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bpo-37207: Add _PyArg_NoKwnames() helper function (GH-18980)

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Dong-hee Na 2020-03-16 23:06:20 +09:00 committed by GitHub
parent c98f87fc33
commit 87ec86c425
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 24 additions and 5 deletions
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3
Include/modsupport.h
View File

@ -60,9 +60,12 @@ PyAPI_FUNC(int) _PyArg_UnpackStack(
...);
PyAPI_FUNC(int) _PyArg_NoKeywords(const char *funcname, PyObject *kwargs);
PyAPI_FUNC(int) _PyArg_NoKwnames(const char *funcname, PyObject *kwnames);
PyAPI_FUNC(int) _PyArg_NoPositional(const char *funcname, PyObject *args);
#define _PyArg_NoKeywords(funcname, kwargs) \
((kwargs) == NULL || _PyArg_NoKeywords((funcname), (kwargs)))
#define _PyArg_NoKwnames(funcname, kwnames) \
((kwnames) == NULL || _PyArg_NoKwnames((funcname), (kwnames)))
#define _PyArg_NoPositional(funcname, args) \
((args) == NULL || _PyArg_NoPositional((funcname), (args)))

1
Misc/NEWS.d/next/C API/2020-03-14-01-56-03.bpo-37207.R3jaTy.rst Normal file
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@ -0,0 +1 @@
Add _PyArg_NoKwnames helper function. Patch by Dong-hee Na.

3
Objects/rangeobject.c
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@ -146,8 +146,7 @@ range_vectorcall(PyTypeObject *type, PyObject *const *args,
size_t nargsf, PyObject *kwnames)
{
Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
if (kwnames && PyTuple_GET_SIZE(kwnames) != 0) {
PyErr_Format(PyExc_TypeError, "range() takes no keyword arguments");
if (!_PyArg_NoKwnames("range", kwnames)) {
return NULL;
}
return range_from_array(type, args, nargs);

3
Objects/tupleobject.c
View File

@ -709,8 +709,7 @@ static PyObject *
tuple_vectorcall(PyObject *type, PyObject * const*args,
size_t nargsf, PyObject *kwnames)
{
if (kwnames && PyTuple_GET_SIZE(kwnames) != 0) {
PyErr_Format(PyExc_TypeError, "tuple() takes no keyword arguments");
if (!_PyArg_NoKwnames("tuple", kwnames)) {
return NULL;
}

19
Python/getargs.c
View File

@ -2787,6 +2787,7 @@ _PyArg_UnpackStack(PyObject *const *args, Py_ssize_t nargs, const char *name,
#undef _PyArg_NoKeywords
#undef _PyArg_NoKwnames
#undef _PyArg_NoPositional
/* For type constructors that don't take keyword args
@ -2813,7 +2814,6 @@ _PyArg_NoKeywords(const char *funcname, PyObject *kwargs)
return 0;
}
int
_PyArg_NoPositional(const char *funcname, PyObject *args)
{
@ -2831,6 +2831,23 @@ _PyArg_NoPositional(const char *funcname, PyObject *args)
return 0;
}
int
_PyArg_NoKwnames(const char *funcname, PyObject *kwnames)
{
if (kwnames == NULL) {
return 1;
}
assert(PyTuple_CheckExact(kwnames));
if (PyTuple_GET_SIZE(kwnames) == 0) {
return 1;
}
PyErr_Format(PyExc_TypeError, "%s() takes no keyword arguments", funcname);
return 0;
}
void
_PyArg_Fini(void)
{