A Signal Receiver template

signals.py

from django.db.models.signals import post_save
from django.dispatch import receiver

@receiver(post_save, sender=ShortLink)
def shortlink_save_handler(sender, **kwargs):
    instance = kwargs['instance']
    created = kwargs.get('created', False)
    shortlink = ShortLink.objects.get(pk=instance.pk_shortlink)
    shortlink_shoveler = ShovelShortlink()
    shortlink_shoveler.update_one(shortlink, created)