mirror of https://github.com/python/cpython
422 lines
12 KiB
C
422 lines
12 KiB
C
/*[clinic input]
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preserve
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[clinic start generated code]*/
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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# include "pycore_gc.h" // PyGC_Head
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# include "pycore_runtime.h" // _Py_ID()
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#endif
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#include "pycore_modsupport.h" // _PyArg_UnpackKeywords()
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PyDoc_STRVAR(memoryview__doc__,
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"memoryview(object)\n"
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"--\n"
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"\n"
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"Create a new memoryview object which references the given object.");
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static PyObject *
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memoryview_impl(PyTypeObject *type, PyObject *object);
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static PyObject *
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memoryview(PyTypeObject *type, PyObject *args, PyObject *kwargs)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 1
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(object), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"object", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "memoryview",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[1];
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PyObject * const *fastargs;
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Py_ssize_t nargs = PyTuple_GET_SIZE(args);
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PyObject *object;
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fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser,
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/*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
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if (!fastargs) {
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goto exit;
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}
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object = fastargs[0];
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return_value = memoryview_impl(type, object);
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exit:
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return return_value;
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}
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PyDoc_STRVAR(memoryview__from_flags__doc__,
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"_from_flags($type, /, object, flags)\n"
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"--\n"
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"\n"
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"Create a new memoryview object which references the given object.");
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#define MEMORYVIEW__FROM_FLAGS_METHODDEF \
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{"_from_flags", _PyCFunction_CAST(memoryview__from_flags), METH_FASTCALL|METH_KEYWORDS|METH_CLASS, memoryview__from_flags__doc__},
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static PyObject *
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memoryview__from_flags_impl(PyTypeObject *type, PyObject *object, int flags);
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static PyObject *
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memoryview__from_flags(PyTypeObject *type, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 2
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(object), &_Py_ID(flags), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"object", "flags", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "_from_flags",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[2];
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PyObject *object;
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int flags;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
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/*minpos*/ 2, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
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if (!args) {
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goto exit;
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}
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object = args[0];
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flags = PyLong_AsInt(args[1]);
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if (flags == -1 && PyErr_Occurred()) {
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goto exit;
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}
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return_value = memoryview__from_flags_impl(type, object, flags);
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exit:
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return return_value;
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}
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PyDoc_STRVAR(memoryview_release__doc__,
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"release($self, /)\n"
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"--\n"
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"\n"
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"Release the underlying buffer exposed by the memoryview object.");
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#define MEMORYVIEW_RELEASE_METHODDEF \
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{"release", (PyCFunction)memoryview_release, METH_NOARGS, memoryview_release__doc__},
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static PyObject *
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memoryview_release_impl(PyMemoryViewObject *self);
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static PyObject *
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memoryview_release(PyMemoryViewObject *self, PyObject *Py_UNUSED(ignored))
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{
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return memoryview_release_impl(self);
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}
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PyDoc_STRVAR(memoryview_cast__doc__,
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"cast($self, /, format, shape=<unrepresentable>)\n"
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"--\n"
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"\n"
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"Cast a memoryview to a new format or shape.");
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#define MEMORYVIEW_CAST_METHODDEF \
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{"cast", _PyCFunction_CAST(memoryview_cast), METH_FASTCALL|METH_KEYWORDS, memoryview_cast__doc__},
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static PyObject *
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memoryview_cast_impl(PyMemoryViewObject *self, PyObject *format,
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PyObject *shape);
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static PyObject *
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memoryview_cast(PyMemoryViewObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 2
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(format), &_Py_ID(shape), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"format", "shape", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "cast",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[2];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
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PyObject *format;
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PyObject *shape = NULL;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
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/*minpos*/ 1, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
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if (!args) {
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goto exit;
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}
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if (!PyUnicode_Check(args[0])) {
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_PyArg_BadArgument("cast", "argument 'format'", "str", args[0]);
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goto exit;
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}
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format = args[0];
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if (!noptargs) {
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goto skip_optional_pos;
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}
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shape = args[1];
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skip_optional_pos:
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return_value = memoryview_cast_impl(self, format, shape);
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exit:
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return return_value;
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}
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PyDoc_STRVAR(memoryview_toreadonly__doc__,
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"toreadonly($self, /)\n"
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"--\n"
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"\n"
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"Return a readonly version of the memoryview.");
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#define MEMORYVIEW_TOREADONLY_METHODDEF \
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{"toreadonly", (PyCFunction)memoryview_toreadonly, METH_NOARGS, memoryview_toreadonly__doc__},
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static PyObject *
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memoryview_toreadonly_impl(PyMemoryViewObject *self);
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static PyObject *
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memoryview_toreadonly(PyMemoryViewObject *self, PyObject *Py_UNUSED(ignored))
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{
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return memoryview_toreadonly_impl(self);
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}
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PyDoc_STRVAR(memoryview_tolist__doc__,
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"tolist($self, /)\n"
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"--\n"
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"\n"
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"Return the data in the buffer as a list of elements.");
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#define MEMORYVIEW_TOLIST_METHODDEF \
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{"tolist", (PyCFunction)memoryview_tolist, METH_NOARGS, memoryview_tolist__doc__},
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static PyObject *
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memoryview_tolist_impl(PyMemoryViewObject *self);
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static PyObject *
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memoryview_tolist(PyMemoryViewObject *self, PyObject *Py_UNUSED(ignored))
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{
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return memoryview_tolist_impl(self);
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}
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PyDoc_STRVAR(memoryview_tobytes__doc__,
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"tobytes($self, /, order=\'C\')\n"
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"--\n"
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"\n"
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"Return the data in the buffer as a byte string.\n"
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"\n"
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"Order can be {\'C\', \'F\', \'A\'}. When order is \'C\' or \'F\', the data of the\n"
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"original array is converted to C or Fortran order. For contiguous views,\n"
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"\'A\' returns an exact copy of the physical memory. In particular, in-memory\n"
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"Fortran order is preserved. For non-contiguous views, the data is converted\n"
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"to C first. order=None is the same as order=\'C\'.");
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#define MEMORYVIEW_TOBYTES_METHODDEF \
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{"tobytes", _PyCFunction_CAST(memoryview_tobytes), METH_FASTCALL|METH_KEYWORDS, memoryview_tobytes__doc__},
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static PyObject *
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memoryview_tobytes_impl(PyMemoryViewObject *self, const char *order);
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static PyObject *
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memoryview_tobytes(PyMemoryViewObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 1
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(order), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"order", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "tobytes",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[1];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
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const char *order = NULL;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
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/*minpos*/ 0, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
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if (!args) {
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goto exit;
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}
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if (!noptargs) {
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goto skip_optional_pos;
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}
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if (args[0] == Py_None) {
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order = NULL;
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}
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else if (PyUnicode_Check(args[0])) {
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Py_ssize_t order_length;
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order = PyUnicode_AsUTF8AndSize(args[0], &order_length);
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if (order == NULL) {
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goto exit;
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}
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if (strlen(order) != (size_t)order_length) {
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PyErr_SetString(PyExc_ValueError, "embedded null character");
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goto exit;
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}
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}
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else {
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_PyArg_BadArgument("tobytes", "argument 'order'", "str or None", args[0]);
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goto exit;
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}
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skip_optional_pos:
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return_value = memoryview_tobytes_impl(self, order);
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exit:
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return return_value;
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}
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PyDoc_STRVAR(memoryview_hex__doc__,
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"hex($self, /, sep=<unrepresentable>, bytes_per_sep=1)\n"
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"--\n"
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"\n"
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"Return the data in the buffer as a str of hexadecimal numbers.\n"
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"\n"
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" sep\n"
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" An optional single character or byte to separate hex bytes.\n"
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" bytes_per_sep\n"
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" How many bytes between separators. Positive values count from the\n"
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" right, negative values count from the left.\n"
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"\n"
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"Example:\n"
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">>> value = memoryview(b\'\\xb9\\x01\\xef\')\n"
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">>> value.hex()\n"
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"\'b901ef\'\n"
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">>> value.hex(\':\')\n"
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"\'b9:01:ef\'\n"
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">>> value.hex(\':\', 2)\n"
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"\'b9:01ef\'\n"
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">>> value.hex(\':\', -2)\n"
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"\'b901:ef\'");
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#define MEMORYVIEW_HEX_METHODDEF \
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{"hex", _PyCFunction_CAST(memoryview_hex), METH_FASTCALL|METH_KEYWORDS, memoryview_hex__doc__},
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static PyObject *
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memoryview_hex_impl(PyMemoryViewObject *self, PyObject *sep,
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int bytes_per_sep);
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static PyObject *
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memoryview_hex(PyMemoryViewObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 2
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(sep), &_Py_ID(bytes_per_sep), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"sep", "bytes_per_sep", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "hex",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[2];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
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PyObject *sep = NULL;
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int bytes_per_sep = 1;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
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/*minpos*/ 0, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
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if (!args) {
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goto exit;
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}
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if (!noptargs) {
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goto skip_optional_pos;
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}
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if (args[0]) {
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sep = args[0];
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if (!--noptargs) {
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goto skip_optional_pos;
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}
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}
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bytes_per_sep = PyLong_AsInt(args[1]);
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if (bytes_per_sep == -1 && PyErr_Occurred()) {
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goto exit;
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}
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skip_optional_pos:
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return_value = memoryview_hex_impl(self, sep, bytes_per_sep);
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exit:
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return return_value;
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}
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/*[clinic end generated code: output=0a93f08110630633 input=a9049054013a1b77]*/
|