code: def mirror_files_into_torchgen():
      # (new_path, orig_path)
      # Directories are OK and are recursively mirrored.
      paths = [
          (
              "torchgen/packaged/ATen/native/native_functions.yaml",
              "aten/src/ATen/native/native_functions.yaml",
          ),
          (
              "torchgen/packaged/ATen/native/tags.yaml",
              "aten/src/ATen/native/tags.yaml",
          ),
          (
              "torchgen/packaged/ATen/templates",
              "aten/src/ATen/templates",
          ),
          ("torchgen/packaged/autograd", "tools/autograd"),
          (
              "torchgen/packaged/autograd/templates",
              "tools/autograd/templates",
          ),
      ]
      for new_path, orig_path in paths:
          # Create the dirs involved in new_path if they don't exist
          if not os.path.exists(new_path):
              os.makedirs(os.path.dirname(new_path), exist_ok=True)
  
          # Copy the files from the orig location to the new location
          if os.path.isfile(orig_path):
              shutil.copyfile(orig_path, new_path)
              continue
          if os.path.isdir(orig_path):
              if os.path.exists(new_path):
                  # copytree fails if the tree exists already, so remove it.
                  shutil.rmtree(new_path)
              shutil.copytree(orig_path, new_path)
              continue
          raise RuntimeError(
              "Check the file paths in `mirror_files_into_torchgen()`"
          )
  
imports: import sys
  import platform
  import filecmp
  import glob
  import importlib
  import json
  import os
  import shutil
  import subprocess
  import sysconfig
  import time
  from collections import defaultdict
  import setuptools.command.build_ext
  import setuptools.command.install
  import setuptools.command.sdist
  from setuptools import Extension, find_packages, setup
  from setuptools.dist import Distribution
  from tools.build_pytorch_libs import build_caffe2
  from tools.generate_torch_version import get_torch_version
  from tools.setup_helpers.cmake import CMake
  from tools.setup_helpers.env import build_type, IS_DARWIN, IS_LINUX, IS_WINDOWS
label_desc: Use image node_id 3 for calling a global function with example usage: mirror_files_into_torchgen() without return types