django1/django/core/management/commands/startapp.py

30 lines
1016 B
Python

from importlib import import_module
from django.core.management.base import CommandError
from django.core.management.templates import TemplateCommand
class Command(TemplateCommand):
help = (
"Creates a Django app directory structure for the given app name in "
"the current directory or optionally in the given directory."
)
missing_args_message = "You must provide an application name."
def handle(self, **options):
app_name, target = options.pop('name'), options.pop('directory')
self.validate_name(app_name, "app")
# Check that the app_name cannot be imported.
try:
import_module(app_name)
except ImportError:
pass
else:
raise CommandError(
"%r conflicts with the name of an existing Python module and "
"cannot be used as an app name. Please try another name." % app_name
)
super(Command, self).handle('app', app_name, target, **options)