from django.utils.module_loading import import_string
from django.conf import settings


def get_connection(backend=None, **kwargs):
    klass = import_string(backend or getattr(settings, 'SMS_BACKEND', None))
    return klass(**kwargs)


def send_sms_message(*args, **kwargs):
    connection = get_connection()
    return connection.send_message(*args, **kwargs)