add manage_course_groups management command (was left out of earlier changeset)

lms/djangoapps/lms_migration/management/commands/manage_course_groups.py

+#!/usr/bin/python
+#
+# File:   manage_course_groups
+#
+# interactively list and edit membership in course staff and instructor groups
+
+import os, sys, string, re
+import datetime
+from getpass import getpass
+import json
+import readline
+
+from django.core.management.base import BaseCommand
+from django.conf import settings
+from django.contrib.auth.models import User, Group
+
+#-----------------------------------------------------------------------------
+# get all staff groups
+
+class Command(BaseCommand):
+    help = "Manage course group membership, interactively."
+
+    def handle(self, *args, **options):
+
+        gset = Group.objects.all()
+        
+        print "Groups:"
+        for cnt,g in zip(range(len(gset)), gset):
+            print "%d. %s" % (cnt,g)
+        
+        gnum = int(raw_input('Choose group to manage (enter #): '))
+        
+        group = gset[gnum]
+        
+        #-----------------------------------------------------------------------------
+        # users in group
+        
+        uall = User.objects.all()
+        print "----"
+        print "List of All Users: %s" % [str(x.username) for x in uall]
+        print "----"
+        
+        while True:
+        
+            print "Users in the group:"
+            
+            uset = group.user_set.all()
+            for cnt, u in zip(range(len(uset)), uset):
+                print "%d. %s" % (cnt, u)
+        
+            action = raw_input('Choose user to delete (enter #) or enter usernames (comma delim) to add: ')
+        
+            m = re.match('^[0-9]+$',action)
+            if m:
+                unum = int(action)
+                u = uset[unum]
+                print "Deleting user %s" % u
+                u.groups.remove(group)
+            
+            else:
+                for uname in action.split(','):
+                    try:
+                        user = User.objects.get(username=action)
+                    except Exception as err:
+                        print "Error %s" % err
+                        continue
+                    print "adding %s to group %s" % (user, group)
+                    user.groups.add(group)
+                
+            
+