mirror of
https://github.com/django/django.git
synced 2024-11-20 00:14:08 +00:00
29 lines
1.0 KiB
Python
29 lines
1.0 KiB
Python
|
from django.core.management.base import BaseCommand, CommandError
|
||
|
|
|
||
|
|
|
||
|
|
class Command(BaseCommand):
|
||
|
|
help = "Useless command."
|
||
|
|
|
||
|
|
def add_arguments(self, parser):
|
||
|
|
parser.add_argument('args', metavar='app_label', nargs='*',
|
||
|
|
help='Specify the app label(s) to works on.')
|
||
|
|
parser.add_argument('--empty', action='store_true', dest='empty', default=False,
|
||
|
|
help="Do nothing.")
|
||
|
|
|
||
|
|
def handle(self, *app_labels, **options):
|
||
|
|
app_labels = set(app_labels)
|
||
|
|
|
||
|
|
if options['empty']:
|
||
|
|
self.stdout.write("Dave, I can't do that.")
|
||
|
|
return
|
||
|
|
|
||
|
|
if not app_labels:
|
||
|
|
raise CommandError("I'm sorry Dave, I'm afraid I can't do that.")
|
||
|
|
|
||
|
|
# raise an error if some --parameter is flowing from options to args
|
||
|
|
for app_label in app_labels:
|
||
|
|
if app_label.startswith('--'):
|
||
|
|
raise CommandError("Sorry, Dave, I can't let you do that.")
|
||
|
|
|
||
|
|
self.stdout.write("Dave, my mind is going. I can feel it. I can feel it.")
|