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re2o/topologie/migrations/0052_transferports.py
Hugo Levy-Falk c4a104b3b6 I like my black.
Just ran black on the whoe repository. Fix #210.
2019-11-04 22:47:24 +01:00

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Python

# -*- coding: utf-8 -*-
# Generated by Django 1.10.7 on 2017-12-31 19:53
from __future__ import unicode_literals
from django.db import migrations
class Migration(migrations.Migration):
dependencies = [("topologie", "0051_switchs_machine")]
def transfer_port(apps, schema_editor):
db_alias = schema_editor.connection.alias
port = apps.get_model("topologie", "Port")
switch = apps.get_model("topologie", "NewSw")
port_list = port.objects.using(db_alias).all()
for p in port_list:
p.new_sw = switch.objects.filter(machine_ptr=p.switch.machine).first()
p.save()
def untransfer_port(apps, schema_editor):
return
operations = [
migrations.AlterUniqueTogether(name="port", unique_together=set([])),
migrations.RunPython(transfer_port, untransfer_port),
migrations.RemoveField(model_name="port", name="switch"),
migrations.RenameField("Port", "new_sw", "switch"),
]