pythongui性能_Python应用程序MQTT使用paho和GUI使用Tkinter严重的性能问题(选择。选择)...

我正在构建一个应用程序，它使用MQTT发布/接收数据，使用一个简单的GUI来显示接收到的数据，并切换开关，如果更改了，则使用MQTT发布消息。在

应用程序按预期运行，但太慢了。在

注意：我试图在另一个线程上运行MQTT，但问题是我必须访问MQTT函数中的Tkinter对象，这是Tkinter不允许的(这是我理解的)from tkinter import *

import paho.mqtt.client as mqtt

import gui

running = True

def update_running():

global running

running = False

root.destroy()

def update_meters(topic, value):

if topic == "home/office/temperature":

office_temperature_meter.reading.set(value)

elif topic == "home/bed/temperature":

bed_temperature_meter.reading.set(value)

elif topic == "home/living/temperature":

living_temperature_meter.reading.set(value)

def on_connect(client, userdata, flags, rc):

print("Connected With Result Code "+rc)

def on_message(client, userdata, message):

print(message.topic + " Received: " + message.payload.decode())

update_meters(message.topic, message.payload.decode())

# Establishing Connection

broker_url = "iot.eclipse.org"

broker_port = 1883

client = mqtt.Client("G2K_RaspberryPie3_x01")

client.on_connect = on_connect

client.on_message = on_message

client.connect(broker_url, broker_port)

client.subscribe("home/office/temperature", qos=1)

client.subscribe("home/bed/temperature", qos=1)

client.subscribe("home/living/temperature", qos=1)

###########

# Initiating Main Application Window

root = Tk()

root.geometry("{0}x{1}+0+0".format(root.winfo_screenwidth(), root.winfo_screenheight()))

root.focus_set()

root.title("G2K: Smart Home")

root.protocol("WM_DELETE_WINDOW", update_running)

###########

# Office Frame

office_frame = gui.FrameCreate(250, 650, "LightGrey", 20, 20, "Office", 85)

root.update()

office_lights_button = gui.ToggleButton(10, 100, "Lights", office_frame.frame)

office_conditioner_button = gui.ToggleButton(10, 200, "Air Conditioner", office_frame.frame)

office_temperature_meter = gui.ReadingMeter(10, 300, "Temperature", office_frame.frame)

###########

# Bedroom Frame

bed_frame = gui.FrameCreate(250, 650, "LightGrey", 300, 20, "Bedroom", 75)

root.update()

bed_lights_button = gui.ToggleButton(10, 100, "Lights", bed_frame.frame)

bed_conditioner_button = gui.ToggleButton(10, 200, "Air Conditioner", bed_frame.frame)

bed_temperature_meter = gui.ReadingMeter(10, 300, "Temperature", bed_frame.frame)

###########

# Livingroom Frame

living_frame = gui.FrameCreate(250, 650, "LightGrey", 590, 20, "Living Room", 60)

root.update()

living_lights_button = gui.ToggleButton(10, 100, "Lights", living_frame.frame)

living_conditioner_button = gui.ToggleButton(10, 200, "Air Conditioner", living_frame.frame)

living_temperature_meter = gui.ReadingMeter(10, 300, "Temperature", living_frame.frame)

###########

while 1:

if running:

# constantly update the GUI

root.update()

# constantly check if any messages arrived on subscribed topics

client.loop()

# Check if state is not changed, to avoid sending redundant requests.

if office_lights_button.button_state != office_lights_button.button_prev_state:

client.publish(topic="home/office/light", payload=int(office_lights_button.button_state), qos=1,

retain=False)

office_lights_button.button_prev_state = office_lights_button.button_state

if office_conditioner_button.button_state != office_conditioner_button.button_prev_state:

client.publish(topic="home/office/conditioner", payload=int(office_conditioner_button.button_state), qos=1,

retain=False)

office_conditioner_button.button_prev_state = office_conditioner_button.button_state

# Check if state is not changed, to avoid sending redundant requests.

if bed_lights_button.button_state != bed_lights_button.button_prev_state:

client.publish(topic="home/bed/light", payload=int(bed_lights_button.button_state), qos=1,

retain=False)

bed_lights_button.button_prev_state = bed_lights_button.button_state

if bed_conditioner_button.button_state != bed_conditioner_button.button_prev_state:

client.publish(topic="home/bed/conditioner", payload=int(bed_conditioner_button.button_state), qos=1,

retain=False)

bed_conditioner_button.button_prev_state = bed_conditioner_button.button_state

# Check if state is not changed, to avoid sending redundant requests.

if living_lights_button.button_state != living_lights_button.button_prev_state:

client.publish(topic="home/living/light", payload=int(living_lights_button.button_state), qos=1,

retain=False)

living_lights_button.button_prev_state = living_lights_button.button_state

if living_conditioner_button.button_state != living_conditioner_button.button_prev_state:

client.publish(topic="home/living/conditioner", payload=int(bed_conditioner_button.button_state), qos=1,

retain=False)

living_conditioner_button.button_prev_state = living_conditioner_button.button_state