def generate_phrase_1():
selections = [VERBS, ADJECTIVES, NOUNS, ADVERBS, TRANSITIVE_VERBS, VERBS, ADJECTIVES, NOUNS]
entropy = sum([log(len(item), 2) for item in selections])
conjugations = ['part', None, None,
None, [random_item_from_list([PAST, PRESENT])],
'part', None, None]
entropy += 1
print('%.2f bits of entropy' % entropy)
sub_list = [random_item_from_list(item) for item in selections]
for idx, word in enumerate(sub_list):
if conjugations[idx]:
sub_list[idx] = conjugate(word, *conjugations[idx])
return ('the %s %s %s %s %s the %s %s %s' % tuple(sub_list)).replace('_', ' ')
def generate_phrase_2():
'''Return a phrase and its entropy (in bits) of the form
(# adj noun) (adverb verb) (adjective noun punctuation)
E.g.,
17 MODERATE TRAYS At once live outed wORTH bOSSES
'''
selections = [ADJECTIVES, NOUNS,
ADVERBS, TRANSITIVE_VERBS,
ADJECTIVES, NOUNS, TERMINAL_PUNCTUATION]
entropy = sum([log(len(item), 2) for item in selections])
conjugations = [None, None,
None, [random_item_from_list([PAST, PRESENT]), 3, PLURAL],
None, None,
None]
sub_list = [random_item_from_list(item) for item in selections]
for idx, word in enumerate(sub_list):
if conjugations[idx]:
sub_list[idx] = conjugate(word, *conjugations[idx])
entropy += 1
sub_list[1] = pluralize(sub_list[1])
sub_list[5] = pluralize(sub_list[5])
entropy += log(997, 2)
for idx, item in enumerate(sub_list):
rnd = randint(4)
if rnd == 1:
sub_list[idx] = item.capitalize()
if rnd == 2:
sub_list[idx] = item.upper()
if rnd == 3:
sub_list[idx] = item[0] + item[1:].upper()
entropy += 2
phrase = ('%i %s %s %s %s %s %s%s' % tuple([randint(997) + 2] + sub_list)).replace('_', ' ')
# Insert a random symbol into the sentence
insert_point = randint(len(phrase) + 1)
entropy += log(len(phrase) + 1, 2) + log(len(SYMBOLS), 2)
phrase = phrase[:insert_point] + random_item_from_list(SYMBOLS) + phrase[insert_point:]
insert_point = randint(len(phrase) + 1)
entropy += log(len(phrase) + 1, 2) + log(len(SYMBOLS), 2)
phrase = phrase[:insert_point] + random_item_from_list(SYMBOLS) + phrase[insert_point:]
return phrase, entropy
