1 files changed, 55 insertions, 0 deletions
diff --git a/webapp/django/db/backends/dummy/base.py b/webapp/django/db/backends/dummy/base.py
new file mode 100644
index 0000000000..530ea9c519
--- /dev/null
+++ b/webapp/django/db/backends/dummy/base.py
@@ -0,0 +1,55 @@
+"""
+Dummy database backend for Django.
+
+Django uses this if the DATABASE_ENGINE setting is empty (None or empty string).
+
+Each of these API functions, except connection.close(), raises
+ImproperlyConfigured.
+"""
+
+from django.core.exceptions import ImproperlyConfigured
+from django.db.backends import *
+from django.db.backends.creation import BaseDatabaseCreation
+
+def complain(*args, **kwargs):
+    raise ImproperlyConfigured, "You haven't set the DATABASE_ENGINE setting yet."
+
+def ignore(*args, **kwargs):
+    pass
+
+class DatabaseError(Exception):
+    pass
+
+class IntegrityError(DatabaseError):
+    pass
+
+class DatabaseOperations(BaseDatabaseOperations):
+    quote_name = complain
+
+class DatabaseClient(BaseDatabaseClient):
+    runshell = complain
+    
+class DatabaseIntrospection(BaseDatabaseIntrospection):
+    get_table_list = complain
+    get_table_description = complain
+    get_relations = complain
+    get_indexes = complain
+    
+class DatabaseWrapper(object):    
+    operators = {}
+    cursor = complain
+    _commit = complain
+    _rollback = ignore
+
+    def __init__(self, *args, **kwargs):
+        super(DatabaseWrapper, self).__init__(*args, **kwargs)
+
+        self.features = BaseDatabaseFeatures()
+        self.ops = DatabaseOperations()
+        self.client = DatabaseClient()
+        self.creation = BaseDatabaseCreation(self)
+        self.introspection = DatabaseIntrospection(self)
+        self.validation = BaseDatabaseValidation()
+
+    def close(self):
+        pass