Add management command to setup groups

accounts/management/commands/setupgroups.py

+from django.core.management.base import BaseCommand, CommandError
+from trans.models import SubProject
+from optparse import make_option
+from django.contrib.auth.models import Group, Permission
+
+class Command(BaseCommand):
+    help = 'setups default groups'
+    option_list = BaseCommand.option_list + (
+        make_option('--move',
+            action='store_true',
+            dest='move',
+            default=False,
+            help='Move all users to Users group'),
+        )
+
+    def handle(self, *args, **options):
+        group, created = Group.objects.get_or_create(name = 'Users')
+        if created:
+            group.permissions.add(
+                Permission.objects.get(codename = 'upload_translation'),
+                Permission.objects.get(codename = 'overwrite_translation'),
+                Permission.objects.get(codename = 'save_translation'),
+                Permission.objects.get(codename = 'accept_suggestion'),
+                Permission.objects.get(codename = 'ignore_check'),
+            )
+        if options['move']:
+            for u in User.objects.all():
+                u.groups.add(group)