Upgrade djangorestframework to v3.1

openassessment/assessment/serializers/base.py

@@ -7,6 +7,7 @@ import logging
 
 from django.core.cache import cache
 from rest_framework import serializers
+from rest_framework.fields import IntegerField, DateTimeField
 from openassessment.assessment.models import (
     Assessment, AssessmentPart, Criterion, CriterionOption, Rubric,
 )
@@ -22,75 +23,41 @@ class InvalidRubric(Exception):
         self.errors = deepcopy(errors)
 
 
-class NestedModelSerializer(serializers.ModelSerializer):
-    """Model Serializer that supports deserialization with arbitrary nesting.
-
-    The Django REST Framework does not currently support deserialization more
-    than one level deep (so a parent and children). We want to be able to
-    create a :class:`Rubric` → :class:`Criterion` → :class:`CriterionOption`
-    hierarchy.
-
-    Much of the base logic already "just works" and serialization of arbritrary
-    depth is supported. So we just override the save_object method to
-    recursively link foreign key relations instead of doing it one level deep.
-
-    We don't touch many-to-many relationships because we don't need to for our
-    purposes, so those still only work one level deep.
-    """
-    def recursively_link_related(self, obj, **kwargs):
-        if getattr(obj, '_related_data', None):
-            for accessor_name, related in obj._related_data.items():
-                setattr(obj, accessor_name, related)
-                for related_obj in related:
-                    self.recursively_link_related(related_obj, **kwargs)
-            del(obj._related_data)
-
-    def save_object(self, obj, **kwargs):
-        obj.save(**kwargs)
-
-        # The code for many-to-many relationships is just copy-pasted from the
-        # Django REST Framework ModelSerializer
-        if getattr(obj, '_m2m_data', None):
-            for accessor_name, object_list in obj._m2m_data.items():
-                setattr(obj, accessor_name, object_list)
-            del(obj._m2m_data)
-
-        # This is our only real change from ModelSerializer
-        self.recursively_link_related(obj, **kwargs)
+class CriterionOptionSerializer(serializers.ModelSerializer):
+    """Serializer for :class:`CriterionOption`"""
 
+    # Django Rest Framework v3 no longer requires `PositiveIntegerField`s
+    # to be positive by default, so we need to explicitly set the `min_value`
+    # on the serializer field.
+    points = IntegerField(min_value=0)
 
-class CriterionOptionSerializer(NestedModelSerializer):
-    """Serializer for :class:`CriterionOption`"""
     class Meta:
         model = CriterionOption
         fields = ('order_num', 'points', 'name', 'label', 'explanation')
 
 
-class CriterionSerializer(NestedModelSerializer):
+class CriterionSerializer(serializers.ModelSerializer):
     """Serializer for :class:`Criterion`"""
     options = CriterionOptionSerializer(required=True, many=True)
-    points_possible = serializers.Field(source='points_possible')
 
     class Meta:
         model = Criterion
         fields = ('order_num', 'name', 'label', 'prompt', 'options', 'points_possible')
 
 
-class RubricSerializer(NestedModelSerializer):
+class RubricSerializer(serializers.ModelSerializer):
     """Serializer for :class:`Rubric`."""
     criteria = CriterionSerializer(required=True, many=True)
-    points_possible = serializers.Field(source='points_possible')
 
     class Meta:
         model = Rubric
         fields = ('id', 'content_hash', 'structure_hash', 'criteria', 'points_possible')
 
-    def validate_criteria(self, attrs, source):
+    def validate_criteria(self, value):
         """Make sure we have at least one Criterion in the Rubric."""
-        criteria = attrs[source]
-        if not criteria:
+        if not value:
             raise serializers.ValidationError("Must have at least one criterion")
-        return attrs
+        return value
 
     @classmethod
     def serialized_from_cache(cls, rubric, local_cache=None):
@@ -135,6 +102,33 @@ class RubricSerializer(NestedModelSerializer):
 
         return rubric_dict
 
+    def create(self, validated_data):
+        """
+        Create the rubric model, including its nested models.
+
+        Args:
+            validated_data (dict): Dictionary of validated data for the rubric,
+                including nested Criterion and CriterionOption data.
+
+        Returns:
+            Rubric
+        """
+        criteria_data = validated_data.pop("criteria")
+        rubric = Rubric.objects.create(**validated_data)
+
+        # Create each nested criterion in the rubric, linking it to the rubric
+        for criterion_dict in criteria_data:
+            options_data = criterion_dict.pop("options")
+            criterion = Criterion.objects.create(rubric=rubric, **criterion_dict)
+
+            # Create each option in the criterion, linking it to the criterion
+            CriterionOption.objects.bulk_create(
+                CriterionOption(criterion=criterion, **option_dict)
+                for option_dict in options_data
+            )
+
+        return rubric
+
 
 class AssessmentPartSerializer(serializers.ModelSerializer):
     """Serializer for :class:`AssessmentPart`."""
@@ -147,6 +141,13 @@ class AssessmentPartSerializer(serializers.ModelSerializer):
 class AssessmentSerializer(serializers.ModelSerializer):
     """Simplified serializer for :class:`Assessment` that's lighter on the DB."""
 
+    # Django Rest Framework v3 uses the Django setting `DATETIME_FORMAT`
+    # when serializing datetimes.  This differs from v2, which always
+    # returned a datetime.  To preserve the old behavior, we explicitly
+    # set `format` to None.
+    # http://www.django-rest-framework.org/api-guide/fields/#datetimefield
+    scored_at = DateTimeField(format=None, required=False)
+
     class Meta:
         model = Assessment
         fields = (

openassessment/assessment/test/test_peer.py

@@ -152,13 +152,14 @@ STEP_REQUIREMENTS = {
     }
 }
 
+
 @ddt
 class TestPeerApi(CacheResetTest):
     """
     Tests for the peer assessment API functions.
     """
 
-    CREATE_ASSESSMENT_NUM_QUERIES = 58
+    CREATE_ASSESSMENT_NUM_QUERIES = 53
 
     def test_create_assessment_points(self):
         self._create_student_and_submission("Tim", "Tim's answer")

openassessment/assessment/test/test_training.py

@@ -32,8 +32,8 @@ class TrainingExampleSerializerTest(CacheResetTest):
         },
         {
             "order_num": 2,
-            "name": "єχ¢єℓℓєηт",
-            "explanation": "乇ﾒc乇ﾚﾚ乇刀ｲ ﾌo乃!",
+            "name": u"єχ¢єℓℓєηт",
+            "explanation": u"乇ﾒc乇ﾚﾚ乇刀ｲ ﾌo乃!",
             "points": 2,
         },
     ]
@@ -89,7 +89,6 @@ class TrainingExampleSerializerTest(CacheResetTest):
         },
     ]
 
-
     def test_duplicate_training_example(self):
         # Deserialize some examples for a rubric
         deserialize_training_examples(self.EXAMPLES[0:2], self.RUBRIC)

openassessment/tests/data/db_fixtures/feedback_on_assessment.json

@@ -780,7 +780,7 @@
       "uuid": "387d840a-d0ae-11e3-bb0e-14109fd8dc43",
       "student_item": 2,
       "created_at": "2014-04-30T21:27:24.181Z",
-      "raw_answer": "{\"text\": \"E\\u00e3 \\u00e9um quis d\\u00ed\\u00e7o \\u00e9l\\u00e2b\\u00f3r\\u00e3ret. N\\u00e1m in \\u00e7\\u00f4mmune p\\u00f3nder\\u00fam apeirian, te \\u00e2lii m\\u00e1zim \\u00ednt\\u00e9ll\\u00eagat nec, ex \\u00e9leif\\u00e9nd el\\u00f3quenti\\u00e2m usu. His no n\\u00f3vum lu\\u00e7ilius, \\u00e0utem \\u00e3\\u00e9que vix \\u00e0d.\"}",
+      "answer": "{\"text\": \"E\\u00e3 \\u00e9um quis d\\u00ed\\u00e7o \\u00e9l\\u00e2b\\u00f3r\\u00e3ret. N\\u00e1m in \\u00e7\\u00f4mmune p\\u00f3nder\\u00fam apeirian, te \\u00e2lii m\\u00e1zim \\u00ednt\\u00e9ll\\u00eagat nec, ex \\u00e9leif\\u00e9nd el\\u00f3quenti\\u00e2m usu. His no n\\u00f3vum lu\\u00e7ilius, \\u00e0utem \\u00e3\\u00e9que vix \\u00e0d.\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:27:24.173Z"
     }
@@ -792,7 +792,7 @@
       "uuid": "1783758f-d0ae-11e3-b495-14109fd8dc43",
       "student_item": 1,
       "created_at": "2014-04-30T21:26:28.855Z",
-      "raw_answer": "{\"text\": \"L\\u00f5r\\u00eam \\u00edpsum d\\u00f4lor sit amet, in d\\u00fao p\\u00f5pul\\u00f3 m\\u00e0nd\\u00e1mus, alienum cons\\u00e9q\\u00faat pers\\u00e9cuti mel \\u00e0n. R\\u00eabum de\\u00e7or\\u00ea \\u00e9\\u00fam an, s\\u00e0ep\\u00e9 p\\u00f5pulo splendid\\u00e9 te p\\u00e9r.\"}",
+      "answer": "{\"text\": \"L\\u00f5r\\u00eam \\u00edpsum d\\u00f4lor sit amet, in d\\u00fao p\\u00f5pul\\u00f3 m\\u00e0nd\\u00e1mus, alienum cons\\u00e9q\\u00faat pers\\u00e9cuti mel \\u00e0n. R\\u00eabum de\\u00e7or\\u00ea \\u00e9\\u00fam an, s\\u00e0ep\\u00e9 p\\u00f5pulo splendid\\u00e9 te p\\u00e9r.\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:26:28.847Z"
     }
@@ -839,4 +839,4 @@
       "latest": 2
     }
   }
-]
\ No newline at end of file
+]

openassessment/tests/data/db_fixtures/feedback_only_criterion.json

@@ -821,7 +821,7 @@
       "uuid": "28cebeca-d0ab-11e3-a6ab-14109fd8dc43",
       "student_item": 2,
       "created_at": "2014-04-30T21:05:29.380Z",
-      "raw_answer": "{\"text\": \"Etiam vel neque id nunc lacinia tincidunt.\"}",
+      "answer": "{\"text\": \"Etiam vel neque id nunc lacinia tincidunt.\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:05:29.372Z"
     }
@@ -833,9 +833,9 @@
       "uuid": "cf5190b8-d0aa-11e3-a734-14109fd8dc43",
       "student_item": 1,
       "created_at": "2014-04-30T21:02:59.241Z",
-      "raw_answer": "{\"text\": \"Lorem ipsum dolor sit amet\"}",
+      "answer": "{\"text\": \"Lorem ipsum dolor sit amet\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:02:59.234Z"
     }
   }
-]
\ No newline at end of file
+]

openassessment/tests/data/db_fixtures/peer_assessed.json

@@ -800,7 +800,7 @@
       "uuid": "28cebeca-d0ab-11e3-a6ab-14109fd8dc43",
       "student_item": 2,
       "created_at": "2014-04-30T21:05:29.380Z",
-      "raw_answer": "{\"text\": \"Etiam vel neque id nunc lacinia tincidunt.\"}",
+      "answer": "{\"text\": \"Etiam vel neque id nunc lacinia tincidunt.\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:05:29.372Z"
     }
@@ -812,9 +812,9 @@
       "uuid": "cf5190b8-d0aa-11e3-a734-14109fd8dc43",
       "student_item": 1,
       "created_at": "2014-04-30T21:02:59.241Z",
-      "raw_answer": "{\"text\": \"Lorem ipsum dolor sit amet\"}",
+      "answer": "{\"text\": \"Lorem ipsum dolor sit amet\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:02:59.234Z"
     }
   }
-]
\ No newline at end of file
+]

openassessment/tests/data/db_fixtures/scored.json

@@ -938,7 +938,7 @@
       "uuid": "28cebeca-d0ab-11e3-a6ab-14109fd8dc43",
       "student_item": 2,
       "created_at": "2014-04-30T21:05:29.380Z",
-      "raw_answer": "{\"text\": \"Etiam vel neque id nunc lacinia tincidunt.\"}",
+      "answer": "{\"text\": \"Etiam vel neque id nunc lacinia tincidunt.\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:05:29.372Z"
     }
@@ -950,7 +950,7 @@
       "uuid": "cf5190b8-d0aa-11e3-a734-14109fd8dc43",
       "student_item": 1,
       "created_at": "2014-04-30T21:02:59.241Z",
-      "raw_answer": "{\"text\": \"Lorem ipsum dolor sit amet\"}",
+      "answer": "{\"text\": \"Lorem ipsum dolor sit amet\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:02:59.234Z"
     }
@@ -997,4 +997,4 @@
       "latest": 2
     }
   }
-]
\ No newline at end of file
+]

openassessment/tests/data/db_fixtures/self_assessed.json

@@ -842,7 +842,7 @@
       "uuid": "28cebeca-d0ab-11e3-a6ab-14109fd8dc43",
       "student_item": 2,
       "created_at": "2014-04-30T21:05:29.380Z",
-      "raw_answer": "{\"text\": \"Etiam vel neque id nunc lacinia tincidunt.\"}",
+      "answer": "{\"text\": \"Etiam vel neque id nunc lacinia tincidunt.\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:05:29.372Z"
     }
@@ -854,7 +854,7 @@
       "uuid": "cf5190b8-d0aa-11e3-a734-14109fd8dc43",
       "student_item": 1,
       "created_at": "2014-04-30T21:02:59.241Z",
-      "raw_answer": "{\"text\": \"Lorem ipsum dolor sit amet\"}",
+      "answer": "{\"text\": \"Lorem ipsum dolor sit amet\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:02:59.234Z"
     }

openassessment/tests/data/db_fixtures/submitted.json

@@ -477,9 +477,9 @@
       "uuid": "cf5190b8-d0aa-11e3-a734-14109fd8dc43",
       "student_item": 1,
       "created_at": "2014-04-30T21:02:59.241Z",
-      "raw_answer": "{\"text\": \"Lorem ipsum dolor sit amet\"}",
+      "answer": "{\"text\": \"Lorem ipsum dolor sit amet\"}",
       "attempt_number": 1,
       "submitted_at": "2014-04-30T21:02:59.234Z"
     }
   }
-]
\ No newline at end of file
+]

openassessment/tests/data/db_fixtures/unicode.json

@@ -463,7 +463,7 @@
       "uuid": "99765973-d1f9-11e3-841a-14109fd8dc43",
       "student_item": 2,
       "created_at": "2014-05-02T12:59:30.290Z",
-      "raw_answer": "{\"text\": \"\\u0547\\ufec9\\u0e23\\u0547 \\u0e23\\u0547\\u027c\\u0671\\u0e01\\ufeed\"}",
+      "answer": "{\"text\": \"\\u0547\\ufec9\\u0e23\\u0547 \\u0e23\\u0547\\u027c\\u0671\\u0e01\\ufeed\"}",
       "attempt_number": 1,
       "submitted_at": "2014-05-02T12:59:30.283Z"
     }
@@ -475,7 +475,7 @@
       "uuid": "8c52cfdc-d1f9-11e3-953c-14109fd8dc43",
       "student_item": 1,
       "created_at": "2014-05-02T12:59:08.243Z",
-      "raw_answer": "{\"text\": \"\\u0442\\u0454\\u0455\\u0442 \\u0455\\u0442\\u044f\\u03b9\\u03b7\\ufeed\"}",
+      "answer": "{\"text\": \"\\u0442\\u0454\\u0455\\u0442 \\u0455\\u0442\\u044f\\u03b9\\u03b7\\ufeed\"}",
       "attempt_number": 1,
       "submitted_at": "2014-05-02T12:59:08.234Z"
     }

openassessment/workflow/serializers.py

 """
 Serializers are created to ensure models do not have to be accessed outside the
-scope of the Tim APIs.
+scope of the ORA2 APIs.
 """
 from rest_framework import serializers
 from openassessment.workflow.models import AssessmentWorkflow, AssessmentWorkflowCancellation
 
 
 class AssessmentWorkflowSerializer(serializers.ModelSerializer):
-    score = serializers.Field(source='score')
+    score = serializers.ReadOnlyField(required=False)
 
     class Meta:
         model = AssessmentWorkflow
@@ -22,20 +22,6 @@ class AssessmentWorkflowSerializer(serializers.ModelSerializer):
             'score'
         )
 
-# Not implemented yet:
-#
-# class AssessmentWorkflowHistorySerializer(serializers.ModelSerializer):
-#     class Meta:
-#         model = AssessmentWorkflowHistory
-#         fields = (
-#             'workflow',
-#             'app',
-#             'event_type',
-#             'event_data',
-#             'description',
-#             'created_at'
-#         )
-
 
 class AssessmentWorkflowCancellationSerializer(serializers.ModelSerializer):
     """

openassessment/xblock/data_conversion.py

@@ -182,7 +182,7 @@ def prepare_submission_for_serialization(submission_data):
 def create_submission_dict(submission, prompts):
     """
     1. Convert from legacy format.
-    3. Add prompts to submission['answer']['parts'] to simplify iteration in the template.
+    2. Add prompts to submission['answer']['parts'] to simplify iteration in the template.
 
     Args:
         submission (dict): Submission dictionary.
@@ -191,7 +191,7 @@ def create_submission_dict(submission, prompts):
     Returns:
         dict
     """
-    parts = [{ 'prompt': prompt, 'text': ''} for prompt in prompts]
+    parts = [{'prompt': prompt, 'text': ''} for prompt in prompts]
 
     if 'text' in submission['answer']:
         parts[0]['text'] = submission['answer'].pop('text')

openassessment/xblock/test/test_validation.py

@@ -86,7 +86,11 @@ class RubricValidationTest(TestCase):
         is_released = data.get('is_released', False)
         is_example_based = data.get('is_example_based', False)
         success, msg = validate_rubric(
-            data['rubric'], current_rubric,is_released, is_example_based, STUB_I18N
+            data['rubric'],
+            current_rubric,
+            is_released,
+            is_example_based,
+            STUB_I18N
         )
         self.assertTrue(success)
         self.assertEqual(msg, u'')

requirements/base.txt

@@ -6,7 +6,7 @@
 git+https://github.com/edx/XBlock.git@9c634481dfc85a17dcb3351ca232d7098a38e10e#egg=XBlock
 
 # edx-submissions
-git+https://github.com/edx/edx-submissions.git@9538ee8a971d04dc1cb05e88f6aa0c36b224455c#egg=edx-submissions
+git+https://github.com/edx/edx-submissions.git@14aeaa9e30f9a408b34ffaf6d78409dedaad015a#egg=edx-submissions==0.1.0
 
 # Third Party Requirements
 boto>=2.32.1,<3.0.0
@@ -16,8 +16,9 @@ django>=1.4,<1.5
 django-celery==3.1.16
 django-extensions==1.5.5
 django-model-utils==2.3.1
-djangorestframework<2.4
+djangorestframework>=3.1,<3.2
 dogapi==1.2.1
+jsonfield==1.0.3
 lazy==1.1
 loremipsum==1.0.5
 python-dateutil==2.1