How to use _register_subcommand_hooks method in autotest

Best Python code snippet using autotest_python

server_job.py

Source:server_job.py

...191        self.pkgmgr = packages.PackageManager(192            self.autodir, run_function_dargs={'timeout': 600})193        self.num_tests_run = 0194        self.num_tests_failed = 0195        self._register_subcommand_hooks()196        # these components aren't usable on the server197        self.bootloader = None198        self.harness = None199        # set up the status logger200        self._indenter = status_indenter()201        self._logger = base_job.status_logger(202            self, self._indenter, 'status.log', 'status.log',203            record_hook=server_job_record_hook(self))204    @classmethod205    # The unittests will hide this method, well, for unittesting206    # pylint: disable=E0202207    def _find_base_directories(cls):208        """209        Determine locations of autodir, clientdir and serverdir. Assumes210        that this file is located within serverdir and uses __file__ along211        with relative paths to resolve the location.212        """213        serverdir = os.path.abspath(os.path.dirname(__file__))214        autodir = os.path.normpath(os.path.join(serverdir, '..'))215        clientdir = os.path.join(autodir, 'client')216        return autodir, clientdir, serverdir217    # The unittests will hide this method, well, for unittesting218    # pylint: disable=E0202219    def _find_resultdir(self, resultdir):220        """221        Determine the location of resultdir. For server jobs we expect one to222        always be explicitly passed in to __init__, so just return that.223        """224        if resultdir:225            return os.path.normpath(resultdir)226        else:227            return None228    def _get_status_logger(self):229        """Return a reference to the status logger."""230        return self._logger231    @staticmethod232    def _load_control_file(path):233        f = open(path)234        try:235            control_file = f.read()236        finally:237            f.close()238        return re.sub('\r', '', control_file)239    def _register_subcommand_hooks(self):240        """241        Register some hooks into the subcommand modules that allow us242        to properly clean up self.hosts created in forked subprocesses.243        """244        def on_fork(cmd):245            self._existing_hosts_on_fork = set(self.hosts)246        def on_join(cmd):247            new_hosts = self.hosts - self._existing_hosts_on_fork248            for host in new_hosts:249                host.close()250        subcommand.subcommand.register_fork_hook(on_fork)251        subcommand.subcommand.register_join_hook(on_join)252    def init_parser(self):253        """...

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