mirror of
https://github.com/django/django.git
synced 2024-12-29 04:26:28 +00:00
33 lines
1.0 KiB
Python
33 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", help="Do nothing.")
|
|
|
|
def handle(self, *app_labels, **options):
|
|
app_labels = set(app_labels)
|
|
|
|
if options["empty"]:
|
|
self.stdout.write()
|
|
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.")
|