def save(self):
        self.reader.save()
If an object is found matching filter attrs, then update
dataset/ETHPy150Open tooxie/shiva-server/shiva/utils.py/MetadataManager.save--crossover with--dataset/ETHPy150Open fp7-ofelia/ocf/expedient/src/python/expedient/common/utils/__init__.py/create_or_update