/*[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

#include "pycore_modsupport.h"    // _PyArg_UnpackKeywords()

PyDoc_STRVAR(mappingproxy_new__doc__,

"mappingproxy(mapping)\n"

"--\n"

"\n"

"Read-only proxy of a mapping.");

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

        Py_hash_t ob_hash;

        PyObject *ob_item[NUM_KEYWORDS];

    } _kwtuple = {

        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)

        .ob_hash = -1,

        .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,

            /*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);

    if (!fastargs) {

        goto exit;

    }

    mapping = fastargs[0];

    return_value = mappingproxy_new_impl(type, mapping);

exit:

    return return_value;

}

PyDoc_STRVAR(property___set_name____doc__,

"__set_name__($self, owner, name, /)\n"

"--\n"

"\n"

"Method to set name of a property.");

#define PROPERTY___SET_NAME___METHODDEF    \

    {"__set_name__", _PyCFunction_CAST(property___set_name__), METH_FASTCALL, property___set_name____doc__},

static PyObject *

property___set_name___impl(propertyobject *self, PyObject *owner,

                           PyObject *name);

static PyObject *

property___set_name__(PyObject *self, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    PyObject *owner;

    PyObject *name;

    if (!_PyArg_CheckPositional("__set_name__", nargs, 2, 2)) {

        goto exit;

    }

    owner = args[0];

    name = args[1];

    return_value = property___set_name___impl((propertyobject *)self, owner, name);

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

        Py_hash_t ob_hash;

        PyObject *ob_item[NUM_KEYWORDS];

    } _kwtuple = {

        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)

        .ob_hash = -1,

        .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,

            /*minpos*/ 0, /*maxpos*/ 4, /*minkw*/ 0, /*varpos*/ 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=fb62ee8be13af793 input=a9049054013a1b77]*/