Hello. I try to make a simple structured model of data (categories for articles instances) and now cant find right way to reorder/rebuild list of elements, which rendering in admin site. Explain: It's easy to switch ordering by 'ordering = ['field_name']', but it's just an order. I need to change algorithm which choose order of elements for render. I need make tree such structure -root_category_1 --child_category_1 --child_category_2 --child_category_3 -root_category_2 --child_category_1 --child_category_2 etc. In addition i need to order elemnts in that branches. But i think it's not hard... So how can i do it? In documentation i find nice way - use queryset function. But it should to return queryset... and i can't create structure what i need in one queryset... How can i solve it?
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