| Commit message (Collapse) | Author | Age | Files | Lines |
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Py_TRASHCAN_BEGIN_CONDITION and Py_TRASHCAN_END macro no longer
access PyThreadState attributes, but call new private
_PyTrash_begin() and _PyTrash_end() functions which hide
implementation details.
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Move the static inline function flavor of Py_EnterRecursiveCall() and
Py_LeaveRecursiveCall() to the internal C API: they access
PyThreadState attributes. The limited C API provides regular
functions which hide implementation details.
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Co-authored-by: Victor Stinner <vstinner@python.org>
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Remove redundant check on Py_TYPE() value: it's already checked
inside _PyType_CheckConsistency().
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Avoid duplicated code:
* PyObject_Init() uses PyObject_INIT()
* PyObject_InitVar() uses PyObject_INIT_VAR()
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deprecation warning (GH-13195)
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Add Py_SET_SIZE() function to set the size of an object.
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Replace direct acccess to PyVarObject.ob_size with usage of the
Py_SIZE() macro.
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Add Py_SET_TYPE() function to set the type of an object.
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Replace direct access to PyObject.ob_type with Py_TYPE().
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Add a Py_SET_REFCNT() function to set the reference counter of an
object.
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Replace direct acccess to PyObject.ob_refcnt with usage of the
Py_REFCNT() macro.
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_Py_AddToAllObjects() is used in bltinmodule.c and typeobject.c when
Py_TRACE_REFS is defined.
Fix Py_TRACE_REFS build.
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In the limited C API, PyObject_INIT() and PyObject_INIT_VAR() are now
defined as aliases to PyObject_Init() and PyObject_InitVar() to make
their implementation opaque. It avoids to leak implementation details
in the limited C API.
Exclude the following functions from the limited C API, move them
from object.h to cpython/object.h:
* _Py_NewReference()
* _Py_ForgetReference()
* _PyTraceMalloc_NewReference()
* _Py_GetRefTotal()
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The macro is defined after Py_DECREF() and so is no longer used by
Py_DECREF().
Moving _Py_Dealloc() macro back from cpython/object.h to object.h
would require to move a lot of definitions as well: PyTypeObject and
many related types used by PyTypeObject.
Keep _Py_Dealloc() as an opaque function call to avoid leaking
implementation details in the limited C API (object.h): remove
_Py_Dealloc() macro from cpython/object.h.
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_Py_NewReference() becomes a regular opaque function, rather than a
static inline function in the C API (object.h), to better hide
implementation details.
Move _Py_tracemalloc_config from public pymem.h to internal
pycore_pymem.h header.
Make _Py_AddToAllObjects() private.
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* Remove _Py_INC_REFTOTAL and _Py_DEC_REFTOTAL macros: modify
directly _Py_RefTotal.
* _Py_ForgetReference() is no longer defined if the Py_TRACE_REFS
macro is not defined.
* Remove _Py_NewReference() implementation from object.c:
unify the two implementations in object.h inline function.
* Fix Py_TRACE_REFS build: _Py_INC_TPALLOCS() macro has been removed.
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Remove:
* COUNT_ALLOCS macro
* sys.getcounts() function
* SHOW_ALLOC_COUNT code in listobject.c
* SHOW_TRACK_COUNT code in tupleobject.c
* PyConfig.show_alloc_count field
* -X showalloccount command line option
* @test.support.requires_type_collecting decorator
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Add _Py_NO_RETURN to functions calling Py_FatalError():
* _PyObject_AssertFailed()
* dummy_dealloc()
* faulthandler_fatal_error_thread()
* none_dealloc()
* notimplemented_dealloc()
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Rename init_slotdefs() to _PyTypes_InitSlotDefs() and add a return
value of type PyStatus. The function is now called exactly once from
_PyTypes_Init(). Replace calls to init_slotdefs() with an assertion
checking that slotdefs is initialized.
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Replace Py_FatalError() with _PyObject_ASSERT_FAILED_MSG() in
object.c and typeobject.c to also dump the involved Python object on
a fatal error. It should ease debug when such fatal error occurs.
If the double linked list is inconsistent, _Py_ForgetReference() no
longer dumps previous and next objects in the fatal error, it now
only dumps the current object. It ensures that the error message
is displayed even if dumping the object does crash Python.
Enhance _Py_ForgetReference() error messages;
_PyObject_ASSERT_FAILED_MSG() logs the "_Py_ForgetReference" function
name.
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(tp->tp_next != NULL) check became redundant with
commit 45294a9562e5c360ee8ef8498d8792e05a6eb25e (merged in 2006).
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* Rename _PyGC_InitializeRuntime() to _PyGC_InitState()
* finalize_interp_clear() now also calls _PyGC_Fini() in
subinterpreters (clear the GC state).
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Additional note: the `method_check_args` function in `Objects/descrobject.c` is written in such a way that it applies to all kinds of descriptors. In particular, a future re-implementation of `wrapper_descriptor` could use that code.
CC @vstinner @encukou
https://bugs.python.org/issue37645
Automerge-Triggered-By: @encukou
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* Add _Py_EnterRecursiveCall() and _Py_LeaveRecursiveCall() which
require a tstate argument.
* Pass tstate to _Py_MakeRecCheck() and _Py_CheckRecursiveCall().
* Convert Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() macros
to static inline functions.
_PyThreadState_GET() is the most efficient way to get the tstate, and
so using it with _Py_EnterRecursiveCall() and
_Py_LeaveRecursiveCall() should be a little bit more efficient than
using Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() which use
the "slower" PyThreadState_GET().
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(GH-16630)
Some objects like Py_None are not initialized with conventional means
that prepare the circular linked list pointers, leaving them unlinked
from the rest of the objects. For those objects, NULL pointers does
not mean that they are freed, so we need to skip the check in those
cases.
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Add a newline between the verbose object dump and the Py_FatalError()
logs for readability.
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bpo-36389, bpo-38376: The _PyObject_CheckConsistency() function is
now also available in release mode. For example, it can be used to
debug a crash in the visit_decref() function of the GC.
Modify the following functions to also work in release mode:
* _PyDict_CheckConsistency()
* _PyObject_CheckConsistency()
* _PyType_CheckConsistency()
* _PyUnicode_CheckConsistency()
Other changes:
* _PyMem_IsPtrFreed(ptr) now also returns 1 if ptr is NULL
(equals to 0).
* _PyBytesWriter_CheckConsistency() now returns 1 and is only used
with assert().
* Reorder _PyObject_Dump() to write safe fields first, and only
attempt to render repr() at the end.
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_PyObject_Dump() now dumps the object address for freed objects and
objects with ob_type=NULL.
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* Fix typos in comments, docs and test names
* Update test_pyparse.py
account for change in string length
* Apply suggestion: splitable -> splittable
Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu>
* Apply suggestion: splitable -> splittable
Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu>
* Apply suggestion: Dealloccte -> Deallocate
Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu>
* Update posixmodule checksum.
* Reverse idlelib changes.
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(GH-13464)
Automatically replace
tp_print -> tp_vectorcall_offset
tp_compare -> tp_as_async
tp_reserved -> tp_as_async
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(GH-4944)
It is now allowed to add new fields at the end of the PyTypeObject struct without having to allocate a dedicated compatibility flag in tp_flags.
This will reduce the risk of running out of bits in the 32-bit tp_flags value.
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Co-authored-by: Mark Shannon <mark@hotpy.org>
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* Add a whole new documentation page:
"Python Initialization Configuration"
* PyWideStringList_Append() return type is now PyStatus,
instead of int
* PyInterpreterState_New() now calls PyConfig_Clear() if
PyConfig_InitPythonConfig() fails.
* Rename files:
* Python/coreconfig.c => Python/initconfig.c
* Include/cpython/coreconfig.h => Include/cpython/initconfig.h
* Include/internal/: pycore_coreconfig.h => pycore_initconfig.h
* Rename structures
* _PyCoreConfig => PyConfig
* _PyPreConfig => PyPreConfig
* _PyInitError => PyStatus
* _PyWstrList => PyWideStringList
* Rename PyConfig fields:
* use_module_search_paths => module_search_paths_set
* module_search_path_env => pythonpath_env
* Rename PyStatus field: _func => func
* PyInterpreterState: rename core_config field to config
* Rename macros and functions:
* _PyCoreConfig_SetArgv() => PyConfig_SetBytesArgv()
* _PyCoreConfig_SetWideArgv() => PyConfig_SetArgv()
* _PyCoreConfig_DecodeLocale() => PyConfig_SetBytesString()
* _PyInitError_Failed() => PyStatus_Exception()
* _Py_INIT_ERROR_TYPE_xxx enums => _PyStatus_TYPE_xxx
* _Py_UnixMain() => Py_BytesMain()
* _Py_ExitInitError() => Py_ExitStatusException()
* _Py_PreInitializeFromArgs() => Py_PreInitializeFromBytesArgs()
* _Py_PreInitializeFromWideArgs() => Py_PreInitializeFromArgs()
* _Py_PreInitialize() => Py_PreInitialize()
* _Py_RunMain() => Py_RunMain()
* _Py_InitializeFromConfig() => Py_InitializeFromConfig()
* _Py_INIT_XXX() => _PyStatus_XXX()
* _Py_INIT_FAILED() => _PyStatus_EXCEPTION()
* Rename 'err' PyStatus variables to 'status'
* Convert RUN_CODE() macro to config_run_code() static inline function
* Remove functions:
* _Py_InitializeFromArgs()
* _Py_InitializeFromWideArgs()
* _PyInterpreterState_GetCoreConfig()
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Adds sys.audit, sys.addaudithook, io.open_code, and associated C APIs.
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* Add _PyInitError functions:
* _PyInitError_Ok()
* _PyInitError_Error()
* _PyInitError_NoMemory()
* _PyInitError_Exit()
* _PyInitError_IsError()
* _PyInitError_IsExit()
* _PyInitError_Failed()
* frozenmain.c and _testembed.c now use functions rather than macros.
* Move _Py_INIT_xxx() macros to the internal API.
* Move _PyWstrList_INIT macro to the internal API.
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In addition, fix some other minor violations of C99.
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https://bugs.python.org/issue36745
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Add a new _PyObject_CheckConsistency() function which can be used to
help debugging. The function is available in release mode.
Add a 'check_content' parameter to _PyDict_CheckConsistency().
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Modify CLEANBYTE, DEADDYTE and FORBIDDENBYTE constants: use 0xCD,
0xDD and 0xFD, rather than 0xCB, 0xBB and 0xFB, to use the same byte
patterns than Windows CRT debug malloc() and free().
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Replace _PyMem_IsFreed() function with _PyMem_IsPtrFreed() inline
function. The function is now way more efficient, it became a simple
comparison on integers, rather than a short loop. It detects also
uninitialized bytes and "forbidden bytes" filled by debug hooks
on memory allocators.
Add unit tests on _PyObject_IsFreed().
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* Incref heap-allocated types in PyObject_Init
* Add documentation and porting notes to What's New
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necessary). (gh-12359)
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_Py_AddPendingCall(). (GH-11617) (GH-12159)
* Revert "bpo-36097: Use only public C-API in the_xxsubinterpreters module (adding as necessary). (#12003)"
This reverts commit bcfa450f210074e16feb761ae5b3e966a2532fcf.
* Revert "bpo-33608: Simplify ceval's DISPATCH by hoisting eval_breaker ahead of time. (gh-12062)"
This reverts commit bda918bf65a88560ec453aaba0758a9c0d49b449.
* Revert "bpo-33608: Use _Py_AddPendingCall() in _PyCrossInterpreterData_Release(). (gh-12024)"
This reverts commit b05b711a2cef6c6c381e01069dedac372e0b9fb2.
* Revert "bpo-33608: Factor out a private, per-interpreter _Py_AddPendingCall(). (GH-11617)"
This reverts commit ef4ac967e2f3a9a18330cc6abe14adb4bc3d0465.
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necessary). (#12003)
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* Rename _PySys_BeginInit() to _PySys_InitCore().
* Rename _PySys_EndInit() to _PySys_InitMain().
* Add _PySys_Create(). It calls _PySys_InitCore() which becomes
private.
* Add _PySys_SetPreliminaryStderr().
* Rename _Py_ReadyTypes() to _PyTypes_Init().
* Misc code cleanup.
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