DBHandler.py 文件源码

def support_func_get_all(self, lim):
        """

        Args:
            lim(int): number of items you need to get from the database

        Returns:
            result(collection): all elements in the
        """

        try:
            entries_table = self.db["Entries_Table"]
            result = entries_table.find().limit(lim)
            print result[0]
            return result
        except errors.ServerSelectionTimeoutError:
            print('ERROR : No connection could be made because'
                  'the target machine actively refused it')
            return None