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我StreamingHttpResponse在django框架中使用。响应完成并关闭连接后，我想在数据库中保存一些记录。我应该怎么办？

class foo(View):
    def get(self, request):
        response = StreamingHttpResponse(self._load_stream(request))
        return response

    def _load_stream(self, request):
        yield('<html><body></body></html>')
        time.sleep(5000)
        # close the connection and then save something to database
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