Josh VanderLinden avatar Josh VanderLinden committed b0e95e5

#14 - Another fix for the Tag.slug migration problem

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Files changed (3)

articles/migrations/0003_auto__add_field_tag_slug.py

         # Adding field 'Tag.slug'
         db.add_column('articles_tag', 'slug', self.gf('django.db.models.fields.CharField')(default='', max_length=64, null=True, blank=True), keep_default=False)
 
-        # find all tags with an empty slug
-        from articles.models import Tag
-        for tag in Tag.objects.filter(slug=''):
-            # trigger the automatic slug population
-            tag.save()
-
-        # now add the unique constraint
-        db.alter_column('articles_tag', 'slug', self.gf('django.db.models.fields.CharField')(default='', unique=True, max_length=64, null=True, blank=True))
 
     def backwards(self, orm):
 

articles/migrations/0004_set_tag_slugs.py

+# encoding: utf-8
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+class Migration(SchemaMigration):
+
+    no_dry_run = True
+
+    def forwards(self, orm):
+        """Finds all tags with an empty slug and populates it"""
+
+        for tag in orm.Tag.objects.filter(slug__isnull=True):
+            tag.save()
+
+        for tag in orm.Tag.objects.filter(slug=''):
+            tag.save()
+
+    def backwards(self, orm):
+        """Not important this time"""
+
+        pass
+
+
+    models = {
+        'articles.article': {
+            'Meta': {'ordering': "('-publish_date', 'title')", 'object_name': 'Article'},
+            'addthis_use_author': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'addthis_username': ('django.db.models.fields.CharField', [], {'default': 'None', 'max_length': '50', 'blank': 'True'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
+            'auto_tag': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'content': ('django.db.models.fields.TextField', [], {}),
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'expiration_date': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'followup_for': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "'followups'", 'blank': 'True', 'to': "orm['articles.Article']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'keywords': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'login_required': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'markup': ('django.db.models.fields.CharField', [], {'default': "'h'", 'max_length': '1'}),
+            'publish_date': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'related_articles': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'related_articles_rel_+'", 'blank': 'True', 'to': "orm['articles.Article']"}),
+            'rendered_content': ('django.db.models.fields.TextField', [], {}),
+            'sites': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['sites.Site']", 'symmetrical': 'False', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '50', 'db_index': 'True'}),
+            'status': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['articles.ArticleStatus']"}),
+            'tags': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['articles.Tag']", 'symmetrical': 'False', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'use_addthis_button': ('django.db.models.fields.BooleanField', [], {'default': 'True'})
+        },
+        'articles.articlestatus': {
+            'Meta': {'ordering': "('ordering', 'name')", 'object_name': 'ArticleStatus'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_live': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'}),
+            'ordering': ('django.db.models.fields.IntegerField', [], {'default': '0'})
+        },
+        'articles.attachment': {
+            'Meta': {'ordering': "('-article', 'id')", 'object_name': 'Attachment'},
+            'article': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'attachments'", 'to': "orm['articles.Article']"}),
+            'attachment': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
+            'caption': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
+        },
+        'articles.tag': {
+            'Meta': {'ordering': "('name',)", 'object_name': 'Tag'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '64'}),
+            'slug': ('django.db.models.fields.CharField', [], {'max_length': '64', 'unique': 'True', 'null': 'True', 'blank': 'True'})
+        },
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'sites.site': {
+            'Meta': {'ordering': "('domain',)", 'object_name': 'Site', 'db_table': "'django_site'"},
+            'domain': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        }
+    }
+
+    complete_apps = ['articles']

articles/migrations/0005_make_slugs_unique.py

+# encoding: utf-8
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        """Adds the unique constraint on tag slugs"""
+
+        db.alter_column('articles_tag', 'slug', self.gf('django.db.models.fields.CharField')(default='', unique=True, max_length=64, null=True, blank=True))
+
+
+    def backwards(self, orm):
+        """Drops the unique constraint"""
+
+        db.alter_column('articles_tag', 'slug', self.gf('django.db.models.fields.CharField')(default='', unique=False, max_length=64, null=True, blank=True))
+
+
+    models = {
+        'articles.article': {
+            'Meta': {'ordering': "('-publish_date', 'title')", 'object_name': 'Article'},
+            'addthis_use_author': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'addthis_username': ('django.db.models.fields.CharField', [], {'default': 'None', 'max_length': '50', 'blank': 'True'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
+            'auto_tag': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'content': ('django.db.models.fields.TextField', [], {}),
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'expiration_date': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'followup_for': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "'followups'", 'blank': 'True', 'to': "orm['articles.Article']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'keywords': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'login_required': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'markup': ('django.db.models.fields.CharField', [], {'default': "'h'", 'max_length': '1'}),
+            'publish_date': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'related_articles': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'related_articles_rel_+'", 'blank': 'True', 'to': "orm['articles.Article']"}),
+            'rendered_content': ('django.db.models.fields.TextField', [], {}),
+            'sites': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['sites.Site']", 'symmetrical': 'False', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '50', 'db_index': 'True'}),
+            'status': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['articles.ArticleStatus']"}),
+            'tags': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['articles.Tag']", 'symmetrical': 'False', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'use_addthis_button': ('django.db.models.fields.BooleanField', [], {'default': 'True'})
+        },
+        'articles.articlestatus': {
+            'Meta': {'ordering': "('ordering', 'name')", 'object_name': 'ArticleStatus'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_live': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'}),
+            'ordering': ('django.db.models.fields.IntegerField', [], {'default': '0'})
+        },
+        'articles.attachment': {
+            'Meta': {'ordering': "('-article', 'id')", 'object_name': 'Attachment'},
+            'article': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'attachments'", 'to': "orm['articles.Article']"}),
+            'attachment': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
+            'caption': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
+        },
+        'articles.tag': {
+            'Meta': {'ordering': "('name',)", 'object_name': 'Tag'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '64'}),
+            'slug': ('django.db.models.fields.CharField', [], {'max_length': '64', 'unique': 'True', 'null': 'True', 'blank': 'True'})
+        },
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'sites.site': {
+            'Meta': {'ordering': "('domain',)", 'object_name': 'Site', 'db_table': "'django_site'"},
+            'domain': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        }
+    }
+
+    complete_apps = ['articles']
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