How to use the sigal.utils.check_or_create_dir function in sigal

def test_check_or_create_dir(tmpdir):
    path = str(tmpdir.join('new_directory'))
    utils.check_or_create_dir(path)
    assert os.path.isdir(path)

def create_output_directories(self):
        """Create output directories for thumbnails and original images."""
        check_or_create_dir(self.dst_path)

        if self.medias:
            check_or_create_dir(join(self.dst_path,
                                     self.settings['thumb_dir']))

        if self.medias and self.settings['keep_orig']:
            self.orig_path = join(self.dst_path, self.settings['orig_dir'])
            check_or_create_dir(self.orig_path)

def big(self):
        """Path to the original image, if ``keep_orig`` is set (relative to the
        album directory). Copy the file if needed.
        """
        if self.settings['keep_orig']:
            s = self.settings
            if s['use_orig']:
                # The image *is* the original, just use it
                return self.filename
            orig_path = join(s['destination'], self.path, s['orig_dir'])
            check_or_create_dir(orig_path)
            big_path = join(orig_path, self.src_filename)
            if not isfile(big_path):
                copy(self.src_path, big_path, symlink=s['orig_link'],
                     rellink=self.settings['rel_link'])
            return join(s['orig_dir'], self.src_filename)

def create_output_directories(self):
        """Create output directories for thumbnails and original images."""
        check_or_create_dir(self.dst_path)

        if self.medias:
            check_or_create_dir(join(self.dst_path,
                                     self.settings['thumb_dir']))

        if self.medias and self.settings['keep_orig']:
            self.orig_path = join(self.dst_path, self.settings['orig_dir'])
            check_or_create_dir(self.orig_path)

def create_output_directories(self):
        """Create output directories for thumbnails and original images."""
        check_or_create_dir(self.dst_path)

        if self.medias:
            check_or_create_dir(join(self.dst_path,
                                     self.settings['thumb_dir']))

        if self.medias and self.settings['keep_orig']:
            self.orig_path = join(self.dst_path, self.settings['orig_dir'])
            check_or_create_dir(self.orig_path)

def __init__(self, settings, ncpu=None, quiet=False):
        self.settings = settings
        self.logger = logging.getLogger(__name__)
        self.stats = defaultdict(int)
        self.init_pool(ncpu)
        check_or_create_dir(settings['destination'])

        # Build the list of directories with images
        albums = self.albums = {}
        src_path = self.settings['source']

        ignore_dirs = settings['ignore_directories']
        ignore_files = settings['ignore_files']

        progressChars = cycle(["/", "-", "\\", "|"])
        show_progress = (not quiet and
                         self.logger.getEffectiveLevel() >= logging.WARNING and
                         os.isatty(sys.stdout.fileno()))
        self.progressbar_target = None if show_progress else Devnull()

        for path, dirs, files in os.walk(src_path, followlinks=True,
                                         topdown=False):