text: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.forms.widgets import flatatt
  
  from .text import text_value
  
  
  def render_icon(icon, title=''):
      """
      Render a Bootstrap glyphicon icon
      """
      attrs = {
          'class': 'glyphicon glyphicon-{icon}'.format(icon=icon),
      }
      if title:
          attrs['title'] = title
      return '<span{attrs}></span>'.format(attrs=flatatt(attrs))
  
  
  def render_alert(content, alert_type=None, dismissable=True):
      """
      Render a Bootstrap alert
      """
      button = ''
      if not alert_type:
          alert_type = 'info'
      css_classes = ['alert', 'alert-' + text_value(alert_type)]
      if dismissable:
          css_classes.append('alert-dismissable')
          button = '<button type="button" class="close" ' + \
                   'data-dismiss="alert" aria-hidden="true">&times;</button>'
      return '<div class="{css_classes}">{button}{content}</div>'.format(
          css_classes=' '.join(css_classes),
          button=button,
          content=text_value(content),
      )
  