django single file project

greet.py

#!/usr/bin/env python
# -*- coding:utf-8 -*-

""" greetings """

import os
import sys
from django.conf import settings

BASE_DIR = os.path.dirname(os.path.abspath(__file__)) 

# use base_dir as import root
sys.path[0] = os.path.dirname(BASE_DIR)

# the current folder name will also be our app
APP_LABEL = os.path.basename(BASE_DIR)


import inspect
stck = inspect.stack()


settings.configure(
    DEBUG=os.environ.get('DEBUG', 'on') == 'on',
    SECRET_KEY=os.environ.get('SECRET_KEY', os.urandom(32)),
    ALLOWED_HOSTS=os.environ.get('ALLOWED_HOSTS', 'localhost').split(','),
    ROOT_URLCONF=__name__,
    MIDDLEWARE=[
        'django.middleware.security.SecurityMiddleware',
        'django.contrib.sessions.middleware.SessionMiddleware',
        'django.middleware.common.CommonMiddleware',
        'django.middleware.csrf.CsrfViewMiddleware',
        'django.contrib.auth.middleware.AuthenticationMiddleware',
        'django.contrib.messages.middleware.MessageMiddleware',
        'django.middleware.clickjacking.XFrameOptionsMiddleware',
        'django.middleware.locale.LocaleMiddleware',
        ],
    INSTALLED_APPS=[
        APP_LABEL,
        'django.contrib.admin',
        'django.contrib.auth',
        'django.contrib.contenttypes',
        'django.contrib.sessions',
        'django.contrib.messages',
        'django.contrib.staticfiles',
        ],
    STATIC_URL='/static/',
    STATICFILES_DIRS=[
        os.path.join(BASE_DIR, "static"),
    ],
    STATIC_ROOT=os.path.join(BASE_DIR, "static_root"),
    MEDIA_ROOT=os.path.join(BASE_DIR, "media"),
    MEDIA_URL='/media/',
    TEMPLATES=[
        {
            'BACKEND': 'django.template.backends.django.DjangoTemplates',
            'DIRS': [os.path.join(BASE_DIR, "templates"),],
            'APP_DIRS': True,
            'OPTIONS': {
                'context_processors': [
                    'django.template.context_processors.debug',
                    'django.template.context_processors.i18n',
                    'django.template.context_processors.request',
                    'django.contrib.auth.context_processors.auth',
                    'django.template.context_processors.tz',
                    'django.contrib.messages.context_processors.messages',
                ],
            },
        },
        ],
    DATABASES={
        'default': {
            'ENGINE': 'django.db.backends.sqlite3',
            'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
            }
        },
)


import django
django.setup() # responsible for populating the application registry.


from django.db import models
from django.contrib import admin

from django.db import models

class Author(models.Model):
    name = models.CharField(max_length=200)
    class Meta:
        app_label = APP_LABEL

class Book(models.Model):
    author = models.ForeignKey(Author, related_name='books')
    title = models.CharField(max_length=400)
    class Meta:
        app_label = APP_LABEL

admin.site.register(Book)
admin.site.register(Author)
admin.autodiscover()


from django.conf.urls import url
from django.http import HttpResponse
from django.contrib import admin

def index(request):
    """ index """
    return HttpResponse("Hello")


urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^$', index, name='homepage'),
]


from django.core.wsgi import get_wsgi_application
def return_application():
    return get_wsgi_application()

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