Merge pull request #61 from edx/jeskew/bug_fix_studentitemserializer

Print DRF errors upon invalid serialization.

MANIFEST.in

 include requirements.txt
 include test-requirements.txt
-include tox-requirements.txt
+include django-requirements.txt
 include LICENSE
 include AUTHORS
 include README.rst

README.rst

@@ -40,6 +40,18 @@ To run the test suite:
     tox # to run only a single environment, do e.g. tox -e django18
 
 
+To use a Django shell to test commands:
+
+.. code:: bash
+
+    pip install -r django-requirements.txt
+    pip install -r requirements.txt
+    pip install -r test-requirements.txt
+    ./manage.py migrate
+    ./manage.py shell --settings=settings
+    >>> from submissions.serializers import StudentItemSerializer
+    >>> <other commands...>
+
 License
 -------
 

django-requirements.txt

+Django>=1.8,<2.0

settings.py

@@ -8,10 +8,14 @@ TEMPLATE_DEBUG = DEBUG
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
-        'TEST_NAME': 'submissions_test_db',
+        'NAME': 'submissions_db',
+        'TEST': {
+            'NAME': 'submissions_test_db',
+        }
     },
     'read_replica': {
         'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': 'submissions_read_replica_db',
         'TEST': {
             'MIRROR': 'default',
         },

setup.py

@@ -46,6 +46,6 @@ setup(
         'Programming Language :: Python',
     ],
     packages=['submissions', 'submissions.migrations'],
-    install_requires=load_requirements('requirements.txt', 'tox-requirements.txt'),
+    install_requires=load_requirements('requirements.txt', 'django-requirements.txt'),
     tests_require=load_requirements('test-requirements.txt'),
 )

submissions/api.py

@@ -90,6 +90,14 @@ class SubmissionRequestError(SubmissionError):
             else {}
         )
 
+    def __repr__(self):
+        """
+        Show the field errors upon output.
+        """
+        return '{}(msg="{}", field_errors={})'.format(
+            self.__class__.__name__, self.message, self.field_errors
+        )
+
 
 def create_submission(student_item_dict, answer, submitted_at=None, attempt_number=None):
     """Creates a submission for assessment.

tox-requirements.txt

-Django<=1.11