1 files changed, 57 insertions, 0 deletions
diff --git a/mailman/database/types.py b/mailman/database/types.py
new file mode 100644
index 000000000..acb586849
--- /dev/null
+++ b/mailman/database/types.py
@@ -0,0 +1,57 @@
+# Copyright (C) 2007-2008 by the Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+
+__all__ = [
+    'Enum',
+    ]
+
+
+import sys
+
+from storm.properties import SimpleProperty
+from storm.variables import UnicodeVariable, Variable
+
+
+
+class _EnumVariable(Variable):
+    """Storm variable."""
+
+    def parse_set(self, value, from_db):
+        if value is None:
+            return None
+        if not from_db:
+            return value
+        path, intvalue = value.rsplit(':', 1)
+        modulename, classname = path.rsplit('.', 1)
+        __import__(modulename)
+        cls = getattr(sys.modules[modulename], classname)
+        return cls[int(intvalue)]
+
+    def parse_get(self, value, to_db):
+        if value is None:
+            return None
+        if not to_db:
+            return value
+        return '%s.%s:%d' % (value.enumclass.__module__,
+                             value.enumclass.__name__,
+                             int(value))
+
+
+class Enum(SimpleProperty):
+    """Custom munepy.Enum type for Storm."""
+
+    variable_class = _EnumVariable