[web2py] zip xls file and return it in response

[Neveen Adel]

Hello,

Am generating xls file using the following code:
      response.headers['Content-Type'] =
gluon.contenttype.contenttype('.xls')
     response.headers['Content-disposition'] = 'attachment;
filename=file.xls'

     today = str(datetime.today())
     wbk.save("temp1"+today+".xls")
     f = open("temp1"+today+".xls", 'r')
     out= f.read()
     f.close()

     return out


How can zip file.xls and return it ??

could you please any Advices ??