@dataclass
class MyClass
    conf: dict[str, any]

class Container(containers.DeclarativeContainer):
    config = providers.Configuration()
    
    my_class_factory = providers.Factory(MyClass, config.conf)


container = Container()
container.config.from_yaml("config.yaml")
obj = container.my_class_factory()

@dataclass
class MyClass
    conf: dict[str, any]

class Container(containers.DeclarativeContainer):
    config = providers.Configuration()
    
    my_class_factory = providers.Factory(MyClass)


container = Container()
container.config.from_yaml("config.yaml")
obj = container.my_class_factory(conf={**container.config["conf"], "c": 67})