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from __future__ import unicode_literals
from django.core.management.base import AppCommand
from django.db import DEFAULT_DB_ALIAS, connections
class Command(AppCommand):
help = 'Prints the SQL statements for resetting sequences for the given app name(s).'
output_transaction = True
def add_arguments(self, parser):
super(Command, self).add_arguments(parser)
parser.add_argument('--database', default=DEFAULT_DB_ALIAS,
help='Nominates a database to print the SQL for. Defaults to the '
'"default" database.')
def handle_app_config(self, app_config, **options):
if app_config.models_module is None:
return
connection = connections[options.get('database')]
models = app_config.get_models(include_auto_created=True)
statements = connection.ops.sequence_reset_sql(self.style, models)
return '\n'.join(statements)
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