Fix tests, fix xqueue error, minor polish

cms/templates/widgets/open-ended-edit.html

@@ -83,7 +83,7 @@
                 <div class="col">
                     <pre><code>
                         [tasks]
-                        (Self), ({0-1}AI), ({1-3}Peer)
+                        (Self), ({2-5}AI), ({4-5}Peer)
                         [tasks]
                     </code></pre>
                 </div>

common/lib/xmodule/xmodule/js/src/combinedopenended/edit.coffee

 class @OpenEndedMarkdownEditingDescriptor extends XModule.Descriptor
   # TODO really, these templates should come from or also feed the cheatsheet
   @rubricTemplate : "[rubric]\n+ Color Identification\n- Incorrect\n- Correct\n + Grammar\n- Poor\n- Acceptable\n- Superb \n[rubric]\n"
-  @tasksTemplate: "[tasks]\n(Self), ({0-1}AI), ({1-3}Peer)\n[tasks]\n"
+  @tasksTemplate: "[tasks]\n(Self), ({2-5}AI), ({4-5}Peer)\n[tasks]\n"
   @promptTemplate: "[prompt]\nWhy is the sky blue?\n[prompt]\n"
 
   constructor: (element) ->

common/lib/xmodule/xmodule/open_ended_grading_classes/open_ended_module.py

@@ -168,7 +168,10 @@ class OpenEndedModule(openendedchild.OpenEndedChild):
             #This is a student_facing_error
             return {'success': False, 'msg': "There was an error saving your feedback.  Please contact course staff."}
 
-        qinterface = system.xqueue['interface']
+        xqueue = system.get('xqueue')
+        if xqueue is None:
+            return {'success': False, 'msg': "Couldn't submit feedback."}
+        qinterface = xqueue['interface']
         qtime = datetime.strftime(datetime.now(), xqueue_interface.dateformat)
         anonymous_student_id = system.anonymous_student_id
         queuekey = xqueue_interface.make_hashkey(str(system.seed) + qtime +
@@ -176,7 +179,7 @@ class OpenEndedModule(openendedchild.OpenEndedChild):
                                                  str(len(self.child_history)))
 
         xheader = xqueue_interface.make_xheader(
-            lms_callback_url=system.xqueue['construct_callback'](),
+            lms_callback_url=xqueue['construct_callback'](),
             lms_key=queuekey,
             queue_name=self.message_queue_name
         )
@@ -219,7 +222,10 @@ class OpenEndedModule(openendedchild.OpenEndedChild):
         # Prepare xqueue request
         #------------------------------------------------------------
 
-        qinterface = system.xqueue['interface']
+        xqueue = system.get('xqueue')
+        if xqueue is None:
+            return False
+        qinterface = xqueue['interface']
         qtime = datetime.strftime(datetime.now(), xqueue_interface.dateformat)
 
         anonymous_student_id = system.anonymous_student_id
@@ -230,7 +236,7 @@ class OpenEndedModule(openendedchild.OpenEndedChild):
                                                  str(len(self.child_history)))
 
         xheader = xqueue_interface.make_xheader(
-            lms_callback_url=system.xqueue['construct_callback'](),
+            lms_callback_url=xqueue['construct_callback'](),
             lms_key=queuekey,
             queue_name=self.queue_name
         )

lms/djangoapps/courseware/module_render.py

@@ -218,8 +218,8 @@ def get_module_for_descriptor(user, request, descriptor, model_data_cache, cours
     #this first checks to see if the descriptor is the correct one, and only sends settings if it is
 
     #Get descriptor metadata fields indicating needs for various settings
-    needs_open_ended_interface = descriptor.needs_open_ended_interface
-    needs_s3_interface =  descriptor.needs_s3_interface
+    needs_open_ended_interface = hasattr(descriptor, "needs_open_ended_interface") and descriptor.needs_open_ended_interface
+    needs_s3_interface =  hasattr(descriptor, "needs_s3_interface") and descriptor.needs_s3_interface
 
     #Initialize interfaces to None
     open_ended_grading_interface = None