Prepare Python20 Course Experiments

app/controllers/concerns/submission_scoring.rb

@@ -86,6 +86,13 @@ module SubmissionScoring
         output.except!(:error_messages, :count, :failed, :filename, :message, :passed, :stderr, :stdout)
       end
     end
-    outputs
+
+    # Return all test results except for those of a linter if not allowed
+    show_linter = Python20CourseWeek.show_linter? submission.exercise, submission.user_id
+    outputs&.reject do |output|
+      next if show_linter
+
+      output[:file_role] == 'teacher_defined_linter'
+    end
   end
 end

app/controllers/exercises_controller.rb

@@ -309,6 +309,11 @@ class ExercisesController < ApplicationController
                else
                  current_user.id
                end
+
+    # Tips are collected and set with set_available_tips.
+    # Delete tips for those users who should not see them.
+    # Doing this here is beneficial because all other (admin) routes still work.
+    @tips = nil unless Python20CourseWeek.show_tips? @exercise, @user_id
   end
 
   def set_course_token