code: def reload(self):
          
          pid = self._read_pidfile()
          if pid is None or pid != os.getpid():
              raise DaemonError(
                  'Daemon.reload() should only be called by the daemon process '
                  'itself')
  
          # Copy the current environment
          new_environ = os.environ.copy()
          new_environ['DAEMONOCLE_RELOAD'] = 'true'
          # Start a new python process with the same arguments as this one
          subprocess.call(
              [sys.executable] + sys.argv, cwd=self._orig_workdir,
              env=new_environ)
          # Exit this process
          self._shutdown('Shutting down for reload')
docs: Make the daemon reload itself.