import typing


def construct_query_class(cls):
    annotations = {key: typing.Optional[value] for key, value in cls.__annotations__.items()}
    return type(cls.__name__ + 'Query', (), {'__annotations__': annotations})


class SomeResource:
    id: int
    name: str


SomeResourceQuery = construct_query_class(SomeResource)

if __name__ == "__main__":
    test0: SomeResource = SomeResource()
    test0.id = 1
    test0.name = "stian"

    test: SomeResourceQuery = SomeResourceQuery()
    test.id = 1  # Pycharm isn't helping with autocompletion here

    # Also, mypy has this to say about this file:
    #   testing.py:21: error: Variable "testing.SomeResourceQuery" is not valid as a type
    #   testing.py:21: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
    #   testing.py:22: error: SomeResourceQuery? has no attribute "id"
    #   Found 2 errors in 1 file (checked 1 source file)