gh-110093: Replace trivial Py_BuildValue() with direct C API call (GH-110094)

Author: serhiy-storchaka

Modules/_ctypes/callproc.c

@@ -1405,7 +1405,7 @@ static PyObject *load_library(PyObject *self, PyObject *args)
 #ifdef _WIN64
     return PyLong_FromVoidPtr(hMod);
 #else
-    return Py_BuildValue("i", hMod);
+    return PyLong_FromLong((int)hMod);
 #endif
 }
 

Modules/_cursesmodule.c

@@ -3673,7 +3673,7 @@ _curses_mousemask_impl(PyObject *module, unsigned long newmask)
 #endif
 
 /*[clinic input]
-_curses.napms
+_curses.napms -> int
 
     ms: int
         Duration in milliseconds.
@@ -3682,13 +3682,13 @@ _curses.napms
 Sleep for specified time.
 [clinic start generated code]*/
 
-static PyObject *
+static int
 _curses_napms_impl(PyObject *module, int ms)
-/*[clinic end generated code: output=a40a1da2e39ea438 input=20cd3af2b6900f56]*/
+/*[clinic end generated code: output=5f292a6a724491bd input=c6d6e01f2f1df9f7]*/
 {
     PyCursesInitialised;
 
-    return Py_BuildValue("i", napms(ms));
+    return napms(ms);
 }
 
 

Modules/_datetimemodule.c

@@ -4060,8 +4060,8 @@ static PyObject *
 timezone_getinitargs(PyDateTime_TimeZone *self, PyObject *Py_UNUSED(ignored))
 {
     if (self->name == NULL)
-        return Py_BuildValue("(O)", self->offset);
-    return Py_BuildValue("(OO)", self->offset, self->name);
+        return PyTuple_Pack(1, self->offset);
+    return PyTuple_Pack(2, self->offset, self->name);
 }
 
 static PyMethodDef timezone_methods[] = {

Modules/_opcode.c

@@ -244,8 +244,7 @@ _opcode_get_nb_ops_impl(PyObject *module)
     }
 #define ADD_NB_OP(NUM, STR) \
     do { \
-        PyObject *pair = Py_BuildValue( \
-            "NN", PyUnicode_FromString(#NUM), PyUnicode_FromString(STR)); \
+        PyObject *pair = Py_BuildValue("ss", #NUM, STR); \
         if (pair == NULL) { \
             Py_DECREF(list); \
             return NULL; \

Modules/_winapi.c

@@ -212,7 +212,7 @@ class DWORD_return_converter(CReturnConverter):
         self.declare(data)
         self.err_occurred_if("_return_value == PY_DWORD_MAX", data)
         data.return_conversion.append(
-            'return_value = Py_BuildValue("k", _return_value);\n')
+            'return_value = PyLong_FromUnsignedLong(_return_value);\n')
 
 class LPVOID_return_converter(CReturnConverter):
     type = 'LPVOID'
@@ -223,7 +223,7 @@ class LPVOID_return_converter(CReturnConverter):
         data.return_conversion.append(
             'return_value = HANDLE_TO_PYNUM(_return_value);\n')
 [python start generated code]*/
-/*[python end generated code: output=da39a3ee5e6b4b0d input=011ee0c3a2244bfe]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=ef52a757a1830d92]*/
 
 #include "clinic/_winapi.c.h"
 

Modules/_zoneinfo.c

@@ -816,7 +816,7 @@ zoneinfo_ZoneInfo__unpickle_impl(PyTypeObject *type, PyTypeObject *cls,
 /*[clinic end generated code: output=556712fc709deecb input=6ac8c73eed3de316]*/
 {
     if (from_cache) {
-        PyObject *val_args = Py_BuildValue("(O)", key);
+        PyObject *val_args = PyTuple_Pack(1, key);
         if (val_args == NULL) {
             return NULL;
         }

Modules/clinic/_cursesmodule.c.h

@@ -599,8 +599,7 @@ _overlapped_FormatMessage_impl(PyObject *module, DWORD code)
     if (n) {
         while (iswspace(lpMsgBuf[n-1]))
             --n;
-        lpMsgBuf[n] = L'\0';
-        res = Py_BuildValue("u", lpMsgBuf);
+        res = PyUnicode_FromWideChar(lpMsgBuf, n);
     } else {
         res = PyUnicode_FromFormat("unknown error code %u", code);
     }

Modules/clinic/_winapi.c.h

@@ -11276,9 +11276,9 @@ os_sendfile_impl(PyObject *module, int out_fd, int in_fd, PyObject *offobj,
 
 done:
     #if !defined(HAVE_LARGEFILE_SUPPORT)
-        return Py_BuildValue("l", sbytes);
+        return PyLong_FromLong(sbytes);
     #else
-        return Py_BuildValue("L", sbytes);
+        return PyLong_FromLongLong(sbytes);
     #endif
 
 #else
@@ -11291,7 +11291,7 @@ os_sendfile_impl(PyObject *module, int out_fd, int in_fd, PyObject *offobj,
         } while (ret < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
         if (ret < 0)
             return (!async_err) ? posix_error() : NULL;
-        return Py_BuildValue("n", ret);
+        return PyLong_FromSsize_t(ret);
     }
 #endif
     off_t offset;
@@ -11312,7 +11312,7 @@ os_sendfile_impl(PyObject *module, int out_fd, int in_fd, PyObject *offobj,
         return (!async_err) ? posix_error() : NULL;
 
     if (offset >= st.st_size) {
-        return Py_BuildValue("i", 0);
+        return PyLong_FromLong(0);
     }
 
     // On illumos specifically sendfile() may perform a partial write but
@@ -11338,7 +11338,7 @@ os_sendfile_impl(PyObject *module, int out_fd, int in_fd, PyObject *offobj,
     } while (ret < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
     if (ret < 0)
         return (!async_err) ? posix_error() : NULL;
-    return Py_BuildValue("n", ret);
+    return PyLong_FromSsize_t(ret);
 #endif
 }
 #endif /* HAVE_SENDFILE */