def server_static(filepath):
        """Serve static files.

        Parameters
        ----------
        filepath : str
            Path to the served static file.

        Returns
        -------
        object
            An instance of bottle.HTTPResponse.
        """
        return bottle.static_file(filepath, root=www_root)
    def server_static_node_files_bootswatch(filename):
        """Serve Bootswatch's static files.

        Parameters
        ----------
        filename : str
            The file to serve.

        Returns
        -------
        object
            An instance of `bottle.HTTPResponse`.
        """
        return bottle.static_file(filename, root=_bootswatch_folder)
    def server_static(filepath):
        """Serve static files.

        Parameters
        ----------
        filepath : str
            Path to the served static file.

        Returns
        -------
        object
            An instance of `bottle.HTTPResponse`.
        """
        return bottle.static_file(filepath,
                                  root=os.path.join(www_root, "_assets"))