sqlalchmey image upload method for django project

views.py

@permission_classes((IsAuthenticated,))
@authentication_classes([JSONWebTokenAuthentication, ])
class ImageUploadAPI(APIView):
    def post(self, request):
        serializer = ImageSerilaizer(data=request.data)
        if serializer.is_valid():
            try:
                company = UserCompany.objects.get(user=request.user).company
                db_name = company.db_name
            except UserCompany.DoesNotExist:
                return Response({"data": null, "message": "user company does not exist", "requestStatus": 0}, status=status.HTTP_400_BAD_REQUEST)
            # print(request.data)
            directory = '/tmp/%s/' % db_name
            up_file = request.data["user_image"]
            image_name = up_file.name

            # if open(directory + up_file.name, 'r'):
            #     image_name = up_file.name

            if not os.path.exists(directory):
                os.makedirs(directory)

            file_path = directory + image_name
            destination = open(file_path, 'wb+')
            for chunk in up_file.chunks():
                print
                destination.write(chunk)
            destination.close()

            # set path to one coloum of sqlalchmey table
              #img=file_path
   
            return Response({"data": null, "message": "List of debit notes  ", "requestStatus": 1}, status=status.HTTP_200_OK)
        return Response({"data": serializer.errors, "message": "no data  ", "requestStatus": 2}, status=status.HTTP_400_BAD_REQUEST)