How to make a Django custom management command argument not required?
One of the recipes from the documentation suggests:
For positional arguments with nargs equal to
?or*, thedefaultvalue is used when no command-line argument was present.
So following should do the trick (it will return value if provided or default value otherwise):
parser.add_argument('delay', type=int, nargs='?', default=21)Usage:
$ ./manage.py mycommand21$ ./manage.py mycommand 44
You can use the dash syntax for optional keyword arguments:
class Command(BaseCommand): def add_arguments(self, parser): parser.add_argument("-d", "--delay", type=int) def handle(self, *args, **options): delay = options["delay"] if options["delay"] else 21 print(delay)Use:
$ python manage.py mycommand -d 44$ python manage.py mycommand --delay 44$ python manage.py mycommand21Docs:
Simple explanation: