12345678910111213141516171819202122232425262728293031 |
- from django.core.management.base import BaseCommand, CommandError
- from django.db import DEFAULT_DB_ALIAS, connections
-
-
- class Command(BaseCommand):
- help = (
- "Runs the command-line client for specified database, or the "
- "default database if none is provided."
- )
-
- requires_system_checks = False
-
- def add_arguments(self, parser):
- parser.add_argument(
- '--database', default=DEFAULT_DB_ALIAS,
- help='Nominates a database onto which to open a shell. Defaults to the "default" database.',
- )
-
- def handle(self, **options):
- connection = connections[options['database']]
- try:
- connection.client.runshell()
- except OSError:
- # Note that we're assuming OSError means that the client program
- # isn't installed. There's a possibility OSError would be raised
- # for some other reason, in which case this error message would be
- # inaccurate. Still, this message catches the common case.
- raise CommandError(
- 'You appear not to have the %r program installed or on your path.' %
- connection.client.executable_name
- )
|