netbox-docker/startup_scripts/050_manufacturers.py

from dcim.models import Manufacturer
from startup_script_utils import load_yaml
import sys

manufacturers = load_yaml('/opt/netbox/initializers/manufacturers.yml')

if manufacturers is None:
  sys.exit()

for params in manufacturers:
  manufacturer, created = Manufacturer.objects.get_or_create(**params)

  if created:
    print("🏭 Created Manufacturer", manufacturer.name)