Use correct root directory when searching for data files

bin/gtranscribe

@@ -62,7 +62,8 @@ class gTranscribeWindow:
     def __init__(self):
         builder = Gtk.Builder()
         builder.set_translation_domain('gTranscribe')
-        builder.add_from_file(get_data_file('ui', 'gTranscribe.glade'))
+        builder.add_from_file(get_data_file(PROJECT_ROOT_DIRECTORY, 'ui',
+                                            'gTranscribe.glade'))
         builder.connect_signals(self)
         self.window = builder.get_object("gtranscribe_window")
 
@@ -71,8 +72,8 @@ class gTranscribeWindow:
             icon = icon_theme.load_icon('gtranscribe', 128, 0)
         else:
             icon = GdkPixbuf.Pixbuf.new_from_file_at_scale(
-                get_data_file('icons', 'scalable', 'apps', 'gtranscribe.svg'),
-                128, 128, 0)
+                get_data_file(PROJECT_ROOT_DIRECTORY, 'icons', 'scalable',
+                              'apps', 'gtranscribe.svg'), 128, 128, 0)
         self.window.set_default_icon(icon)
 
         self.text_view = builder.get_object("text_view")

gtranscribe/helpers.py

@@ -140,16 +140,14 @@ def md5_of_file(fname):
     return md5.hexdigest()
 
 
-def get_data_file(*path_segments):
+def get_data_file(root_dir, *path_segments):
     """Return the absolute path of the given data file."""
     # Where to look for data (ui and image files). By default,
     # this is ../data, relative your trunk layout
-    data_directory = os.path.abspath(
-        os.path.join(os.path.dirname(__file__), '../data/'))
+    data_directory = os.path.join(root_dir, 'data/')
 
     # If this path does not exist fall back to system wide directory
     if not os.path.exists(data_directory):
-        data_directory = os.path.abspath(
-            os.path.join(os.path.dirname(__file__), '../share/gTranscribe/'))
+        data_directory = os.path.join(root_dir, 'share/gTranscribe/')
 
     return os.path.join(data_directory, *path_segments)