1 from optparse import make_option

     2 

     3 from django.core.management.base import AppCommand

     4 from django.db import connections, models, DEFAULT_DB_ALIAS

     5 

     6 class Command(AppCommand):

     7     help = 'Prints the SQL statements for resetting sequences for the given app name(s).'

     8 

     9     option_list = AppCommand.option_list + (

    10         make_option('--database', action='store', dest='database',

    11             default=DEFAULT_DB_ALIAS, help='Nominates a database to print the '

    12                 'SQL for.  Defaults to the "default" database.'),

    13 

    14     )

    15 

    16     output_transaction = True

    17 

    18     def handle_app(self, app, **options):

    19         connection = connections[options.get('database', DEFAULT_DB_ALIAS)]

    20         return u'\n'.join(connection.ops.sequence_reset_sql(self.style, models.get_models(app, include_auto_created=True))).encode('utf-8')