Fix sudo os.getenv(XDG_DATA_DIRS) problem

setup.py

@@ -54,14 +54,13 @@ py2exe_dependencies = [
 # Set icons path
 if PY2EXE:
     icons_path = 'icons'
+    
+    fallback_icons_path = ''
 else:
     # On windows you have to copy the icons manually if you dont use py2exe
-    xdg_data_dirs = os.getenv('XDG_DATA_DIRS')
+    icons_path = '/usr/local/share/icons/hicolor/'
     
-    if xdg_data_dirs is None:
-        icons_path = '/usr/share/pixmaps/'
-    else:
-        icons_path = '/usr/local/share/icons/hicolor/'
+    fallback_icons_path = '/usr/share/pixmaps/'
 
 # Set params
 if PY2EXE:
@@ -78,12 +77,15 @@ if PY2EXE:
 else:
     data_files = []
     if os.name != 'nt':
-        if xdg_data_dirs is not None:
-            for index, size in enumerate(ICONS_SIZE):
-                data_file = (icons_path + size + '/apps', [ICONS_LIST[index]])
-                data_files.append(data_file)
-        else:
-            data_files = [(icons_path, ICONS_LIST)]
+        # Create all the hicolor icons
+        for index, size in enumerate(ICONS_SIZE):
+            data_file = (icons_path + size + '/apps', [ICONS_LIST[index]])
+            data_files.append(data_file)
+        
+        if fallback_icons_path != '':
+            # Add the 48x48 icon as fallback in /usr/share/pixmaps
+            data_file = (fallback_icons_path, [ICONS_LIST[2]])
+            data_files.append(data_file)
 
     params = {
         'data_files': data_files