django management task to create the database

dbcreate.py

import os
from django.conf import settings
from django.core.management.base import BaseCommand, CommandError

class Command(BaseCommand):
    help = "Creates your database using psql command"

    def add_arguments(self, parser):
        parser.add_argument(
            '-R', '--router', action='store', dest='router', default='default',
            help='Use this router-database other then defined in settings.py')

    def handle(self, *args, **options):
        router = options.get('router')
        dbinfo = settings.DATABASES.get(router)
        if dbinfo is None:
            raise CommandError("Unknown database router %s" % router)
        dbname = dbinfo.get('NAME')
        dbname = dbinfo.get('NAME')
        drop_command = "CREATE DATABASE {0};".format(dbname)
        os.system('psql postgres -q -c "{0}"'.format(drop_command))