book.py

import re
import sys
import random

content = open(sys.argv[1]).read()

def gen_meow(word):
    chars_to_add = len(word) - len("meow")
    if chars_to_add <= 0:
        return "meow"
    
    base = "meow"
    counts = [1 for x in range(len(base))]

    while chars_to_add > 0:
        index = random.randint(0, len(counts) - 1)
        should_add = random.randint(0, 10)
        if should_add > 5:
            counts[index] += 1
            chars_to_add -= 1
    
    newmeow = ""
    for index, count in enumerate(counts):
        newmeow += base[index] * count
    return newmeow

def replace_word(match):
    word = match.group()
    meow = gen_meow(word)

    if word.isupper():
        return meow.upper()
    if word[0].isupper():
        return meow[0].upper() + meow[1:]

    return meow

def remove_linebreaks(match):
    return " " + match.groups()[0]

content = re.sub(r"(?<!\n)\n(?!\s)", " ", content, flags=re.MULTILINE)

content = re.sub(r'[a-zA-Z]+', replace_word, content)

content = re.sub(r"\n\n", "\n", content, flags=re.MULTILINE)

out = ""
for c in content:
    hyp = ""
    if random.randint(0, 10) < 3:
        hyp += bytes([0xc2, 0xad]).decode("utf-8")
    out += c + hyp
content = out

open("book_out.txt", "w").write(content)