17 lines
491 B
Python
17 lines
491 B
Python
from argparse import ArgumentError
|
|
|
|
from django.core.management.base import BaseCommand, CommandError
|
|
|
|
|
|
class Command(BaseCommand):
|
|
def add_arguments(self, parser):
|
|
try:
|
|
parser.add_argument('--version', action='version', version='A.B.C')
|
|
except ArgumentError:
|
|
pass
|
|
else:
|
|
raise CommandError('--version argument does no yet exist')
|
|
|
|
def handle(self, *args, **options):
|
|
return 'Detected that --version already exists'
|