def DEFINE_spaceseplist(name, default, help, flag_values=FLAGS, **args):
 parser = WhitespaceSeparatedListParser()
 serializer = ListSerializer(' ')
 DEFINE(parser, name, default, help, flag_values, serializer, **args)

def DEFINE_spaceseplist ( name , default , help , flag_values = FLAGS , ** args ) : parser = WhitespaceSeparatedListParser ( ) serializer = ListSerializer ( ' ' ) DEFINE ( parser , name , default , help , flag_values , serializer , ** args )
registers a flag whose value is a whitespace-separated list of strings .