generating a CSV file online on Google App Engine

Question

I am using Google App Engine (python), I want my users to be able to download a CSV file generated using some data from the datastore (but I don\'t want them to download the who

Answer 1

import StringIO

tmp = StringIO.StringIO()
writer = csv.writer(tmp)

writer.writerow(["foo", "foo,bar", "bar"])
contents = tmp.getvalue()

tmp.close()
print contents