code: def do_install_data(self):
      # Hack for packages that install data to install's --install-lib
      self.get_finalized_command("install").install_lib = self.bdist_dir
  
      site_packages = os.path.normcase(os.path.realpath(_get_purelib()))
      old, self.distribution.data_files = (
          self.distribution.data_files,
          [],
      )
  
      for item in old:
          if isinstance(item, tuple) and len(item) == 2:
              if os.path.isabs(item[0]):
                  realpath = os.path.realpath(item[0])
                  normalized = os.path.normcase(realpath)
                  if (
                      normalized == site_packages
                      or normalized.startswith(site_packages + os.sep)
                  ):
                      item = realpath[len(site_packages) + 1 :], item[1]
                      # XXX else: raise ???
          self.distribution.data_files.append(item)
  
      try:
          log.info("installing package data to %s", self.bdist_dir)
          self.call_command("install_data", force=0, root=None)
      finally:
          self.distribution.data_files = old
  
imports: from distutils.dir_util import remove_tree, mkpath
  from distutils import log
  from types import CodeType
  import sys
  import os
  import re
  import textwrap
  import marshal
  from setuptools.extension import Library
  from setuptools import Command
  from .._path import ensure_directory
  from sysconfig import get_path, get_python_version
label_desc: Use image node_id 3 for calling the bdist_egg obj's underlying member method code with example usage: obj.do_install_data() without return types