models: New model to store module setup versions

plinth/migrations/0002_modulestore.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.2 on 2016-02-10 12:30
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('plinth', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Module',
+            fields=[
+                ('name', models.TextField(primary_key=True, serialize=False)),
+                ('setup_version', models.IntegerField()),
+            ],
+        ),
+    ]

plinth/models.py

@@ -37,3 +37,9 @@ class KVStore(models.Model):
     def value(self, val):
         """Store the value of the key/value pair by JSON encoding it"""
         self.value_json = json.dumps(val)
+
+
+class Module(models.Model):
+    """Model to store current setup versions of a module."""
+    name = models.TextField(primary_key=True)
+    setup_version = models.IntegerField()