simplest django app

django.py

import sys

from django.conf.urls import url
from django.http import HttpResponse
from django.conf import settings

settings.configure(
    DEBUG=True,
    SECRET_KEY='thisisthesecretkey',
    ROOT_URLCONF=__name__,
    MIDDLEWARE_CLASSES=(
        'django.middleware.common.CommonMiddleware',
        'django.middleware.csrf.CsrfViewMiddleware',
        'django.middleware.clickjacking.XFrameOptionsMiddleware',
    ),
)
def index(request):
    return HttpResponse('Hello World')

urlpatterns = [
    url(r'^$', index),
]

if __name__ == "__main__":
    from django.core.management import execute_from_command_line
    execute_from_command_line(sys.argv)