code: def get_buttons(evt_buttons):
      NoButton = QtCore.Qt.MouseButton.NoButton
      btns = NoButton
      for x in evt_buttons:
          btns |= MBLUT.get(x, NoButton)
      return btns
  
imports: import jupyter_rfb
  import numpy
  from ..None import functions
  from ..None import graphicsItems, widgets
  from ..Qt import QtCore, QtGui
label_desc: Use image node_id 1 for calling a global function with example usage: get_buttons(evt_buttons) and returns: btns