Added a data migration to fix up some incorrect external URLs for reviews.

- Legacy-Id: 17402

ietf/doc/migrations/0030_fix_bytes_mailarch_url.py

@@ -0,0 +1,37 @@
+# Copyright The IETF Trust 2020, All Rights Reserved
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.20 on 2019-05-21 14:27
+
+
+from __future__ import absolute_import, print_function, unicode_literals
+
+import re
+
+from django.conf import settings
+from django.db import migrations
+
+
+def forward(apps, schema_editor):
+
+    Document                     = apps.get_model('doc', 'Document')
+
+    print('')
+    for d in Document.objects.filter(external_url__contains="/b'"):
+        match = re.search("^(%s/arch/msg/[^/]+/)b'([^']+)'$" % settings.MAILING_LIST_ARCHIVE_URL, d.external_url)
+        if match:
+            d.external_url = "%s%s" % (match.group(1), match.group(2))
+            d.save()
+            print('Fixed url #%s: %s' % (d.id, d.external_url))
+
+def reverse(apps, schema_editor):
+    pass
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('doc', '0029_add_ipr_event_types'),
+    ]
+
+    operations = [
+        migrations.RunPython(forward, reverse),
+    ]