base.py 文件源码

def render_string(self, filename, **kwargs):
        '''Override render_string to use mako template.
        Like tornado render_string method, this method
        also pass request handler environment to template engine.
        '''
        try:
            template = self._lookup.get_template(filename)
            env_kwargs = dict(
                handler=self,
                request=self.request,
                current_user=self.current_user,
                locale=self.locale,
                _=self.locale.translate,
                static_url=self.static_url,
                xsrf_form_html=self.xsrf_form_html,
                reverse_url=self.application.reverse_url,
            )
            env_kwargs.update(kwargs)
            return template.render(**env_kwargs)
        except Exception:
            traceback.print_exc()
            return exceptions.html_error_template().render()