def make_category(self, string, parent=None, order=1):
        """
        Make and save a category object from a string
        """
        cat = Category(
            name=string.strip(),
            slug=slugify(SLUG_TRANSLITERATOR(string.strip()))[:49],
            # arent=parent,
            order=order
        )
        cat._tree_manager.insert_node(cat, parent, 'last-child', True)
        cat.save()
        if parent:
            parent.rght = cat.rght + 1
            parent.save()
        return cat
Make and save a category object from a string