def parse_args(self, args=None, options=None):
        """Call optparse.parse_args, but return a triple:

        (ok, options, args)

        """
        try:
            options, args = \
                super(CoverageOptionParser, self).parse_args(args, options)
        except self.OptionParserError:
            return False, None, None
        return True, options, args