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Viewing changes to Demo/xml/roundtrip.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-02-13 12:51:00 UTC
  • Revision ID: james.westby@ubuntu.com-20090213125100-uufgcb9yeqzujpqw
Tags: upstream-2.6.1
Import upstream version 2.6.1

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Demo/xml/roundtrip.py
 
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"""
 
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A simple demo that reads in an XML document and spits out an equivalent,
 
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but not necessarily identical, document.
 
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"""
 
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import sys, string
 
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from xml.sax import saxutils, handler, make_parser
 
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# --- The ContentHandler
 
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class ContentGenerator(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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    # ContentHandler methods
 
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    def startDocument(self):
 
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        self._out.write('<?xml version="1.0" encoding="iso-8859-1"?>\n')
 
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    def startElement(self, name, attrs):
 
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        self._out.write('<' + name)
 
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        for (name, value) in attrs.items():
 
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            self._out.write(' %s="%s"' % (name, saxutils.escape(value)))
 
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        self._out.write('>')
 
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    def endElement(self, name):
 
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        self._out.write('</%s>' % name)
 
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    def characters(self, content):
 
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        self._out.write(saxutils.escape(content))
 
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    def ignorableWhitespace(self, content):
 
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        self._out.write(content)
 
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    def processingInstruction(self, target, data):
 
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        self._out.write('<?%s %s?>' % (target, data))
 
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# --- The main program
 
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parser = make_parser()
 
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parser.setContentHandler(ContentGenerator())
 
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parser.parse(sys.argv[1])