Created PyObject_GenericGetIter().

Factors out the common case of returning self.

Modules/_hotshot.c

@@ -141,13 +141,6 @@ logreader_fileno(LogReaderObject *self)
     return PyInt_FromLong(fileno(self->logfp));
 }
 
-static PyObject *
-logreader_tp_iter(LogReaderObject *self)
-{
-    Py_INCREF(self);
-    return (PyObject *) self;
-}
-
 
 /* Log File Format
  * ---------------
@@ -1352,7 +1345,7 @@ static PyTypeObject LogReaderType = {
     0,					/* tp_clear		*/
     0,					/* tp_richcompare	*/
     0,					/* tp_weaklistoffset	*/
-    (getiterfunc)logreader_tp_iter,	/* tp_iter		*/
+    PyObject_GenericGetIter,		/* tp_iter		*/
     (iternextfunc)logreader_tp_iternext,/* tp_iternext		*/
     logreader_methods,			/* tp_methods		*/
     logreader_members,			/* tp_members		*/

Modules/arraymodule.c

@@ -1961,13 +1961,6 @@ array_iter(arrayobject *ao)
 	return (PyObject *)it;
 }
 
-static PyObject *
-arrayiter_getiter(PyObject *it)
-{
-	Py_INCREF(it);
-	return it;
-}
-
 static PyObject *
 arrayiter_next(arrayiterobject *it)
 {
@@ -2021,7 +2014,7 @@ static PyTypeObject PyArrayIter_Type = {
 	0,					/* tp_clear */
 	0,                                      /* tp_richcompare */
 	0,                                      /* tp_weaklistoffset */
-	(getiterfunc)arrayiter_getiter,		/* tp_iter */
+	PyObject_GenericGetIter,		/* tp_iter */
 	(iternextfunc)arrayiter_next,		/* tp_iternext */
 	0,					/* tp_methods */
 };

Modules/xreadlinesmodule.c

@@ -81,13 +81,6 @@ xreadlines_item(PyXReadlinesObject *a, int i)
 	return xreadlines_common(a);
 }
 
-static PyObject *
-xreadlines_getiter(PyXReadlinesObject *a)
-{
-	Py_INCREF(a);
-	return (PyObject *)a;
-}
-
 static PyObject *
 xreadlines_iternext(PyXReadlinesObject *a)
 {
@@ -159,7 +152,7 @@ static PyTypeObject XReadlinesObject_Type = {
  	0,					/* tp_clear */
 	0,					/* tp_richcompare */
 	0,					/* tp_weaklistoffset */
-	(getiterfunc)xreadlines_getiter,	/* tp_iter */
+	PyObject_GenericGetIter,		/* tp_iter */
 	(iternextfunc)xreadlines_iternext,	/* tp_iternext */
 };