Rerandomize per_student/always/never tested and working

--HG--
branch : pmitros-rerandomize

courseware/capa/capa_problem.py

@@ -61,6 +61,9 @@ class LoncapaProblem(object):
         self.done = False
         self.filename = filename
 
+        if seed != None:
+            self.seed = seed
+
         if id:
             self.problem_id = id
         else:
@@ -78,13 +81,14 @@ class LoncapaProblem(object):
             if 'done' in state:
                 self.done = state['done']
 
-        if seed != None:
-            self.seed = seed
+#        print self.seed
 
         # TODO: Does this deplete the Linux entropy pool? Is this fast enough?
         if not self.seed:
             self.seed=struct.unpack('i', os.urandom(4))[0]
 
+#        print filename, self.seed, seed
+
         ## Parse XML file
         #log.debug(u"LoncapaProblem() opening file {0}".format(filename))
         file_text = open(filename).read()

courseware/modules/capa_module.py

@@ -181,7 +181,7 @@ class Module(XModule):
         self.filename=content_parser.item(dom2.xpath('/problem/@filename'))
         filename=settings.DATA_DIR+"/problems/"+self.filename+".xml"
         self.name=content_parser.item(dom2.xpath('/problem/@name'))
-        if self.rerandomize == 'Never':
+        if self.rerandomize == 'never':
             seed = 1
         else:
             seed = None