from __future__ import print_function import pyxb import po4 import address import pyxb.binding.datatypes as xs import datetime po = po4.purchaseOrder(orderDate=xs.date(1999, 10, 20)) po.shipTo = address.USAddress('Alice Smith', '123 Maple Street', 'Anytown', 'AK', 12341) po.billTo = address.USAddress('Robert Smith', '8 Oak Avenue', 'Anytown', 'AK', 12341) po.items = pyxb.BIND(pyxb.BIND('Lapis necklace', 1, 99.95, partNum='833-AA'), pyxb.BIND('Plastic necklace', 4, 3.95, partNum='833-AB')) po.shipTo.country = po.billTo.country = po.shipTo.country lapis = po.items.item[0] lapis.shipDate = po.orderDate + datetime.timedelta(days=46) lapis.comment = 'Want this for the holidays!' po.items.item[1].shipDate = po.items.item[0].shipDate + datetime.timedelta(days=19) print(po.toxml("utf-8").decode('utf-8'))