Bug fix. Had a few things as class variables instead of instance variables that were leaving profile in an inconsistent state.

courseware/capa_module.py

@@ -24,10 +24,6 @@ class LoncapaModule(XModule):
     xml_tags = ["problem"]
     id_attribute = "filename"
 
-    attempts = 0
-    max_attempts = None
-
-    due_date = None
 
     def get_state(self):
         state = self.lcp.get_state()
@@ -94,6 +90,11 @@ class LoncapaModule(XModule):
 
     def __init__(self, xml, item_id, ajax_url=None, track_url=None, state=None):
         XModule.__init__(self, xml, item_id, ajax_url, track_url, state)
+
+        self.attempts = 0
+        self.max_attempts = None
+        self.due_date = None
+
         dom=parseString(xml)
         node=dom.childNodes[0]
 

courseware/capa_problem.py

@@ -44,8 +44,19 @@ class LoncapaProblem():
             seed will provide the random seed. Alternatively, passing
             context will bypass all script execution, and use the 
             given execution context.  '''
+        self.done=False
+        self.text=""
+        self.context=dict()   # Execution context from loncapa/python
+        self.questions=dict() # Detailed info about questions in problem instance. TODO: Should be by id and not lid. 
+        self.answers=dict()   # Student answers
+        self.correct_map=dict()
+        self.seed=None
+        self.gid="" # ID of the problem
+        self.lid=-1 # ID of the field within the problem
+
+
         if state==None:
-            state={}
+            state=dict()
         self.gid=id
 
         if 'done' in state:
@@ -66,7 +77,7 @@ class LoncapaProblem():
             self.correct_map=state['correct_map']
         random.seed(self.seed)
         dom=parse(filename).childNodes[0]
-        
+
         g={'random':random,'numpy':numpy,'math':math,'scipy':scipy}
 
         # Buffer stores HTML for problem
@@ -77,7 +88,6 @@ class LoncapaProblem():
         # Loop through the nodes of the problem, and 
         for e in dom.childNodes:
             if e.localName=='script':
-                #print e.childNodes[0].data
                 exec e.childNodes[0].data in g,self.context
             elif e.localName=='endouttext':
                 ot=False
@@ -97,16 +107,6 @@ class LoncapaProblem():
         self.text=self.contextualize_text(self.text)
         self.filename=filename
 
-    done=False
-    text=""
-    context={}   # Execution context from loncapa/python
-    questions={} # Detailed info about questions in problem instance. TODO: Should be by id and not lid. 
-    answers={}   # Student answers
-    correct_map={}
-    seed=None
-    gid="" # ID of the problem
-    lid=-1 # ID of the field within the problem
-
     def get_context(self):
         ''' Return the execution context '''
         return self.context
@@ -131,14 +131,12 @@ class LoncapaProblem():
                correct_map[id]='incorrect' # Should always be there
            else:
                grader=self.graders[self.questions[key]['type']]
-               print grader
                correct_map[id]=grader(self, self.questions[key],
                                       self.answers[id])
         self.correct_map=correct_map
         return correct_map
 
     def handle_schem(self, element):
-        print element
         height = element.getAttribute('height')
         width = element.getAttribute('width')
         if height=="":
@@ -151,7 +149,6 @@ class LoncapaProblem():
         html='<input type="hidden" class="schematic" name="input_{id}" '+ \
             'height="{height}" width="{width}" value="{value}" id="input_{id}">'
         html = html.format(height=height, width=width, id=id, value="")
-        print html
 
         return html
     
@@ -196,7 +193,6 @@ class LoncapaProblem():
         return html
 
     def grade_fr(self, question, answer):
-        print question, answer
         correct = True
         for i in range(question['samples_count']):
             instructor_variables = strip_dict(dict(self.context))
@@ -207,7 +203,6 @@ class LoncapaProblem():
                 student_variables[str(var)] = value
             instructor_result = evaluator(instructor_variables,{},str(question['answer']))
             student_result = evaluator(student_variables,{},str(answer))
-            print student_result, instructor_result
             if math.isnan(student_result) or math.isinf(student_result):
                 return "incorrect"
             if abs( student_result - instructor_result ) > question['tolerance']:

courseware/module_render.py

@@ -70,7 +70,6 @@ def seq_module(request, module):
     params={'items':contents,
             'id':"seq"}
 
-    print module.nodeName
     if module.nodeName == 'sequential':
         return {'init_js':js+render_to_string('seq_module.js',params),
                 "destroy_js":"",
@@ -145,7 +144,6 @@ def modx_dispatch(request, module=None, dispatch=None, id=None):
 
     id_tag=modx_modules[module].id_attribute
     #print "X",s.xml, "Y",content_parser.module_xml(module, id_tag, id)
-    print
 
     xml = content_parser.module_xml(content_parser.course_file(request.user), module, id_tag, id)