from xml.sax import make_parser, ContentHandler
from StringIO import StringIO

class EmptyParser(ContentHandler): pass
empty_parser = EmptyParser()

class TestParser(ContentHandler):
    def __del__(self):
        print "TestParser destructed."

    def startElement(self, name, attrs): pass
    def endElement(self, name): pass
    def characters(name, chars): pass


def test1():
    for i in range(10):
        parser = make_parser()
        parser.setContentHandler(TestParser())
        parser.feed("")

def test2():
    for i in range(10):
        parser = make_parser()
        parser.setContentHandler(TestParser())
        parser.feed("")
        parser.setContentHandler(empty_parser)

if __name__ == '__main__':
    print "This is a test of an apparent XML memory leak."
    print "Test1:"
    test1()
    print "\n\n";
    print "Test2:"
    test2()