def preview(request, conn=None, **kwargs):
anns,names = get_user_annotations(conn)
form_names = [(" "," ")]
for name in names:
form_names.append((name,name))
if request.POST:
form = PreviewForm(options=form_names,data=request.POST)
if form.is_valid():
selected = form.cleaned_data['preview_annotation']
sheet = 0
if form.cleaned_data['preview_sheet'] is not None:
sheet = form.cleaned_data['preview_sheet']
annId = selected.partition(' ')[0][3:]
annotation = conn.getObject("Annotation",annId)
fpath = download_annotation(annotation)
fname, fextension = os.path.splitext(fpath)
pdata = preview_data(fpath,fextension,sheet)
print len(pdata)
if pdata is not None:
rv = {'preview_data': pdata}
data = json.dumps(rv)
return HttpResponse(data, mimetype='application/json')
else:
rv = {'message':"Could not read file"}
error = json.dumps(rv)
return HttpResponseBadRequest(error, mimetype='application/json')
