1 files changed, 55 insertions, 0 deletions
diff --git a/livesettings/overrides.py b/livesettings/overrides.py
new file mode 100644
index 00000000..5f88d5c5
--- /dev/null
+++ b/livesettings/overrides.py
@@ -0,0 +1,55 @@
+"""Allows livesettings to be "locked down" and no longer use the settings page or the database
+for settings retrieval.
+"""
+
+from django.conf import settings as djangosettings
+from django.contrib.sites.models import Site
+import logging
+
+__all__ = ['get_overrides']
+
+def _safe_get_siteid(site):
+    if not site:
+        try:
+            site = Site.objects.get_current()
+            siteid = site.id
+        except:
+            siteid = djangosettings.SITE_ID
+    else:
+        siteid = site.id
+    return siteid
+
+def get_overrides(siteid=-1):
+    """Check to see if livesettings is allowed to use the database.  If not, then
+    it will only use the values in the dictionary, LIVESETTINGS_OPTIONS[SITEID]['SETTINGS'],
+    this allows 'lockdown' of a live site.
+
+    The LIVESETTINGS dict must be formatted as follows::
+
+    LIVESETTINGS_OPTIONS = {
+            1 : {
+                    'DB' : [True/False],
+                    SETTINGS = {
+                        'GROUPKEY' : {'KEY', val, 'KEY2', val},
+                        'GROUPKEY2' : {'KEY', val, 'KEY2', val},
+                    }
+                }
+            }
+
+    In the settings dict above, the "val" entries must exactly match the format 
+    stored in the database for a setting.  Do not use a literal True or an integer,
+    it needs to be the string representation of them.
+
+    Returns a tuple (DB_ALLOWED, SETTINGS)
+    """
+    overrides = (True, {})
+    if hasattr(djangosettings, 'LIVESETTINGS_OPTIONS'):
+        if siteid == -1:
+            siteid = _safe_get_siteid(None)
+        
+        opts = djangosettings.LIVESETTINGS_OPTIONS
+        if opts.has_key(siteid):
+            opts = opts[siteid]
+            overrides = (opts.get('DB', True), opts['SETTINGS'])
+
+    return overrides