@classmethod
    def arguments_processor(cls, etl, input_args):
        step_args = cls.base_arguments_processor(etl, input_args)
        cls.pop_inputs(step_args)

        return step_args
get all sub-commands
dataset/ETHPy150Open coursera/dataduct/dataduct/steps/create_update_sql.py/CreateUpdateSqlStep.arguments_processor--crossover with--dataset/ETHPy150Open pydoit/doit/doit/doit_cmd.py/DoitMain.get_cmds