configparser 的使用

config.ini

[dev]
MYSQL_HOST = 111111
MYSQL_PORT = 5506
MYSQL_DBNAME = 222
MYSQL_USER = deployop
MYSQL_PASSWORD = xxx
REST_URL = http://localhost:9090/api/set...
NOTICE_URL = http://example:18089/

[stg1]
MYSQL_HOST = sss
MYSQL_PORT = 4255
MYSQL_DBNAME = sss
MYSQL_USER = deployop
MYSQL_PASSWORD = deploy123
REST_URL = http://localhost:9090/api/set...
NOTICE_URL = http://example2:18089/alert/p...

[prod]
MYSQL_HOST = aaaa
MYSQL_PORT = 3532
MYSQL_DBNAME = paaaa
MYSQL_USER = ssss
MYSQL_PASSWORD = ssss
REST_URL = http://localhost:9090/api/set...
NOTICE_URL = http://example3:18089/alert/p...

read_config.py

import configparser
import os
import re
config = configparser.ConfigParser()
config.read('config.ini',encoding = 'utf-8')

ENV = 'dev'
# ENV = 'prod'

def get_value(key):
    return config.get(ENV,key)