ThermoBuddy -温度測定通知デバイス-

RaspberryPi

部屋の温度が一定の温度を超えたとき、Lineに現在の部屋の温度、湿度を送信し、知らせることで熱中症を対策する
その日の最高気温、最低気温、天気もLineに送信する

部屋の温度はBME280で温度・湿度を用いて暑さ指数(WBGT)を測定し、規定値(28以上)になるとLineを送信することで熱中症を対策する
その日の最高気温、最低気温、天気をyahooから取得し、Lineに送信する


import tkinter
import numpy as np

from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, NavigationToolbar2Tk
from matplotlib.figure import Figure
import matplotlib.animation as animation

import RPi.GPIO as GPIO
import smbus2
import bme280
import lcd_st7032
from datetime import datetime
import time
import sys
import io
import requests
from bs4 import BeautifulSoup
import numpy.random as random
import matplotlib.pyplot as plt

port = 1
address = 0x76
bus = smbus2.SMBus(port)

date_t = [];
date_h = [];
date_p = [];

X_LIMIT = 100
RESOLUSION = 0.2

line_notify_token = 'Lineトークン'
line_notify_api = 'https://notify-api.line.me/api/notify'

# BME280が接続されているかを確認
try:
    bus.read_byte(address)
except:
    print('BME280が接続されていません')
    sys.exit()

# BME280を初期化
calibration_params = bme280.load_calibration_params(bus, address)

# START
print("Start check2.py")
print("(Ctrl-C to EXIT)")
print()

class GUI:
    cntt = 0
    def __init__(self):
        
        data = bme280.sample(bus, address, calibration_params)
        t = data.temperature
        h = data.humidity
        p = data.pressure

        self.data_t = np.zeros(int(X_LIMIT / RESOLUSION), dtype=int)
        self.data_h = np.zeros(int(X_LIMIT / RESOLUSION), dtype=int)
        self.data_p = np.zeros(int(X_LIMIT / RESOLUSION), dtype=int)
        self.root = tkinter.Tk()
        self.root.wm_title("Embedding in Tk anim")
        self.fig = Figure()
        canvas = FigureCanvasTkAgg(self.fig, master=self.root)
        x = np.arange(0, X_LIMIT, RESOLUSION)
        self.l = np.arange(0, X_LIMIT, RESOLUSION)
        
        plt_t = self.fig.add_subplot(111)
        plt_t.set_ylim([-10, 50])
        (self.line_t,) = plt_t.plot(x, self.data_t, "C1", label="Celsius")

        plt_h = plt_t.twinx()
        plt_h.set_ylim([0, 100])
        (self.line_h,) = plt_h.plot(x, self.data_h, "C0", label="humidity %")

        plt_p = plt_t.twinx()
        plt_p.set_ylim([900, 1200])
        (self.line_p,) = plt_p.plot(x, self.data_p, "C2", label="pressure hPa")

        h1, l1 = plt_t.get_legend_handles_labels()
        h2, l2 = plt_h.get_legend_handles_labels()
        h3, l3 = plt_p.get_legend_handles_labels()
        plt_t.legend(h1 + h2 + h3, l1 + l2 + l3, loc="upper left")

        self.ani = animation.FuncAnimation(
            self.fig,
            self.animate,
            self.l,
            interval=int(5000 * RESOLUSION),
            blit=False,
        )

        toolbar = NavigationToolbar2Tk(canvas, self.root)
        canvas.get_tk_widget().pack(fill="both")

        button = tkinter.Button(master=self.root, text="Quit", command=self.quit)
        button.pack()

    def quit(self):
        self.root.quit() 
        self.root.destroy()
        
    

    def animate(self, i):
        global cntt
        wbgt = 0
        try:
            data = bme280.sample(bus, address, calibration_params)
            t = data.temperature
            h = data.humidity
            p = data.pressure
            
            #暑さ指数を計算
            t2 = round(t,-1)
            h2 = round(h,-1)
            p2 = round(p,-1)
            
            if t2>33 and h2>80:
                wbgt = 33
            elif t2>32 and h2>75:
                wbgt = 31
            elif t2>31 and h2>70:
                wbgt = 30
            elif t2>30 and h2>65:
                wbgt = 29
            elif t2>29 and h2>60:
                wbgt = 28
            
            if wbgt >= 28:
                message = ("\n部屋の温度が既定値を超えました" + "\n部屋の暑さ指数は" + str(wbgt) + "です")
                payload = {'message': message}
                headers = {'Authorization': 'Bearer ' + line_notify_token} 
                line_notify = requests.post(line_notify_api, data=payload, headers=headers)
                sys.exit()
            
            date_t.append(data.temperature)
            date_h.append(data.humidity)
            date_p.append(data.pressure)
            
            cntt = cntt + 1
            print(cntt)
   
        except OSError:
            return

        self.data_t = np.append(self.data_t[1:], t)
        self.line_t.set_ydata(self.data_t)  # update the data_t.
        self.data_h = np.append(self.data_h[1:], h)
        self.line_h.set_ydata(self.data_h)  # update the data_h.
        self.data_p = np.append(self.data_p[1:], p)
        self.line_p.set_ydata(self.data_p)  # update the data_p.

    def run(self):
        for num in range(10):
            tkinter.mainloop()

if __name__ == "__main__":
    r = requests.get('https://weather.yahoo.co.jp/weather/jp/39/7410.html')
    soup = BeautifulSoup(r.content, "html.parser")
    wc = soup.find(class_="forecastCity")
    ws = [i.strip() for i in wc.text.splitlines()]
    wl = [i for i in ws if i != ""]
    message = ("\n" + "高知中部:" + wl[0] + "\n" + wl[1] + "\n"  + "最高気温:" + wl[2] + "\n"+ "最低気温:" + wl[3] + "\n" + "\n" + wl[18] + "\n" + wl[19] + "\n" + "最高気温:" + wl[20] + "\n" + "最低気温:" + wl[21] )
    payload = {'message': message}
    headers = {'Authorization': 'Bearer ' + line_notify_token} 
    line_notify = requests.post(line_notify_api, data=payload, headers=headers)
    cntt = 0
    gui = GUI()
    gui.run()

温度、湿度、気圧の変化をグラフに表示している。