code: def setup_model(dirname):
      try:
          os.makedirs(model_path, exist_ok=True)
          from gfpgan import GFPGANer
          from facexlib import detection, parsing  # noqa: F401
  
          global user_path
          global have_gfpgan
          global gfpgan_constructor
          global model_file_path
  
          facexlib_path = model_path
  
          if dirname is not None:
              facexlib_path = dirname
  
          load_file_from_url_orig = gfpgan.utils.load_file_from_url
          facex_load_file_from_url_orig = (
              facexlib.detection.load_file_from_url
          )
          facex_load_file_from_url_orig2 = (
              facexlib.parsing.load_file_from_url
          )
  
          def my_load_file_from_url(**kwargs):
              return load_file_from_url_orig(
                  **dict(kwargs, model_dir=model_file_path)
              )
  
          def facex_load_file_from_url(**kwargs):
              return facex_load_file_from_url_orig(
                  **dict(kwargs, save_dir=facexlib_path, model_dir=None)
              )
  
          def facex_load_file_from_url2(**kwargs):
              return facex_load_file_from_url_orig2(
                  **dict(kwargs, save_dir=facexlib_path, model_dir=None)
              )
  
          gfpgan.utils.load_file_from_url = my_load_file_from_url
          facexlib.detection.load_file_from_url = (
              facex_load_file_from_url
          )
          facexlib.parsing.load_file_from_url = (
              facex_load_file_from_url2
          )
          user_path = dirname
          have_gfpgan = True
          gfpgan_constructor = GFPGANer
  
          class FaceRestorerGFPGAN(
              modules.face_restoration.FaceRestoration
          ):
              def name(self):
                  return "GFPGAN"
  
              def restore(self, np_image):
                  return gfpgan_fix_faces(np_image)
  
          shared.face_restorers.append(FaceRestorerGFPGAN())
      except Exception:
          errors.report("Error setting up GFPGAN", exc_info=True)
  
file_path: stable-diffusion-webui/modules/gfpgan_model.py
imports: import os
  import facexlib
  import gfpgan
  import modules.face_restoration
  from modules import paths, shared, devices, modelloader, errors
label_desc: Use image node_id 4 for calling a global function with example usage: setup_model(dirname) and returns: load_file_from_url_orig, facex_load_file_from_url_orig, facex_load_file_from_url_orig2, str, gfpgan_fix_faces