1 files changed, 41 insertions, 0 deletions

diff --git a/src/mailman/core/plugins.py b/src/mailman/core/plugins.py
new file mode 100644
index 000000000..e891f380d
--- /dev/null
+++ b/src/mailman/core/plugins.py
@@ -0,0 +1,41 @@
+# Copyright (C) 2008-2017 by the Free Software Foundation, Inc.
+#
+# This file is part of GNU Mailman.
+#
+# GNU Mailman 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 3 of the License, or (at your option)
+# any later version.
+#
+# GNU Mailman 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
+# GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Various plugin helpers."""
+
+from lazr.config import as_boolean
+from mailman.config import config
+from mailman.interfaces.plugin import IPlugin
+from mailman.utilities.modules import find_name
+from public import public
+from zope.interface.verify import verifyObject
+
+
+@public
+def initialize():
+    """Initialize all enabled plugins."""
+    for name, plugin_config in config.plugin_configs:
+        plugin_class_path = plugin_config['class']
+        if as_boolean(plugin_config.enable) and plugin_class_path:
+            plugin_class = find_name(plugin_class_path)
+            plugin = plugin_class()
+            verifyObject(IPlugin, plugin)
+            plugin.name = name
+            assert plugin.name not in config.plugins, (
+                'Duplicate plugin "{}" found in {}'.format(
+                    plugin.name, plugin_class))
+            config.plugins[plugin.name] = plugin