@staticmethod
def _log_format_con(window):
    """
        Create an informatinal string for logging leaves.

        Returns:
            str: '<Con: class="{}" instance="{}" title="{}" id={}>'
        """
    return '<Con: class="{}" instance="{}" title="{}" id={}>'.format(window
        .window_class, window.window_instance, window.name, window.id)
