add mailman settings tool

manage_settings.py

+#!/bin/env python
+from mailmanclient import Client
+import os
+import sys
+import argparse
+try:
+    import json
+except ImportError:
+    import simplejson as json
+
+
+def dump(ml):
+    print json.dumps(dict(ml.settings))
+
+
+def set_value(ml, setting, value):
+    ml.settings[setting] = value
+    ml.settings.save()
+
+
+def update_settings(ml, updated_settings):
+    ml.settings.update(updated_settings)
+    ml.save()
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description="Sync member list")
+
+    CORE_URI = os.environ.get('MAILMAN_CORE_URI',
+                              'http://mailman-core:8001/3.1')
+    CORE_USER = os.environ.get('MAILMAN_REST_USER', 'restadmin')
+    CORE_PASS = os.environ.get('MAILMAN_REST_PASSWORD', 'restpass')
+
+    parser.add_argument('list_fqdn')
+    action_group = parser.add_mutually_exclusive_group()
+    action_group.add_argument('--dump', action='store_true', default=False)
+    action_group.add_argument('--set', help='set single setting in a form: <setting_name>=<setting_value>')
+    action_group.add_argument('--update', help='update settings with contents of the file provided')
+
+    parser.add_argument('--core-uri', dest='core_uri',
+                        default=CORE_URI)
+    parser.add_argument('--rest-user', dest='core_user',
+                        default=CORE_USER)
+    parser.add_argument('--rest-password', dest='core_password',
+                        default=CORE_PASS)
+    args = parser.parse_args()
+
+    client = Client(args.core_uri, args.core_user, args.core_password)
+
+    ml_fqdn = args.list_fqdn
+
+    ml = client.get_list(ml_fqdn)
+
+    if args.dump:
+        dump(ml)
+    elif args.set:
+        (setting, value) = args.set.split('=', 1)
+        set_value(ml, setting, value)
+    elif args.update:
+        if args.update == '-':
+            f = sys.stdin
+        else:
+            f = open(args.update, 'r')
+        updated_settings = json.loads(f.read())
+        update_settings(ml, updated_settings)
+        if args.update != '-':
+            f.close()