@abc.abstractmethod
    def update_router_precommit(self, context, router_context):
        pass
_read_log_conf(proc_name, log_dir) -> StringIO or None
dataset/ETHPy150Open openstack/networking-cisco/networking_cisco/plugins/cisco/l3/drivers/__init__.py/L3RouterBaseDriver.update_router_precommit--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/src/desktop/log/__init__.py/_read_log_conf