update migrations

remove deprecation warnings

submissions/migrations/0001_initial.py

 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import models, migrations
+from django.db import migrations, models
 import jsonfield.fields
+import submissions.models
 import django.utils.timezone
 import django_extensions.db.fields
 
@@ -24,6 +25,16 @@ class Migration(migrations.Migration):
             ],
         ),
         migrations.CreateModel(
+            name='ScoreAnnotation',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('annotation_type', models.CharField(max_length=255, db_index=True)),
+                ('creator', submissions.models.AnonymizedUserIDField()),
+                ('reason', models.TextField()),
+                ('score', models.ForeignKey(to='submissions.Score')),
+            ],
+        ),
+        migrations.CreateModel(
             name='ScoreSummary',
             fields=[
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
@@ -38,7 +49,7 @@ class Migration(migrations.Migration):
             name='StudentItem',
             fields=[
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
-                ('student_id', models.CharField(max_length=255, db_index=True)),
+                ('student_id', submissions.models.AnonymizedUserIDField()),
                 ('course_id', models.CharField(max_length=255, db_index=True)),
                 ('item_id', models.CharField(max_length=255, db_index=True)),
                 ('item_type', models.CharField(max_length=100)),
@@ -66,7 +77,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='scoresummary',
             name='student_item',
-            field=models.ForeignKey(to='submissions.StudentItem', unique=True),
+            field=models.OneToOneField(to='submissions.StudentItem'),
         ),
         migrations.AddField(
             model_name='score',

submissions/models.py

@@ -6,7 +6,7 @@ different problem types, and is therefore ignorant of ORA workflow.
 NOTE: We've switched to migrations, so if you make any edits to this file, you
 need to then generate a matching migration for it using:
 
-    ./manage.py schemamigration submissions --auto
+    ./manage.py makemigrations submissions
 
 """
 import logging
@@ -21,6 +21,7 @@ from jsonfield import JSONField
 
 logger = logging.getLogger(__name__)
 
+
 # Signal to inform listeners that a score has been changed
 score_set = Signal(providing_args=[
     'points_possible', 'points_earned', 'anonymous_user_id',
@@ -232,7 +233,7 @@ class Score(models.Model):
 
 class ScoreSummary(models.Model):
     """Running store of the highest and most recent Scores for a StudentItem."""
-    student_item = models.ForeignKey(StudentItem, unique=True)
+    student_item = models.OneToOneField(StudentItem)
 
     highest = models.ForeignKey(Score, related_name="+")
     latest = models.ForeignKey(Score, related_name="+")