#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

# include "pycore_gc.h" // PyGC_Head

# include "pycore_runtime.h" // _Py_ID()

#include "pycore_abstract.h" // _PyNumber_Index()

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

PyDoc_STRVAR(memoryview__doc__,

"Create a new memoryview object which references the given object.");

static PyObject *

memoryview_impl(PyTypeObject *type, PyObject *object);

static PyObject *

memoryview(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(object), },

};

#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[] = {"object", NULL};

static _PyArg_Parser _parser = {

.keywords = _keywords,

.fname = "memoryview",

.kwtuple = KWTUPLE,

};

#undef KWTUPLE

PyObject *argsbuf[1];

PyObject * const *fastargs;

Py_ssize_t nargs = PyTuple_GET_SIZE(args);

PyObject *object;

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;

}

object = fastargs[0];

return_value = memoryview_impl(type, object);

exit:

return return_value;

}

PyDoc_STRVAR(memoryview__from_flags__doc__,

"Create a new memoryview object which references the given object.");

#define MEMORYVIEW__FROM_FLAGS_METHODDEF \

{"_from_flags", _PyCFunction_CAST(memoryview__from_flags), METH_FASTCALL|METH_KEYWORDS|METH_CLASS, memoryview__from_flags__doc__},

static PyObject *

memoryview__from_flags_impl(PyTypeObject *type, PyObject *object, int flags);

static PyObject *

memoryview__from_flags(PyObject *type, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)

{

PyObject *return_value = NULL;

#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

#define NUM_KEYWORDS 2

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(object), &_Py_ID(flags), },

};

#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[] = {"object", "flags", NULL};

static _PyArg_Parser _parser = {

.keywords = _keywords,

.fname = "_from_flags",

.kwtuple = KWTUPLE,

};

#undef KWTUPLE

PyObject *argsbuf[2];

PyObject *object;

int flags;

args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,

/*minpos*/ 2, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);

if (!args) {

goto exit;

}

object = args[0];

flags = PyLong_AsInt(args[1]);

if (flags == -1 && PyErr_Occurred()) {

goto exit;

}

return_value = memoryview__from_flags_impl((PyTypeObject *)type, object, flags);

exit:

return return_value;

}

PyDoc_STRVAR(memoryview_release__doc__,

"Release the underlying buffer exposed by the memoryview object.");

#define MEMORYVIEW_RELEASE_METHODDEF \

{"release", (PyCFunction)memoryview_release, METH_NOARGS, memoryview_release__doc__},

static PyObject *

memoryview_release_impl(PyMemoryViewObject *self);

static PyObject *

memoryview_release(PyObject *self, PyObject *Py_UNUSED(ignored))

{

return memoryview_release_impl((PyMemoryViewObject *)self);

}

PyDoc_STRVAR(memoryview_cast__doc__,

"for Fortran-contiguous (column-major).");

#define MEMORYVIEW_CAST_METHODDEF \

{"cast", _PyCFunction_CAST(memoryview_cast), METH_FASTCALL|METH_KEYWORDS, memoryview_cast__doc__},

static PyObject *

memoryview_cast_impl(PyMemoryViewObject *self, PyObject *format,

PyObject *shape, int order);

static PyObject *

memoryview_cast(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)

{

PyObject *return_value = NULL;

#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

#define NUM_KEYWORDS 3

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(format), &_Py_ID(shape), &_Py_ID(order), },

};

#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[] = {"format", "shape", "order", NULL};

static _PyArg_Parser _parser = {

.keywords = _keywords,

.fname = "cast",

.kwtuple = KWTUPLE,

};

#undef KWTUPLE

PyObject *argsbuf[3];

Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;

PyObject *format;

PyObject *shape = NULL;

int order = 'C';

args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,

/*minpos*/ 1, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);

if (!args) {

goto exit;

}

if (!PyUnicode_Check(args[0])) {

_PyArg_BadArgument("cast", "argument 'format'", "str", args[0]);

goto exit;

}

format = args[0];

if (!noptargs) {

goto skip_optional_pos;

}

if (args[1]) {

shape = args[1];

if (!--noptargs) {

goto skip_optional_pos;

}

}

skip_optional_pos:

if (!noptargs) {

goto skip_optional_kwonly;

}

if (!PyUnicode_Check(args[2])) {

_PyArg_BadArgument("cast", "argument 'order'", "a unicode character", args[2]);

goto exit;

}

if (PyUnicode_GET_LENGTH(args[2]) != 1) {

PyErr_Format(PyExc_TypeError,

"cast(): argument 'order' must be a unicode character, "

"not a string of length %zd",

PyUnicode_GET_LENGTH(args[2]));

goto exit;

}

order = PyUnicode_READ_CHAR(args[2], 0);

skip_optional_kwonly:

return_value = memoryview_cast_impl((PyMemoryViewObject *)self, format, shape, order);

exit:

return return_value;

}

PyDoc_STRVAR(memoryview_toreadonly__doc__,

"Return a readonly version of the memoryview.");

#define MEMORYVIEW_TOREADONLY_METHODDEF \

{"toreadonly", (PyCFunction)memoryview_toreadonly, METH_NOARGS, memoryview_toreadonly__doc__},

static PyObject *

memoryview_toreadonly_impl(PyMemoryViewObject *self);

static PyObject *

memoryview_toreadonly(PyObject *self, PyObject *Py_UNUSED(ignored))

{

return memoryview_toreadonly_impl((PyMemoryViewObject *)self);

}

PyDoc_STRVAR(memoryview_tolist__doc__,

"Return the data in the buffer as a list of elements.");

#define MEMORYVIEW_TOLIST_METHODDEF \

{"tolist", (PyCFunction)memoryview_tolist, METH_NOARGS, memoryview_tolist__doc__},

static PyObject *

memoryview_tolist_impl(PyMemoryViewObject *self);

static PyObject *

memoryview_tolist(PyObject *self, PyObject *Py_UNUSED(ignored))

{

return memoryview_tolist_impl((PyMemoryViewObject *)self);

}

PyDoc_STRVAR(memoryview_tobytes__doc__,

"is the same as order=\'C\'.");

#define MEMORYVIEW_TOBYTES_METHODDEF \

{"tobytes", _PyCFunction_CAST(memoryview_tobytes), METH_FASTCALL|METH_KEYWORDS, memoryview_tobytes__doc__},

static PyObject *

memoryview_tobytes_impl(PyMemoryViewObject *self, const char *order);

static PyObject *

memoryview_tobytes(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)

{

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(order), },

};

#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[] = {"order", NULL};

static _PyArg_Parser _parser = {

.keywords = _keywords,

.fname = "tobytes",

.kwtuple = KWTUPLE,

};

#undef KWTUPLE

PyObject *argsbuf[1];

Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;

const char *order = NULL;

args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,

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

if (!args) {

goto exit;

}

if (!noptargs) {

goto skip_optional_pos;

}

if (args[0] == Py_None) {

order = NULL;

}

else if (PyUnicode_Check(args[0])) {

Py_ssize_t order_length;

order = PyUnicode_AsUTF8AndSize(args[0], &order_length);

if (order == NULL) {

goto exit;

}

if (strlen(order) != (size_t)order_length) {

PyErr_SetString(PyExc_ValueError, "embedded null character");

goto exit;

}

}

else {

_PyArg_BadArgument("tobytes", "argument 'order'", "str or None", args[0]);

goto exit;

}

skip_optional_pos:

return_value = memoryview_tobytes_impl((PyMemoryViewObject *)self, order);

exit:

return return_value;

}

PyDoc_STRVAR(memoryview_hex__doc__,

"\'b901:ef\'");

#define MEMORYVIEW_HEX_METHODDEF \

{"hex", _PyCFunction_CAST(memoryview_hex), METH_FASTCALL|METH_KEYWORDS, memoryview_hex__doc__},

static PyObject *

memoryview_hex_impl(PyMemoryViewObject *self, PyObject *sep,

Py_ssize_t bytes_per_sep);

static PyObject *

memoryview_hex(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)

{

PyObject *return_value = NULL;

#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

#define NUM_KEYWORDS 2

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(sep), &_Py_ID(bytes_per_sep), },

};

#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[] = {"sep", "bytes_per_sep", NULL};

static _PyArg_Parser _parser = {

.keywords = _keywords,

.fname = "hex",

.kwtuple = KWTUPLE,

};

#undef KWTUPLE

PyObject *argsbuf[2];

Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;

PyObject *sep = NULL;

Py_ssize_t bytes_per_sep = 1;

args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,

/*minpos*/ 0, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);

if (!args) {

goto exit;

}

if (!noptargs) {

goto skip_optional_pos;

}

if (args[0]) {

sep = args[0];

if (!--noptargs) {

goto skip_optional_pos;

}

}

{

Py_ssize_t ival = -1;

PyObject *iobj = _PyNumber_Index(args[1]);

if (iobj != NULL) {

ival = PyLong_AsSsize_t(iobj);

Py_DECREF(iobj);

}

if (ival == -1 && PyErr_Occurred()) {

goto exit;

}

bytes_per_sep = ival;

}

skip_optional_pos:

return_value = memoryview_hex_impl((PyMemoryViewObject *)self, sep, bytes_per_sep);

exit:

return return_value;

}

PyDoc_STRVAR(memoryview_count__doc__,

"Count the number of occurrences of a value.");

#define MEMORYVIEW_COUNT_METHODDEF \

{"count", (PyCFunction)memoryview_count, METH_O, memoryview_count__doc__},

static PyObject *

memoryview_count_impl(PyMemoryViewObject *self, PyObject *value);

static PyObject *

memoryview_count(PyObject *self, PyObject *value)

{

PyObject *return_value = NULL;

return_value = memoryview_count_impl((PyMemoryViewObject *)self, value);

return return_value;

}

PyDoc_STRVAR(memoryview_index__doc__,

"Raises ValueError if the value is not present.");

#define MEMORYVIEW_INDEX_METHODDEF \

{"index", _PyCFunction_CAST(memoryview_index), METH_FASTCALL, memoryview_index__doc__},

static PyObject *

memoryview_index_impl(PyMemoryViewObject *self, PyObject *value,

Py_ssize_t start, Py_ssize_t stop);

static PyObject *

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

{

PyObject *return_value = NULL;

PyObject *value;

Py_ssize_t start = 0;

Py_ssize_t stop = PY_SSIZE_T_MAX;

if (!_PyArg_CheckPositional("index", nargs, 1, 3)) {

goto exit;

}

value = args[0];

if (nargs < 2) {

goto skip_optional;

}

if (!_PyEval_SliceIndexNotNone(args[1], &start)) {

goto exit;

}

if (nargs < 3) {

goto skip_optional;

}

if (!_PyEval_SliceIndexNotNone(args[2], &stop)) {

goto exit;

}

skip_optional:

return_value = memoryview_index_impl((PyMemoryViewObject *)self, value, start, stop);

exit:

return return_value;

}