Host the openstack dashboard horizon using wsgiref.simple_server and werkzeug

horizon_simle.py

import logging
import os
import sys
from django.core.wsgi import get_wsgi_application
from django.conf import settings

from wsgiref.simple_server import make_server
from werkzeug.wsgi import SharedDataMiddleware,DispatcherMiddleware
from werkzeug.exceptions import NotFound
from werkzeug.utils import redirect


OLDPATH = '/usr/share/openstack-dashboard/openstack_dashboard/wsgi'

# Add this file path to sys.path in order to import settings
sys.path.insert(0, os.path.join(OLDPATH, '../..'))
os.environ['DJANGO_SETTINGS_MODULE'] = 'openstack_dashboard.settings'
sys.stdout = sys.stderr

DEBUG = False
DEBUG = True # bri

if __name__ == '__main__':

        redirect_dashboard = redirect('/dashboard')

        app_dashboard = SharedDataMiddleware(get_wsgi_application(), {
            '/static':  '/usr/share/openstack-dashboard/static'
        })

        app = DispatcherMiddleware(redirect_dashboard, {
            '/test': NotFound(),
            '/dashboard':        app_dashboard
        })

        httpd = make_server('', 8000, app)
        print("Serving on port 8000...")
        httpd.serve_forever()
else:
        application = get_wsgi_application()