'A context manager for notifying the store of bulk operations.
If course_id is None, the default store is used.'

@contextmanager
def bulk_operations(self, course_id, emit_signals=True, ignore_case=False):

    store = self._get_modulestore_for_courselike(course_id)
    with store.bulk_operations(course_id, emit_signals, ignore_case):
        (yield)
