1 files changed, 42 insertions, 0 deletions

diff --git a/mailman/app/rules.py b/mailman/app/rules.py
new file mode 100644
index 000000000..5cf8881aa
--- /dev/null
+++ b/mailman/app/rules.py
@@ -0,0 +1,42 @@
+# 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.
+
+"""Various rule helpers"""
+
+__all__ = ['initialize']
+__metaclass__ = type
+
+
+from zope.interface import implements
+from zope.interface.verify import verifyObject
+
+from mailman.app.plugins import get_plugins
+from mailman.configuration import config
+from mailman.interfaces import IRule
+
+
+
+def initialize():
+    """Find and register all rules in all plugins."""
+    # Find rules in plugins.
+    for rule_finder in get_plugins('mailman.rules'):
+        for rule_class in rule_finder():
+            rule = rule_class()
+            verifyObject(IRule, rule)
+            assert rule.name not in config.rules, (
+                'Duplicate rule "%s" found in %s' % (rule.name, rule_finder))
+            config.rules[rule.name] = rule