old_contents: # encoding: utf-8
  import datetime
  from south.db import db
  from south.v2 import SchemaMigration
  from django.db import models
  from django.db.utils import DatabaseError
  
  from django.contrib.contenttypes.models import ContentType
  
  class Migration(SchemaMigration):
  
      def forwards(self, orm):
  
          # Do the deletes in a separate transaction, as database errors when
          # deleting a table that does not exist would cause a transaction to be
          # rolled back
          db.start_transaction()
  
          ContentType.objects.filter(app_label='user_profile').delete()
  
          # Commit the deletes to the various tables.
          db.commit_transaction()
  
          try:
              db.delete_table('user_profile_userprofile')
          except DatabaseError:
              # table does not exist to delete, probably because the database was
              # not created at a time when the user_profile app was still in use.
              pass 
  
  
      def backwards(self, orm):
  
          # There is no backwards - to create the user_profile tables again add the app
          # back in and letting its migrations do the work.
          pass
  
  
      models = {}
  
      complete_apps = ['user_profile']
  
new_contents: # encoding: utf-8
  import datetime
  from south.db import db
  from south.v2 import SchemaMigration
  from south.models import MigrationHistory
  from django.db import models
  from django.db.utils import DatabaseError
  
  from django.contrib.contenttypes.models import ContentType
  
  class Migration(SchemaMigration):
  
      def forwards(self, orm):
  
          # Do the deletes in a separate transaction, as database errors when
          # deleting a table that does not exist would cause a transaction to be
          # rolled back
          db.start_transaction()
  
          ContentType.objects.filter(app_label='user_profile').delete()
  
          # Remove the entries from South's tables as we don't want to leave
          # incorrect entries in there.
          MigrationHistory.objects.filter(app_name='user_profile').delete()
  
          # Commit the deletes to the various tables.
          db.commit_transaction()
  
          try:
              db.delete_table('user_profile_userprofile')
          except DatabaseError:
              # table does not exist to delete, probably because the database was
              # not created at a time when the user_profile app was still in use.
              pass 
  
  
      def backwards(self, orm):
  
          # There is no backwards - to create the user_profile tables again add the app
          # back in and letting its migrations do the work.
          pass
  
  
      models = {}
  
      complete_apps = ['user_profile']
  
subject: Delete entries from the South migration history too