from django.apps import AppConfig from django.db.models.signals import post_migrate from django.dispatch import receiver class ArchiveConfig(AppConfig): default_auto_field = "django.db.models.BigAutoField" name = "apps.archive" @receiver(post_migrate) def insert_defualt_data(sender, **kwargs): from apps.archive.models import SourceSiteModel categories = { "furaffinity": "FurAffinity", "deviantart": "DeviantArt", "twitter": "Twitter/X", } if sender.name == ArchiveConfig.name: for key, value in categories.items(): SourceSiteModel.objects.get_or_create(slug=key, name=value)