Migration of "__validators__" from version 1 to version 2

[tteguayco]

I am currently in the process of migrating Pydantic from version 1 to version 2 in a huge FastAPI app.

Summing up a lot, we have set up some logic that allows us to inherite from an existing Pydantic model and specify if we want a reduced set of fields in the new model. For that, we have a method and logic as follows:

def view(
    model,
    name="_View",
    exclude: List[str] = [],
):
    ...

    view_model = create_model(name, __base__=model)
   
    if exclude:
        view_model.__fields__ = {
            k: v for (k, v) in view_model.__fields__.items() if k not in exclude
        }
        view_model.__annotations__ = {
            k: v for (k, v) in view_model.__annotations__.items() if k not in exclude
        }
        view_model.__validators__ = {
            k: v for (k, v) in view_model.__validators__.items() if k not in exclude
        }

Concretely for this piece:

view_model.__validators__ = {
    k: v for (k, v) in view_model.__validators__.items() if k not in exclude
}

I would expect that it could be migrated to something like the following, by having a look at the migration guide:

view_model.__pydantic_validator__= {
    k: v for (k, v) in view_model.__pydantic_validator__.items() if k not in exclude
}

However, it seems that the new __pydantic_validator__ property does not have an items() method.

Is there any way of migrating this small piece of logic?