del unique migration

circle/storage/migrations/0006_auto__del_field_disk_format__add_field_disk_filename__del_unique_disk_.py

+# -*- coding: 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):
+        # Removing unique constraint on 'Disk', fields ['name']
+        db.delete_unique(u'storage_disk', ['name'])
+
+        # Deleting field 'Disk.format'
+        db.delete_column(u'storage_disk', 'format')
+
+        # Adding field 'Disk.filename'
+        db.add_column(u'storage_disk', 'filename',
+                      self.gf('django.db.models.fields.CharField')(default='NULL', unique=True, max_length=256),
+                      keep_default=False)
+
+        # Adding field 'DataStore.hostname'
+        db.add_column(u'storage_datastore', 'hostname',
+                      self.gf('django.db.models.fields.CharField')(default='localhost', unique=True, max_length=40),
+                      keep_default=False)
+
+
+    def backwards(self, orm):
+        # Adding field 'Disk.format'
+        db.add_column(u'storage_disk', 'format',
+                      self.gf('django.db.models.fields.CharField')(default='qcow2', max_length=10),
+                      keep_default=False)
+
+        # Deleting field 'Disk.filename'
+        db.delete_column(u'storage_disk', 'filename')
+
+        # Adding unique constraint on 'Disk', fields ['name']
+        db.create_unique(u'storage_disk', ['name'])
+
+        # Deleting field 'DataStore.hostname'
+        db.delete_column(u'storage_datastore', 'hostname')
+
+
+    models = {
+        u'storage.datastore': {
+            'Meta': {'ordering': "['name']", 'object_name': 'DataStore'},
+            'hostname': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '40'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'}),
+            'path': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '200'})
+        },
+        u'storage.disk': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Disk'},
+            'base': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'derivatives'", 'null': 'True', 'to': u"orm['storage.Disk']"}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'datastore': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['storage.DataStore']"}),
+            'dev_num': ('django.db.models.fields.CharField', [], {'default': "'a'", 'max_length': '1'}),
+            'filename': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '256'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'ready': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'size': ('django.db.models.fields.IntegerField', [], {}),
+            'type': ('django.db.models.fields.CharField', [], {'max_length': '10'})
+        }
+    }
+
+    complete_apps = ['storage']
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