def register_with_messaging_service()

in phones/models.py [0:0]

• 34 lines of code
• 10 McCabe index (conditional complexity)

def register_with_messaging_service(client: Client, number_sid: str) -> None:
    """Register a Twilio US phone number with a Messaging Service."""

    if not settings.TWILIO_MESSAGING_SERVICE_SID:
        raise ValueError(
            "settings.TWILIO_MESSAGING_SERVICE_SID must contain a value when calling "
            "register_with_messaging_service"
        )

    closed_sids = CachedList("twilio_messaging_service_closed")

    for service_sid in settings.TWILIO_MESSAGING_SERVICE_SID:
        if service_sid in closed_sids:
            continue
        try:
            client.messaging.v1.services(service_sid).phone_numbers.create(
                phone_number_sid=number_sid
            )
        except TwilioRestException as err:
            log_extra = {
                "err_msg": err.msg,
                "status": err.status,
                "code": err.code,
                "service_sid": service_sid,
                "number_sid": number_sid,
            }
            if err.status == 409 and err.code == 21710:
                # Log "Phone Number is already in the Messaging Service"
                # https://www.twilio.com/docs/api/errors/21710
                events_logger.warning("twilio_messaging_service", extra=log_extra)
                return
            elif err.status == 412 and err.code == 21714:
                # Log "Number Pool size limit reached", continue to next service
                # https://www.twilio.com/docs/api/errors/21714
                closed_sids.append(service_sid)
                events_logger.warning("twilio_messaging_service", extra=log_extra)
            else:
                # Log and re-raise other Twilio errors
                events_logger.error("twilio_messaging_service", extra=log_extra)
                raise
        else:
            return  # Successfully registered with service

    raise Exception("All services in TWILIO_MESSAGING_SERVICE_SID are full")