Add 'N' format character to Py_BuildValue -- like 'O' but doesn't INCREF.
Patch and suggestion by Greg Couch.
diff --git a/Python/modsupport.c b/Python/modsupport.c
index 6066aa8..56bde9e 100644
--- a/Python/modsupport.c
+++ b/Python/modsupport.c
@@ -332,6 +332,7 @@
return v;
}
+ case 'N':
case 'S':
case 'O':
if (**p_format == '&') {
@@ -345,7 +346,8 @@
PyObject *v;
v = va_arg(*p_va, PyObject *);
if (v != NULL)
- Py_INCREF(v);
+ if (*(*p_format - 1) != 'N')
+ Py_INCREF(v);
else if (!PyErr_Occurred())
/* If a NULL was passed
* because a call that should