3 files changed, 37 insertions, 0 deletions

diff --git a/src/mailman/config/config.py b/src/mailman/config/config.py
index c004d6e63..838795276 100644
--- a/src/mailman/config/config.py
+++ b/src/mailman/config/config.py
@@ -90,6 +90,7 @@ class Configuration:
         self.pipelines = {}
         self.commands = {}
         self.plugins = {}
+        self.workflows = {}
         self.password_context = None
         self.db = None
 
diff --git a/src/mailman/core/initialize.py b/src/mailman/core/initialize.py
index 5696cc3bb..b1efa6e64 100644
--- a/src/mailman/core/initialize.py
+++ b/src/mailman/core/initialize.py
@@ -174,6 +174,7 @@ def initialize_2(debug=False, propagate_logs=None, testing=False):
     config.db = getUtility(IDatabaseFactory, utility_name).create()
     # Initialize the rules and chains.  Do the imports here so as to avoid
     # circular imports.
+    from mailman.core.workflows import initialize as initialize_workflows
     from mailman.app.commands import initialize as initialize_commands
     from mailman.core.chains import initialize as initialize_chains
     from mailman.core.pipelines import initialize as initialize_pipelines
@@ -183,6 +184,7 @@ def initialize_2(debug=False, propagate_logs=None, testing=False):
     initialize_chains()
     initialize_pipelines()
     initialize_commands()
+    initialize_workflows()
 
 
 @public
diff --git a/src/mailman/core/workflows.py b/src/mailman/core/workflows.py
new file mode 100644
index 000000000..b16da7df9
--- /dev/null
+++ b/src/mailman/core/workflows.py
@@ -0,0 +1,34 @@
+# Copyright (C) 2007-2017 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/>.
+
+""""""
+
+from mailman.config import config
+from mailman.interfaces.workflows import IWorkflow
+from mailman.utilities.modules import find_components
+from public import public
+
+
+@public
+def initialize():
+    """Find and register all workflows in all plugins."""
+    for workflow in find_components('mailman.workflows', IWorkflow):
+        assert workflow.name not in config.workflows, (
+            'Duplicate key "{}" found in {}: "{}"'.format(
+                    workflow.name, config.workflows,
+                    config.workflows[workflow.name]))
+        config.workflows[workflow.name] = workflow