client_rest_temp.py

import time
import threading
from tkinter import Tk, Label, StringVar
from requests import get

def build(toplevel):
    sensor1 = StringVar(toplevel)
    sensor2 = StringVar(toplevel)
    sensor3 = StringVar(toplevel)
    sensor4 = StringVar(toplevel)
    Label(toplevel, text='Sensor 1', padx=10, pady=10).grid(row=0, column=0)
    Label(toplevel, text='Sensor 2', padx=10, pady=10).grid(row=1, column=0)
    Label(toplevel, text='Sensor 3', padx=10, pady=10).grid(row=2, column=0)
    Label(toplevel, text='Sensor 4', padx=10, pady=10).grid(row=3, column=0)
    Label(toplevel, textvariable=sensor1, padx=10, pady=10).grid(row=0, column=1)
    Label(toplevel, textvariable=sensor2, padx=10, pady=10).grid(row=1, column=1)
    Label(toplevel, textvariable=sensor3, padx=10, pady=10).grid(row=2, column=1)
    Label(toplevel, textvariable=sensor4, padx=10, pady=10).grid(row=3, column=1)
    return (sensor1, sensor2, sensor3, sensor4)

def get_temp(sensor1, sensor2, sensor3, sensor4):
    while True:
        try:
            s1 = get('http://127.0.0.1:5000/sensor/1').json()['temp']
            s2 = get('http://127.0.0.1:5000/sensor/2').json()['temp']
            s3 = get('http://127.0.0.1:5000/sensor/3').json()['temp']
            s4 = get('http://127.0.0.1:5000/sensor/4').json()['temp']
        except:
            time.sleep(1)
            continue
        else:
            sensor1.set(s1)
            sensor2.set(s2)
            sensor3.set(s3)
            sensor4.set(s4)
            time.sleep(1)

if __name__ == '__main__':
    root = Tk()
    sensor1, sensor2, sensor3, sensor4 = build(root)
    thread = threading.Thread(target=get_temp, args=(sensor1, sensor2, sensor3, sensor4))
    thread.setDaemon(True)
    thread.start()
    root.mainloop()