0010_auto_20150208_1451.py
44 lines
| 1.4 KiB
| text/x-python
|
PythonLexer
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r983 | # -*- coding: utf-8 -*- | ||
from __future__ import unicode_literals | ||||
from django.db import models, migrations | ||||
class Migration(migrations.Migration): | ||||
def clean_duplicate_tags(apps, schema_editor): | ||||
Tag = apps.get_model('boards', 'Tag') | ||||
for tag in Tag.objects.all(): | ||||
tags_with_same_name = Tag.objects.filter(name=tag.name).all() | ||||
if len(tags_with_same_name) > 1: | ||||
for tag_duplicate in tags_with_same_name[1:]: | ||||
threads = tag_duplicate.thread_set.all() | ||||
for thread in threads: | ||||
thread.tags.add(tag) | ||||
tag_duplicate.delete() | ||||
dependencies = [ | ||||
('boards', '0009_post_thread'), | ||||
] | ||||
operations = [ | ||||
migrations.AlterField( | ||||
model_name='post', | ||||
name='thread', | ||||
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r1986 | field=models.ForeignKey(on_delete=models.CASCADE, to='boards.Thread', related_name='pt+'), | ||
|
r983 | preserve_default=True, | ||
), | ||||
migrations.RunPython(clean_duplicate_tags), | ||||
migrations.AlterField( | ||||
model_name='tag', | ||||
name='name', | ||||
field=models.CharField(db_index=True, unique=True, max_length=100), | ||||
preserve_default=True, | ||||
), | ||||
migrations.AlterField( | ||||
model_name='tag', | ||||
name='required', | ||||
field=models.BooleanField(db_index=True, default=False), | ||||
preserve_default=True, | ||||
), | ||||
] | ||||