Passing data out of a Sax parser
John J. Lee
jjl at pobox.com
Sun Sep 21 17:51:55 EDT 2003
"Andrew Dalke" <adalke at mindspring.com> writes:
> Tim Rowe:
> > b. Add a parameter to the handler's __init__ method, that takes some
> > sort of mutable object, and put the answer into that object.
>
> Either that or have startDocument create the mutable object, as
>
> class MyHandler(xml.sax.handlers.ContentHandler):
> def startDocument(self):
> self.count = 0
> def startElement(self, name, attrs):
> if name == "spam":
> self.count += 1
>
> parser = xml.sax.make_parser()
> h = MyHandler()
> parser.setContentHandler(h)
> h.parse(input)
> print h.count
Works, but integers aren't mutable.
John
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