# -*- coding: utf-8 -*-
import urllib.request, ssl, re, http.cookiejar
ctx=ssl.create_default_context(); ctx.check_hostname=False; ctx.verify_mode=ssl.CERT_NONE
cj=http.cookiejar.CookieJar(); op=urllib.request.build_opener(urllib.request.HTTPSHandler(context=ctx),urllib.request.HTTPCookieProcessor(cj))
op.addheaders=[('User-Agent','Mozilla/5.0')]
def fixdom(u): return str(u).replace('https://new.igbf.kr','http://www.igbf.kr')
def g(u): return op.open(fixdom(u),timeout=20).read().decode('utf-8','replace')
IMG=re.compile(r'<img[^>]+src="([^"]+)"', re.I)
# 우리민요반주 페이지
h=g('http://www.igbf.kr/gugak_web/?sub_num=849')
print('=== 우리민요반주(849) 전 img (파일명) ===')
for s in IMG.findall(h):
    fn=s.split('/')[-1]
    if not re.search(r'(logo|ico_|chn_|onair|btn|menu|_sk|_kt|_lg|mmtr)', fn, re.I): print('  ',fn)
print('공공누리/유형 텍스트:', re.findall(r'(공공누리[^<]{0,20}|제\s*\d\s*유형|[Kk][Oo][Gg][Ll])', h)[:6])
# 보도자료 게시판 상세
hb=g('http://www.igbf.kr/gugak_web/?sub_num=764')
bid=re.search(r'(idx|bIdx|seq|num)=(\d+)', hb)
# 보도자료 list url 추출
print('\n=== 보도자료(764) list view 링크 ===')
print('  bIdx:', re.findall(r'bIdx=(\d+)', hb)[:3], '| board.jsp:', re.findall(r'(\w+board\w*\.jsp)', hb)[:3])