from django.core.management import find_management_module, find_commands, load_command_class
from django.core.management.base import NoArgsCommand
from django.conf import settings


class Command(NoArgsCommand):
    help = "Show the list of custom management commands in this project."
    requires_model_validation = False

    def handle_noargs(self, **options):
        app_names = [a for a in settings.INSTALLED_APPS if not a.startswith("django.")]
        print "Custom management commands in this project:"
        for app_name in app_names:
            command_names = find_commands(find_management_module(app_name))
            for command_name in command_names:
                help_text = load_command_class(app_name, command_name).help
                print "%s\n\t%s (%s)\n" % (command_name, help_text, app_name)
        if not app_names:
            print "None"