mock.py

class ConfigParam():
    def __init__(self, param_name, param_type, default):
        self.param_name = param_name

        # get parameter from config
        _param = param_from_config()

        if param_type:
            # cast it to required type
            self.value = asWhateverType(_param)

    def __hash__(self):
        self.param_name.__hash__

class ModuleParams():
    def add(self, config_param):
        self.__setattr__(config_param.param_name, config_param.value)


class Module():
    def __init__(self):
        super()
        self.params.add(ConfigParam('show_stuff', bool, True))

    def update(self):
        if self.params.show_stuff:
            showStuff()