Capture and send photo to Telegram when magnetic contact switch is opened.

TelegramBotPhoto.py

from gpiozero import Buzzer, DigitalInputDevice
import telepot
import picamera

sensor = DigitalInputDevice(17, pull_up=True)
buzzer = Buzzer(26)

def handle(msg):
  global telegramText
  global chat_id
  global receiveTelegramMessage
  
  chat_id = msg['chat']['id']
  telegramText = msg['text']
  
  print("Message received from " + str(chat_id))
  
  if telegramText == "/start":
    bot.sendMessage(chat_id, "Welcome to Idris Bot")
  
  else:
    buzzer.beep(0.1, 0.1, 1)
    receiveTelegramMessage = True

def capture():
    print("Capturing photo...")
    camera = picamera.PiCamera()
    camera.capture('./photo.jpg')
    camera.close()
    print("Sending photo to " + str(chat_id))
    bot.sendPhoto(chat_id, photo = open('./photo.jpg', 'rb'))

def sensorTrigger():
    global statusText
    global sendTelegramMessage
    global cameraEnable
    global sendPhoto
    statusText = "Sensor is triggered!"
    sendTelegramMessage = True
    if cameraEnable == True:
        sendPhoto = True
    buzzer.beep(0.1, 0.1, 1)

bot = telepot.Bot('PUT YOUR TELEGRAM BOT TOKEN HERE')
bot.message_loop(handle)

sensor.when_deactivated = sensorTrigger

receiveTelegramMessage = False
sendTelegramMessage = False
cameraEnable = False
sendPhoto = False

statusText = ""

print("Telegram bot is ready")
buzzer.beep(0.1, 0.1, 2)

try:
    while True:
        if receiveTelegramMessage == True:
            receiveTelegramMessage = False
            
            statusText = ""
            
            if telegramText == "ENABLE":
                cameraEnable = True
                statusText = "Camera is enabled"
            elif telegramText == "PHOTO":
                sendPhoto = True
                statusText = "Capturing photo..."
            else:
                statusText = "Command is not valid"
            
            sendTelegramMessage = True
        
        if sendTelegramMessage == True:
            sendTelegramMessage = False
            bot.sendMessage(chat_id, statusText)

        if cameraEnable == True and sendPhoto == True:
            cameraEnable = False
            sendPhoto = False
            capture()
            
except KeyboardInterrupt:
    sys.exit(0)