[pygobject/invoke-rewrite] [gi] allow marshalling None for hashes

[John Palmieri <johnp src gnome org>]

commit f0b17605ed2eb917b350654b070984beb553eae3
Author: John (J5) Palmieri <johnp redhat com>
Date:   Wed Jan 19 09:41:13 2011 -0500

    [gi] allow marshalling None for hashes

 gi/pygi-argument.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gi/pygi-argument.c b/gi/pygi-argument.c
index 026af73..c38c0c4 100644
--- a/gi/pygi-argument.c
+++ b/gi/pygi-argument.c
@@ -2800,6 +2800,11 @@ _pygi_marshal_in_ghash (PyGIInvokeState   *state,
     GHashTable *hash_ = NULL;
     PyGIHashCache *hash_cache = (PyGIHashCache *)arg_cache;
 
+    if (py_arg == Py_None) {
+        arg->v_pointer = NULL;
+        return TRUE;
+    }
+ 
     py_keys = PyMapping_Keys(py_arg);
     if (py_keys == NULL) {
         PyErr_Format (PyExc_TypeError, "Must be mapping, not %s",