def _losetup_list():
 output = check_output(['losetup', '--all']).decode('utf8')
 return _losetup_list_parse(output)

def _losetup_list ( ) : output = check_output ( [ 'losetup' , '--all' ] ) . decode ( 'utf8' ) return _losetup_list_parse ( output )
list all the loopback devices on the system .