Run migrations! Some first auto-migrations

Stepped back some more ambitious migrations since they caused all sorts
of issues with bytes/str conversions.

CHANGELOG.md

@@ -83,6 +83,10 @@ Web/Django standard initiative (@strikaco)
 
 - Added more unit tests.
 
+### Server
+
+- Convert ServerConf model to store its values as a Picklefield (same as Attributes) instead of using a custom solution.
+
 ### Utils
 
 - Swap argument order of `evennia.set_trace` to `set_trace(term_size=(140, 40), debugger='auto')`
@@ -95,6 +99,7 @@ Web/Django standard initiative (@strikaco)
   str to bytes.
 
 
+
 ## Evennia 0.8 (2018)
 
 ### Requirements

evennia/server/migrations/0002_auto_20190128_1820.py

@@ -1,36 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.16 on 2019-01-28 18:20
-
-import pickle
-from django.db import migrations, models
-import evennia.utils.picklefield
-from evennia.utils.utils import to_bytes, to_str
-
-def migrate_serverconf(apps, schema_editor):
-    """
-    Move server conf from a custom binary field into a PickleObjectField
-    """
-    ServerConfig = apps.get_model("server", "ServerConfig")
-    for conf in ServerConfig.objects.all():
-        value = pickle.loads(to_bytes(conf.db_value))
-        conf.db_value2 = to_str(value)
-        conf.save(update_fields=["db_value2"])
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('server', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='serverconfig',
-            name='db_value2',
-            field=evennia.utils.picklefield.PickledObjectField(help_text='The data returned when the config value is accessed. Must be written as a Python literal if editing through the admin interface. Attribute values which are not Python literals cannot be edited through the admin interface.', null=True, verbose_name='value'),
-        ),
-        # migrate data
-        migrations.RunPython(migrate_serverconf, migrations.RunPython.noop),
-
-
-    ]

evennia/server/migrations/0002_auto_20190128_2311.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.16 on 2019-01-28 23:11
+from __future__ import unicode_literals
+
+from django.db import migrations
+import evennia.utils.picklefield
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('server', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='serverconfig',
+            name='db_value',
+            field=evennia.utils.picklefield.PickledObjectField(help_text='The data returned when the config value is accessed. Must be written as a Python literal if editing through the admin interface. Attribute values which are not Python literals cannot be edited through the admin interface.', null=True, verbose_name='value'),
+        ),
+    ]

evennia/server/migrations/0003_remove_serverconfig_db_value.py

@@ -1,24 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.16 on 2019-01-28 18:43
-from __future__ import unicode_literals
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('server', '0002_auto_20190128_1820'),
-    ]
-
-    operations = [
-        migrations.RemoveField(
-            model_name='serverconfig',
-            name='db_value',
-        ),
-        migrations.RenameField(
-            model_name='serverconfig',
-            old_name='db_value2',
-            new_name='db_value',
-        ),
-    ]

evennia/utils/picklefield.py

@@ -25,7 +25,7 @@
 """
 Pickle field implementation for Django.
 
-Modified for Evennia by Griatch.
+Modified for Evennia by Griatch and the Evennia community.
 
 """
 from builtins import object