Adapt media to ISBN

media/migrations/0016_media_isbn.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.4 on 2019-08-11 07:17
+
+from django.db import migrations
+import media.fields
+import media.validators
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('media', '0015_media_publish_date'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='media',
+            name='isbn',
+            field=media.fields.ISBNField(blank=True, max_length=28, null=True, validators=[media.validators.isbn_validator], verbose_name='ISBN'),
+        ),
+    ]