Edit File: rss2html.py
""" A demo that reads in an RSS XML document and emits an HTML file containing a list of the individual items in the feed. """ import sys import codecs from xml.sax import make_parser, handler # --- Templates top = """\ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>%s</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <h1>%s</h1> """ bottom = """ </ul> <hr> <address> Converted to HTML by rss2html.py. </address> </body> </html> """ # --- The ContentHandler class RSSHandler(handler.ContentHandler): def __init__(self, out=sys.stdout): handler.ContentHandler.__init__(self) self._out = codecs.getwriter('utf-8')(out) self._text = "" self._parent = None self._list_started = False self._title = None self._link = None self._descr = "" # ContentHandler methods def startElement(self, name, attrs): if name == "channel" or name == "image" or name == "item": self._parent = name self._text = "" def endElement(self, name): if self._parent == "channel": if name == "title": self._out.write(top % (self._text, self._text)) elif name == "description": self._out.write("<p>%s</p>\n" % self._text) elif self._parent == "item": if name == "title": self._title = self._text elif name == "link": self._link = self._text elif name == "description": self._descr = self._text elif name == "item": if not self._list_started: self._out.write("<ul>\n") self._list_started = True self._out.write(' <li><a href="%s">%s</a> %s\n' % (self._link, self._title, self._descr)) self._title = None self._link = None self._descr = "" if name == "rss": self._out.write(bottom) def characters(self, content): self._text = self._text + content # --- Main program if __name__ == '__main__': parser = make_parser() parser.setContentHandler(RSSHandler()) parser.parse(sys.argv[1])
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