Add a data researcher role for everyone who is currently staff or instructor.

common/djangoapps/student/migrations/0029_add_data_researcher.py

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.27 on 2020-01-27 19:02
+from __future__ import unicode_literals
+
+from django.db import migrations
+from student.models import CourseAccessRole
+
+
+def add_data_researcher(apps, schema_editor):
+    """
+    Add a `data_researcher` role for everyone who is currently `staff` or `instructor`.
+    """
+    for role in CourseAccessRole.objects.filter(role__in=('staff', 'instructor')):
+        new_role, created = CourseAccessRole.objects.get_or_create(
+            user=role.user,
+            org=role.org,
+            course_id=role.course_id,
+            role='data_researcher'
+        )
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('student', '0028_historicalmanualenrollmentaudit'),
+    ]
+
+    operations = [
+        migrations.RunPython(add_data_researcher, reverse_code=migrations.RunPython.noop),
+    ]