add a `description` column to `download_sources` table (bug 615405, bug 668456)

apps/zadmin/models.py

@@ -306,6 +306,7 @@ class DownloadSource(models.Model):
     # e.g., `full` or `prefix`.
     type = models.CharField(max_length=255)
 
+    description = models.TextField()
     created = models.DateTimeField(auto_now_add=True)
 
     class Meta:

apps/zadmin/tests/test_models.py

@@ -7,7 +7,8 @@ from zadmin.models import DownloadSource
 class TestDownloadSource(TestCase):
 
     def test_add(self):
-        created = DownloadSource.objects.create(name='home', type='full')
+        created = DownloadSource.objects.create(name='home', type='full',
+            description='This is obviously for the homepage')
         d = DownloadSource.objects.filter(id=created.id)
         eq_(d.count(), 1)
         eq_(d[0].__unicode__(), 'home (full)')

migrations/436-download-sources-description.sql

@@ -0,0 +1 @@
+alter table download_sources add column description mediumtext;