def connect(self): 
        try:
            self.connection = pymongo.Connection(self.host, self.port)
            self.db = self.connection[self.name]
        except AutoReconnect:
            raise DatabaseException("It's not possible connect to the database")
def normalizerootdir(dir, funcname):
    if dir == ".":
        util.nouideprecwarn(
            "match.%s() no longer accepts '.', use '' instead." % funcname, "20190805"
        )
        return ""
    return dir