html helpers for images and links

def link(url, text='', classes=''):
    if not text: text = url
    if classes: classes = ' class="%s"' % classes
    return """<a href="%s"%s>%s</a>""" % (url, classes, text)

def img(url, alt='', classes=''):
    if not url.startswith('http://') and not url[:1]=='/':
        #add media_url for relative paths
        import settings
        url = settings.MEDIA_URL + url
    if classes: classes = ' class="%s"' % classes
    if alt: alt = ' alt="%s" title="%s"' % (alt, alt)
    return """<img src="%s"%s%s>""" % (url, classes, alt)