Professional IronPython

LISTINg 13-1: 
 Reading and writing an XML document
# Import clr to add references.
import clr
# Add the required reference.
clr.AddReference(‘System.Xml’)
continues
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CHAPTER 13
Working With XML Data
# Import the System.Xml classes.
from System.Xml import *
# This function creates the document and writes it to disk.
def CreateDocument():
# Create a document.
Doc = XmlDocument()
# Add the XML Declaration.
Declaration = Doc.CreateXmlDeclaration(‘1.0’, ‘utf-8’, ‘yes’)
Doc.AppendChild(Declaration)
# Create the root node.
Root = Doc.CreateNode(XmlNodeType.Element, ‘root’, None)
# Add child elements to the root.
MsgNode = Doc.CreateNode(XmlNodeType.Element, ‘Message’, None)
MsgNode.InnerXml = ‘Hello’
Root.AppendChild(MsgNode)
MsgNode = Doc.CreateNode(XmlNodeType.Element, ‘Message’, None)
MsgNode.InnerXml = ‘Goodbye’
Root.AppendChild(MsgNode)
# Add the root node to the document.
Doc.AppendChild(Root)
# Save the document to disk.
Doc.Save(‘Test.XML’)
def DisplayDocument():
# Create a document.
XMLDoc = XmlDocument()
# Load the XML data.
XMLDoc.Load(‘Test.XML’)
# Process the document.
for Nodes in XMLDoc:
if type(Nodes) == XmlElement:
for MsgNodes in Nodes:
print ‘Message:’, MsgNodes.InnerXml
# Interact with an XML document.
CreateDocument()
DisplayDocument()
# Pause after the debug session.
raw_input(‘\nPress any key to continue...’)
LISTINg 13-1 
(continued)
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