self.supersedes_config_with_cmd_line_options()
# set dbfile
self.config['sima']['db_file'] = join(self.config['sima']['var_dir'], 'sima.db')
self.supersedes_config_with_cmd_line_options()
# set dbfile
self.config['sima']['db_file'] = join(self.config['sima']['var_dir'], 'sima.db')