42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
# Generated by Django 3.1.5 on 2021-03-04 17:17
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from django.apps.registry import Apps
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from django.db import migrations, models
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from django.db.backends.base.schema import BaseDatabaseSchemaEditor
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from django.utils.text import slugify
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def forwards(apps: Apps, schema_editor: BaseDatabaseSchemaEditor) -> None:
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Tag = apps.get_model("articles", "Tag")
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db_alias = schema_editor.connection.alias
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tags = Tag.objects.using(db_alias).all()
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for tag in tags:
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tag.slug = slugify(tag.name)
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Tag.objects.bulk_update(tags, ["slug"])
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def backwards(apps: Apps, schema_editor: BaseDatabaseSchemaEditor) -> None:
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Tag = apps.get_model("articles", "Tag")
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db_alias = schema_editor.connection.alias
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Tag.objects.using(db_alias).update(slug="")
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class Migration(migrations.Migration):
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dependencies = [
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("articles", "0029_auto_20210303_1711"),
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]
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operations = [
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migrations.AddField(
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model_name="tag",
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name="slug",
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field=models.CharField(blank=True, max_length=255),
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),
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migrations.RunPython(forwards, backwards),
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migrations.AlterField(
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model_name="tag",
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name="slug",
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field=models.CharField(max_length=255, unique=True),
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),
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]
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