render.py 文件源码

def render_template (tmpl_str, render_vals={}):
    # XXX" ih, why is there a try / except here?
    env = Environment (undefined=AlertUndefined)
    env.filters.update (jext.FILTER_DICT)
    template = env.from_string (tmpl_str)
    render_vals.update (jext.EXT_DICT)

    try:
        rendered_tmpl = template.render (**render_vals)
        return rendered_tmpl
    except jexcept.UndefinedError as err:
        print ('variable used in schema is undefined')
        raise




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