1. # python3 on Mac
    3. pip3 install sqlalchemy mysqclient
    5. # CentOS
    6. yum install MySQL-python
    1. import sqlalchemy
    2. import MySQLdb
    4. from sqlalchemy import create_engine, MetaData
    6. def connect_db ():
    7.     # connect db:
    8.     engine = create_engine("mysql://user:pass@localhost/db", echo = True)
    10.     meta = MetaData()
    11.     conn = engine.connect()