utils.py 文件源码

def get_referer_url(request):
    """
        ?????????? ????????????? ???? REFERER, ???? ?? ? ???????? ?????.
        ?????, ?????????? MULTILANGUAGE_FALLBACK_URL
    """
    referer = request.META.get('HTTP_REFERER')
    if not referer:
        return resolve_url(options.MULTILANGUAGE_FALLBACK_URL)

    site = get_current_site(request)
    url_parts = list(urlparse(referer))
    if url_parts[1] != site.domain:
        return resolve_url(options.MULTILANGUAGE_FALLBACK_URL)

    url_parts[0] = ''
    url_parts[1] = ''
    return urlunparse(url_parts)