1 import ConfigParser

     2 try:

     3     undo_actions = config.cfgfile_parser.get('MAIN', 'undo-support', False)

     4 except ConfigParser.NoOptionError:

     5     pass # this conf. file was probably already migrated

     6 else:

     7     config.global_set_option('undo-enabled', bool(undo_actions))