python xml mod(1)

# -*- coding: utf-8 -*-

from xml.dom.minidom import parse


def writexml():
    dom = parse("server.xml")
    root = dom.documentElement
    systemlist = root.getElementsByTagName("system")
    system_node = systemlist[0]

    bindIp_node = dom.createElement("property")
    bindIp_node.setAttribute("name","bindIp")
    bindIp_node.setAttribute("name2", "mytest")
    bindIp_text_value = dom.createTextNode("192.168.1.134")
    bindIp_node.appendChild(bindIp_text_value)

    system_node.appendChild(bindIp_node)

    with open("server.xml","w") as f:
        dom.writexml(f, addindent='  ', encoding='utf-8')

def updateXML():
    domTree = parse("server.xml")
    rootNode = domTree.documentElement
    names = rootNode.getElementsByTagName("property")
    for name in names:
        if name.childNodes[0].data == "192.168.1.139":
            name.childNodes[0].data = "1234"

    with open('server.xml', 'w') as f:
            domTree.writexml(f, addindent='  ', encoding='utf-8')


def cheknode():
    domTree = parse("server.xml")
    rootNode = domTree.documentElement
    system_list = rootNode.getElementsByTagName("property")

    for prs  in system_list:
        #print(prs.hasAttribute('name'))
        #print(prs.getAttribute('name'))
        if prs.getAttribute('name') == "managerIp":
            print("managerIP:%s" %prs.childNodes[0].data)



if __name__ == '__main__':
    #writexml()
    #updateXML
    cheknode()