re2o/topologie/migrations/0048_ap_machine.py

# -*- coding: utf-8 -*-
# Generated by Django 1.10.7 on 2018-03-23 01:18
from __future__ import unicode_literals

from django.db import migrations, models
import django.db.models.deletion


class Migration(migrations.Migration):

    dependencies = [("topologie", "0047_ap_machine")]

    def transfer_ap(apps, schema_editor):
        db_alias = schema_editor.connection.alias
        ap = apps.get_model("topologie", "AccessPoint")
        new_ap = apps.get_model("topologie", "NewAccessPoint")
        ap_list = ap.objects.using(db_alias).all()
        for borne in ap_list:
            new_borne = new_ap()
            new_borne.machine_ptr_id = borne.machine.pk
            new_borne.__dict__.update(borne.machine.__dict__)
            new_borne.location = borne.location
            new_borne.save()

    def untransfer_ap(apps, schema_editor):
        return

    operations = [
        migrations.RunPython(transfer_ap, untransfer_ap),
        migrations.DeleteModel(name="AccessPoint"),
        migrations.RenameModel(old_name="NewAccessPoint", new_name="AccessPoint"),
    ]