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django/tests/user_commands/management/commands/dance.py
Russell Keith-Magee d818e0c9b2 Fixed #16905 -- Added extensible checks (nee validation) framework
This is the result of Christopher Medrela's 2013 Summer of Code project.

Thanks also to Preston Holmes, Tim Graham, Anssi Kääriäinen, Florian
Apolloner, and Alex Gaynor for review notes along the way.

Also: Fixes #8579, fixes #3055, fixes #19844.
2014-01-20 10:45:21 +08:00

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Python

from optparse import make_option
from django.core.management.base import BaseCommand, CommandError
class Command(BaseCommand):
help = "Dance around like a madman."
args = ''
requires_system_checks = True
option_list = BaseCommand.option_list + (
make_option("-s", "--style", default="Rock'n'Roll"),
make_option("-x", "--example")
)
def handle(self, *args, **options):
example = options["example"]
if example == "raise":
raise CommandError()
self.stdout.write("I don't feel like dancing %s." % options["style"])