How to use the ubelt.util_path.ensuredir function in ubelt

if __win32_can_symlink__ is not None and not force:
        return __win32_can_symlink__

    from ubelt import util_platform
    tempdir = util_platform.ensure_app_cache_dir('ubelt', '_win32_can_symlink')

    util_io.delete(tempdir)
    util_path.ensuredir(tempdir)

    dpath = join(tempdir, 'dpath')
    fpath = join(tempdir, 'fpath.txt')

    dlink = join(tempdir, 'dlink')
    flink = join(tempdir, 'flink.txt')

    util_path.ensuredir(dpath)
    util_io.touch(fpath)

    # Add broken variants of the links for testing purposes
    # Its ugly, but so is all this windows code.
    if testing:
        broken_dpath = join(tempdir, 'broken_dpath')
        broken_fpath = join(tempdir, 'broken_fpath.txt')
        # Create files that we will delete after we link to them
        util_path.ensuredir(broken_dpath)
        util_io.touch(broken_fpath)

    try:
        _win32_symlink(dpath, dlink)
        if testing:
            _win32_symlink(broken_dpath, join(tempdir, 'broken_dlink'))
        can_symlink_directories = os.path.islink(dlink)

>>> cacher2.save('data')
            >>> assert not exists(cacher2.get_fpath()), 'should be disabled'
        """
        from six.moves import cPickle as pickle
        from ubelt import util_path
        from ubelt import util_time
        if not self.enabled:
            return
        if self.verbose > 0:
            self.log('[cacher] ... {} cache save'.format(self.fname))

        cfgstr = self._rectify_cfgstr(cfgstr)
        condensed = self._condense_cfgstr(cfgstr)

        # Make sure the cache directory exists
        util_path.ensuredir(self.dpath)

        data_fpath = self.get_fpath(cfgstr=cfgstr)
        meta_fpath = data_fpath + '.meta'

        # Also save metadata file to reconstruct hashing
        with open(meta_fpath, 'a') as file_:
            # TODO: maybe append this in json or YML format?
            file_.write('\n\nsaving {}\n'.format(util_time.timestamp()))
            file_.write(self.fname + '\n')
            file_.write(condensed + '\n')
            file_.write(cfgstr + '\n')
            file_.write(str(self.meta) + '\n')

        with open(data_fpath, 'wb') as file_:
            # Use protocol 2 to support python2 and 3
            pickle.dump(data, file_, protocol=self.protocol)

Example:
        >>> # xdoc: +REQUIRES(WIN32)
        >>> import ubelt as ub
        >>> _win32_can_symlink(verbose=1, force=1, testing=1)
    """
    global __win32_can_symlink__
    if verbose:
        print('__win32_can_symlink__ = {!r}'.format(__win32_can_symlink__))
    if __win32_can_symlink__ is not None and not force:
        return __win32_can_symlink__

    from ubelt import util_platform
    tempdir = util_platform.ensure_app_cache_dir('ubelt', '_win32_can_symlink')

    util_io.delete(tempdir)
    util_path.ensuredir(tempdir)

    dpath = join(tempdir, 'dpath')
    fpath = join(tempdir, 'fpath.txt')

    dlink = join(tempdir, 'dlink')
    flink = join(tempdir, 'flink.txt')

    util_path.ensuredir(dpath)
    util_io.touch(fpath)

    # Add broken variants of the links for testing purposes
    # Its ugly, but so is all this windows code.
    if testing:
        broken_dpath = join(tempdir, 'broken_dpath')
        broken_fpath = join(tempdir, 'broken_fpath.txt')
        # Create files that we will delete after we link to them

Args:
        appname (str): the name of the application
        *args: any other subdirectories may be specified

    SeeAlso:
        get_app_config_dir

    Example:
        >>> import ubelt as ub
        >>> dpath = ub.ensure_app_config_dir('ubelt')
        >>> assert exists(dpath)
    """
    from ubelt import util_path
    dpath = get_app_config_dir(appname, *args)
    util_path.ensuredir(dpath)
    return dpath

dpath = join(tempdir, 'dpath')
    fpath = join(tempdir, 'fpath.txt')

    dlink = join(tempdir, 'dlink')
    flink = join(tempdir, 'flink.txt')

    util_path.ensuredir(dpath)
    util_io.touch(fpath)

    # Add broken variants of the links for testing purposes
    # Its ugly, but so is all this windows code.
    if testing:
        broken_dpath = join(tempdir, 'broken_dpath')
        broken_fpath = join(tempdir, 'broken_fpath.txt')
        # Create files that we will delete after we link to them
        util_path.ensuredir(broken_dpath)
        util_io.touch(broken_fpath)

    try:
        _win32_symlink(dpath, dlink)
        if testing:
            _win32_symlink(broken_dpath, join(tempdir, 'broken_dlink'))
        can_symlink_directories = os.path.islink(dlink)
    except OSError:
        can_symlink_directories = False
    if verbose:
        print('can_symlink_directories = {!r}'.format(can_symlink_directories))

    try:
        _win32_symlink(fpath, flink)
        if testing:
            _win32_symlink(broken_fpath, join(tempdir, 'broken_flink'))