| 1 | """
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| 2 | A demo that reads in an RSS XML document and emits an HTML file containing
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| 3 | a list of the individual items in the feed.
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| 4 | """
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| 5 |
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| 6 | import sys
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| 7 | import codecs
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| 8 |
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| 9 | from xml.sax import make_parser, handler
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| 10 |
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| 11 | # --- Templates
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| 12 |
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| 13 | top = """\
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| 14 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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| 15 | <html>
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| 16 | <head>
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| 17 | <title>%s</title>
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| 18 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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| 19 | </head>
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| 20 |
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| 21 | <body>
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| 22 | <h1>%s</h1>
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| 23 | """
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| 24 |
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| 25 | bottom = """
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| 26 | </ul>
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| 27 |
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| 28 | <hr>
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| 29 | <address>
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| 30 | Converted to HTML by rss2html.py.
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| 31 | </address>
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| 32 |
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| 33 | </body>
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| 34 | </html>
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| 35 | """
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| 36 |
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| 37 | # --- The ContentHandler
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| 38 |
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| 39 | class RSSHandler(handler.ContentHandler):
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| 40 |
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| 41 | def __init__(self, out=sys.stdout):
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| 42 | handler.ContentHandler.__init__(self)
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| 43 | self._out = codecs.getwriter('utf-8')(out)
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| 44 |
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| 45 | self._text = ""
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| 46 | self._parent = None
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| 47 | self._list_started = False
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| 48 | self._title = None
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| 49 | self._link = None
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| 50 | self._descr = ""
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| 51 |
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| 52 | # ContentHandler methods
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| 53 |
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| 54 | def startElement(self, name, attrs):
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| 55 | if name == "channel" or name == "image" or name == "item":
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| 56 | self._parent = name
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| 57 |
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| 58 | self._text = ""
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| 59 |
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| 60 | def endElement(self, name):
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| 61 | if self._parent == "channel":
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| 62 | if name == "title":
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| 63 | self._out.write(top % (self._text, self._text))
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| 64 | elif name == "description":
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| 65 | self._out.write("<p>%s</p>\n" % self._text)
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| 66 |
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| 67 | elif self._parent == "item":
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| 68 | if name == "title":
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| 69 | self._title = self._text
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| 70 | elif name == "link":
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| 71 | self._link = self._text
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| 72 | elif name == "description":
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| 73 | self._descr = self._text
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| 74 | elif name == "item":
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| 75 | if not self._list_started:
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| 76 | self._out.write("<ul>\n")
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| 77 | self._list_started = True
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| 78 |
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| 79 | self._out.write(' <li><a href="%s">%s</a> %s\n' %
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| 80 | (self._link, self._title, self._descr))
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| 81 |
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| 82 | self._title = None
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| 83 | self._link = None
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| 84 | self._descr = ""
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| 85 |
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| 86 | if name == "rss":
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| 87 | self._out.write(bottom)
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| 88 |
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| 89 | def characters(self, content):
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| 90 | self._text = self._text + content
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| 91 |
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| 92 | # --- Main program
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| 93 |
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| 94 | if __name__ == '__main__':
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| 95 | parser = make_parser()
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| 96 | parser.setContentHandler(RSSHandler())
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| 97 | parser.parse(sys.argv[1])
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