import xml.dom.minidom as DOM
...
def enableFeatureAccess(sddraft, service, outdir):
	doc = DOM.parse(sddraft)

	# Find all elements named TypeName. This is where the server object extension
	# (SOE) names are defined.
	typeNames = doc.getElementsByTagName('TypeName')
	for typeName in typeNames:
		# Get the TypeName we want to enable.
		if typeName.firstChild.data == "FeatureServer":
			extension = typeName.parentNode
			for extElement in extension.childNodes:
				# Enable Feature Access.
				if extElement.tagName == 'Enabled':
					extElement.firstChild.data = 'true'
					
	# Output to a new sddraft.  
	sddraft_mod_xml = service + '_mod_xml' + '.sddraft'
	sddraft_mod_xml_file = os.path.join(outdir, sddraft_mod_xml)
	f = open(sddraft_mod_xml_file, 'w')     
	doc.writexml(f)     
	f.close()
	return sddraft_mod_xml_file