WIP. Data loads, but not all of it

lms/djangoapps/courseware/courses.py

@@ -85,7 +85,7 @@ def course_image_url(course):
     """Try to look up the image url for the course.  If it's not found,
     log an error and return the dead link"""
     if isinstance(modulestore(), XMLModuleStore):
-        path = course.metadata['data_dir'] + "/images/course_image.jpg"
+        path = course.data_dir + "/images/course_image.jpg"
         return try_staticfiles_lookup(path)
     else:
         loc = course.location._replace(tag='c4x', category='asset', name='images_course_image.jpg')
@@ -162,7 +162,9 @@ def get_course_about_section(course, section_key):
                 key=section_key, url=course.location.url()))
             return None
     elif section_key == "title":
-        return course.metadata.get('display_name', course.url_name)
+        if course.display_name is None:
+            return course.url_name
+        return course.display_name
     elif section_key == "university":
         return course.location.org
     elif section_key == "number":
@@ -220,7 +222,7 @@ def get_course_syllabus_section(course, section_key):
             filepath = find_file(fs, dirs, section_key + ".html")
             with fs.open(filepath) as htmlFile:
                 return replace_urls(htmlFile.read().decode('utf-8'),
-                                    course.metadata['data_dir'], course_namespace=course.location)
+                                    course.data_dir, course_namespace=course.location)
         except ResourceNotFoundError:
             log.exception("Missing syllabus section {key} in course {url}".format(
                 key=section_key, url=course.location.url()))

lms/djangoapps/courseware/module_render.py

@@ -245,7 +245,7 @@ def _get_module(user, request, location, student_module_cache, course_id, positi
                    make_psychometrics_data_update_handler(instance_module))
 
     try:
-        module = descriptor.xmodule_constructor(system)(instance_state, shared_state)
+        module = descriptor.xmodule(system)
     except:
         log.exception("Error creating module from descriptor {0}".format(descriptor))
 
@@ -259,7 +259,7 @@ def _get_module(user, request, location, student_module_cache, course_id, positi
                                                               error_msg=exc_info_to_str(sys.exc_info()))
 
         # Make an error module
-        return err_descriptor.xmodule_constructor(system)(None, None)
+        return err_descriptor.xmodule(system)
 
     _get_html = module.get_html