# File: xml-parsers-expat-example-2.py

from xml.parsers import expat

class Parser:

    def __init__(self):
        self._parser = expat.ParserCreate()
        self._parser.StartElementHandler = self.start
        self._parser.EndElementHandler = self.end
        self._parser.CharacterDataHandler = self.data

    def feed(self, data):
        self._parser.Parse(data, 0)

    def close(self):
        self._parser.Parse("", 1) # end of data
        del self._parser # get rid of circular references

    def start(self, tag, attrs):
        print "START", repr(tag), attrs

    def end(self, tag):
        print "END", repr(tag)

    def data(self, data):
        print "DATA", repr(data)

p = Parser()
p.feed("""\
<?xml version='1.0' encoding='iso-8859-1'?>
<author>
<name>fredrik lundh</name>
<city>linköping</city>
</author>
"""
)
p.close()

## $ python xml-parsers-expat-example-2.py
## START u'author' {}
## DATA u'\012'
## START u'name' {}
## DATA u'fredrik lundh'
## END u'name'
## DATA u'\012'
## START u'city' {}
## DATA u'link\366ping'
## END u'city'
## DATA u'\012'
## END u'author'