utility_tags.py 文件源码

def render(self, context):
        template_value = template.resolve_variable(self.template_value, context)
        t = template.Template(template_value)
        context_vars = {}
        for d in list(context):
            for var, val in d.items():
                context_vars[var] = val
        result = t.render(template.RequestContext(context["request"], context_vars))
        if self.var_name:
            context[self.var_name] = result
            return ""
        return result