to do later?

NodeTree

{
  "export_version": "0.062",
  "framed_nodes": {},
  "groups": {},
  "nodes": {
    "Scripted Node Lite": {
      "bl_idname": "SvScriptNodeLite",
      "color": [
        0.0,
        0.800000011920929,
        0.949999988079071
      ],
      "height": 100.0,
      "hide": false,
      "label": "",
      "location": [
        -166.96636962890625,
        -106.84063720703125
      ],
      "params": {
        "script_name": "draw_override_complex.py",
        "script_str": "\"\"\"\nin floats_in s .=[] n=0.0\nout floats_out s\ndraw curve_draw\nui = my_temp_material, RGB Curves\n\"\"\"\n\nimport bpy\n\nfrom sverchok.utils.snlite_utils import get_valid_evaluate_function as get_evaluator\n\n# currently the node noame (here 'RGB Curves') must be uniqe per material.\n# copying nodes within the same nodetree  does not automatically 'bump' the nodename\n# to the next available. You must be aware of this current implementation limitation.\nevaluate = get_evaluator('my_temp_material', 'RGB Curves')\n\ndef curve_draw(self, context, layout):\n    m = bpy.data.materials.get('my_temp_material')\n    if not m:\n        return\n    tnode = m.node_tree.nodes['RGB Curves']\n    layout.template_curve_mapping(tnode, \"mapping\", type=\"NONE\")\n\n\nfloats_out = []\nfor flist in floats_in:\n    floats_out.append([evaluate(v) for v in flist])"
      },
      "snlite_ui": [
        "{\"node_name\": \"RGB Curves\", \"mat_name\": \"my_temp_material\", \"bl_idname\": \"ShaderNodeRGBCurve\", \"data\": [[[\"AUTO\", [0.0, 0.0]], [\"AUTO\", [1.0, 1.0]]], [[\"AUTO\", [0.0, 0.0]], [\"AUTO\", [1.0, 1.0]]], [[\"AUTO\", [0.0, 0.0]], [\"AUTO\", [1.0, 1.0]]], [[\"AUTO\", [0.0, 0.0]], [\"AUTO\", [0.34183675050735474, 0.6562504172325134]], [\"AUTO\", [1.0, 1.0]]]]}"
      ],
      "width": 216.14822387695312
    }
  },
  "update_lists": []
}