def render(self):
        md = cache.get(self.markdown_key)
        if not md:
            md = cmarkdown(self.body)
            cache.set(self.markdown_key, md)
        return md
Handles a "Close" request.
dataset/ETHPy150Open 2buntu/2buntu-blog/twobuntu/articles/models.py/Article.render--crossover with--dataset/ETHPy150Open enthought/traitsui/traitsui/handler.py/Handler._on_close