import graphene
from graphene_t2 import InputObjectType

class AddSomethingInput(InputObjectType):
    field1 = graphene.String(required=True)
    field2 = graphene.String(required=True)

class EditSomethingInput(AddSomethingInput):
    class T2Meta:
        required = {
            False: '__all__', # или список полей
            True: ['id'],
        }
    
    id = graphene.ID()

import graphene
from graphene_t2 import InputObjectType
from graphene_t2.features.changes import Alter, Deprecate

class SomeInputType(InputObjectType):
    class T2Meta:
        changes = [
            Deprecate('legacy_field1', '03/20', replaced_by='new_field1'),
            Deprecate('legacy_field2', '02/20', comment='Не используется'),
            Alter('new_field1', '03/20', required=True),
        ]

    legacy_field1 = graphene.String()
    legacy_field2 = graphene.String()
    new_field1 = graphene.String()

class Model1Type(DjangoObjectType):
       class T2Meta:
           can_order_by = ['id']


class Model2Type(DjangoObjectType):
       class T2Meta:
           can_order_by = ['id']
           default_ordering = 'id' # или '-id'


class Model3Type(DjangoObjectType):
       class T2Meta:
           can_order_by = ['id', 'name', 'date_created']
           default_ordering = '-date_created', 'name' # или ['-date_created', 'name']

from graphene_t2 import QueriesType


class Query1(QueriesType):
    class T2Meta:
        enable_ordering_for = '__auto__'
    
    items = graphene.List(Model1Type)

    def resolve_items(self, info, **kwargs):
        pass
    


class Query2(QueriesType):
    class T2Meta:
        enable_ordering_for = ['items']
    
    items = graphene.List(Model1Type)

    def resolve_items(self, info, sort_by):
        pass