code: def add_class_to_package(
      class_codes, class_names, module_name, package_dir
  ):
      module_python_filename = os.path.join(
          package_dir, "%s.py" % module_name
      )
      f_m = open(module_python_filename, "w")
      f_i = open(os.path.join(package_dir, "__init__.py"), "a+")
      f_m.write(
          """# -*- coding: utf-8 -*-
  \"\"\"Autogenerated file - DO NOT EDIT
  If you spot a bug, please report it on the mailing list and/or change the generator.\"\"\"\n\n"""
      )
      imports = """\
  from ..base import (CommandLine, CommandLineInputSpec, SEMLikeCommandLine, TraitedSpec,
                      File, Directory, traits, isdefined, InputMultiPath, OutputMultiPath)
  import os\n\n\n"""
      f_m.write(imports)
      f_m.write("\n\n".join(class_codes))
      f_i.write(
          "from {} import {}\n".format(
              module_name, ", ".join(class_names)
          )
      )
      f_m.close()
      f_i.close()
  
file_path: nipype/nipype/interfaces/slicer/generate_classes.py
imports: import xml.dom.minidom
  import subprocess
  import os
  from shutil import rmtree
  import keyword
label_desc: Use image node_id 2 for calling a global function with example usage: add_class_to_package(class_codes, class_names, module_name, package_dir) without return types