Replica de dados

replica.py

from django.core import management
from pathlib import Path

class Command(management.base.BaseCommand):

    def handle(self, *args, **options):

        apps = ["core"]
        models = ["core.ModelA", "core.ModelB"]
        fixture_name = "audit"
        fixture_file = Path(f"core/fixtures/{fixture_name}.json")

        # Dump do banco original com modelos especificados para um arquivo
        with open(fixture_file, "w") as fixture:
            management.call_command("dumpdata", *models, database="default", format="json", output=fixture_file)

        # Manter os mesmos modelos entre os bancos
        management.call_command("migrate", *apps, database="default")
        management.call_command("migrate", *apps, database="audit")

        # Limpeza do banco de audit
        management.call_command("flush", database="audit", interactive=False)
        
        # Load dos dados gerados para o banco de audit
        management.call_command("loaddata", fixture_name, database="audit")

        # Deleção do arquivo de fixture
        fixture_file.unlink()
        

settings.py

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    },
    'audit': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'audit.sqlite3',
    }
}