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bpo-39008: Require Py_ssize_t for PySys_Audit formats rather than raise a deprecation warning (GH-17540)

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Steve Dower 2019-12-09 11:05:39 -08:00 • committed by GitHub
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3 changed files with 12 additions and 1 deletions
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8
Doc/c-api/sys.rst
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@ -320,10 +320,18 @@ accessible to C code. They all work with the current interpreter thread's
arguments to this function will be consumed, using it may cause reference arguments to this function will be consumed, using it may cause reference
leaks.) leaks.)
Note that ``#`` format characters should always be treated as
``Py_ssize_t``, regardless of whether ``PY_SSIZE_T_CLEAN`` was defined.
:func:`sys.audit` performs the same function from Python code. :func:`sys.audit` performs the same function from Python code.
.. versionadded:: 3.8 .. versionadded:: 3.8
.. versionchanged:: 3.8.2
Require ``Py_ssize_t`` for ``#`` format characters. Previously, an
unavoidable deprecation warning was raised.
.. c:function:: int PySys_AddAuditHook(Py_AuditHookFunction hook, void *userData) .. c:function:: int PySys_AddAuditHook(Py_AuditHookFunction hook, void *userData)

3
Misc/NEWS.d/next/Core and Builtins/2019-12-09-10-38-51.bpo-39008.Rrp6f1.rst Normal file
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@ -0,0 +1,3 @@
:c:func:`PySys_Audit` now requires ``Py_ssize_t`` to be used for size
arguments in the format string, regardless of whethen ``PY_SSIZE_T_CLEAN``
was defined at include time.

2
Python/sysmodule.c
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@ -181,7 +181,7 @@ PySys_Audit(const char *event, const char *argFormat, ...)
if (argFormat && argFormat[0]) { if (argFormat && argFormat[0]) {
va_list args; va_list args;
va_start(args, argFormat); va_start(args, argFormat);
eventArgs = Py_VaBuildValue(argFormat, args); eventArgs = _Py_VaBuildValue_SizeT(argFormat, args);
va_end(args); va_end(args);
if (eventArgs && !PyTuple_Check(eventArgs)) { if (eventArgs && !PyTuple_Check(eventArgs)) {
PyObject *argTuple = PyTuple_Pack(1, eventArgs); PyObject *argTuple = PyTuple_Pack(1, eventArgs);