def last_update_time():
 STAMP = '/var/lib/apt/periodic/fabtools-update-success-stamp'
 if (not is_file(STAMP)):
  return (-1)
 return getmtime(STAMP)

def last_update_time ( ) : STAMP = '/var/lib/apt/periodic/fabtools-update-success-stamp' if ( not is_file ( STAMP ) ) : return ( - 1 ) return getmtime ( STAMP )
get the time of last apt index update this is the last modification time of /var/lib/apt/periodic/fabtools-update-success-stamp .