boards/migrations/0015_auto_20150420_1331.py

# -*- coding: utf-8 -*-
from __future__ import unicode_literals

import uuid

from django.db import models, migrations


class Migration(migrations.Migration):

    def assign_uids(apps, schema_editor):
        Post = apps.get_model('boards', 'Post')
        for post in Post.objects.all():
            post.uid = str(uuid.uuid4())
            post.save(update_fields=['uid'])

    dependencies = [
        ('boards', '0014_auto_20150418_1749'),
    ]

    operations = [
        migrations.AddField(
            model_name='post',
            name='uid',
            field=models.TextField(default=''),
            preserve_default=False,
        ),
        migrations.RunPython(assign_uids),
    ]