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 setLDAPDirectory(self, directory=None):
        if directory is None:
                self.directory = []
        else:
            try:
                with open(DIRECTORY, 'w+') as f:
                    f.write(str(directory))
                    self.directory = directory
            except OSError as e:
                raise