def extract_metadata(self, metadata_node):
        metadata = {}
        if metadata_node is not None:
            for meta_node in self.find_children_named(metadata_node, "meta"):
                key = meta_node.getAttribute("key")
                metadata[key] = self.extract_text(meta_node)
        return metadata
Return the latest timestamp from among our children
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/api/openstack/wsgi.py/MetadataXMLDeserializer.extract_metadata--crossover with--dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Node/FS.py/Dir.get_timestamp