Added a data migration to upgrade the submission checker json details to a consistent format.

- Legacy-Id: 14269

ietf/submit/migrations/0022_submission_check_json_upgrade.py

@@ -0,0 +1,59 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.8 on 2017-10-27 06:34
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+# convert the SubmissionCheck.items to consistently be a dict, with the
+# following content:
+#    {
+#      'checker': <string>;
+#      'message': <string>;
+#      'items': <list>;     # error or warning items
+#      'draft': <draftname>;
+#      'modules': { <extracted module info> },
+#    }
+
+
+def forwards(apps, schema_editor):
+    SubmissionCheck = apps.get_model('submit', 'SubmissionCheck')
+    for check in SubmissionCheck.objects.all().order_by('id'):
+        # deal with these cases:
+        #   * empty dictionary
+        #   * empty list
+        #   * dictionary with idnits info
+        #   * list with yang errors and warnings
+        items = []
+        if   check.items == {} or check.items == '{}':
+            pass
+        elif check.items == []:
+            pass
+        elif type(check.items) == dict:
+            if 'checker' in check.items:
+                continue
+        elif type(check.items) == list:
+            items = check.items
+        else:
+            raise ValueError("Unexpected check.items value: %s: %s" % (type(check.items), check.items))
+        check.items = {
+            'checker':  check.checker,
+            'draft':    check.submission.name,
+            'rev':      check.submission.rev,
+            'items':    items,
+            'code':  {},
+        }
+        check.save()
+
+def backwards(apps, schema_editor):
+    pass
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('meeting', '0058_set_new_field_meeting_days_values'),
+        ('submit', '0021_submissioncheck_time_default'),
+    ]
+
+    operations = [
+        migrations.RunPython(forwards, backwards),
+    ]