def load_bioassembly_info_from_file(self, biomol_num):
        """Load metadata about a bioassembly (such as chains and their transformations) from a structure file.
        """

        # current functionality is to take in a pre-assembled bioassembly file, parse it's MODELs and get info from that
        pass
        from Bio.PDB import PDBParser
        p = PDBParser(PERMISSIVE=True, QUIET=True)

        structure = StructureIO(self.structure_path, self.file_type)

        structure = p.get_structure('tmp', infile)
        bioass_to_chain_stoich = defaultdict(int)
        for model in structure:
            for chain in model:
                bioass_to_chain_stoich[chain.id] += 1
        return dict(bioass_to_chain_stoich)
Load metadata about a bioassembly (such as chains and their transformations) from a structure file.