xblock-activate-aws: Allow to activate XBlocks using AWS configuration

cms/envs/aws.py

@@ -229,6 +229,11 @@ BROKER_URL = "{0}://{1}:{2}@{3}/{4}".format(CELERY_BROKER_TRANSPORT,
                                             CELERY_BROKER_HOSTNAME,
                                             CELERY_BROKER_VHOST)
 
+# XBlocks
+if ENV_TOKENS.get('XBLOCK_SELECT_FUNCTION') == 'prefer_xmodules':
+    from xmodule.x_module import prefer_xmodules
+    XBLOCK_SELECT_FUNCTION = prefer_xmodules
+
 # Event tracking
 TRACKING_BACKENDS.update(AUTH_TOKENS.get("TRACKING_BACKENDS", {}))
 

lms/envs/aws.py

@@ -375,6 +375,11 @@ PASSWORD_DICTIONARY = ENV_TOKENS.get("PASSWORD_DICTIONARY", [])
 ### INACTIVITY SETTINGS ####
 SESSION_INACTIVITY_TIMEOUT_IN_SECONDS = AUTH_TOKENS.get("SESSION_INACTIVITY_TIMEOUT_IN_SECONDS")
 
+### XBLOCKS ###
+if ENV_TOKENS.get('XBLOCK_SELECT_FUNCTION') == 'prefer_xmodules':
+    from xmodule.x_module import prefer_xmodules
+    XBLOCK_SELECT_FUNCTION = prefer_xmodules
+
 ##### LMS DEADLINE DISPLAY TIME_ZONE #######
 TIME_ZONE_DISPLAYED_FOR_DEADLINES = ENV_TOKENS.get("TIME_ZONE_DISPLAYED_FOR_DEADLINES",
                                                    TIME_ZONE_DISPLAYED_FOR_DEADLINES)