# -*- coding: utf-8 -*-
# 충주 구버전 사이트맵 트리: div.sitemap_box > h3.h0(대) / li>a.h4(중) / ul.bu>li>a(소)
import sys,io,json,urllib.request,ssl
from bs4 import BeautifulSoup
sys.stdout=io.TextIOWrapper(sys.stdout.buffer,encoding='utf-8')
ctx=ssl.create_default_context(); ctx.check_hostname=False; ctx.verify_mode=ssl.CERT_NONE
def get(u):
    req=urllib.request.Request(u,headers={'User-Agent':'Mozilla/5.0'})
    return urllib.request.urlopen(req,timeout=25,context=ctx).read().decode('utf-8','ignore')
h=get('https://www.chungju.go.kr/www/sitemap.do?key=553')
s=BeautifulSoup(h,'html.parser')
tree=[]
for box in s.select('div.sitemap_box'):
    h3=box.select_one('h3.h0 a, h3 a')
    d1=h3.get_text(strip=True) if h3 else ''
    ul=box.find('ul', recursive=False) or box.find('ul')
    if not ul: continue
    for li in ul.find_all('li', recursive=False):
        a4=li.find('a', class_='h4') or li.find('a', recursive=False)
        if not a4: continue
        d2=a4.get_text(strip=True)
        bu=li.find('ul', class_='bu') or li.find('ul', recursive=False)
        if bu:
            for sub in bu.find_all('li', recursive=False):
                a=sub.find('a')
                if not a: continue
                tree.append([d1,d2,a.get_text(strip=True),'',a.get('href')])
        else:
            tree.append([d1,d2,'','',a4.get('href')])
json.dump(tree,open('_cz_tree.json','w',encoding='utf-8'),ensure_ascii=False)
print('충주 트리노드',len(tree))
for t in tree[:6]: print('  ',t[0],'>',t[1],'>',t[2],'|',(t[4] or '')[:45])