/Demo/xml/rss2html.py
Python | 91 lines | 86 code | 3 blank | 2 comment | 0 complexity | 96f910edd622e18a228ef9f18be052cc MD5 | raw file
1import sys 2 3from xml.sax import make_parser, handler 4 5# --- Templates 6 7top = \ 8""" 9<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 10<HTML> 11<HEAD> 12 <TITLE>%s</TITLE> 13</HEAD> 14 15<BODY> 16<H1>%s</H1> 17""" 18 19bottom = \ 20""" 21</ul> 22 23<HR> 24<ADDRESS> 25Converted to HTML by sax_rss2html.py. 26</ADDRESS> 27 28</BODY> 29</HTML> 30""" 31 32# --- The ContentHandler 33 34class RSSHandler(handler.ContentHandler): 35 36 def __init__(self, out = sys.stdout): 37 handler.ContentHandler.__init__(self) 38 self._out = out 39 40 self._text = "" 41 self._parent = None 42 self._list_started = 0 43 self._title = None 44 self._link = None 45 self._descr = "" 46 47 # ContentHandler methods 48 49 def startElement(self, name, attrs): 50 if name == "channel" or name == "image" or name == "item": 51 self._parent = name 52 53 self._text = "" 54 55 def endElement(self, name): 56 if self._parent == "channel": 57 if name == "title": 58 self._out.write(top % (self._text, self._text)) 59 elif name == "description": 60 self._out.write("<p>%s</p>\n" % self._text) 61 62 elif self._parent == "item": 63 if name == "title": 64 self._title = self._text 65 elif name == "link": 66 self._link = self._text 67 elif name == "description": 68 self._descr = self._text 69 elif name == "item": 70 if not self._list_started: 71 self._out.write("<ul>\n") 72 self._list_started = 1 73 74 self._out.write(' <li><a href="%s">%s</a> %s\n' % 75 (self._link, self._title, self._descr)) 76 77 self._title = None 78 self._link = None 79 self._descr = "" 80 81 if name == "rss": 82 self._out.write(bottom) 83 84 def characters(self, content): 85 self._text = self._text + content 86 87# --- Main program 88 89parser = make_parser() 90parser.setContentHandler(RSSHandler()) 91parser.parse(sys.argv[1])