python连接pgsql&mysql

import psycopg2

def connect_pgsql(list_sql):
    conn = psycopg2.connect(host='db_host',
                            user='db_user',
                            password='db_passwd',
                            database='db_name',
                            port='db_port')
    cursor = conn.cursor()
    cursor.execute(list_sql)
    logger.info("执行sql语句: %s" % list_sql)
    conn.commit()

    cursor.close()
    conn.close()

import   pymysql

def connect_mysql(list_sql):
    conn = pymysql.connect(host='db_host',
                            user='db_user',
                            password='db_passwd',
                            database='db_name',
                            port='db_port')
    cursor = conn.cursor()
    cursor.execute(list_sql)
    logger.info("执行sql语句: %s" % list_sql)
    conn.commit()

    cursor.close()
    conn.close()