# coding: utf-8
import sys, re, urllib.request, ssl
from bs4 import BeautifulSoup

ctx = ssl.create_default_context(); ctx.check_hostname=False; ctx.verify_mode=ssl.CERT_NONE
UA={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'}

def get(url):
    req=urllib.request.Request(url, headers=UA)
    raw=urllib.request.urlopen(req, timeout=30, context=ctx).read()
    return BeautifulSoup(raw, 'html.parser')

url=sys.argv[1]
sp=get(url)
# find likely content container
for sel in ['#contents','#content','.contents','.content','#sub_content','.sub_content','#container','.cont_area','.board_view','.bbs_view']:
    n=sp.select_one(sel)
    if n:
        imgs=n.find_all('img')
        print(f"== {sel}: imgs={len(imgs)}")
        for i in imgs[:30]:
            print("   IMG", (i.get('src') or '')[:90], '| alt=', (i.get('alt') or '')[:40])
        ifr=n.find_all('iframe')
        for f in ifr[:10]:
            print("   IFRAME", (f.get('src') or '')[:90])
        break
print("---ALL IMG count in page:", len(sp.find_all('img')))