def handle(self):
		run_root = self.__backend_mgr.get_run_root(self.__task.data['backend'], self.__task.data['id'])

		main_root = os.path.join(run_root, 'main')

		safe_rmdir(main_root)
		safe_mkdir(main_root)

		self.__create_input(main_root)
		self.__create_context(main_root)
		self.__create_action(main_root)
		self.__create_navigator(main_root)
		self.__create_bootstrap(main_root)

		launcher_param = self.__create_launcher(run_root)

		self.__submit(launcher_param)
def _expandsets(kindpats, ctx):
    """Returns the kindpats list with the 'set' patterns expanded."""
    fset = set()
    other = []

    for kind, pat, source in kindpats:
        if kind == "set":
            if not ctx:
                raise error.ProgrammingError("fileset expression with no " "context")
            s = ctx.getfileset(pat)
            fset.update(s)
            continue
        other.append((kind, pat, source))
    return fset, other