<?xml version="1.0"?> 
  <data> 
    <country name="Singapore"> 
      <rank>4</rank> 
      <year>2011</year> 
      <gdppc>59900</gdppc> 
      <neighbor name="Malaysia" direction="N"/> 
    </country> 
    <country name="Panama"> 
      <rank>68</rank> 
      <year>2011</year> 
      <gdppc>13600</gdppc> 
      <neighbor name="Costa Rica" direction="W"/> 
      <neighbor name="Colombia" direction="E"/> 
    </country> 
  </data> 

  try: 
    import xml.etree.cElementTree as ET 
  except ImportError: 
    import xml.etree.ElementTree as ET 

  #!/usr/bin/evn python 
  #coding:utf-8 
   
  try: 
    import xml.etree.cElementTree as ET 
  except ImportError: 
    import xml.etree.ElementTree as ET 
  import sys 
   
  try: 
    tree = ET.parse("country.xml")     #打開(kāi)xml文檔 
    #root = ET.fromstring(country_string) #從字符串傳遞xml 
    root = tree.getroot()         #獲得root節(jié)點(diǎn)  
  except Exception, e: 
    print "Error:cannot parse file:country.xml." 
    sys.exit(1) 
  print root.tag, "---", root.attrib  
  for child in root: 
    print child.tag, "---", child.attrib 
   
  print "*"*10 
  print root[0][1].text   #通過(guò)下標(biāo)訪問(wèn) 
  print root[0].tag, root[0].text 
  print "*"*10 
   
  for country in root.findall('country'): #找到root節(jié)點(diǎn)下的所有country節(jié)點(diǎn) 
    rank = country.find('rank').text   #子節(jié)點(diǎn)下節(jié)點(diǎn)rank的值 
    name = country.get('name')      #子節(jié)點(diǎn)下屬性name的值 
    print name, rank 
      
  #修改xml文件 
  for country in root.findall('country'): 
    rank = int(country.find('rank').text) 
    if rank > 50: 
      root.remove(country) 
   
  tree.write('output.xml') 

  #!/usr/bin/python 
  #coding=utf-8 
   
  from xml.dom.minidom import parse 
  import xml.dom.minidom 
   
  # 使用minidom解析器打開(kāi)XML文檔 
  DOMTree = xml.dom.minidom.parse("country.xml") 
  Data = DOMTree.documentElement 
  if Data.hasAttribute("name"): 
    print "name element : %s" % Data.getAttribute("name") 
   
  # 在集合中獲取所有國(guó)家 
  Countrys = Data.getElementsByTagName("country") 
   
  # 打印每個(gè)國(guó)家的詳細(xì)信息 
  for Country in Countrys: 
    print "*****Country*****" 
    if Country.hasAttribute("name"): 
     print "name: %s" % Country.getAttribute("name") 
   
    rank = Country.getElementsByTagName('rank')[0] 
    print "rank: %s" % rank.childNodes[0].data 
    year = Country.getElementsByTagName('year')[0] 
    print "year: %s" % year.childNodes[0].data 
    gdppc = Country.getElementsByTagName('gdppc')[0] 
    print "gdppc: %s" % gdppc.childNodes[0].data 
   
    for neighbor in Country.getElementsByTagName("neighbor"):  
      print neighbor.tagName, ":", neighbor.getAttribute("name"), neighbor.getAttribute("direction") 

  #coding=utf-8 
  #!/usr/bin/python 
   
  import xml.sax 
   
  class CountryHandler(xml.sax.ContentHandler): 
    def __init__(self): 
     self.CurrentData = "" 
     self.rank = "" 
     self.year = "" 
     self.gdppc = "" 
     self.neighborname = "" 
     self.neighbordirection = "" 
   
    # 元素開(kāi)始事件處理 
    def startElement(self, tag, attributes): 
     self.CurrentData = tag 
     if tag == "country": 
       print "*****Country*****" 
       name = attributes["name"] 
       print "name:", name 
     elif tag == "neighbor": 
       name = attributes["name"] 
       direction = attributes["direction"] 
       print name, "->", direction 
   
    # 元素結(jié)束事件處理 
    def endElement(self, tag): 
     if self.CurrentData == "rank": 
       print "rank:", self.rank 
     elif self.CurrentData == "year": 
       print "year:", self.year 
     elif self.CurrentData == "gdppc": 
       print "gdppc:", self.gdppc 
     self.CurrentData = "" 
   
    # 內(nèi)容事件處理 
    def characters(self, content): 
     if self.CurrentData == "rank": 
       self.rank = content 
     elif self.CurrentData == "year": 
       self.year = content 
     elif self.CurrentData == "gdppc": 
       self.gdppc = content 
    
  if __name__ == "__main__": 
     # 創(chuàng)建一個(gè) XMLReader 
    parser = xml.sax.make_parser() 
    # turn off namepsaces 
    parser.setFeature(xml.sax.handler.feature_namespaces, 0) 
   
     # 重寫(xiě) ContextHandler 
    Handler = CountryHandler() 
    parser.setContentHandler(Handler) 
     
    parser.parse("country.xml") 

  #!/usr/bin/python 
  #coding=utf-8 
   
  import libxml2 
   
  doc = libxml2.parseFile("country.xml") 
  for book in doc.xpathEval('//country'): 
    if book.content != "": 
      print "----------------------" 
      print book.content 
  for node in doc.xpathEval("http://country/neighbor[@name = 'Colombia']"): 
    print node.name, (node.properties.name, node.properties.content) 
  doc.freeDoc() 

  #!/usr/bin/python 
  #coding=utf-8 
   
  import lxml.etree  
   
  doc = lxml.etree.parse("country.xml")  
  for node in doc.xpath("http://country/neighbor[@name = $name]", name = "Colombia"):  
    print node.tag, node.items() 
  for node in doc.xpath("http://country[@name = $name]", name = "Singapore"):  
    print node.tag, node.items()