python连接mqtt,无法发送大图片的解决方案

paho 连接mqtt比较方便和稳定.

import orjson
import paho.mqtt.client as mqtt
import threading

from config.config_app import AppConfig
from config.config_machine import MachineConfig
import logging

BH =  MachineConfig.SiteCode
 
def register(client):
  '''
   zhu ce she bei xin xi 
  '''
  info = {
   
   
      "version": AppConfig.version, 
      "device_type": AppConfig.device_type,
      "firmware_version": AppConfig.firmware_version,
      "SiteCode": MachineConfig.SiteCode ,  #="SiteCodeAAAAAAAAAAA" 
      "SiteName": MachineConfig.SiteName ,  #="XX小区3号站"
      "City": MachineConfig.City ,  # = "3301" #浙江省
      "Area": MachineConfig.Area ,  # = "330127"#杭州市
      "Street": MachineConfig.Street ,  # = "330127111" #淳安县
      "District":