text: from cms.utils.compat.dj import python_2_unicode_compatible
  import re
  from django.db import models
  from django.utils.translation import ugettext_lazy as _
  from cms.models import CMSPlugin
  from os.path import basename
  
  
  @python_2_unicode_compatible
  class Flash(CMSPlugin):
      file = models.FileField(_('file'), upload_to=CMSPlugin.get_media_path, help_text=_('use swf file'))
      width = models.CharField(_('width'), max_length=6)
      height = models.CharField(_('height'), max_length=6)
  
      def __str__(self):
          return u"%s" % basename(self.file.path)
      
      def get_height(self):
          return fix_unit(self.height)
      
      def get_width(self):
          return fix_unit(self.width)
  
  def fix_unit(value):
      if not re.match(r'.*[0-9]$', value):
          # no unit, add px
          return value + "px"
      return value 
  