lib/python/Components/config.py: more robust code

#refs #617

diff --git a/lib/python/Components/config.py b/lib/python/Components/config.py
index 44ad6d2..6e56085 100755 (executable)
--- a/lib/python/Components/config.py
+++ b/lib/python/Components/config.py
@@ -1647,9 +1647,12 @@ class Config(ConfigSubsection):
 
                        if not base_file: # not the initial config file..
                                #update config.x.y.value when exist
-                               configEntry = eval(name)
-                               if configEntry is not None:
-                                       configEntry.value = val
+                               try:
+                                       configEntry = eval(name)
+                                       if configEntry is not None:
+                                               configEntry.value = val
+                               except (SyntaxError, KeyError):
+                                       pass
 
                # we inherit from ConfigSubsection, so ...
                #object.__setattr__(self, "saved_value", tree["config"])