def get_option(self, option_string):
        option_levels = option_string.split('.')
        cur_item = self._config
        for level in option_levels:
            if cur_item and (level in cur_item):
                cur_item = cur_item[level]
            else:
                return None

        return cur_item
Returns the option from the config specified by the option_string.
dataset/ETHPy150Open openstack/bandit/bandit/core/config.py/BanditConfig.get_option