odapi/app/twilio.py

from twilio.rest import Client
from secrets import randbits
from constants import ACCOUNT_ID, TOKEN, SMS_SENDER
from database.crud import save_otp


async def connect_api():
    account_sid = ACCOUNT_ID
    auth_token = TOKEN
    client = Client(account_sid, auth_token)
    return client


async def generate_code():
    bits = 16
    code = randbits(bits)
    return code


async def send_otp(receiver):
    client = connect_api()
    code = generate_code()
    message = "Your OTP code is {0}".format(code)
    client.messages.create(to=receiver, from_=SMS_SENDER, body=message)
    save_otp(receiver, code)