1class Renderer(object):
2    def __init__(self, **kwargs):
3        super(Renderer, self).__init__()
4
5    def render(self, loader, template, **kwargs):
6        t = loader.get_template(template)
7        post = kwargs.pop("post", lambda result: result)
8        r = t.render(loader=loader, **kwargs)
9        return post(r)
10