[PYTHON] Create a temporary file with django as a zip file and return it

import tempfile

with tempfile.TemporaryFile() as tmp:
        with zipfile.ZipFile(tmp, 'w', zipfile.ZIP_DEFLATED) as archive:
                data = []
                count = 1
                for item in (self._iter_csv_rows(
                    queryset=self._get_changelist_instance(request).get_queryset(request),                       charset=charset)):
        data.append(item)
        if len(data) >= 10000:
                        tmp2 = tempfile.TemporaryFile()

#csv creation writer = csv.writer(tmp2) writer.writerows(data) tmp2.seek(0) archive.writestr('{}-{}.csv'.format(self.model._meta.model_name,count), tmp2.read()) count += 1 data = [] tmp2.close()

        tmp.seek(0)
        res = HttpResponse(tmp.read(), content_type='application/x-zip-compressed')
        res['Content-Disposition'] = 'attachment; filename={base}_{dt}.zip'.format(
                base=self.model._meta.model_name,
                dt=datetime.now().strftime('%Y%m%d-%H%M%S'))
        res['Pragma'] = 'public'
        res['Cache-Control'] = 'public'

        return res

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