gh-102500: Implement PEP 688 (#102521)

Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>

1 files changed, 61 insertions, 1 deletions

diff --git a/Objects/clinic/memoryobject.c.h b/Objects/clinic/memoryobject.c.h
index ff7b50b..25a2234 100644
--- a/Objects/clinic/memoryobject.c.h
+++ b/Objects/clinic/memoryobject.c.h
@@ -62,6 +62,66 @@ exit:
     return return_value;
 }
 
+PyDoc_STRVAR(memoryview__from_flags__doc__,
+"_from_flags($type, /, object, flags)\n"
+"--\n"
+"\n"
+"Create a new memoryview object which references the given object.");
+
+#define MEMORYVIEW__FROM_FLAGS_METHODDEF    \
+    {"_from_flags", _PyCFunction_CAST(memoryview__from_flags), METH_FASTCALL|METH_KEYWORDS|METH_CLASS, memoryview__from_flags__doc__},
+
+static PyObject *
+memoryview__from_flags_impl(PyTypeObject *type, PyObject *object, int flags);
+
+static PyObject *
+memoryview__from_flags(PyTypeObject *type, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 2
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(object), &_Py_ID(flags), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"object", "flags", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "_from_flags",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[2];
+    PyObject *object;
+    int flags;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    object = args[0];
+    flags = _PyLong_AsInt(args[1]);
+    if (flags == -1 && PyErr_Occurred()) {
+        goto exit;
+    }
+    return_value = memoryview__from_flags_impl(type, object, flags);
+
+exit:
+    return return_value;
+}
+
 PyDoc_STRVAR(memoryview_release__doc__,
 "release($self, /)\n"
 "--\n"
@@ -356,4 +416,4 @@ skip_optional_pos:
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=a832f2fc44e4794c input=a9049054013a1b77]*/
+/*[clinic end generated code: output=01613814112cedd7 input=a9049054013a1b77]*/