1 from optparse import make_option

     2 

     3 from django.core.management.base import NoArgsCommand

     4 from django.core.management.sql import sql_flush

     5 from django.db import connections, DEFAULT_DB_ALIAS

     6 

     7 class Command(NoArgsCommand):

     8     help = "Returns a list of the SQL statements required to return all tables in the database to the state they were in just after they were installed."

     9 

    10     option_list = NoArgsCommand.option_list + (

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

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

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

    14     )

    15 

    16     output_transaction = True

    17 

    18     def handle_noargs(self, **options):

    19         return u'\n'.join(sql_flush(self.style, connections[options.get('database', DEFAULT_DB_ALIAS)], only_django=True)).encode('utf-8')