def default_cache_path
      @cache_path ||= begin
        path = Tml.config.cache[:path]
        path ||= 'config/tml'
        FileUtils.mkdir_p(path)
        FileUtils.chmod(0777, path)
        path
      end
    end
def default_cache_path
      @cache_path ||= begin
        path = Tml.config.cache[:path]
        path ||= 'config/tml'
        FileUtils.mkdir_p(path)
        FileUtils.chmod(0777, path)
        path
      end
    end
default cache path