ref: 414d29e98f8d5242cc68161e61b66b7171e96634
dir: /sys/src/cmd/python/Demo/xml/rss2html.py/
import sys from xml.sax import make_parser, handler # --- Templates top = \ """ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE>%s</TITLE> </HEAD> <BODY> <H1>%s</H1> """ bottom = \ """ </ul> <HR> <ADDRESS> Converted to HTML by sax_rss2html.py. </ADDRESS> </BODY> </HTML> """ # --- The ContentHandler class RSSHandler(handler.ContentHandler): def __init__(self, out = sys.stdout): handler.ContentHandler.__init__(self) self._out = out self._text = "" self._parent = None self._list_started = 0 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 = 1 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 parser = make_parser() parser.setContentHandler(RSSHandler()) parser.parse(sys.argv[1])