from io import BytesIO

from django.http import FileResponse

FILE_RESPONSE_HOLDER = {}

def file_response(request):

    f1 = BytesIO(b"test1")

    f2 = BytesIO(b"test2")

    response = FileResponse(f1)

    response._resource_closers.append(f2.close)

    FILE_RESPONSE_HOLDER["response"] = response

    FILE_RESPONSE_HOLDER["buffers"] = (f1, f2)

    return response