python - Django render_to_string 行为

Question

我有以下 HTML 文件 template.html:

{% load i18n %}
<p>{% blocktrans %}You have following email: {{ request.user.email }}.{% endblocktrans %}</p>

现在在 python 中:

if request.user is not None and request.user.is_authenticated():
   text = render_to_string('template.html', context_instance=RequestContext(request)))

但是request.user.email 在模板中是空的。即使我写了 {{ user.email }}，它仍然是空的。如何呈现用户并正确调用其方法？例如，{{ request.user.get_short_name }} 也不起作用。

更新:问题出在 {% blocktrans %}

<p>You have following email: {{ request.user.email }}.</p>

谁能告诉我为什么？我还没有翻译消息，但我认为它会按原样呈现。

Answer 1

如文档所述，您不能在 {% blocktrans %} 中直接使用模板表达式，只能使用变量:

To translate a template expression – say, accessing object attributes or using template filters – you need to bind the expression to a local variable for use within the translation block. Examples:

{% blocktrans with amount=article.price %}
That will cost $ {{ amount }}.
{% endblocktrans %}

比照https://docs.djangoproject.com/en/1.7/topics/i18n/translation/#blocktrans-template-tag

所以你的模板代码应该是这样的:

{% load i18n %}
<p>
{% blocktrans with email=request.user.email %}
 You have following email: {{ email }}.
{% endblocktrans %}
</p>