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使用python解析xml成对应的html示例分享

Posted in Python onApril 02, 2014

SAX将dd.xml解析成html。当然啦，如果得到了xml对应的xsl文件可以直接用libxml2将其转换成html。

#!/usr/bin/env python 
# -*- coding: utf-8 -*-
#---------------------------------------
#   程序：XML解析器
#   版本：01.0
#   作者：mupeng
#   日期：2013-12-18
#   语言：Python 2.7
#   功能：将xml解析成对应的html
#   注解：该程序用xml.sax模块的parse函数解析XML，并生成事件
#   继承ContentHandler并重写其事件处理函数
#   Dispatcher主要用于相应标签的起始、结束事件的派发
#---------------------------------------
from xml.sax.handler import ContentHandler
from xml.sax import parse
class Dispatcher:
    def dispatch(self, prefix, name, attrs=None):
        mname = prefix + name.capitalize()
        dname = 'default' + prefix.capitalize()
        method = getattr(self, mname, None)
        if callable(method): args = ()
        else:
            method = getattr(self, dname, None)
            #args = name
        #if prefix == 'start': args += attrs
        if callable(method): method()
    def startElement(self, name, attrs):
        self.dispatch('start', name, attrs)
    def endElement(self, name):
        self.dispatch('end', name)
class Website(Dispatcher, ContentHandler):
    def __init__(self):
        self.fout = open('ddt_SAX.html', 'w')
        self.imagein = False
        self.desflag = False
        self.item = False
        self.title = ''
        self.link = ''
        self.guid = ''
        self.url = ''
        self.pubdate = ''
        self.description = ''
        self.temp = ''
        self.prx = ''
    def startChannel(self):
        self.fout.write('''<html>\n<head>\n<title> RSS-''')
    def endChannel(self):
       self.fout.write('''
                    <tr><td height="20"></td></tr>
                    </table>
                    </center>
                    <script>
    function  GetTimeDiff(str)
    {
     if(str == '')
     {
      return '';
     }
     var pubDate = new Date(str);
     var nowDate = new Date();
     var diffMilSeconds = nowDate.valueOf()-pubDate.valueOf();
     var days = diffMilSeconds/86400000;
     days = parseInt(days);
     diffMilSeconds = diffMilSeconds-(days*86400000);
     var hours = diffMilSeconds/3600000;
     hours = parseInt(hours);
     diffMilSeconds = diffMilSeconds-(hours*3600000);
     var minutes = diffMilSeconds/60000;
     minutes = parseInt(minutes);
     diffMilSeconds = diffMilSeconds-(minutes*60000);
     var seconds = diffMilSeconds/1000;
     seconds = parseInt(seconds);
     var returnStr = "±±¾©·¢²¼Ê±¼ä£º" + pubDate.toLocaleString();
     if(days > 0)
     {
      returnStr = returnStr + " £¨¾àÀëÏÖÔÚ" + days + "Ìì" + hours + "Сʱ" + minutes + "·ÖÖÓ£©";
     }
     else if (hours > 0)
     {
      returnStr = returnStr + " £¨¾àÀëÏÖÔÚ" + hours + "Сʱ" + minutes + "·ÖÖÓ£©";
     }
     else if (minutes > 0)
     {
      returnStr = returnStr + " £¨¾àÀëÏÖÔÚ" + minutes + "·ÖÖÓ£©";
     }
     return returnStr;
    }
    function GetSpanText()
    {
     var pubDate;
     var pubDateArray;
     var spanArray = document.getElementsByTagName("span");
     for(var i = 0; i < spanArray.length; i++)
     {
      pubDate = spanArray[i].innerHTML;
      document.getElementsByTagName("span")[i].innerHTML = GetTimeDiff(pubDate);   
     }
    }
    GetSpanText();
   </script>
                </body>
                </html>
                ''')
       self.fout.close()
    def characters(self, chars):
        if chars.strip():
            #chars = chars.strip()
            self.temp += chars
            #print self.temp
       
    def startTitle(self):
        if self.item:
            self.fout.write('''
                        <tr bgcolor="#eeeeee">\n<td style="padding-top:5px;padding-left:5px;" height="30">\n<B>
                    ''')
    def endTitle(self):
        if not self.imagein and not self.item:
            self.title = self.temp
            self.temp = ''
            self.fout.write(self.title.encode('gb2312'))
            #self.title = self.temp
            self.fout.write('''
                </title>\n</head>\n<body>\n<center>\n
                <script>\n
                        function copyLink()
                        {
                                clipboardData.setData("Text",window.location.href);
                                alert("RSSÁ´½ÓÒѾ­¸´ÖƵ½¼ôÌù°å");
                        }
                        function subscibeLink()
                        {
                                var str = window.location.pathname;
                                while(str.match(/^\//))
                                {
                                        str = str.replace(/^\//,"");
                                }
                                window.open("http://rss.sina.com.cn/my_sina_web_rss_news.html?url=" + str,"_self");
                        }
                        </script>\n
                <table width="750" cellpadding="0" cellspacing="0">\n
                <tr>\n
                <td align="right" style="padding-right:15px;" valign="bottom">\n
            ''')
        if self.item:
            self.title = self.temp
            self.temp = ''
            self.fout.write(self.title.encode('gb2312'))
            self.fout.write('''
                        </B>
                        </td>
                        </tr>
                        <tr bgcolor="#eeeeee">
                        <td style="padding-left:5px;">
                        ''')
    def startImage(self):
        self.imagein = True
    def endImage(self):
        self.imagein = False
    def startLink(self):
        if self.imagein:
            self.fout.write('''<A href=" ''')
            
    def endLink(self):
        self.link = self.temp
        self.temp = ''
        if self.imagein:
            self.fout.write(self.link.encode('gb2312'))
            self.fout.write('''" target="_blank">\n ''')
        elif self.item:
            #self.link = self.temp
            pass
        else:
            self.fout.write(self.link)
            self.fout.write(''' " target="
      _blank
     "> ''')
            self.fout.write(self.title.encode('gb2312'))
            self.fout.write(''' </A></B></td>
                            </tr>
                            <tr><td colspan="2" align="center">
                            ''')
            self.fout.write(self.description.encode('gb2312'))
            self.fout.write('''
                        </td></tr>
                        <tr style="font-size:12px;" bgcolor="#eeeeff"><td colspan="2" style="font-size:14px;padding-top:5px;padding-bottom:5px;"><b><a href="javascript:copyLink();">¸´ÖÆ´ËÒ³Á´½Ó</a>                <a href="javascript:subscibeLink();">ÎÒҪǶÈë¸ÃÐÂÎÅÁÐ±íµ½ÎÒµÄÒ³Ã棨¼òµ¥¡¢¿ìËÙ¡¢ÊµÊ±¡¢Ãâ·Ñ£©</a></b></td></tr>
                        </table>
                        <table width="750" cellpadding="0" cellspacing="0">
                            ''')
    def startUrl(self):
        if self.imagein:
            self.fout.write('''<IMG src=" ''')
    def endUrl(self):
        self.url = self.temp
        self.temp = ''
        if self.imagein:
            self.fout.write(self.url.encode('gb2312'))
            self.fout.write('''" border="0">\n
                            </A>
                            </td>
                            <td align="left" valign="bottom" style="padding-bottom:8px;"><B><A href="
                            ''')
        if self.item:
            #self.url = self.temp
            pass
    def defaultStart(self):
        pass
    def defaultEnd(self):
        self.temp = ''
    def startDescription(self):
        pass
    def endDescription(self):
        self.description = self.temp
        self.temp = ''
        if self.item:
            #self.fout.write('¡¡¡¡')
            self.fout.write(self.description.encode('gb2312'))
    def endGuid(self):
        self.guid = self.temp
    def endPubdate(self):
        if not self.temp.startswith('http'):
         self.pubdate = self.temp
         self.temp = ''
        else:
            self.pubdate = ''
    def startItem(self):
        self.item = True
    def endItem(self):
        self.item = False
        self.fout.write('''
                            </td>
                            </tr>
                            <tr bgcolor="#eeeeee">
                            <td style="padding-top:5px;padding-left:5px;">
                            <A href="''')
        self.fout.write(self.link)
        self.fout.write(''' " target="_blank"> ''')
        self.fout.write(self.guid)
        self.fout.write('''
                        </A>
                        </td>
                        </tr>
                        <tr bgcolor="#eeeeee">
                        <td style="padding-top:5px;padding-left:5px;padding-bottom:5px;"><span>''')
        self.fout.write(self.pubdate)
        self.fout.write('''</span></td>
                        </tr>
                        <tr height="10"><td></td></tr>''')
#程序入口
if __name__ == '__main__':
    parse('ddt.xml', Website())

使用python解析xml成对应的html示例分享

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