def load(self, conf):
        self._precache()
        self._cache(conf)
        # NOTE(imelnikov): some confs may be partially processed, so
        # we have to ensure all the options got loaded.
        for opt in self._cached[conf].iterkeys():
            self._load_option(conf, opt)
        # TODO(imelnikov: can we really restore original order here?
        self._processed[conf] = utils.OrderedDict(
            sorted(self._processed.get(conf, {}).iteritems())
        )
        return self._processed[conf]
Load config `conf` from same yaml file with and resolve all
dataset/ETHPy150Open openstack/anvil/anvil/cfg.py/YamlRefLoader.load