def _availables_plugins(url):
 try:
  descriptor = urlopen(url)
  plugins = json_manager.read_json_from_stream(descriptor)
  return plugins
 except URLError:
  return {}

def _availables_plugins ( url ) : try : descriptor = urlopen ( url ) plugins = json_manager . read_json_from_stream ( descriptor ) return plugins except URLError : return { }
return the availables plugins from an url in ninja-ide web page .