bpo-36127: Argument Clinic: inline parsing code for keyword parameters. (GH-12058)

1 files changed, 48 insertions, 7 deletions

diff --git a/Modules/_multiprocessing/clinic/posixshmem.c.h b/Modules/_multiprocessing/clinic/posixshmem.c.h
index 20abddc0a2..0ebfa2fe37 100644
--- a/Modules/_multiprocessing/clinic/posixshmem.c.h
+++ b/Modules/_multiprocessing/clinic/posixshmem.c.h
@@ -22,16 +22,48 @@ _posixshmem_shm_open(PyObject *module, PyObject *const *args, Py_ssize_t nargs,
 {
     PyObject *return_value = NULL;
     static const char * const _keywords[] = {"path", "flags", "mode", NULL};
-    static _PyArg_Parser _parser = {"Ui|i:shm_open", _keywords, 0};
+    static _PyArg_Parser _parser = {NULL, _keywords, "shm_open", 0};
+    PyObject *argsbuf[3];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
     PyObject *path;
     int flags;
     int mode = 511;
     int _return_value;
 
-    if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
-        &path, &flags, &mode)) {
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 3, 0, argsbuf);
+    if (!args) {
         goto exit;
     }
+    if (!PyUnicode_Check(args[0])) {
+        _PyArg_BadArgument("shm_open", 1, "str", args[0]);
+        goto exit;
+    }
+    if (PyUnicode_READY(args[0]) == -1) {
+        goto exit;
+    }
+    path = args[0];
+    if (PyFloat_Check(args[1])) {
+        PyErr_SetString(PyExc_TypeError,
+                        "integer argument expected, got float" );
+        goto exit;
+    }
+    flags = _PyLong_AsInt(args[1]);
+    if (flags == -1 && PyErr_Occurred()) {
+        goto exit;
+    }
+    if (!noptargs) {
+        goto skip_optional_pos;
+    }
+    if (PyFloat_Check(args[2])) {
+        PyErr_SetString(PyExc_TypeError,
+                        "integer argument expected, got float" );
+        goto exit;
+    }
+    mode = _PyLong_AsInt(args[2]);
+    if (mode == -1 && PyErr_Occurred()) {
+        goto exit;
+    }
+skip_optional_pos:
     _return_value = _posixshmem_shm_open_impl(module, path, flags, mode);
     if ((_return_value == -1) && PyErr_Occurred()) {
         goto exit;
@@ -67,13 +99,22 @@ _posixshmem_shm_unlink(PyObject *module, PyObject *const *args, Py_ssize_t nargs
 {
     PyObject *return_value = NULL;
     static const char * const _keywords[] = {"path", NULL};
-    static _PyArg_Parser _parser = {"U:shm_unlink", _keywords, 0};
+    static _PyArg_Parser _parser = {NULL, _keywords, "shm_unlink", 0};
+    PyObject *argsbuf[1];
     PyObject *path;
 
-    if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
-        &path)) {
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    if (!PyUnicode_Check(args[0])) {
+        _PyArg_BadArgument("shm_unlink", 1, "str", args[0]);
+        goto exit;
+    }
+    if (PyUnicode_READY(args[0]) == -1) {
         goto exit;
     }
+    path = args[0];
     return_value = _posixshmem_shm_unlink_impl(module, path);
 
 exit:
@@ -89,4 +130,4 @@ exit:
 #ifndef _POSIXSHMEM_SHM_UNLINK_METHODDEF
     #define _POSIXSHMEM_SHM_UNLINK_METHODDEF
 #endif /* !defined(_POSIXSHMEM_SHM_UNLINK_METHODDEF) */
-/*[clinic end generated code: output=ff9cf0bc9b8baddf input=a9049054013a1b77]*/
+/*[clinic end generated code: output=be42e23c18677c0f input=a9049054013a1b77]*/