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