Allow newer filters to add items to older filters, and still work

svn: r16205

src/Filters/Rules/_Rule.py

@@ -28,6 +28,14 @@
 #-------------------------------------------------------------------------
 from gen.ggettext import gettext as _
 
+#-------------------------------------------------------------------------
+#
+# enable logging for error handling
+#
+#-------------------------------------------------------------------------
+import logging
+log = logging.getLogger(".")
+
 #-------------------------------------------------------------------------
 #
 # Rule
@@ -88,10 +96,10 @@ class Rule(object):
  
     def set_list(self, arg):
         assert isinstance(arg, list) or arg is None, "Argument is not a list"
-        assert len(arg) == len(self.labels), \
-               "ERROR: Number of arguments does not match number of labels.\n"\
-               "       list:   %s\n"\
-               "       labels: %s" % (arg,self.labels)
+        if len(arg) != len(self.labels):
+               log.warning(("Number of arguments does not match number of labels.\n" +
+                            "   list:   %s\n" +
+                            "   labels: %s") % (arg,self.labels))
         self.list = arg
 
     def values(self):

src/gui/filtereditor.py

@@ -569,7 +569,8 @@ class EditRule(ManagedWindow.ManagedWindow):
             (class_obj, vallist, tlist) = self.page[page]
             r = self.active_rule.values()
             for i in range(0, len(tlist)):
-                tlist[i].set_text(r[i])
+                if i < len(r):
+                    tlist[i].set_text(r[i])
             
         self.selection.connect('changed', self.on_node_selected)
         self.rname.connect('button-press-event', self._button_press)