Better solution for previous commit

svn: r16131

src/Filters/_FilterList.py

@@ -37,6 +37,18 @@ import sys
 from Filters._FilterParser import FilterParser
 from gen.plug import BasePluginManager
 
+def flatten(mylist):
+    """
+    Flattens a nested list into a single list.
+    """
+    retval = []
+    for item in mylist:
+        if isinstance(item, (list, tuple)):
+            retval.extend(flatten(item))
+        else:
+            retval.append(item)
+    return retval
+
 PLUGMAN = BasePluginManager.get_instance()
 #-------------------------------------------------------------------------
 #
@@ -85,7 +97,7 @@ class FilterList(object):
                 import traceback
                 traceback.print_exc()
             filters += plugin_filters
-        return filters
+        return flatten(filters)
 
     def add(self, namespace, filt):
         assert(isinstance(namespace, basestring))

src/Filters/_FilterMenu.py

@@ -46,9 +46,5 @@ def build_filter_model(space, local = []):
         return None
 
     for filt in flist:
-        if isinstance(filt, (list, tuple)):
-            for subfilt in filt:
-                model.append(row=[subfilt.get_name(), subfilt])
-        else:
         model.append(row=[filt.get_name(), filt])
     return model