from xml.dom import minidom

#doc = minidom.parse(file)
doc = minidom.parseString("<a>hello</a>")


print doc.toprettyxml(encoding="utf-8")

node=doc.createElement("b")
node.setAttribute("nom","val")
doc.documentElement.appendChild(node)

node2=doc.createTextNode("koko")
doc.documentElement.appendChild(node2)


print doc.toprettyxml(encoding="utf-8")

for i in doc.documentElement.childNodes:
    print i,i.nodeType #(i.ELEMENT_NODE,i.TEXT_NODE)

for i in doc.getElementsByTagName("a"):
    print "-<A>-",i
    
node.parentNode.removeChild(node)
node2.parentNode.removeChild(node2)

print doc.toprettyxml(encoding="utf-8")

minidom use cases

python, xml

Python