def __create_bootstrap(self, main_root):
		bootstrap_dir = os.path.join(main_root, 'bootstrap')
		safe_mkdir(bootstrap_dir)

		bootstrap = self.__config_mgr.bootstrap()
		self.__bootstrap_mgr.create_bootstrap(bootstrap, bootstrap_dir)
def current_label_start(self):
        if self.current_label and self.message:
            return self.message.get_label_range(self.current_label, self.proto_view, False)[0]
        else:
            return -1