Example on how to process XML using lxml

process_xml_eg.py

#!/usr/bin/env python

"""
Sample taken from http://www.w3schools.com/xml/simple.xml
"""

from StringIO import StringIO
from lxml import etree

# Open XML file
myxml = etree.parse('simple.xml')
xml_object = myxml.getroot()

# Add extra <food/> - Roti Canai
# Subelements for <foods/> are <name/>,<price/>,<description/> & <calories/>
roti_canai = etree.Element('food')
etree.SubElement(roti_canai, 'nama').text = 'Roti Canai'
etree.SubElement(roti_canai, 'price').text = '$1.99'
etree.SubElement(roti_canai, 'description').text = 'The cornerstone of Malaysian diet'
etree.SubElement(roti_canai, 'calories').text = '1500'
xml_object.append(roti_canai)

# Output to standard output
#print etree.tostring(xml_object, method='xml', encoding='UTF-8')

# Write to file
myxml.write('contoh.xml', encoding='UTF-8', xml_declaration=True)