title: How to translate Django messages depending on the language selected
body: <p>Hello I have a multy lingual project in Django.
  I have done the translations with <code>USE_I18N</code>.</p>
  
  <p>Everything works fine in the templates  with the </p>
  
  <p><code>{%  trans 'hello world'  %}</code></p>
  
  <p>but how should I process the messages?</p>
  
  <p>when I send   </p>
  
  <p><code>messages.warning(request, "Невалиден имеил или парола")</code> </p>
  
  <p>I want it to be translated in <strong>english</strong> if the language selected is <strong>english</strong></p>