[pybank] Make sure the wrapper class has been registered

[Johan Dahlin <johan src gnome org>]

commit 9547149a9fa45deddde6215726c390fe3be78c48
Author: Tomeu Vizoso <tomeu sugarlabs org>
Date:   Thu May 21 17:27:21 2009 +0200

    Make sure the wrapper class has been registered
---
 bank/bank-argument.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/bank/bank-argument.c b/bank/bank-argument.c
index b9c55d5..76745d4 100644
--- a/bank/bank-argument.c
+++ b/bank/bank-argument.c
@@ -285,6 +285,25 @@ pyg_argument_to_pyobject(GArgument *arg, GITypeInfo *type_info)
             GValue value;
             GObject* obj = arg->v_pointer;
             GType gtype = G_OBJECT_TYPE(obj);
+            GIRepository *repo = g_irepository_get_default();
+            GIBaseInfo *object_info = g_irepository_find_by_gtype(repo, gtype);
+            const gchar *module_name;
+            const gchar *type_name;
+
+            if (object_info == NULL) {
+                // TODO: can we do something smarter here?
+                g_warning("g_irepository_find_by_gtype failed to return an info for %s",
+                          g_type_name(gtype));
+            } else {
+                module_name = g_base_info_get_namespace(object_info);
+                type_name = g_base_info_get_name(object_info);
+
+                // This will make sure the wrapper class is registered.
+                char buf[250];
+                snprintf(buf, sizeof(buf), "%s.%s", module_name, type_name);
+                PyRun_SimpleString(buf);
+            }
+
             value.g_type = gtype;
             value.data[0].v_pointer = obj;
             return pyg_value_as_pyobject(&value, FALSE);