lot_manager/config.py

import configparser

import subprocess

p = subprocess.Popen(['cat /home/pi/device_name'], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = p.communicate()
# 设备名称，必须要有
device_name = out.decode('utf-8').strip()

# 读取配置
config = configparser.ConfigParser()
# 读取公共配置
config.read('conf/main/common.conf')
# 域名
broker = config.get("broker", "host")
# 端口，这里必须是int类型
port = config.getint("broker", "port")
# 录像地址
post_record_list_url = config.get("record", "post_record_list_url")
post_record_url = config.get("record", "post_record_url")

# 读取设备配置
config.read('conf/device/device.conf')
# 订阅的主题
subscribe_topic = config.get(device_name, "subscribe_topic")
# 发布的主题
publish_topic = config.get(device_name, "publish_topic")
# 用户
username = config.get(device_name, "username")
# 密码
password = config.get(device_name, "password")

# 特殊配置
config.read('conf/zhanguan/topic.conf')
zhanguan_device_name = config.get("device", "name")
# tool配置
mp4_path = '/home/pi/mp4'