DELIMITER $$

DROP PROCEDURE IF EXISTS `drop_empty_tables_from` $$

CREATE PROCEDURE `drop_empty_tables_from`(IN schema_target VARCHAR(128))
BEGIN
    DECLARE table_list TEXT;
    DECLARE total      VARCHAR(11);

    SELECT
        GROUP_CONCAT(`TABLE_NAME`),
        COUNT(`TABLE_NAME`)
    INTO
        table_list,
        total
    FROM `information_schema`.`TABLES`
    WHERE
          `TABLE_SCHEMA` = schema_target
      AND `TABLE_ROWS`   = 0;

    IF table_list IS NOT NULL THEN
        SET @drop_tables = CONCAT("DROP TABLE ", table_list);

        PREPARE stmt FROM @drop_tables;
        EXECUTE stmt;
        DEALLOCATE PREPARE stmt;
    END IF;

    SELECT total AS affected_tables;
END $$

DELIMITER ;

<?php
$username="root";
$password="mypassword";
$database="mydatabase";
mysql_connect('localhost',$username,$password);
mysql_select_db($database) or die( "Unable to select database");

function drop_empty_tables(){
    $tables = mysql_query('SHOW TABLES');
    while($table = mysql_fetch_array($tables)){
        $table = $table[0];
        $records = mysql_query("SELECT * FROM $table");
        if(mysql_num_rows($records) == 0){
            // mysql_query("DROP TABLE $table");
            echo "DROP TABLE $table;n";
        }
    }
}

drop_empty_tables();
?>

import MySQLdb

conn = MySQLdb.connect(
    host='localhost',
    user='root',
    passwd='mypassword',
    db='mydatabase'
    )

c = conn.cursor()
c.execute('SHOW TABLES')
for table in c.fetchall():
    c.execute('SELECT * FROM %s' % table[0])
    if c.rowcount == 0:
        c.execute('DROP TABLE %s' % table[0])