pip install cx_Oracle测试连接
import cx_Oracle
dsn = cx_Oracle.makedsn(host='127.0.0.1', port=1521, sid='your_sid')
conn = cx_Oracle.connect(user='your_username', password='your_password', dsn=dsn)
conn.close()原文：https://www.cnblogs.com/edhg/p/11540540.html