from django.apps import AppConfig
from django.db.models.signals import post_migrate

def create_speciality(sender, **kwargs):
    from .models import Speciality
    if not Speciality.objects.filter(name='GROUPE').exists():
        Speciality.objects.create(name='GROUPE', colorCode='#FF0000')

class SchoolConfig(AppConfig):
    default_auto_field = 'django.db.models.BigAutoField'
    name = 'School'

    def ready(self):
        post_migrate.connect(create_speciality, sender=self)