Every path except for 'get_score' gets filename instead of file object

common/lib/capa/capa/capa_problem.py

@@ -31,7 +31,7 @@ import calc
 from correctmap import CorrectMap
 import eia
 import inputtypes
-from util import contextualize_text
+from util import contextualize_text, convert_files_to_filenames
 
 # to be replaced with auto-registering
 import responsetypes
@@ -228,7 +228,8 @@ class LoncapaProblem(object):
 
         Calls the Response for each question in this problem, to do the actual grading.
         '''
-        self.student_answers = answers
+        
+        self.student_answers = convert_files_to_filenames(answers)
         oldcmap = self.correct_map				# old CorrectMap
         newcmap = CorrectMap()					# start new with empty CorrectMap
         # log.debug('Responders: %s' % self.responders)

common/lib/capa/capa/responsetypes.py

@@ -161,7 +161,7 @@ class LoncapaResponse(object):
         Returns the new CorrectMap, with (correctness,msg,hint,hintmode) for each answer_id.
         '''
         new_cmap = self.get_score(student_answers)
-        self.get_hints(student_answers, new_cmap, old_cmap)
+        self.get_hints(convert_files_to_filenames(student_answers), new_cmap, old_cmap)
         # log.debug('new_cmap = %s' % new_cmap)
         return new_cmap