def normalize_known_hosts_key(key):
 k = key.strip()
 k = key.split()
 d = dict()
 if (k[0][0] == '@'):
  d['options'] = k[0]
  d['host'] = k[1]
  d['type'] = k[2]
  d['key'] = k[3]
 else:
  d['host'] = k[0]
  d['type'] = k[1]
  d['key'] = k[2]
 return d

def normalize_known_hosts_key ( key ) : k = key . strip ( ) k = key . split ( ) d = dict ( ) if ( k [ 0 ] [ 0 ] == '@' ) : d [ 'options' ] = k [ 0 ] d [ 'host' ] = k [ 1 ] d [ 'type' ] = k [ 2 ] d [ 'key' ] = k [ 3 ] else : d [ 'host' ] = k [ 0 ] d [ 'type' ] = k [ 1 ] d [ 'key' ] = k [ 2 ] return d
transform a key .