Milkman words generator for varchar

milkman_words.py

words = [
    'Alfa',
    'Bravo',
    'Charlie',
    'Delta',
    'Echo',
    'Foxtrot',
    'Golf',
    'Hotel',
    'India',
    'Juliet',
    'Kilo',
    'Lima',
    'Mike',
    'November',
    'Oscar',
    'Papa',
    'Quebec',
    'Romeo',
    'Sierra',
    'Tango',
    'Uniform',
    'Victor',
    'Whiskey',
    'X-ray',
    'Yankee',
    'Zulu']

def random_4_words(max_length, *args, **kwargs):
    random_words = "%s %s %s %s" % (
        random.choice(words), random.choice(words),
        random.choice(words), random.choice(words))
    if len(random_words) > max_length:
        from milkman.dairy import generators
        random_words = generators.random_string(max_length, *args, **kwargs)
    return random_words

def random_4_words_maker(field, *args, **kwargs):
    from milkman.dairy import generators
    max_length = getattr(field, 'max_length', generators.DEFAULT_STRING_LENGTH)
    return generators.loop(lambda: random_4_words(max_length, *args, **kwargs))

milkman.registry.add_generator(models.CharField, random_4_words_maker)