Simplifed code to add arugments.

manage_users.py

 #!/bin/env python
-from mailmanclient import Client
 import os
 import sys
 import argparse
@@ -8,52 +7,30 @@ try:
 except ImportError:
     import simplejson as json
 
-
-def dump(ml):
-    print json.dumps(dict(ml.settings), indent=2)
-
-
-def set_value(ml, setting, value):
-    ml.settings[setting] = value
-    ml.settings.save()
-
-
-def update_settings(ml, updated_settings):
-    print json.dumps(updated_settings, indent=2)
-    for setting in updated_settings.keys():
-        ml.settings[setting] = updated_settings[setting]
-    ml.save()
-
+ml.settings[setting] = value
 
 if __name__ == '__main__':
-    parser = argparse.ArgumentParser(description="Manipulate mailing list settings")
+    parser = argparse.ArgumentParser(description="Dump Mailing List based on alias.")
 
-    CORE_URI = os.environ.get('MAILMAN_CORE_URI',
-                              'http://mailman-core:8001/3.1')
+    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')
 
-    LIST_NAME= 'apachesvn@lists.med.stanford.edu'
-    #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')
+    LIST_NAME= 'apachesvn@lists.med.stanford.edu' # just a tesing default
 
-    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()
+    # user invoked variables
+    parser.add_argument('--dump', action='store_true', default=False)
+    parser.add_argument('--listname')
 
-    client = Client(args.core_uri, args.core_user, args.core_password)
+    # Add arguments for env variables
+    # 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)
 
-    #ml_fqdn = args.list_fqdn
+    args = parser.parse_args()
+
+    client = Client(CORE_URI, CORE_USER, CORE_PASS)
 
-    #ml = client.get_list(ml_fqdn)
     ml = client.get_list(LIST_NAME)
 
     if args.dump:
@@ -66,18 +43,16 @@ if __name__ == '__main__':
             members_hash['dump'] = member.rest_data
             #held_data[held.request_id] = held.rest_data
             #members_hash['preferences']= member.preferences
-
-        print json.dumps(members_hash, indent=2)      
-        #json.dumps(ml.members)
-    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()
+            print json.dumps(members_hash, indent=2)
+
+    # 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 != '-':