def save(self, pkg_file):
        for part in self.parts:
            part.before_marshal()
        PackageWriter.write(pkg_file, self.rels, self.parts)
Returns a QuerySet of all model instances that can be edited by the
dataset/ETHPy150Open python-openxml/python-docx/docx/opc/package.py/OpcPackage.save--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/contrib/admin/options.py/BaseModelAdmin.get_queryset