WebComic 6

import sys, os, io
import json
import re
import pathlib
import urllib.request
from PIL import Image
from bs4 import BeautifulSoup

source = sys.argv[1]

page = urllib.request.urlopen(source).read()
soup = BeautifulSoup(page, 'html.parser')
item = soup.find('',{'class':'pages'})
last_item = item.find_all('div')[-2]
cPage = int(last_item['data-ptimg'][5:9])

p = pathlib.Path(soup.title.string + os.sep)
p.mkdir(parents=True, exist_ok=True)

for c in range(1, cPage + 2):

    #Open the image at given URL plus the image
    with urllib.request.urlopen(f'{source}/data/{c:04}.jpg') as url:
        f = io.BytesIO(url.read())
    im = Image.open(f)

    #Open the corresponding JSON
    with urllib.request.urlopen(f'{source}/data/{c:04}.ptimg.json') as url:
        j = io.BytesIO(url.read())
    data = json.load(j)

    #Create the new image
    out = Image.new('RGB', (data['views'][0]['width'], data['views'][0]['height']))

    #Descramble based off of JSON
    for i in data['views'][0]['coords']:
        src = re.split(r'(?<=\d)(?=\D)|(?<=\D)(?=\d)', i[2:])
        out.paste(im.crop((int(src[0]), int(src[2]), int(src[0]) + int(src[4]), int(src[2]) + int(src[6]))), (int(src[8]), int(src[10])))

    #Give status updates
    print(f'{c:04}.png')

    #Modify this line if you want to save in a different location or namespace
    out.save(p.joinpath(f'{c:04}.png'), format='PNG', optimize=True)
print("Complete")