type_prepare() now uses fast call (METH_FASTCALL)

vstinner · vstinner · commit d526cfe546d6 · 2017-01-16T23:52:00.000+01:00
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
@@ -3112,7 +3112,8 @@ type_subclasses(PyTypeObject *type, PyObject *args_ignored)
 }
 
 static PyObject *
-type_prepare(PyObject *self, PyObject *args, PyObject *kwds)
+type_prepare(PyObject *self, PyObject **args, Py_ssize_t nargs,
+             PyObject *kwnames)
 {
     return PyDict_New();
 }
@@ -3216,7 +3217,7 @@ static PyMethodDef type_methods[] = {
     {"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS,
      PyDoc_STR("__subclasses__() -> list of immediate subclasses")},
     {"__prepare__", (PyCFunction)type_prepare,
-     METH_VARARGS | METH_KEYWORDS | METH_CLASS,
+     METH_FASTCALL | METH_CLASS,
      PyDoc_STR("__prepare__() -> dict\n"
                "used to create the namespace for the class statement")},
     {"__instancecheck__", type___instancecheck__, METH_O,

Original file line number	Diff line number	Diff line change
`@@ -3112,7 +3112,8 @@ type_subclasses(PyTypeObject type, PyObject args_ignored)`
`3112`	`3112`	`}`
`3113`	`3113`
`3114`	`3114`	`static PyObject *`
`3115`		`-type_prepare(PyObject self, PyObject args, PyObject *kwds)`
	`3115`	`+type_prepare(PyObject self, PyObject *args, Py_ssize_t nargs,`
	`3116`	`+ PyObject *kwnames)`
`3116`	`3117`	`{`
`3117`	`3118`	`return PyDict_New();`
`3118`	`3119`	`}`
`@@ -3216,7 +3217,7 @@ static PyMethodDef type_methods[] = {`
`3216`	`3217`	`{"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS,`
`3217`	`3218`	`PyDoc_STR("__subclasses__() -> list of immediate subclasses")},`
`3218`	`3219`	`{"__prepare__", (PyCFunction)type_prepare,`
`3219`		`- METH_VARARGS \| METH_KEYWORDS \| METH_CLASS,`
	`3220`	`+ METH_FASTCALL \| METH_CLASS,`
`3220`	`3221`	`PyDoc_STR("__prepare__() -> dict\n"`
`3221`	`3222`	`"used to create the namespace for the class statement")},`
`3222`	`3223`	`{"__instancecheck__", type___instancecheck__, METH_O,`