mirror of https://github.com/django/django.git
29 lines
1.0 KiB
Python
29 lines
1.0 KiB
Python
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from django.core.management.base import BaseCommand, CommandError
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class Command(BaseCommand):
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help = "Useless command."
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def add_arguments(self, parser):
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parser.add_argument('args', metavar='app_label', nargs='*',
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help='Specify the app label(s) to works on.')
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parser.add_argument('--empty', action='store_true', dest='empty', default=False,
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help="Do nothing.")
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def handle(self, *app_labels, **options):
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app_labels = set(app_labels)
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if options['empty']:
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self.stdout.write("Dave, I can't do that.")
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return
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if not app_labels:
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raise CommandError("I'm sorry Dave, I'm afraid I can't do that.")
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# raise an error if some --parameter is flowing from options to args
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for app_label in app_labels:
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if app_label.startswith('--'):
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raise CommandError("Sorry, Dave, I can't let you do that.")
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self.stdout.write("Dave, my mind is going. I can feel it. I can feel it.")
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