Viewing file:  roundtrip.py (1.17 KB) -rw-r--r--
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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, string
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
parser = make_parser()
parser.setContentHandler(ContentGenerator())
parser.parse(sys.argv[1])
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