code: def _get_vispy_font_filename(face, bold, italic):
      """Fetch a remote vispy font"""
      name = face + "-"
      name += "Regular" if not bold and not italic else ""
      name += "Bold" if bold else ""
      name += "Italic" if italic else ""
      name += ".ttf"
      return op.join(op.dirname(__file__), "data", name)
  
label_desc: Use image node_id 1 for calling a global function with example usage: _get_vispy_font_filename(face, bold, italic) and returns: op