code: def bootstrap_messages(context, *args, **kwargs):
      
  
      # Force Django 1.8+ style, so dicts and not Context
      # TODO: This may be due to a bug in Django 1.8/1.9+
      if Context and isinstance(context, Context):
          context = context.flatten()
      context.update({"message_constants": message_constants})
      return render_template_file("bootstrap3/messages.html", context=context)
docs: Show django.contrib.messages Messages in Bootstrap alert containers.
  
      In order to make the alerts dismissable (with the close button),
      we have to set the jquery parameter too when using the
      bootstrap_javascript tag.
  
      Uses the template ``bootstrap3/messages.html``.
  
      **Tag name**::
  
          bootstrap_messages
  
      **Parameters**:
  
          None.
  
      **Usage**::
  
          {% bootstrap_messages %}
  
      **Example**::
  
          {% bootstrap_javascript jquery=1 %}
          {% bootstrap_messages %}