Store in SiteID a local var store for save SITE_ID thread-safe and set it with middleware. It's base on https://djangosnippets.org/snippets/1099/ but with call to local() in SiteID and using custom models for web site and domains.
Wraps existing cache configured as CUSTOM_CACHE_BACKEND and adds the SITE_ID to cache keys.
Django SITE_ID is a global setting, so the site framework requires you to run multiple instances of Django; at least one for each site. But i want have one instance for multiple sites. This snippet solve this task by change SITE_ID on fly. /sorry my bad english/
3 snippets posted so far.