fix lms migration to be compatible with xblock

lms/djangoapps/lms_migration/migrate.py

@@ -39,12 +39,14 @@ def getip(request):
 
 
 def get_commit_id(course):
-    return course.metadata.get('GIT_COMMIT_ID', 'No commit id')
+    #return course.metadata.get('GIT_COMMIT_ID', 'No commit id')
+    return getattr(course, 'GIT_COMMIT_ID', 'No commit id')
     # getattr(def_ms.courses[reload_dir], 'GIT_COMMIT_ID','No commit id')
 
 
 def set_commit_id(course, commit_id):
-    course.metadata['GIT_COMMIT_ID'] = commit_id
+    #course.metadata['GIT_COMMIT_ID'] = commit_id
+    setattr(course, 'GIT_COMMIT_ID', commit_id)
     # setattr(def_ms.courses[reload_dir], 'GIT_COMMIT_ID', new_commit_id)
 
 
@@ -124,7 +126,8 @@ def manage_modulestores(request, reload_dir=None, commit_id=None):
 
     #----------------------------------------
 
-    dumpfields = ['definition', 'location', 'metadata']
+    #dumpfields = ['definition', 'location', 'metadata']
+    dumpfields = ['location', 'metadata']
 
     for cdir, course in def_ms.courses.items():
         html += '<hr width="100%"/>'
@@ -133,7 +136,7 @@ def manage_modulestores(request, reload_dir=None, commit_id=None):
         html += '<p>commit_id=%s</p>' % get_commit_id(course)
 
         for field in dumpfields:
-            data = getattr(course, field)
+            data = getattr(course, field, None)
             html += '<h3>%s</h3>' % field
             if type(data) == dict:
                 html += '<ul>'