code: def displayhtml(public_key,
                  attrs,
                  use_ssl=False,
                  error=None):
      
  
      error_param = ''
      if error:
          error_param = '&error=%s' % error
  
      if use_ssl:
          server = API_SSL_SERVER
      else:
          server = API_SERVER
  
      if 'lang' not in attrs:
          attrs['lang'] = get_language()[:2]
  
      return render_to_string(
          WIDGET_TEMPLATE,
          {'api_server': server,
           'public_key': public_key,
           'error_param': error_param,
           'lang': attrs['lang'],
           'options': mark_safe(json.dumps(attrs, indent=2))
           })
docs: Gets the HTML to display for reCAPTCHA
  
      public_key -- The public api key
      use_ssl -- Should the request be sent over ssl?
      error -- An error message to display (from RecaptchaResponse.error_code)