Django1.4：在模板中设置语言链接以与i18n_patterns一起使用的通用方法？

I started to play with new i18n_patterns in Django 1.4. Basically, i want to have language links for each of my supported languages on all of my templates headers. I have implemented my header as a separate template that is being included in other templates.I started to play with new i18n_patterns in Dja