Provide default settings for dependency injection

openassessment/assessment/worker/algorithm.py

@@ -14,6 +14,12 @@ import base64
 from django.conf import settings
 
 
+DEFAULT_AI_ALGORITHMS = {
+    'fake': 'openassessment.assessment.worker.algorithm.FakeAIAlgorithm',
+    'ease': 'openassessment.assessment.worker.algorithm.EaseAIAlgorithm'
+}
+
+
 class AIAlgorithmError(Exception):
     """
     An error occurred when using an AI algorithm.
@@ -128,7 +134,7 @@ class AIAlgorithm(object):
              UnknownAlgorithm
 
         """
-        algorithms = getattr(settings, "ORA2_AI_ALGORITHMS", dict())
+        algorithms = getattr(settings, "ORA2_AI_ALGORITHMS", DEFAULT_AI_ALGORITHMS)
         cls_path = algorithms.get(algorithm_id)
 
         if cls_path is None:

settings/base.py

@@ -149,21 +149,6 @@ CACHES = {
 
 BASE_DIR = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
 
-# Configuration for the workflow API
-# We use dependency injection to tell the workflow API
-# which assessments to use and where to find the corresponding
-# assessment API Python modules.
-ORA2_ASSESSMENTS = {
-    'peer': 'openassessment.assessment.api.peer',
-    'self': 'openassessment.assessment.api.self',
-    'training': 'openassessment.assessment.api.student_training',
-    'ai': 'openassessment.assessment.api.ai',
-}
-
-# If peer-assessment provides a score, use that;
-# otherwise fall back to self-assessment.
-ORA2_ASSESSMENT_SCORE_PRIORITY = ['peer', 'self', 'ai']
-
 # Celery configuration
 # Note: Version 3.1 of Celery includes Django support, but since we're using
 # version 3.0 (same as edx-platform), we need to use an external library.

settings/dev.py

@@ -101,12 +101,6 @@ LOGGING = {
 # Store uploaded files in a dev-specific directory
 MEDIA_ROOT = os.path.join(BASE_DIR, 'storage/dev')
 
-# AI algorithm configuration
-ORA2_AI_ALGORITHMS = {
-    'fake': 'openassessment.assessment.worker.algorithm.FakeAIAlgorithm',
-    'ease': 'openassessment.assessment.worker.algorithm.EaseAIAlgorithm'
-}
-
 # Celery Broker
 CELERY_BROKER_TRANSPORT = "amqp"
 CELERY_BROKER_HOSTNAME = "localhost:5672//"