| from optparse import make_option |
| |
| from django.core.management.base import BaseCommand, CommandError |
| from django.db import connections, DEFAULT_DB_ALIAS |
| |
| class Command(BaseCommand): |
| help = ("Runs the command-line client for specified database, or the " |
| "default database if none is provided.") |
| |
| option_list = BaseCommand.option_list + ( |
| make_option('--database', action='store', dest='database', |
| default=DEFAULT_DB_ALIAS, help='Nominates a database onto which to ' |
| 'open a shell. Defaults to the "default" database.'), |
| ) |
| |
| requires_model_validation = False |
| |
| def handle(self, **options): |
| connection = connections[options.get('database', DEFAULT_DB_ALIAS)] |
| 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) |
