pip install mytor

import mytor
from tornado.ioloop import IOLoop
from tornado.gen import coroutine


pool = mytor.ConnectionPool(
    max_connections = 20,       #max open connections
    idle_seconds = 7200,        #conntion idle timeout time, 0 is not timeout
    host = "127.0.0.1",
    user = "root",
    passwd = "secret",
    db = "test",
    charset = "utf8"
)


@coroutine
def test():
    with (yield pool.Connection()) as conn:
        with conn.cursor() as cursor:
            yield cursor.execute("SELECT * FROM test")
            datas = cursor.fetchall()

    print datas
    yield pool.close()

IOLoop.current().run_sync(test)