usr
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lib64
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python2.7
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Demo
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xml
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roundtrip.py
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""" A simple demo that reads in an XML document and spits out an equivalent, but not necessarily identical, document. """ import sys from xml.sax import saxutils, handler, make_parser # --- The ContentHandler class ContentGenerator(handler.ContentHandler): def __init__(self, out=sys.stdout): handler.ContentHandler.__init__(self) self._out = out # ContentHandler methods def startDocument(self): self._out.write('<?xml version="1.0" encoding="iso-8859-1"?>\n') def startElement(self, name, attrs): self._out.write('<' + name) for (name, value) in attrs.items(): self._out.write(' %s="%s"' % (name, saxutils.escape(value))) self._out.write('>') def endElement(self, name): self._out.write('</%s>' % name) def characters(self, content): self._out.write(saxutils.escape(content)) def ignorableWhitespace(self, content): self._out.write(content) def processingInstruction(self, target, data): self._out.write('<?%s %s?>' % (target, data)) # --- The main program if __name__ == '__main__': parser = make_parser() parser.setContentHandler(ContentGenerator()) parser.parse(sys.argv[1])
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