我没有尝试过cx_Oracle，但是您可以通过指定各个参数来进行连接-
conn = cx_Oracle.connect(user='username', password='p@ssword', dsn='server:port/services')
要么
dsn_tns = cx_Oracle.makedsn('server', 'port', 'services')conn = cx_Oracle.connect(user='username', password='p@ssword', dsn=dsn_tns)
