<?xml version="1.0" encoding="UTF-8"?>

 <students>

     <student no="2009081097">

         <name>Hongten</name>

         <gender>M</gender>

         <age>20</age>

         <score subject="math">97</score>

         <score subject="chinese">90</score>

     </student>

     <student no="2009081098">

         <name>DuDu</name>

         <gender>W</gender>

         <age>21</age>

         <score subject="math">87</score>

         <score subject="chinese">96</score>

     </student>

     <student no="2009081099">

         <name>Sum</name>

         <gender>M</gender>

         <age>19</age>

         <score subject="math">64</score>

         <score subject="chinese">98</score>

     </student>

 </students>

 #python xml.dom

 #Author   :   Hongten

 #Mailto   :   hongtenzone@foxmail.com

 #Blog     :   http://www.cnblogs.com/hongten

 #QQ       :   648719819

 #Version  :   1.0

 #Create   :   2013-09-03

 import os

 from xml.dom import minidom

 #global var

 SHOW_LOG = True

 XML_PATH = None

 def get_dom_by_parse(path):

     '''根据XML文件地址解析XML文件，返回dom对象'''

     if os.path.exists(path):

         if SHOW_LOG:

             print('开始解析XML文件：[{}]'.format(path))

         return minidom.parse(path)

     else:

         print('the path [{}] dose not exist!'.format(path))

 def get_dom_by_file(path):

     '''解析作为文档打开的XML文件'''

     if os.path.exists(path):

         if SHOW_LOG:

             print('开始打开XML文件：[{}]'.format(path))

         with open(path) as pf:

             if SHOW_LOG:

                 print('开始解析XML文件：[{}]'.format(path))

             return minidom.parse(pf)

     else:

         print('the path [{}] dose not exist!'.format(path))

 def get_dom_by_string(s):

     '''解析以字符串形式的XML数据格式'''

     if s is not None and s != '':

         if SHOW_LOG:

             print('开始解析字符串形式的XML数据：[{}]'.format(s))

         return minidom.parseString(s)

     else:

         print('the input string is None or equals \'\'.')

 def get_root(dom):

     '''返回XML文件的根节点'''

     if dom is not None:

         return dom.documentElement

     else:

         print('the dom is None!')

 def get_element_children(fatherElement, subNodeName):

     '''根据父节点fatherElement获取子节点subNodeName'''

     if fatherElement is not None:

         if subNodeName is not None and subNodeName != '':

             return fatherElement.getElementsByTagName(subNodeName)

         else:

             print('the sub node name is None or equals \'\'.')

     else:

         print('the father node is None!')

 def get_element_value(element, index=0):

     '''获取节点的值'''

     if element is not None:

         return element.childNodes[index].nodeValue

     else:

         print('the element is None!')

 def get_element_attrib_value(element, name):

     '''根据节点element的属性名称name获取属性名称的值'''

     if element is not None:

         if name is not None and name != '':

             return element.getAttribute(name)

         else:

             print('the name is None or equals \'\'.')

     else:

         print('the element is None!')

 def get_info(root_children):

     '''解析XML内容'''

     info = []

     for item in root_children:

         subs = []

         score_value = []

         i_no = get_element_attrib_value(item, 'no')

         i_name = get_element_children(item, 'name')

         i_gender = get_element_children(item, 'gender')

         i_age = get_element_children(item, 'age')

         i_score = get_element_children(item, 'score')

         for sub in i_score:

             i_sub = get_element_attrib_value(sub, 'subject')

             subs.append(i_sub)

         v_name = get_element_value(i_name[0])

         v_gender = get_element_value(i_gender[0])

         v_age = get_element_value(i_age[0])

         for s in range(len(i_score)):

             score_value.append(s)

         v_score = dict(zip(subs, score_value))

         info.append(v_name)

         info.append(v_gender)

         info.append(v_age)

         info.append(v_score)

     return info

 def init():

     global SHOW_LOG

     SHOW_LOG = True

     global XML_PATH

     XML_PATH = 'C:\\test\\hongten.xml'

 def main():

     init()

     dom = get_dom_by_parse(XML_PATH)

     root = dom.documentElement

     print(root)

     root_children = get_element_children(root, 'student')

     print(root_children)

     info = get_info(root_children)

     print(info)

 if __name__ == '__main__':

     main()