Add modules and migrations.

world_regions/migrations/0001_initial.py

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import django_countries.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Region',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('name', models.CharField(max_length=25)),
+                ('code', models.CharField(max_length=3)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='RegionCountry',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('country', django_countries.fields.CountryField(unique=True, max_length=2)),
+                ('region', models.ForeignKey(related_name='countries', to='simple_regions.Region')),
+            ],
+        ),
+    ]

world_regions/models.py

@@ -0,0 +1,15 @@
+from django.db import models
+from django_countries.fields import CountryField
+
+
+class Region(models.Model):
+    name = models.CharField(max_length=25)
+    code = models.CharField(max_length=3)
+
+    def __unicode__(self):
+        return self.name
+
+
+class RegionCountry(models.Model):
+    country = CountryField(unique=True)
+    region = models.ForeignKey(Region, related_name="countries")

world_regions/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.