Created
February 11, 2017 17:05
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Example migraton file to autogerate slug from existing django models
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| # -*- coding: utf-8 -*- | |
| # Generated by Django 1.9.9 on 2017-02-11 16:54 | |
| from __future__ import unicode_literals | |
| from django.db import migrations, models | |
| from django.template.defaultfilters import slugify | |
| def migrate_docs_forward(apps, schema_editor): | |
| documents = apps.get_model("documents", "Documents") | |
| for instance in documents.objects.all(): | |
| print ("Generating slug for %s" % instance.name) | |
| instance.slug = slugify("%s" % instance.name) | |
| instance.save() # Will trigger slug update | |
| def migrate_docs_backards(apps, schema_editor): | |
| pass | |
| class Migration(migrations.Migration): | |
| dependencies = [ | |
| ('documents', '0005_auto_20170211_1628'), | |
| ] | |
| operations = [ | |
| migrations.AddField( | |
| model_name='documents', | |
| name='slug', | |
| field=models.SlugField(blank=True, help_text='Short descriptive unique name for use in urls.', max_length=200, unique=True, verbose_name='Slug'), | |
| ), | |
| migrations.RunPython( | |
| migrate_docs_forward, | |
| migrate_docs_backards, | |
| ), | |
| ] |
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