utils.py 文件源码

def handle_redirect_to_login(request, **kwargs):
    login_url = kwargs.get("login_url")
    redirect_field_name = kwargs.get("redirect_field_name")
    next_url = kwargs.get("next_url")
    if login_url is None:
        login_url = settings.ACCOUNT_LOGIN_URL
    if next_url is None:
        next_url = request.get_full_path()
    try:
        login_url = urlresolvers.reverse(login_url)
    except urlresolvers.NoReverseMatch:
        if callable(login_url):
            raise
        if "/" not in login_url and "." not in login_url:
            raise
    url_bits = list(urlparse.urlparse(login_url))
    if redirect_field_name:
        querystring = QueryDict(url_bits[4], mutable=True)
        querystring[redirect_field_name] = next_url
        url_bits[4] = querystring.urlencode(safe="/")
    return HttpResponseRedirect(urlparse.urlunparse(url_bits))