boards/migrations/0025_auto_20150825_2049.py

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

from django.db import migrations


class Migration(migrations.Migration):

    def rebuild_refmap(apps, schema_editor):
        Post = apps.get_model('boards', 'Post')
        for post in Post.objects.all():
            refposts = list()
            for refpost in post.referenced_posts.all():
                result = '<a href="{}">&gt;&gt;{}</a>'.format(refpost.get_absolute_url(),
                        self.id)
                if refpost.is_opening():
                    result = '<b>{}</b>'.format(result)
                refposts += result
            post.refmap = ', '.join(refposts)
            post.save(update_fields=['refmap'])

    dependencies = [
        ('boards', '0024_post_tripcode'),
    ]

    operations = [
        migrations.RunPython(rebuild_refmap),
    ]