context_processors.py 文件源码

def site(request):
    site = SimpleLazyObject(lambda: get_current_site(request))
    protocol = 'https' if request.is_secure() else 'http'

    return {
        'site': site,
        'site_root': SimpleLazyObject(lambda: "{0}://{1}".format(protocol, site.domain)),
    }