usually I do
def download_that():
.......
tempfile = StringIO()
temparchive = zipfile.ZipFile(tempfile, 'w', zipfile.ZIP_DEFLATED)
....blablabla
temparchive.writestr(filename, filecontent)
temparchive.close() #writes
response.headers['Content-Disposition'] =
'attachment;filename=blablabla.zip'
response.headers['Content-Type'] = 'application/zip'
rtn = tempfile.getvalue()
tempfile.close()
return rtn
On Friday, September 25, 2015 at 8:55:01 PM UTC+2, Phillip wrote:
>
> A zip file is written in 'download_data' and nothing happens upon
> returning.
>
>
> Please indicate what is missing in the following ajax call and / or
> controller function to spawn the zip file download.
>
>
> jQuery.ajax({method:'get',url:'{{=URL('download_data')}}',
>
> data:fileIDs,
>
> success: function(){}
>
>
> });
>
>
> __
>
>
> def download_data():
>
> vars = request.get_vars
>
> fileIDs = vars.values()
>
> import zipfile
>
> import cStringIO
>
> import contenttype as c
>
>
>
> zf = zipfile.ZipFile('data download.zip', mode='w')
>
> try:
>
> for file_id in fileIDs:
>
> file = db.files[file_id].file
>
> fileLoc = db.files.file.retrieve_file_properties(file)['path']
> + '/' + file
>
> displayName = db.files[file_id].file_name
>
> zf.write(fileLoc, displayName)
>
>
>
> finally:
>
> zf.close()
>
>
> s=cStringIO.StringIO()
>
>
>
> zipfile = open('data download.zip','r')
>
> s.write(zipfile.read())
>
> response.headers['Content-Type'] = c.contenttype(filename)
>
> response.headers['Content-Disposition'] = "attachment; filename=%s" %
> filename
>
> return s.getvalue()
>
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