[pygobject] pyg_value_from_pyobject(): Simplify GVariant type check

[Martin Pitt <martinpitt src gnome org>]

commit f3b77f4304be20b7422c262b973f3eeb540c4bf6
Author: Martin Pitt <martinpitt gnome org>
Date:   Wed Nov 14 09:33:43 2012 +0100

    pyg_value_from_pyobject(): Simplify GVariant type check
    
    Use pyg_type_from_object_strict() instead of the much more expensive and local
    pyg_get_gvariant_type().

 gi/_gobject/pygtype.c |   23 +----------------------
 1 files changed, 1 insertions(+), 22 deletions(-)
---
diff --git a/gi/_gobject/pygtype.c b/gi/_gobject/pygtype.c
index fe2c3b6..adc8c12 100644
--- a/gi/_gobject/pygtype.c
+++ b/gi/_gobject/pygtype.c
@@ -727,26 +727,6 @@ pyg_value_array_from_pyobject(GValue *value,
     return 0;
 }
 
-static
-PyObject *
-pyg_get_gvariant_type()
-{
-    static PyObject *variant_type = NULL;
-    PyObject *py_module;
-
-    if (variant_type == NULL) {
-	py_module = PyImport_ImportModule ("gi.repository.GLib");
-	if (py_module == NULL)
-	    return NULL;
-
-	variant_type = PyObject_GetAttrString (py_module, "Variant");
-
-	Py_DECREF (py_module);
-    }
-
-    return variant_type;
-}
-
 /**
  * pyg_value_from_pyobject:
  * @value: the GValue object to store the converted value in.
@@ -1013,10 +993,9 @@ pyg_value_from_pyobject(GValue *value, PyObject *obj)
 	break;
     case G_TYPE_VARIANT:
         {
-            PyObject* variant_type = pyg_get_gvariant_type();
             if (obj == Py_None)
                 g_value_set_variant(value, NULL);
-            else if (variant_type != NULL && PyObject_IsInstance(obj, variant_type))
+            else if (pyg_type_from_object_strict(obj, FALSE) == G_TYPE_VARIANT)
                 g_value_set_variant(value, pyg_boxed_get(obj, GVariant));
             else
                 return -1;