def METHOD_NAME(self):
    """ Open the daemon context and run the application.
        """
    if self.pidfile.is_locked():
        pidfile_path = self.pidfile.path
        if pidfile_lock_is_stale(self.pidfile):
            self.pidfile.break_lock()
        else:
            error = SystemExit(
                "PID file %(pidfile_path)r already locked"
                % vars())
            raise error
    self.daemon_context.open()
    pid = os.getpid()
    message = self.start_message % vars()
    sys.stderr.write("%(message)s\n" % vars())
    sys.stderr.flush()
    self.app.run()