import os from django.db import migrations from django.core.management import call_command def load_data(apps, __): CommunicabilityType = apps.get_model("archaeological_finds", "communicabilitytype") if not CommunicabilityType.objects.count(): migration = "0125_data_migration_communicability.json" json_path = os.sep.join(os.path.abspath(__file__).split(os.sep)[:-1] + [migration]) call_command("loaddata", json_path) FunctionalArea = apps.get_model("archaeological_finds", "functionalarea") if not FunctionalArea.objects.count(): migration = "0125_data_migration_functionalarea.json" json_path = os.sep.join(os.path.abspath(__file__).split(os.sep)[:-1] + [migration]) call_command("loaddata", json_path) class Migration(migrations.Migration): dependencies = [ ('archaeological_finds', '0124_verbose_names'), ] operations = [ migrations.RunPython(load_data) ]