code: def build_catalog_info(self, catalog_info):
          
          cat = SourceFactory.build_catalog(**catalog_info)
          catalog_info['catalog'] = cat
          # catalog_info['catalog_table'] =
          #    Table.read(catalog_info['catalog_file'])
          catalog_info['catalog_table'] = cat.table
          catalog_info['roi_model'] =\
              SourceFactory.make_fermipy_roi_model_from_catalogs([cat])
          catalog_info['srcmdl_name'] =\
              self._name_factory.srcmdl_xml(sourcekey=catalog_info['catalog_name'])
          return CatalogInfo(**catalog_info)
docs: Build a CatalogInfo object