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How to use _get_boot_subdir method in autotest

Best Python code snippet using autotest_python

base_sysinfo.py

Source:base_sysinfo.py

...156        if not glob.glob(os.path.join(self.sysinfodir, "*")):157            return -1158        else:159            return len(glob.glob(os.path.join(self.sysinfodir, "boot.*")))160    def _get_boot_subdir(self, next=False):161        reboot_count = self._get_reboot_count()162        if next:163            reboot_count += 1164        if reboot_count < 1:165            return self.sysinfodir166        else:167            boot_dir = "boot.%d" % (reboot_count - 1)168            return os.path.join(self.sysinfodir, boot_dir)169    def _get_iteration_subdir(self, test, iteration):170        iter_dir = "iteration.%d" % iteration171        logdir = os.path.join(self._get_sysinfodir(test.outputdir), iter_dir)172        if not os.path.exists(logdir):173            os.mkdir(logdir)174        return logdir175    @log.log_and_ignore_errors("post-reboot sysinfo error:")176    def log_per_reboot_data(self):177        """ Logging hook called whenever a job starts, and again after178        any reboot. """179        logdir = self._get_boot_subdir(next=True)180        if not os.path.exists(logdir):181            os.mkdir(logdir)182        for log in (self.test_loggables | self.boot_loggables):183            log.run(logdir)184        # also log any installed packages185        installed_path = os.path.join(logdir, "installed_packages")186        installed_packages = "\n".join(package.list_all()) + "\n"187        utils.open_write_close(installed_path, installed_packages)188    @log.log_and_ignore_errors("pre-test sysinfo error:")189    def log_before_each_test(self, test):190        """ Logging hook called before a test starts. """191        self._installed_packages = package.list_all()192        if os.path.exists("/var/log/messages"):193            stat = os.stat("/var/log/messages")194            self._messages_size = stat.st_size195            self._messages_inode = stat.st_ino196    @log.log_and_ignore_errors("post-test sysinfo error:")197    def log_after_each_test(self, test):198        """ Logging hook called after a test finishs. """199        test_sysinfodir = self._get_sysinfodir(test.outputdir)200        # create a symlink in the test sysinfo dir to the current boot201        reboot_dir = self._get_boot_subdir()202        assert os.path.exists(reboot_dir)203        symlink_dest = os.path.join(test_sysinfodir, "reboot_current")204        symlink_src = utils.get_relative_path(reboot_dir,205                                              os.path.dirname(symlink_dest))206        try:207            os.symlink(symlink_src, symlink_dest)208        except Exception, e:209            raise Exception, '%s: whilst linking %s to %s' % (e, symlink_src,210                                                              symlink_dest)211        # run all the standard logging commands212        for log in self.test_loggables:213            log.run(test_sysinfodir)214        # grab any new data from /var/log/messages215        self._log_messages(test_sysinfodir)...

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