subdomain

middleware.py

# -*- coding: utf-8 -*-
#

import re

from django.contrib.sites.models import get_current_site

from app.models.store import Store
from django.conf import settings


class MultiStoreMiddleware:
    def process_request(self, request):
        fulldomain = request.get_host()
        sitedomain = get_current_site(request).domain
        hostname = re.sub(r"\.?%s$" % (sitedomain,), "", fulldomain)

        try:
            request.store = Store.objects.get(hostname=hostname)
            request.owner = request.store.owner == request.user
            request.analytics = request.store.analytics if request.store else settings.GOOGLE_ANALYTICS
        except Store.DoesNotExist:
            request.store = None
            request.owner = False
            request.analytics = settings.GOOGLE_ANALYTICS

settings.py

MIDDLEWARE_CLASSES = (
    'django.middleware.common.CommonMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.locale.LocaleMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.middleware.csrf.CsrfResponseMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'app.middleware.MultiStoreMiddleware',  # <---------------------- HERE!
    'utils.ssl.SSLRedirect',
    'utsessions.middleware.UTSessionMiddleware',
)

views.py

def detail(request, product_url):
    store = request.store
    product = get_object_or_404(Product, store=store, url=product_url)

    template_data = {
        'store': store,
        'product': product,
        'analytics': request.analytics,
        'submit': _('Buy'),
    }
    return direct_to_template(request, "product/detail.html", template_data)