Minor bug fix/conflict between grades and i4xsystem

djangoapps/courseware/grades.py

@@ -135,7 +135,11 @@ def get_score(user, problem, cache):
     if id in cache and response.max_grade != None:
         total = response.max_grade
     else:
-        total=float(courseware.modules.capa_module.Module(etree.tostring(problem), "id").max_score())
+        ## HACK 1: We shouldn't specifically reference capa_module
+        ## HACK 2: Backwards-compatibility: This should be written when a grade is saved, and removed from the system
+        from module_render import I4xSystem
+        system = I4xSystem(None, None, None)
+        total=float(courseware.modules.capa_module.Module(system, etree.tostring(problem), "id").max_score())
         response.max_grade = total
         response.save()
         

djangoapps/courseware/module_render.py

@@ -25,6 +25,7 @@ class I4xSystem(object):
     def __init__(self, ajax_url, track_function, render_function, filestore=None):
         self.ajax_url = ajax_url
         self.track_function = track_function
+        if not filestore: 
             self.filestore = OSFS(settings.DATA_DIR)
         self.render_function = render_function
         self.exception404 = Http404

djangoapps/courseware/modules/x_module.py

@@ -51,6 +51,9 @@ class XModule(object):
         self.item_id = item_id
         self.state = state
 
+        if system: 
+            ## These are temporary; we really should go 
+            ## through self.system. 
             self.ajax_url = system.ajax_url
             self.tracker = system.track_function
             self.filestore = system.filestore