def lang_map():
 iso639 = _load_iso639()
 translate = _
 global _lang_map
 if (_lang_map is None):
  _lang_map = {k: translate(v) for (k, v) in iso639['by_3t'].iteritems()}
 return _lang_map

def lang_map ( ) : iso639 = _load_iso639 ( ) translate = _ global _lang_map if ( _lang_map is None ) : _lang_map = { k : translate ( v ) for ( k , v ) in iso639 [ 'by_3t' ] . iteritems ( ) } return _lang_map
return mapping of iso 639 3 letter codes to localized language names .