I managed to solve the issue with the following code
def csvExport():
scriptId = request.args[0]
#rows = db(query,ignore_common_filters=True).select()
rows = db(db.result.r_id_script == scriptId).select(db.result.r_item1_name,
db.result.r_date, db.result.r_time_start,db.result.r_time_end)
from gluon.contenttype import contenttype
response.headers['Content-Type'] = contenttype('.csv')
response.headers['Content-disposition'] = 'attachment;
filename=export_%s.csv' % (scriptId)
import csv, cStringIO
s = cStringIO.StringIO()
rows.export_to_csv_file(s, delimiter=',', quotechar='"',
quoting=csv.QUOTE_NONNUMERIC)
return s.getvalue()
andbutton in my view.html
{{=A(T('CSV export'), _class='btn btn-primary',
_href=URL('script','csvExport', args = request.args[0]))}}
instead of callback i used _href
it works :)
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