def postOptions(self):
        self["dry-run"] = bool(self["dry-run"])
        if self["config-file"] is None:
            raise UsageError("Missing --config-file option.")
        self.setdefault(
            'node-name-prefixes',
            list(DEFAULT_NODE_NAME_PREFIXES)
        )
Return an |OpcPackage| instance loaded with the contents of
dataset/ETHPy150Open ClusterHQ/flocker/admin/cleanup.py/CleanupCloudResourcesOptions.postOptions--crossover with--dataset/ETHPy150Open scanny/python-pptx/pptx/opc/package.py/OpcPackage.open