Add bulk_operations wrapper around all course-query-intensive Studio views.

cms/djangoapps/contentstore/views/component.py

@@ -141,6 +141,7 @@ def container_handler(request, usage_key_string):
     if 'text/html' in request.META.get('HTTP_ACCEPT', 'text/html'):
 
         usage_key = UsageKey.from_string(usage_key_string)
+        with modulestore().bulk_operations(usage_key.course_key):
             try:
                 course, xblock, lms_link = _get_item_in_course(request, usage_key)
             except ItemNotFoundError:

cms/djangoapps/contentstore/views/course.py

@@ -212,7 +212,9 @@ def course_handler(request, course_key_string=None):
         response_format = request.REQUEST.get('format', 'html')
         if response_format == 'json' or 'application/json' in request.META.get('HTTP_ACCEPT', 'application/json'):
             if request.method == 'GET':
-                course_module = _get_course_module(CourseKey.from_string(course_key_string), request.user, depth=None)
+                course_key = CourseKey.from_string(course_key_string)
+                with modulestore().bulk_operations(course_key):
+                    course_module = _get_course_module(course_key, request.user, depth=None)
                     return JsonResponse(_course_outline_json(request, course_module))
             elif request.method == 'POST':  # not sure if this is only post. If one will have ids, it goes after access
                 return _create_or_rerun_course(request)
@@ -248,6 +250,7 @@ def course_rerun_handler(request, course_key_string):
     if not GlobalStaff().has_user(request.user):
         raise PermissionDenied()
     course_key = CourseKey.from_string(course_key_string)
+    with modulestore().bulk_operations(course_key):
         course_module = _get_course_module(course_key, request.user, depth=3)
         if request.method == 'GET':
             return render_to_response('course-create-rerun.html', {
@@ -644,9 +647,9 @@ def course_info_handler(request, course_key_string):
         html: return html for editing the course info handouts and updates.
     """
     course_key = CourseKey.from_string(course_key_string)
+    with modulestore().bulk_operations(course_key):
         course_module = _get_course_module(course_key, request.user)
         if 'text/html' in request.META.get('HTTP_ACCEPT', 'text/html'):
-
             return render_to_response(
                 'course_info.html',
                 {
@@ -727,6 +730,7 @@ def settings_handler(request, course_key_string):
         json: update the Course and About xblocks through the CourseDetails model
     """
     course_key = CourseKey.from_string(course_key_string)
+    with modulestore().bulk_operations(course_key):
         course_module = _get_course_module(course_key, request.user)
         if 'text/html' in request.META.get('HTTP_ACCEPT', '') and request.method == 'GET':
             upload_asset_url = reverse_course_url('assets_handler', course_key)
@@ -781,6 +785,7 @@ def grading_handler(request, course_key_string, grader_index=None):
         json w/ grader_index: create or update the specific grader (create if index out of range)
     """
     course_key = CourseKey.from_string(course_key_string)
+    with modulestore().bulk_operations(course_key):
         course_module = _get_course_module(course_key, request.user)
 
         if 'text/html' in request.META.get('HTTP_ACCEPT', '') and request.method == 'GET':
@@ -892,6 +897,7 @@ def advanced_settings_handler(request, course_key_string):
             metadata dicts.
     """
     course_key = CourseKey.from_string(course_key_string)
+    with modulestore().bulk_operations(course_key):
         course_module = _get_course_module(course_key, request.user)
         if 'text/html' in request.META.get('HTTP_ACCEPT', '') and request.method == 'GET':
 
@@ -1004,8 +1010,9 @@ def textbooks_list_handler(request, course_key_string):
         json: overwrite all textbooks in the course with the given list
     """
     course_key = CourseKey.from_string(course_key_string)
-    course = _get_course_module(course_key, request.user)
     store = modulestore()
+    with store.bulk_operations(course_key):
+        course = _get_course_module(course_key, request.user)
 
         if not "application/json" in request.META.get('HTTP_ACCEPT', 'text/html'):
             # return HTML page
@@ -1079,8 +1086,9 @@ def textbooks_detail_handler(request, course_key_string, textbook_id):
         json: remove textbook
     """
     course_key = CourseKey.from_string(course_key_string)
-    course_module = _get_course_module(course_key, request.user)
     store = modulestore()
+    with store.bulk_operations(course_key):
+        course_module = _get_course_module(course_key, request.user)
         matching_id = [tb for tb in course_module.pdf_textbooks
                        if unicode(tb.get("id")) == unicode(textbook_id)]
         if matching_id:
@@ -1314,8 +1322,9 @@ def group_configurations_list_handler(request, course_key_string):
         json: create new group configuration
     """
     course_key = CourseKey.from_string(course_key_string)
-    course = _get_course_module(course_key, request.user)
     store = modulestore()
+    with store.bulk_operations(course_key):
+        course = _get_course_module(course_key, request.user)
 
         if 'text/html' in request.META.get('HTTP_ACCEPT', 'text/html'):
             group_configuration_url = reverse_course_url('group_configurations_list_handler', course_key)
@@ -1364,8 +1373,9 @@ def group_configurations_detail_handler(request, course_key_string, group_config
         json: update group configuration based on provided information
     """
     course_key = CourseKey.from_string(course_key_string)
-    course = _get_course_module(course_key, request.user)
     store = modulestore()
+    with store.bulk_operations(course_key):
+        course = _get_course_module(course_key, request.user)
         matching_id = [p for p in course.user_partitions
                        if unicode(p.id) == unicode(group_configuration_id)]
         if matching_id:

cms/djangoapps/contentstore/views/item.py

@@ -461,6 +461,7 @@ def _create_item(request):
         raise PermissionDenied()
 
     store = modulestore()
+    with store.bulk_operations(usage_key.course_key):
         parent = store.get_item(usage_key)
         dest_usage_key = usage_key.replace(category=category, name=uuid4().hex)
 
@@ -516,6 +517,7 @@ def _duplicate_item(parent_usage_key, duplicate_source_usage_key, user, display_
     Duplicate an existing xblock as a child of the supplied parent_usage_key.
     """
     store = modulestore()
+    with store.bulk_operations(duplicate_source_usage_key.course_key):
         source_item = store.get_item(duplicate_source_usage_key)
         # Change the blockID to be unique.
         dest_usage_key = source_item.location.replace(name=uuid4().hex)
@@ -571,6 +573,7 @@ def _delete_item(usage_key, user):
     """
     store = modulestore()
 
+    with store.bulk_operations(usage_key.course_key):
         # VS[compat] cdodge: This is a hack because static_tabs also have references from the course module, so
         # if we add one then we need to also add it to the policy information (i.e. metadata)
         # we should remove this once we can break this reference from the course to static tabs
@@ -618,6 +621,7 @@ def _get_xblock(usage_key, user):
     in the CREATE_IF_NOT_FOUND list, an xblock will be created and saved automatically.
     """
     store = modulestore()
+    with store.bulk_operations(usage_key.course_key):
         try:
             return store.get_item(usage_key, depth=None)
         except ItemNotFoundError:
@@ -636,6 +640,7 @@ def _get_module_info(xblock, rewrite_static_links=True):
     metadata, data, id representation of a leaf module fetcher.
     :param usage_key: A UsageKey
     """
+    with modulestore().bulk_operations(xblock.location.course_key):
         data = getattr(xblock, 'data', '')
         if rewrite_static_links:
             data = replace_static_urls(