Get a text and an email when a value crosses your limit

from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from twilio.rest import Client
import base64
from clickruntime import on_trigger, credentials, http, state

SOURCE = "https://sensors.example.com/freezer-1"
MAX = -15.0
ME_PHONE, ME_EMAIL = "+447700900123", "me@example.com"
FROM = "+15005550006"

def sms(to, body):
    return Client(credentials.secret("TWILIO_ACCOUNT_SID"), credentials.secret("TWILIO_AUTH_TOKEN")).messages.create(to=to, from_=FROM, body=body)
gmail = lambda: build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False).users()

def send_email(to, subject, text):
    raw = base64.urlsafe_b64encode(f"To: {to}\r\nSubject: {subject}\r\n\r\n{text}".encode()).decode()
    gmail().messages().send(userId="me", body={"raw": raw}).execute()

@on_trigger
def run(event):
    value = float(http.get(SOURCE).json()["value"])
    over, was_over = value > MAX, bool(state.get("over"))
    if over and not was_over:
        msg = f"⚠️ Freezer 1 is at {value:.1f}°C (limit {MAX:.0f}°C)"
        sms(ME_PHONE, msg)
        send_email(ME_EMAIL, "Threshold crossed", msg)
    state.set("over", over)
    return {"value": value, "over": over}