cpython/Objects/clinic/descrobject.c.h

171 lines
4.6 KiB
C

/*[clinic input]
preserve
[clinic start generated code]*/
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
# include "pycore_gc.h" // PyGC_Head
# include "pycore_runtime.h" // _Py_ID()
#endif
static PyObject *
mappingproxy_new_impl(PyTypeObject *type, PyObject *mapping);
static PyObject *
mappingproxy_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 1
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(mapping), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"mapping", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "mappingproxy",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[1];
PyObject * const *fastargs;
Py_ssize_t nargs = PyTuple_GET_SIZE(args);
PyObject *mapping;
fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 1, 1, 0, argsbuf);
if (!fastargs) {
goto exit;
}
mapping = fastargs[0];
return_value = mappingproxy_new_impl(type, mapping);
exit:
return return_value;
}
PyDoc_STRVAR(property_init__doc__,
"property(fget=None, fset=None, fdel=None, doc=None)\n"
"--\n"
"\n"
"Property attribute.\n"
"\n"
" fget\n"
" function to be used for getting an attribute value\n"
" fset\n"
" function to be used for setting an attribute value\n"
" fdel\n"
" function to be used for del\'ing an attribute\n"
" doc\n"
" docstring\n"
"\n"
"Typical use is to define a managed attribute x:\n"
"\n"
"class C(object):\n"
" def getx(self): return self._x\n"
" def setx(self, value): self._x = value\n"
" def delx(self): del self._x\n"
" x = property(getx, setx, delx, \"I\'m the \'x\' property.\")\n"
"\n"
"Decorators make defining new properties or modifying existing ones easy:\n"
"\n"
"class C(object):\n"
" @property\n"
" def x(self):\n"
" \"I am the \'x\' property.\"\n"
" return self._x\n"
" @x.setter\n"
" def x(self, value):\n"
" self._x = value\n"
" @x.deleter\n"
" def x(self):\n"
" del self._x");
static int
property_init_impl(propertyobject *self, PyObject *fget, PyObject *fset,
PyObject *fdel, PyObject *doc);
static int
property_init(PyObject *self, PyObject *args, PyObject *kwargs)
{
int return_value = -1;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 4
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(fget), &_Py_ID(fset), &_Py_ID(fdel), &_Py_ID(doc), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"fget", "fset", "fdel", "doc", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "property",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[4];
PyObject * const *fastargs;
Py_ssize_t nargs = PyTuple_GET_SIZE(args);
Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;
PyObject *fget = NULL;
PyObject *fset = NULL;
PyObject *fdel = NULL;
PyObject *doc = NULL;
fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 0, 4, 0, argsbuf);
if (!fastargs) {
goto exit;
}
if (!noptargs) {
goto skip_optional_pos;
}
if (fastargs[0]) {
fget = fastargs[0];
if (!--noptargs) {
goto skip_optional_pos;
}
}
if (fastargs[1]) {
fset = fastargs[1];
if (!--noptargs) {
goto skip_optional_pos;
}
}
if (fastargs[2]) {
fdel = fastargs[2];
if (!--noptargs) {
goto skip_optional_pos;
}
}
doc = fastargs[3];
skip_optional_pos:
return_value = property_init_impl((propertyobject *)self, fget, fset, fdel, doc);
exit:
return return_value;
}
/*[clinic end generated code: output=8dc1ddfcf764ac8e input=a9049054013a1b77]*/