docs: def _get_user_dir(self):
          '''
          Get the user's home directory.
          '''
          try:
              # This should work in both Windows and Unix environments
              for envname in ['USERPROFILE', 'HOME']:
                  user_dir = os.getenv(envname)
                  if user_dir is not None:
                      return user_dir
          except KeyboardInterrupt as e:
              raise e
          except Exception:
              pass
  
          return ''