# Copyright (c) 2017 Ultimaker B.V. # Cura is released under the terms of the LGPLv3 or higher. class XmlMaterialValidator(): @classmethod def validateMaterialMetaData(cls, validation_metadata): if validation_metadata.get("GUID") is None: return "Missing GUID" if validation_metadata.get("brand") is None: return "Missing Brand" if validation_metadata.get("material") is None: return "Missing Material" if validation_metadata.get("version") is None: return "Missing Version" return None