Injecting call stack manager in CSM/CSMH,introducting @trackit,@wrapt, and…

Injecting call stack manager in CSM/CSMH,introducting @trackit,@wrapt, and refining implementation[PLAT-758]

lms/djangoapps/courseware/model_data.py

@@ -45,6 +45,8 @@ from xmodule.modulestore.django import modulestore
 from xblock.core import XBlockAside
 from courseware.user_state_client import DjangoXBlockUserStateClient
 
+from openedx.core.djangoapps.call_stack_manager import donottrack
+
 log = logging.getLogger(__name__)
 
 
@@ -990,6 +992,7 @@ class ScoresClient(object):
 
 
 # @contract(user_id=int, usage_key=UsageKey, score="number|None", max_score="number|None")
+@donottrack(StudentModule)
 def set_score(user_id, usage_key, score, max_score):
     """
     Set the score and max_score for the specified user and xblock usage.

lms/djangoapps/courseware/models.py

@@ -25,6 +25,7 @@ from model_utils.models import TimeStampedModel
 from student.models import user_by_anonymous_id
 from submissions.models import score_set, score_reset
 
+from openedx.core.djangoapps.call_stack_manager import CallStackManager, CallStackMixin
 from xmodule_django.models import CourseKeyField, LocationKeyField, BlockTypeKeyField  # pylint: disable=import-error
 log = logging.getLogger(__name__)
 
@@ -68,11 +69,18 @@ class ChunkingManager(models.Manager):
         return res
 
 
-class StudentModule(models.Model):
+class ChunkingCallStackManager(CallStackManager, ChunkingManager):
+    """
+    A derived class of ChunkingManager, and CallStackManager
+    """
+    pass
+
+
+class StudentModule(CallStackMixin, models.Model):
     """
     Keeps student state for a particular module in a particular course.
     """
-    objects = ChunkingManager()
+    objects = ChunkingCallStackManager()
     MODEL_TAGS = ['course_id', 'module_type']
 
     # For a homework problem, contains a JSON
@@ -145,10 +153,11 @@ class StudentModule(models.Model):
         return unicode(repr(self))
 
 
-class StudentModuleHistory(models.Model):
+class StudentModuleHistory(CallStackMixin, models.Model):
     """Keeps a complete history of state changes for a given XModule for a given
     Student. Right now, we restrict this to problems so that the table doesn't
     explode in size."""
+    objects = CallStackManager()
     HISTORY_SAVING_TYPES = {'problem'}
 
     class Meta(object):  # pylint: disable=missing-docstring

lms/djangoapps/courseware/user_state_client.py

@@ -18,6 +18,8 @@ from xblock.fields import Scope, ScopeBase
 from courseware.models import StudentModule, StudentModuleHistory
 from edx_user_state_client.interface import XBlockUserStateClient, XBlockUserState
 
+from openedx.core.djangoapps.call_stack_manager import donottrack
+
 
 class DjangoXBlockUserStateClient(XBlockUserStateClient):
     """
@@ -69,6 +71,7 @@ class DjangoXBlockUserStateClient(XBlockUserStateClient):
         """
         self.user = user
 
+    @donottrack(StudentModule, StudentModuleHistory)
     def _get_student_modules(self, username, block_keys):
         """
         Retrieve the :class:`~StudentModule`s for the supplied ``username`` and ``block_keys``.
@@ -116,6 +119,7 @@ class DjangoXBlockUserStateClient(XBlockUserStateClient):
             sample_rate=self.API_DATADOG_SAMPLE_RATE,
         )
 
+    @donottrack(StudentModule, StudentModuleHistory)
     def get_many(self, username, block_keys, scope=Scope.user_state, fields=None):
         """
         Retrieve the stored XBlock state for the specified XBlock usages.
@@ -165,6 +169,7 @@ class DjangoXBlockUserStateClient(XBlockUserStateClient):
         # Remove it once we're no longer interested in the data.
         self._ddog_histogram(evt_time, 'get_many.blks_out', block_count)
 
+    @donottrack(StudentModule, StudentModuleHistory)
     def set_many(self, username, block_keys_to_state, scope=Scope.user_state):
         """
         Set fields for a particular XBlock.
@@ -239,6 +244,7 @@ class DjangoXBlockUserStateClient(XBlockUserStateClient):
         # Event for the entire set_many call.
         self._ddog_histogram(evt_time, 'set_many.blks_updated', len(block_keys_to_state))
 
+    @donottrack(StudentModule, StudentModuleHistory)
     def delete_many(self, username, block_keys, scope=Scope.user_state, fields=None):
         """
         Delete the stored XBlock state for a many xblock usages.
@@ -275,6 +281,7 @@ class DjangoXBlockUserStateClient(XBlockUserStateClient):
             # We just read this object, so we know that we can do an update
             student_module.save(force_update=True)
 
+    @donottrack(StudentModule, StudentModuleHistory)
     def get_history(self, username, block_key, scope=Scope.user_state):
         """
         Retrieve history of state changes for a given block for a given
@@ -329,6 +336,7 @@ class DjangoXBlockUserStateClient(XBlockUserStateClient):
 
             yield XBlockUserState(username, block_key, state, history_entry.created, scope)
 
+    @donottrack(StudentModule, StudentModuleHistory)
     def iter_all_for_block(self, block_key, scope=Scope.user_state, batch_size=None):
         """
         You get no ordering guarantees. Fetching will happen in batch_size
@@ -339,6 +347,7 @@ class DjangoXBlockUserStateClient(XBlockUserStateClient):
             raise ValueError("Only Scope.user_state is supported")
         raise NotImplementedError()
 
+    @donottrack(StudentModule, StudentModuleHistory)
     def iter_all_for_course(self, course_key, block_type=None, scope=Scope.user_state, batch_size=None):
         """
         You get no ordering guarantees. Fetching will happen in batch_size

openedx/core/djangoapps/call_stack_manager/__init__.py

@@ -2,4 +2,4 @@
 Root Package for getting call stacks of various Model classes being used
 """
 from __future__ import absolute_import
-from .core import CallStackManager, CallStackMixin, donottrack
+from .core import CallStackManager, CallStackMixin, donottrack, trackit

requirements/edx/base.txt

@@ -86,6 +86,7 @@ django-ratelimit-backend==0.6
 unicodecsv==0.9.4
 django-require==1.0.6
 pyuca==1.1
+wrapt==1.10.5
 
 # This needs to be installed *after* Cython, which is in pre.txt
 lxml==3.4.4