new_contents: """Management command to grant or revoke superuser access for one or more users"""
  
  from optparse import make_option
  from django.contrib.auth.models import User
  from django.core.management.base import BaseCommand, CommandError
  
  
  class Command(BaseCommand):
      """Management command to grant or revoke superuser access for one or more users"""
      option_list = BaseCommand.option_list + (
          make_option('--unset',
                      action='store_true',
                      dest='unset',
                      default=False,
                      help='Set is_superuser to False instead of True'),
      )
  
      args = '<user|email> [user|email ...]>'
      help = """
      This command will set is_superuser to true for one or more users.
      Lookup by username or email address, assumes usernames
      do not look like email addresses.
      """
  
      def handle(self, *args, **options):
          if len(args) < 1:
              raise CommandError('Usage is set_superuser {0}'.format(self.args))
  
          for user in args:
              try:
                  if '@' in user:
                      userobj = User.objects.get(email=user)
                  else:
                      userobj = User.objects.get(username=user)
  
                  if options['unset']:
                      userobj.is_superuser = False
                  else:
                      userobj.is_superuser = True
  
                  userobj.save()
  
              except Exception as err:  # pylint: disable=broad-except
                  print "Error modifying user with identifier {}: {}: {}".format(user, type(err).__name__, err.message)
  
          print 'Success!'
  
subject: Add management command for granting superuser access