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svn+ssh://pythondev@svn.python.org/python/trunk ........ r75358 | georg.brandl | 2009-10-11 17:06:44 +0200 (So, 11 Okt 2009) | 1 line Overhaul of Demo/xml. ........
97 lines
2.2 KiB
Python
97 lines
2.2 KiB
Python
"""
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A demo that reads in an RSS XML document and emits an HTML file containing
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a list of the individual items in the feed.
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"""
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import sys
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import codecs
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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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<!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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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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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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</ul>
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<hr>
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<address>
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Converted to HTML by 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 = False
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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 = True
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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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if __name__ == '__main__':
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parser = make_parser()
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parser.setContentHandler(RSSHandler())
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parser.parse(sys.argv[1])
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