def __init__(self, name, host='127.0.0.1', port=27017):
        self.name = name
        self.host = host
        self.port = port
def _compileddirpats(self):
        pat, matchfunc = _buildregexmatch(
            [("glob", p, "") for p in self._globdirpats], "$"
        )
        return matchfunc