def read_var(*args):
 ret = {}
 try:
  for arg in args:
   log.debug('Querying: %s', arg)
   cmd = '{0} {1} {2}'.format(_TRAFFICLINE, '-r', arg)
   ret[arg] = _subprocess(cmd)
 except KeyError:
  pass
 return ret

def read_var ( * args ) : ret = { } try : for arg in args : log . debug ( 'Querying: %s' , arg ) cmd = '{0} {1} {2}' . format ( _TRAFFICLINE , '-r' , arg ) ret [ arg ] = _subprocess ( cmd ) except KeyError : pass return ret
read variable definitions from the traffic_line command .