code: def BlockContext_init(self, *args, **kwargs):
      if scripts.scripts_current is not None:
          scripts.scripts_current.before_component(self, **kwargs)
  
      scripts.script_callbacks.before_component_callback(self, **kwargs)
  
      res = original_BlockContext_init(self, *args, **kwargs)
  
      add_classes_to_gradio_component(self)
  
      scripts.script_callbacks.after_component_callback(self, **kwargs)
  
      if scripts.scripts_current is not None:
          scripts.scripts_current.after_component(self, **kwargs)
  
      return res
  
imports: import gradio
  from modules import scripts, ui_tempdir, patches
label_desc: Use image node_id 4 for calling a global function with example usage: BlockContext_init() and returns: res