From 2138e4cd70d9067b2bd46c9aceb5e765ae4847d4 Mon Sep 17 00:00:00 2001
From: Griatch <griatch@gmail.com>
Date: Sat, 18 Feb 2017 11:31:17 +0100
Subject: [PATCH] Run migrations! Update all Permissions and Locks to new
 Permission hierarchy.

---
 .../migrations/0008_lock_and_perm_rename.py   | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 evennia/typeclasses/migrations/0008_lock_and_perm_rename.py

diff --git a/evennia/typeclasses/migrations/0008_lock_and_perm_rename.py b/evennia/typeclasses/migrations/0008_lock_and_perm_rename.py
new file mode 100644
index 0000000000..048fc67a22
--- /dev/null
+++ b/evennia/typeclasses/migrations/0008_lock_and_perm_rename.py
@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.11 on 2017-01-25 22:30
+from __future__ import unicode_literals
+
+import re
+from django.db import migrations
+
+def update_perms_and_locks(apps, schema_editor):
+
+    # update all permissions
+    Tag = apps.get_model('typeclasses', 'Tag')
+    perm_map = {"guests": "guest", "players": "player", "playerhelpers":"helper",
+                "builders": "builder", "wizards":"admin", "immortals": "developer"}
+
+    for perm in Tag.objects.filter(db_tagtype="permission"):
+        if perm.db_key in perm_map:
+            perm.db_key = perm_map[perm.db_key]
+            perm.save(update_fields=("db_key",))
+
+    # update all locks on all entities
+    apps_models = [("objects", "ObjectDB"), ("players", "PlayerDB"), ("scripts", "ScriptDB"),
+                   ("comms", "ChannelDB")]
+    p_reg = re.compile(r"(?<=perm\()(\w+)(?=\))|(?<=perm_above\()(\w+)(?=\))",
+                        re.IGNORECASE + re.UNICODE)
+    def _sub(match):
+        perm = match.group(1)
+        return perm_map[perm.lower()].capitalize() if perm.lower() in perm_map else perm
+
+    for app_tuple in apps_models:
+        TClass = apps.get_model(*app_tuple)
+        for obj in TClass.objects.filter(db_lock_storage__icontains="perm"):
+            orig_lock = obj.db_lock_storage
+            repl_lock = p_reg.sub(_sub, orig_lock)
+            if repl_lock != orig_lock:
+                obj.db_lock_storage = repl_lock
+                obj.save(update_fields=('db_lock_storage',))
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('typeclasses', '0007_tag_migrations_may_be_slow'),
+    ]
+
+    operations = [
+
+        migrations.RunPython(update_perms_and_locks)
+    ]