Victor Stinner2022-04-211-10/+16
| | | | | | Convert the PyWeakref_GET_OBJECT() macro to a static inline function. Add an assertion to check the argument with PyWeakref_Check(). Add a macro converting the argument to PyObject* to prevent emitting new compiler warning.
* gh-89653: PEP 670: Convert unicodeobject.h macros to functions (#91705)Victor Stinner2022-04-211-41/+61
| | | | | | | | | | | | | | | | | | Convert unicodeobject.h macros to static inline functions: * PyUnicode_CHECK_INTERNED() * PyUnicode_DATA(), _PyUnicode_COMPACT_DATA(), _PyUnicode_NONCOMPACT_DATA() * PyUnicode_GET_LENGTH() * PyUnicode_IS_ASCII() * PyUnicode_IS_COMPACT() * PyUnicode_IS_COMPACT_ASCII() * PyUnicode_IS_READY() Reorder functions to declare functions before their first usage. Static inline functions are wrapped by macros which casts arguments with _PyObject_CAST() to prevent introducing new compiler warnings when passing "const PyObject*".
* gh-89770: Implement PEP-678 - Exception notes (GH-31317)Irit Katriel2022-04-161-1/+1
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* gh-90501: Add PyErr_GetHandledException and PyErr_SetHandledException (GH-30531)Irit Katriel2022-04-151-0/+2
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* gh-91502: Add a new API to check if a frame is an entry frame (GH-91503)Pablo Galindo Salgado2022-04-131-0/+10
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* Add new PyFrame_GetLasti C-API function (GH-32413)Mark Shannon2022-04-081-0/+1
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* bpo-35134: Remove the Include/code.h header file (GH-32385)Victor Stinner2022-04-071-2/+13
| | | | | | 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-35134: Add Include/cpython/setobject.h header (GH-32384)Victor Stinner2022-04-061-0/+67
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* bpo-35134: Add Include/cpython/complexobject.h header (GH-32383)Victor Stinner2022-04-061-0/+44
| | | | Move the private _PyComplex_FormatAdvancedWriter() function to the internal C API. This function is no longer exported.
* Revert "bpo-46850: Move _PyEval_EvalFrameDefault() to internal C API ↵Victor Stinner2022-04-062-0/+12
| | | | | | | | | | | (GH-32052)" (GH-32343) * Revert "bpo-46850: Move _PyInterpreterState_SetEvalFrameFunc() to internal C API (GH-32054)" This reverts commit f877b40e3f7e0d97878884d80fbec879a85ab7e8. * Revert "bpo-46850: Move _PyEval_EvalFrameDefault() to internal C API (GH-32052)" This reverts commit b9a5522dd952125a99ff554f01f311cae25f5a91.
* bpo-46850: Move _PyInterpreterState_SetEvalFrameFunc() to internal C API ↵Victor Stinner2022-04-011-10/+0
| | | | | | | | | | | (GH-32054) Move the private _PyFrameEvalFunction type, and private _PyInterpreterState_GetEvalFrameFunc() and _PyInterpreterState_SetEvalFrameFunc() functions to the internal C API. The _PyFrameEvalFunction callback function type now uses the _PyInterpreterFrame type which is part of the internal C API. Update the _PyFrameEvalFunction documentation.
* bpo-46850: Move _PyEval_EvalFrameDefault() to internal C API (GH-32052)Victor Stinner2022-04-011-2/+0
| | | | | Move the private undocumented _PyEval_EvalFrameDefault() function to the internal C API. The function now uses the _PyInterpreterFrame type which is part of the internal C API.
* bpo-40421: Add missing getters for frame object attributes to C-API. (GH-32114)Mark Shannon2022-03-311-0/+5
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* bpo-47164: Add _PyCFunctionObject_CAST() macr (GH-32190)Victor Stinner2022-03-311-6/+11
| | | | | | | | Add _PyCFunctionObject_CAST() and _PyCMethodObject_CAST() macros to make macros casting their argument easier to read, but also to check the type of their input in debug mode: assert(PyCFunction_Check(func) and assert(PyCMethod_Check(func). Reformat also PyCFunction_XXX() macros for readability.
* bpo-47164: Add _PyASCIIObject_CAST() macro (GH-32191)Victor Stinner2022-03-311-33/+34
| | | | | | | | | | | | 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-42197: Don't create `f_locals` dictionary unless we actually need it. ↵Mark Shannon2022-03-251-0/+1
| | | | | | | | | | | (GH-32055) * `PyFrame_FastToLocalsWithError` and `PyFrame_LocalsToFast` are no longer called during profile and tracing. (Contributed by Fabio Zadrozny) * Make accesses to a frame's `f_locals` safe from C code, not relying on calls to `PyFrame_FastToLocals` or `PyFrame_LocalsToFast`. * Document new `PyFrame_GetLocals` C-API function.
* bpo-47045: Remove `f_state` field (GH-31963)Mark Shannon2022-03-222-1/+2
| | | | | * Remove the f_state field from _PyInterpreterFrame * Make ownership of the frame explicit, replacing the is_generator field with an owner field.
* bpo-46841: Quicken code in-place (GH-31888)Brandt Bucher2022-03-211-83/+74
| | | | | | | | | | | | | | | | | | | * Moves the bytecode to the end of the corresponding PyCodeObject, and quickens it in-place. * Removes the almost-always-unused co_varnames, co_freevars, and co_cellvars member caches * _PyOpcode_Deopt is a new mapping from all opcodes to their un-quickened forms. * _PyOpcode_InlineCacheEntries is renamed to _PyOpcode_Caches * _Py_IncrementCountAndMaybeQuicken is renamed to _PyCode_Warmup * _Py_Quicken is renamed to _PyCode_Quicken * _co_quickened is renamed to _co_code_adaptive (and is now a read-only memoryview). * Do not emit unused nonzero opargs anymore in the compiler.
* bpo-46850: Remove _PyEval_CallTracing() function (GH-32019)Victor Stinner2022-03-211-2/+0
| | | | Remove the private undocumented function _PyEval_CallTracing() from the C API. Call the public sys.call_tracing() function instead.
* bpo-46850: Remove _PyEval_GetCoroutineOriginTrackingDepth() (GH-32018)Victor Stinner2022-03-211-1/+0
| | | | | | | | | | | | | | | Remove the private undocumented function _PyEval_GetCoroutineOriginTrackingDepth() from the C API. Call the public sys.get_coroutine_origin_tracking_depth() function instead. Change the internal function _PyEval_SetCoroutineOriginTrackingDepth(): * Remove the 'tstate' parameter; * Add return value and raises an exception if depth is negative; * No longer export the function: call the public sys.set_coroutine_origin_tracking_depth() function instead. Uniformize also function declarations in pycore_ceval.h.
* bpo-46850: Remove _PyEval_SetAsyncGenFinalizer() (GH-32017)Victor Stinner2022-03-211-4/+0
| | | | | | | | | | | Remove the following private undocumented functions from the C API: * _PyEval_GetAsyncGenFirstiter() * _PyEval_GetAsyncGenFinalizer() * _PyEval_SetAsyncGenFirstiter() * _PyEval_SetAsyncGenFinalizer() Call the public sys.get_asyncgen_hooks() and sys.set_asyncgen_hooks() functions instead.
* bpo-45786: Remove _PyFrame_Fini() and _PyFrame_DebugMallocStats() (GH-31874)Victor Stinner2022-03-181-2/+0
| | | | Remove private empty _PyFrame_Fini() and _PyFrame_DebugMallocStats() functions.
* bpo-46987: Remove _PySys_GetObjectId / _PySys_GetObjectId (GH-31835)Dong-hee Na2022-03-141-2/+0
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* bpo-46841: Add a _Py_SET_OPCODE macro (GH-31780)Brandt Bucher2022-03-121-0/+3
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* bpo-46906: Add PyFloat_Pack8() to the C API (GH-31657)Victor Stinner2022-03-111-0/+9
| | | | | | | | | | | | | | | | | | | | | | Add new functions to pack and unpack C double (serialize and deserialize): * PyFloat_Pack2(), PyFloat_Pack4(), PyFloat_Pack8() * PyFloat_Unpack2(), PyFloat_Unpack4(), PyFloat_Unpack8() Document these functions and add unit tests. Rename private functions and move them from the internal C API to the public C API: * _PyFloat_Pack2() => PyFloat_Pack2() * _PyFloat_Pack4() => PyFloat_Pack4() * _PyFloat_Pack8() => PyFloat_Pack8() * _PyFloat_Unpack2() => PyFloat_Unpack2() * _PyFloat_Unpack4() => PyFloat_Unpack4() * _PyFloat_Unpack8() => PyFloat_Unpack8() Replace the "unsigned char*" type with "char*" which is more common and easy to use.
* bpo-46841: Use inline caching for calls (GH-31709)Brandt Bucher2022-03-071-1/+1
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* bpo-46864: Deprecate PyBytesObject.ob_shash. (GH-31598)Inada Naoki2022-03-061-1/+1
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* bpo-46848: Move _PyBytes_Find() to internal C API (GH-31642)Victor Stinner2022-03-021-19/+0
| | | | | | 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/+19
| | | Speed up mmap.find(). Add _PyBytes_Find() and _PyBytes_ReverseFind().
* bpo-46841: Use inline cache for `BINARY_SUBSCR`. (GH-31618)Mark Shannon2022-03-011-0/+8
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* bpo-45431: Rename CFrame to _PyCFrame in the C API (GH-31584)Victor Stinner2022-02-281-6/+8
| | | | | | Rename also struct _cframe to struct _PyCFrame. Add a comment suggesting using public functions rather than using directly the private _PyCFrame structure.
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