"""

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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

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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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if __name__ == '__main__':

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parser = make_parser()

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parser.setContentHandler(ContentGenerator())

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parser.parse(sys.argv[1])

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