python操作xml檔案樣本_python

來源:互聯網
上載者:User

複製代碼 代碼如下:

def get_seed_data(filename):
dom = minidom.parse(filename)
root = dom.documentElement
system_nodes = root.getElementsByTagName("system")
k = 0
seed_list = []
for system_node in system_nodes:
    #print system_node.nodeName+' id='+system_node.getAttribute('id')
    system_id = system_node.getAttribute("id")
    system_name = system_node.getAttribute("name")
    #print 'system_name:%s'%system_name
    section_nodes = system_node.getElementsByTagName("section")
    for section_node in section_nodes:
            section_id = section_node.getAttribute('id')
            section_name = section_node.getAttribute('name')
            #print ' '+section_node.nodeName+' id='+section_id+' name='+section_name
            crawl_cycle_node = section_node.getElementsByTagName("crawl_cycle")
            crawl_cycle = crawl_cycle_node[0].childNodes[0].nodeValue
            #print '  '+crawl_cycle_node[0].nodeName+'='+crawl_cycle
            seed_nodes = section_node.getElementsByTagName('seed')
            for seed_node in seed_nodes:
                seed = {}
                seed['crawl_cycle'] = crawl_cycle
                seed['system_id'] = int(system_id)
                seed['system_name'] = system_name
                seed['section_id'] = int(section_id)
                seed['section_name'] = section_name
                seed_id = seed_node.getAttribute('id')
                seed['seed_id'] = int(seed_id)
                #print '  '+seed_node.nodeName+' '+'id='+seed_id
                userblog_url_node = seed_node.getElementsByTagName('userblog_url')
                userblog_url = userblog_url_node[0].childNodes[0].nodeValue
                seed['userblog_url'] = userblog_url
                #print '   '+'userblog_url'+' '+userblog_url
                print '-------------------------------------------'
                print 'system_id:%d' % seed['system_id']
                print 'system_name:%s'%seed['system_name']
                print ' section_id:%d' % seed['section_id']
                print ' section_name:%s' % seed['section_name']
                print '  seed_id:%d' %seed['seed_id']
                print '  userblog_url:%s' %seed['userblog_url']
                print '========================='
                seed_list.append(seed)
                print seed_list[k]
                k += 1
                os.system('pause')
return seed_list

複製代碼 代碼如下:

<?xml version="1.0" encoding="utf-8" ?>
<seeds>
 <system id="1" name="新浪">
  <section id="1" name="娛樂">
   <crawl_cycle> </crawl_cycle>
   <seed id="1">
    <userblog_url>http://aaa.com.cn/loveissuuny</userblog_url>
   </seed>
   <seed id="2">
    <userblog_url>http://aaa.com.cn/loveissuuny</userblog_url>
   </seed>
   <seed id="3">
    <userblog_url>http://aaa.com.cn/sanxiazaixian</userblog_url>
   </seed>
  </section>
  <section id="2" name="讀書">
   <crawl_cycle> </crawl_cycle>
   <seed id="11">
    <userblog_url>http://aaa.com.cn/twocold</userblog_url>
   </seed>
   <seed id="12">
    <userblog_url>http://aaa.com.cn/u/1233526741</userblog_url>
   </seed>
  </section>
 </system>
</seeds>

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