Hook up get_from_file_name

sugar/objects/__init__.py

@@ -1,2 +1 @@
-
-
+from sugar.objects import mime

sugar/objects/mime.py

@@ -1,4 +1,8 @@
-from sugar import _sugarext
-
-def get_from_filename(filename):
-    return _sugarext.get_mime_type_from_filename(filename)
+try:
+    from sugar import _sugarext
+except ImportError:
+    from sugar import ltihooks
+    from sugar import _sugarext
+    
+def get_from_file_name(file_name):
+    return _sugarext.get_mime_type_from_file_name(file_name)

tests/test-mime.py

@@ -16,6 +16,6 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
-from sugar import objects
+from sugar.objects import mime
 
-print objects.mime.get_from_filename('test.pdf')
+print mime.get_from_file_name('test.pdf')