DaemonCommand.py 文件源码

def handle_daemon(self, name, daemon):
        """
        Executes the daemon command.

        :param str name: The name of the daemon.
        :param * daemon: The daemon, i.e. object with main method.
        """
        self.output = EnarkshStyle(self.input, self.output)

        log = logging.getLogger('enarksh')
        log.setLevel(logging.INFO)
        log_formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')

        if self.option('daemonize'):
            config = Config.get()

            log_file_name = os.path.join(C.HOME, config.get_enarksh_log_dir(), name + '.log')
            pid_file_name = os.path.join(C.HOME, config.get_enarksh_lock_dir(), name + '.pid')

            log_handler = logging.handlers.RotatingFileHandler(log_file_name,
                                                               maxBytes=config.get_enarksh_max_log_size(),
                                                               backupCount=config.get_enarksh_log_back())
            log_handler.setLevel(logging.DEBUG)
            log_handler.setFormatter(log_formatter)
            log.addHandler(log_handler)

            output = open(log_file_name, 'ab', 0)

            context = DaemonContext()
            context.working_directory = C.HOME
            context.umask = 0o002
            context.pidfile = PIDLockFile(pid_file_name, False)
            context.stdout = output
            context.stderr = output
            context.files_preserve = [log_handler.stream]

            with context:
                daemon.main()
        else:
            log_handler = logging.StreamHandler(sys.stdout)
            log_handler.setLevel(logging.DEBUG)
            log_handler.setFormatter(log_formatter)
            log.addHandler(log_handler)

            daemon.main()

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