nhentaito.py

from bs4 import BeautifulSoup as bs
import httpx
import requests
import aiohttp
import asyncio
import time
from pathlib import Path
from slowpoke import downloader
from warnings import warn

nuke = "402543"
url = f"https://nhentai.to/g/{nuke}/"

headers = {
        'Accept': '*/*',
        'Accept-Language': 'en-US,en;q=0.9',
        'Cache-Control': 'no-cache',
        'Connection': 'keep-alive',
        'Pragma': 'no-cache',
        'Referer': 'https://nhentai.to',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.36',
        'X-Requested-With': 'XMLHttpRequest',
    }

def page_count(soup):
    temp = soup.find('div', {'id': 'info'}).findChildren()
    for i in temp:
        if "page" in i.text:
            page = i.text.split(" ")[0]
            return page

async def grabber(count):
    pages = []
    
    async with aiohttp.ClientSession() as session:
        for i in range(1, int(count)+1):
            async with session.get(f"{url}{i}/", headers=headers) as resp:
                pages.append(await resp.read())
    
    images = []        
    for page in pages:
        page = bs(page, "html.parser")
        images.append(page.find('img', {'class': 'fit-horizontal'}).get('src'))
    
    return images

async def downloader(images):
    path = Path(f"{nuke}")
    try:
        path.mkdir(parents=True)
    except FileExistsError:
        warn(f'Folder "{path}" already exists, skipping creation')
    
    async with aiohttp.ClientSession() as session:
        for image in images:
            async with session.get(image, headers=headers) as resp:
                with open(f"{path}/{image.split('/')[-1]}", "wb") as f:
                    f.write(await resp.read())
        

def main():
    html = requests.get(url, headers=headers).text
    soup = bs(html, "html.parser")
    count = page_count(soup)
    images = asyncio.run(grabber(count))
    asyncio.run(downloader(images))
    
if __name__ == '__main__':
    main()