update migrations order

kfet/migrations/0054_delete_settings.py

@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+from kfet.forms import KFetConfigForm
+
+
+def adapt_settings(apps, schema_editor):
+    Settings = apps.get_model('kfet', 'Settings')
+    db_alias = schema_editor.connection.alias
+    obj = Settings.objects.using(db_alias)
+
+    cfg = {}
+
+    def try_get(new, old, type_field):
+        try:
+            value = getattr(obj.get(name=old), type_field)
+            cfg[new] = value
+        except Settings.DoesNotExist:
+            pass
+
+    try_get('kfet_subvention_cof', 'SUBVENTION_COF', 'value_decimal')
+    try_get('kfet_addcost_amount', 'ADDCOST_AMOUNT', 'value_decimal')
+    try_get('kfet_addcost_for', 'ADDCOST_FOR', 'value_account')
+    try_get('kfet_overdraft_duration', 'OVERDRAFT_DURATION', 'value_duration')
+    try_get('kfet_overdraft_amount', 'OVERDRAFT_AMOUNT', 'value_decimal')
+    try_get('kfet_cancel_duration', 'CANCEL_DURATION', 'value_duration')
+
+    cfg_form = KFetConfigForm(initial=cfg)
+    if cfg_form.is_valid():
+        cfg_form.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('kfet', '0053_created_at'),
+        ('djconfig', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RunPython(adapt_settings),
+        migrations.RemoveField(
+            model_name='settings',
+            name='value_account',
+        ),
+        migrations.DeleteModel(
+            name='Settings',
+        ),
+    ]