Render tree using it's path.

def show_periodical_tree_by_path(path):
    """
    Render tree using it's path.
    """
    path = unquote_plus(path)
    trees = tree_handler().trees_by_path(path)

    if not trees:
        path = path.decode("utf-8")
        abort(404, "Dokument s názvem '%s' není dostupný." % path)

    return render_trees(
        trees,
        partial(web_tools.compose_tree_path, issn=False)
    )