add markers to exams (move away from group based to content based permissions)

physics/views.py

@@ -58,7 +58,7 @@ from rest_framework.pagination import PageNumberPagination
 
 from django.core.exceptions import PermissionDenied
 
-from .forms import UserAnswerForm, ExamAuthorForm, ExamForm
+from .forms import ExamMarkerForm, UserAnswerForm, ExamAuthorForm, ExamForm
 from .decorators import (
     user_is_author_or_physics_checker,
     user_is_exam_author_or_physics_checker,
@@ -359,6 +359,13 @@ class ExamAuthorUpdate(
     form_class = ExamAuthorForm
     template_name = "author_form.html"
 
+class ExamMarkersUpdate(
+    RevisionMixin, CheckCanEditMixin, LoginRequiredMixin, AuthorRequiredMixin, UpdateView
+):
+    model = Exam
+    form_class = ExamMarkerForm
+
+    template_name = "markers_form.html"
 
 class QuestionView(
     LoginRequiredMixin, SingleTableMixin, FilterView, AuthorOrCheckerRequiredMixin