code: def get_raw(self, name):
          
          try:
              ret = self.es.get(index=self.index_name, doc_type=self.DOC_TYPE,
                                id=name, _source=self.PACKAGE_FIELDS)
              if ret['found']:
                  source = ret['_source']
                  return (name,
                          source.get('origin_url'),
                          source.get('package'),
                          source.get('model'),
                          source.get('dataset'),
                          source.get('author'),
                          source.get('loading_status'),
                          source.get('loaded', True))
              raise KeyError(name)
          except NotFoundError:
              raise KeyError(name)
docs: Get all data for a package in the registry
          :returns tuple of:
              name: name for the model
              datapackage_url: origin URL for the datapackage which is the source
              for this model
              datapackage: datapackage object from which this model was derived
              dataset_name: Title of the dataset
              author: Author of the dataset
              model: model to save