@staticmethod
    def _write_parts(phys_writer, parts):
        for part in parts:
            phys_writer.write(part.partname, part.blob)
            if len(part._rels):
                phys_writer.write(part.partname.rels_uri, part._rels.xml)
Write the blob of each part in *parts* to the package, along with a
dataset/ETHPy150Open scanny/python-pptx/pptx/opc/pkgwriter.py/PackageWriter._write_parts