django streaming file

gistfile1.py

    def get(self, request, *args, **kwargs):
        # def data():
        #     for i in xrange(10):
        #         csvwriter.writerow([i,"a","b","c"])
        #     data = read_and_flush()
        #     yield data
        def stream_response_generator():
            for x in range(1,11):
                yield "%s\n" % x  # Returns a chunk of the response to the browser
                time.sleep(1)
        def file_chunks_generator(file_object, chunk_size=1024):
            while True:
                data = file_object.read(chunk_size)
                if not data:
                    break
                yield data
                print 'sleep'
                time.sleep(1)

        print 'yea'
        with open('/home/t/Desktop/download.jpg') as f:
            resp = HttpResponse(file_chunks_generator(f, 1024), content_type = "image/jpeg")
            resp['Content-Disposition'] = 'filename=%s' % '123.pdf'

            return resp