'To get the date and print the report
@return : return report'

@api.multi
def print_report(self):

    datas = {'ids': self.env.context.get('active_ids', [])}
    res = self.read(['price_list', 'qty1', 'qty2', 'qty3', 'qty4', 'qty5'])
    res = ((res and res[0]) or {})
    res['price_list'] = res['price_list'][0]
    datas['form'] = res
    return self.env['report'].get_action([], 'product.report_pricelist', data=datas)
