Cache toolbox disabled

courseware/models.py

@@ -14,12 +14,12 @@ ASSUMPTIONS: modules have unique IDs, even across different module_types
 """
 from django.db import models
 from django.db.models.signals import post_save, post_delete
-from django.core.cache import cache
+#from django.core.cache import cache
 from django.contrib.auth.models import User
 
-from cache_toolbox import cache_model, cache_relation
+#from cache_toolbox import cache_model, cache_relation
 
-CACHE_TIMEOUT = 60 * 60 * 4 # Set the cache timeout to be four hours
+#CACHE_TIMEOUT = 60 * 60 * 4 # Set the cache timeout to be four hours
 
 class StudentModule(models.Model):
     # For a homework problem, contains a JSON
@@ -58,35 +58,35 @@ class StudentModule(models.Model):
     def __unicode__(self):
         return self.module_type+'/'+self.student.username+"/"+self.module_id+'/'+str(self.state)[:20]
 
-    @classmethod
-    def get_with_caching(cls, student, module_id):
-        k = cls.key_for(student, module_id)
-        student_module = cache.get(k)
-        if student_module is None:
-            student_module = StudentModule.objects.filter(student=student,
-                                                          module_id=module_id)[0]
-            # It's possible it really doesn't exist...
-            if student_module is not None:
-                cache.set(k, student_module, CACHE_TIMEOUT)
+    # @classmethod
+    # def get_with_caching(cls, student, module_id):
+    #     k = cls.key_for(student, module_id)
+    #     student_module = cache.get(k)
+    #     if student_module is None:
+    #         student_module = StudentModule.objects.filter(student=student,
+    #                                                       module_id=module_id)[0]
+    #         # It's possible it really doesn't exist...
+    #         if student_module is not None:
+    #             cache.set(k, student_module, CACHE_TIMEOUT)
 
-        return student_module
+    #     return student_module
 
     @classmethod
     def key_for(cls, student, module_id):
         return "StudentModule-student_id:{0};module_id:{1}".format(student.id, module_id)
 
 
-def clear_cache_by_student_and_module_id(sender, instance, *args, **kwargs):
-    k = sender.key_for(instance.student, instance.module_id)
-    cache.delete(k)
+# def clear_cache_by_student_and_module_id(sender, instance, *args, **kwargs):
+#     k = sender.key_for(instance.student, instance.module_id)
+#     cache.delete(k)
 
-def update_cache_by_student_and_module_id(sender, instance, *args, **kwargs):
-    k = sender.key_for(instance.student, instance.module_id)
-    cache.set(k, instance, CACHE_TIMEOUT)
+# def update_cache_by_student_and_module_id(sender, instance, *args, **kwargs):
+#     k = sender.key_for(instance.student, instance.module_id)
+#     cache.set(k, instance, CACHE_TIMEOUT)
 
 
-post_save.connect(update_cache_by_student_and_module_id, sender=StudentModule, weak=False)
-post_delete.connect(clear_cache_by_student_and_module_id, sender=StudentModule, weak=False)
+#post_save.connect(update_cache_by_student_and_module_id, sender=StudentModule, weak=False)
+#post_delete.connect(clear_cache_by_student_and_module_id, sender=StudentModule, weak=False)
 
-cache_model(StudentModule)
+#cache_model(StudentModule)
 

student/models.py

@@ -13,7 +13,7 @@ import uuid
 from django.db import models
 from django.contrib.auth.models import User
 
-from cache_toolbox import cache_model, cache_relation
+#from cache_toolbox import cache_model, cache_relation
 
 class UserProfile(models.Model):
     class Meta: