Switch to using METH_NOARGS where possible.

Convert to use PyModule_*() instead of manipulating the module dict directly.

Modules/_testcapimodule.c

@@ -44,11 +44,8 @@ sizeof_error(const char* fatname, const char* typename,
 }
 
 static PyObject*
-test_config(PyObject *self, PyObject *args)
+test_config(PyObject *self)
 {
-        if (!PyArg_ParseTuple(args, ":test_config"))
-                return NULL;
-
 #define CHECK_SIZEOF(FATNAME, TYPE) \
 	    if (FATNAME != sizeof(TYPE)) \
     	    	return sizeof_error(#FATNAME, #TYPE, FATNAME, sizeof(TYPE))
@@ -69,12 +66,10 @@ test_config(PyObject *self, PyObject *args)
 }
 
 static PyObject*
-test_list_api(PyObject *self, PyObject *args)
+test_list_api(PyObject *self)
 {
 	PyObject* list;
 	int i;
-        if (!PyArg_ParseTuple(args, ":test_list_api"))
-                return NULL;
 
 	/* SF bug 132008:  PyList_Reverse segfaults */
 #define NLIST 30
@@ -157,13 +152,10 @@ test_dict_inner(int count)
 }
 
 static PyObject*
-test_dict_iteration(PyObject* self, PyObject* args)
+test_dict_iteration(PyObject* self)
 {
 	int i;
 
-        if (!PyArg_ParseTuple(args, ":test_dict_iteration"))
-                return NULL;
-
 	for (i = 0; i < 200; i++) {
 		if (test_dict_inner(i) < 0) {
 			return NULL;
@@ -208,11 +200,8 @@ raise_test_long_error(const char* msg)
 #include "testcapi_long.h"
 
 static PyObject *
-test_long_api(PyObject* self, PyObject* args)
+test_long_api(PyObject* self)
 {
-        if (!PyArg_ParseTuple(args, ":test_long_api"))
-                return NULL;
-
 	return TESTNAME(raise_test_long_error);
 }
 
@@ -241,11 +230,8 @@ raise_test_longlong_error(const char* msg)
 #include "testcapi_long.h"
 
 static PyObject *
-test_longlong_api(PyObject* self, PyObject* args)
+test_longlong_api(PyObject* self)
 {
-        if (!PyArg_ParseTuple(args, ":test_longlong_api"))
-                return NULL;
-
 	return TESTNAME(raise_test_longlong_error);
 }
 
@@ -261,14 +247,11 @@ test_longlong_api(PyObject* self, PyObject* args)
    it fails.
 */
 static PyObject *
-test_L_code(PyObject *self, PyObject *args)
+test_L_code(PyObject *self)
 {
 	PyObject *tuple, *num;
 	LONG_LONG value;
 
-        if (!PyArg_ParseTuple(args, ":test_L_code"))
-                return NULL;
-
         tuple = PyTuple_New(1);
         if (tuple == NULL)
         	return NULL;
@@ -313,15 +296,12 @@ test_L_code(PyObject *self, PyObject *args)
    of an error.
 */
 static PyObject *
-test_u_code(PyObject *self, PyObject *args)
+test_u_code(PyObject *self)
 {
 	PyObject *tuple, *obj;
 	Py_UNICODE *value;
 	int len;
 
-        if (!PyArg_ParseTuple(args, ":test_u_code"))
-                return NULL;
-
         tuple = PyTuple_New(1);
         if (tuple == NULL)
         	return NULL;
@@ -382,16 +362,16 @@ raise_exception(PyObject *self, PyObject *args)
 
 static PyMethodDef TestMethods[] = {
 	{"raise_exception",	raise_exception,		 METH_VARARGS},
-	{"test_config",		test_config,		METH_VARARGS},
-	{"test_list_api",	test_list_api,		METH_VARARGS},
-	{"test_dict_iteration",	test_dict_iteration,	METH_VARARGS},
-	{"test_long_api",	test_long_api,		METH_VARARGS},
+	{"test_config",		(PyCFunction)test_config,	 METH_NOARGS},
+	{"test_list_api",	(PyCFunction)test_list_api,	 METH_NOARGS},
+	{"test_dict_iteration",	(PyCFunction)test_dict_iteration,METH_NOARGS},
+	{"test_long_api",	(PyCFunction)test_long_api,	 METH_NOARGS},
 #ifdef HAVE_LONG_LONG
-	{"test_longlong_api",	test_longlong_api,	METH_VARARGS},
-	{"test_L_code",		test_L_code,		METH_VARARGS},
+	{"test_longlong_api",	(PyCFunction)test_longlong_api,	 METH_NOARGS},
+	{"test_L_code",		(PyCFunction)test_L_code,	 METH_NOARGS},
 #endif
 #ifdef Py_USING_UNICODE
-	{"test_u_code",		test_u_code,		METH_VARARGS},
+	{"test_u_code",		(PyCFunction)test_u_code,	 METH_NOARGS},
 #endif
 	{NULL, NULL} /* sentinel */
 };
@@ -399,11 +379,11 @@ static PyMethodDef TestMethods[] = {
 DL_EXPORT(void)
 init_testcapi(void)
 {
-	PyObject *m, *d;
+	PyObject *m;
 
 	m = Py_InitModule("_testcapi", TestMethods);
 
 	TestError = PyErr_NewException("_testcapi.error", NULL, NULL);
-	d = PyModule_GetDict(m);
-	PyDict_SetItemString(d, "error", TestError);
+	Py_INCREF(TestError);
+	PyModule_AddObject(m, "error", TestError);
 }