text: 
  # -*- coding: utf-8 -*-
  import datetime
  from south.db import db
  from south.v2 import SchemaMigration
  from django.db import models
  
  
  try:
      from django.contrib.auth import get_user_model
  except ImportError: # django < 1.5
      from django.contrib.auth.models import User
  else:
      User = get_user_model()
  
  user_orm_label = '%s.%s' % (User._meta.app_label, User._meta.object_name)
  user_model_label = '%s.%s' % (User._meta.app_label, User._meta.module_name)
  
  
  class Migration(SchemaMigration):
  
      def forwards(self, orm):
          # Adding field 'Rating.rating_date'
          db.add_column('generic_rating', 'rating_date',
                        self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, null=True, blank=True),
                        keep_default=False)
  
  
      def backwards(self, orm):
          # Deleting field 'Rating.rating_date'
          db.delete_column('generic_rating', 'rating_date')
  
  
      models = {
          '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'})
          },
          user_model_label: {
              'Meta': {'object_name': User.__name__, 'db_table': "'%s'" % User._meta.db_table},
              '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'})
          },
          'comments.comment': {
              'Meta': {'ordering': "('submit_date',)", 'object_name': 'Comment', 'db_table': "'django_comments'"},
              'comment': ('django.db.models.fields.TextField', [], {'max_length': '3000'}),
              'content_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'content_type_set_for_comment'", 'to': "orm['contenttypes.ContentType']"}),
              'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'ip_address': ('django.db.models.fields.IPAddressField', [], {'max_length': '15', 'null': 'True', 'blank': 'True'}),
              'is_public': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
              'is_removed': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
              'object_pk': ('django.db.models.fields.TextField', [], {}),
              'site': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['sites.Site']"}),
              'submit_date': ('django.db.models.fields.DateTimeField', [], {'default': 'None'}),
              'user': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'comment_comments'", 'null': 'True', 'to': "orm['%s']" % user_orm_label}),
              'user_email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
              'user_name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'blank': 'True'}),
              'user_url': ('django.db.models.fields.URLField', [], {'max_length': '200', 'blank': 'True'})
          },
          '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'})
          },
          'generic.assignedkeyword': {
              'Meta': {'ordering': "('_order',)", 'object_name': 'AssignedKeyword'},
              '_order': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
              'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
              'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'keyword': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'assignments'", 'to': "orm['generic.Keyword']"}),
              'object_pk': ('django.db.models.fields.IntegerField', [], {})
          },
          'generic.keyword': {
              'Meta': {'object_name': 'Keyword'},
              'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'site': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['sites.Site']"}),
              'slug': ('django.db.models.fields.CharField', [], {'max_length': '2000', 'null': 'True', 'blank': 'True'}),
              'title': ('django.db.models.fields.CharField', [], {'max_length': '500'})
          },
          'generic.rating': {
              'Meta': {'object_name': 'Rating'},
              'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
              'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'object_pk': ('django.db.models.fields.IntegerField', [], {}),
              'rating_date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'null': 'True', 'blank': 'True'}),
              'value': ('django.db.models.fields.IntegerField', [], {})
          },
          'generic.threadedcomment': {
              'Meta': {'ordering': "('submit_date',)", 'object_name': 'ThreadedComment', '_ormbases': ['comments.Comment']},
              'by_author': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
              'comment_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['comments.Comment']", 'unique': 'True', 'primary_key': 'True'}),
              #'rating': ('mezzanine.generic.fields.RatingField', [], {'object_id_field': "'object_pk'", 'to': "orm['generic.Rating']", 'frozen_by_south': 'True'}),
              'rating_average': ('django.db.models.fields.FloatField', [], {'default': '0'}),
              'rating_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
              'replied_to': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'comments'", 'null': 'True', 'to': "orm['generic.ThreadedComment']"})
          },
          '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 = ['generic']
  