code: def code(self):
      return self._code
  
imports: import re
  import numpy
  from .globject import GLObject
  from .buffer import VertexBuffer, IndexBuffer, DataBuffer
  from .texture import BaseTexture, Texture2D, Texture3D, Texture1D, TextureCube
  from ..util import logger
  from .util import check_enum
  from .context import get_current_canvas
  from .preprocessor import preprocess
label_desc: Use image node_id 2 for calling the Shader obj's underlying member method code with example usage: obj.code() and returns: self