how much is "lots" ? if it was a memory problem, the traceback would
probably return something else... also... what's the line that raises the
error ?
On Tuesday, February 16, 2016 at 8:00:14 PM UTC+1, Yebach wrote:
>
> Hello
>
> I have a following problem
>
> When I try to serve a zip file to user i get the following error
>
> Uncompressed size\nTypeError: object of type \'NoneType\' has no len()
>
> There is data to be compressed, but there is lots of it so this I believe
> is causing the problem
>
> my code is the following:
>
> def exportLssOut():
> scriptId = request.args[0]
> userId = auth.user_id
> ExportConditionsCheck(userId)
> query = db(db.scripts.id == scriptId).select(db.scripts.sc_engine_output,
> db.scripts.sc_lls,
>
> db.scripts.sc_menu_data, db.scripts.sc_errors).first()
>
> engineOutData = query['sc_engine_output']
> llsData = query['sc_lls']
> jsonDb = query['sc_menu_data']
> jsonErrors = query['sc_errors']
> #
> import zipfile, cStringIO
> exported_chunks_zip = cStringIO.StringIO()
> zipf = zipfile.ZipFile(exported_chunks_zip, "w",
> compression=zipfile.ZIP_STORED )
>
> zipf.writestr('%s_lls.txt' % str(scriptId), llsData)
> zipf.writestr('%s_out.txt' % str(scriptId), engineOutData)
> zipf.writestr('%s_json.txt' % str(scriptId), jsonDb)
> zipf.writestr('%s_json_err.txt' % str(scriptId), jsonErrors)
>
> zipf.close()
>
> moment = datetime.datetime.now().strftime('%Y%m%dT%H%M%S')
> response.headers['Content-Type']='multipart/x-zip'
> response.headers['Content-Disposition']='attachment;
> filename=ExportLLSOUT_%s.zip'% (moment)
> #formatedDateTime = '%s%s%sT%s%s%s' % (dateTimeNow.year,
> dateTimeNow.month, dateTimeNow.day
> ,dateTimeNow.hour,dateTimeNow.minute,dateTimeNow.second )
> return exported_chunks_zip.getvalue()
>
>
>
> any suggestions?
>
> thank you
>
>
>
>
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