Added example that renames a field in SynnefoUser model

db/fixtures/initial_data.json

@@ -6,7 +6,7 @@
             "name": "admin user",
             "created": "2011-02-06 00:00:00",
             "updated": "2011-02-06 00:00:00",
-            "credit": 1
+            "wallet": 1
         }
     }
 ] 

db/migrations/0003_rename_credit_wallet.py

+# encoding: utf-8
+import datetime
+from south.db import db
+from south.v2 import DataMigration
+from django.db import models
+
+class Migration(DataMigration):
+
+    def forwards(self, orm):
+        "Write your forwards methods here."
+        db.rename_column('db_synnefouser', 'credit', 'wallet')
+
+
+    def backwards(self, orm):
+        "Write your backwards methods here."
+
+
+    models = {
+        'db.debit': {
+            'Meta': {'object_name': 'Debit'},
+            'description': ('django.db.models.fields.TextField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.SynnefoUser']"}),
+            'vm': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.VirtualMachine']"}),
+            'when': ('django.db.models.fields.DateTimeField', [], {})
+        },
+        'db.disk': {
+            'Meta': {'object_name': 'Disk'},
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.SynnefoUser']", 'null': 'True', 'blank': 'True'}),
+            'size': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
+            'vm': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.VirtualMachine']", 'null': 'True', 'blank': 'True'})
+        },
+        'db.flavor': {
+            'Meta': {'unique_together': "(('cpu', 'ram', 'disk'),)", 'object_name': 'Flavor'},
+            'cpu': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'disk': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ram': ('django.db.models.fields.IntegerField', [], {'default': '0'})
+        },
+        'db.flavorcost': {
+            'Meta': {'object_name': 'FlavorCost'},
+            'cost_active': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'cost_inactive': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'effective_from': ('django.db.models.fields.DateTimeField', [], {}),
+            'flavor': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.Flavor']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
+        },
+        'db.image': {
+            'Meta': {'object_name': 'Image'},
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.SynnefoUser']", 'null': 'True', 'blank': 'True'}),
+            'sourcevm': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.VirtualMachine']", 'null': 'True'}),
+            'state': ('django.db.models.fields.CharField', [], {'max_length': '30'}),
+            'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'})
+        },
+        'db.imagemetadata': {
+            'Meta': {'object_name': 'ImageMetadata'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'image': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.Image']"}),
+            'meta_key': ('django.db.models.fields.CharField', [], {'max_length': '50'}),
+            'meta_value': ('django.db.models.fields.CharField', [], {'max_length': '500'})
+        },
+        'db.limit': {
+            'Meta': {'object_name': 'Limit'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '30'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.SynnefoUser']"}),
+            'value': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'db.synnefouser': {
+            'Meta': {'object_name': 'SynnefoUser'},
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'new_south_test_field': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
+            'wallet': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'db.virtualmachine': {
+            'Meta': {'object_name': 'VirtualMachine'},
+            'action': ('django.db.models.fields.CharField', [], {'max_length': '30', 'null': 'True'}),
+            'backendjobid': ('django.db.models.fields.PositiveIntegerField', [], {'null': 'True'}),
+            'backendjobstatus': ('django.db.models.fields.CharField', [], {'max_length': '30', 'null': 'True'}),
+            'backendlogmsg': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'backendopcode': ('django.db.models.fields.CharField', [], {'max_length': '30', 'null': 'True'}),
+            'charged': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime(2011, 4, 11, 13, 51, 31, 611812)'}),
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'deleted': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'blank': 'True'}),
+            'flavor': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.Flavor']"}),
+            'hostid': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ipfour': ('django.db.models.fields.IPAddressField', [], {'max_length': '15'}),
+            'ipsix': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'operstate': ('django.db.models.fields.CharField', [], {'max_length': '30', 'null': 'True'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.SynnefoUser']"}),
+            'sourceimage': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.Image']"}),
+            'suspended': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'blank': 'True'}),
+            'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'})
+        },
+        'db.virtualmachinegroup': {
+            'Meta': {'object_name': 'VirtualMachineGroup'},
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'machines': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['db.VirtualMachine']", 'symmetrical': 'False'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.SynnefoUser']"}),
+            'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'})
+        },
+        'db.virtualmachinemetadata': {
+            'Meta': {'object_name': 'VirtualMachineMetadata'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'meta_key': ('django.db.models.fields.CharField', [], {'max_length': '50'}),
+            'meta_value': ('django.db.models.fields.CharField', [], {'max_length': '500'}),
+            'vm': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['db.VirtualMachine']"})
+        }
+    }
+
+    complete_apps = ['db']

db/models.py

@@ -7,7 +7,7 @@ import datetime
 
 class SynnefoUser(models.Model):
     name = models.CharField('Synnefo Username', max_length=255)
-    credit = models.IntegerField('Credit Balance')
+    wallet = models.IntegerField('Credit Balance')
     created = models.DateTimeField('Time of creation', auto_now_add=True)
     updated = models.DateTimeField('Time of last update', auto_now=True)
     new_south_test_field = models.IntegerField(default=1)