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Viewing changes to Demo/xml/rss2html.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-03-23 00:01:27 UTC
  • Revision ID: james.westby@ubuntu.com-20090323000127-5fstfxju4ufrhthq
Tags: upstream-3.1~a1+20090322
Import upstream version 3.1~a1+20090322

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Demo/xml/rss2html.py
 
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import sys
 
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from xml.sax import make_parser, handler
 
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# --- Templates
 
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top = \
 
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"""
 
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
 
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<HTML>
 
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<HEAD>
 
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  <TITLE>%s</TITLE>
 
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</HEAD>
 
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<BODY>
 
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<H1>%s</H1>
 
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"""
 
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bottom = \
 
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"""
 
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</ul>
 
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<HR>
 
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<ADDRESS>
 
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Converted to HTML by sax_rss2html.py.
 
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</ADDRESS>
 
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</BODY>
 
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</HTML>
 
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"""
 
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# --- The ContentHandler
 
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class RSSHandler(handler.ContentHandler):
 
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    def __init__(self, out = sys.stdout):
 
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        handler.ContentHandler.__init__(self)
 
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        self._out = out
 
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        self._text = ""
 
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        self._parent = None
 
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        self._list_started = 0
 
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        self._title = None
 
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        self._link = None
 
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        self._descr = ""
 
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    # ContentHandler methods
 
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    def startElement(self, name, attrs):
 
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        if name == "channel" or name == "image" or name == "item":
 
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            self._parent = name
 
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        self._text = ""
 
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    def endElement(self, name):
 
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        if self._parent == "channel":
 
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            if name == "title":
 
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                self._out.write(top % (self._text, self._text))
 
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            elif name == "description":
 
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                self._out.write("<p>%s</p>\n" % self._text)
 
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        elif self._parent == "item":
 
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            if name == "title":
 
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                self._title = self._text
 
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            elif name == "link":
 
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                self._link = self._text
 
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            elif name == "description":
 
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                self._descr = self._text
 
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            elif name == "item":
 
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                if not self._list_started:
 
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                    self._out.write("<ul>\n")
 
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                    self._list_started = 1
 
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                self._out.write('  <li><a href="%s">%s</a> %s\n' %
 
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                                (self._link, self._title, self._descr))
 
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                self._title = None
 
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                self._link = None
 
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                self._descr = ""
 
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        if name == "rss":
 
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            self._out.write(bottom)
 
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    def characters(self, content):
 
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        self._text = self._text + content
 
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# --- Main program
 
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parser = make_parser()
 
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parser.setContentHandler(RSSHandler())
 
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parser.parse(sys.argv[1])