354 lines
13 KiB
Python
354 lines
13 KiB
Python
import asyncio
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import re
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from html import unescape
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from difflib import SequenceMatcher
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from playwright.async_api import async_playwright
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from urllib import parse
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import time
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from app.utils.logger import get_logger
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# 로거 설정
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logger = get_logger("pwscraper")
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class NvMapPwScraper():
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# cls vars
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is_ready = False
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_playwright = None
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_browser = None
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_context = None
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_win_width = 1280
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_win_height = 720
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_max_retry = 3
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_timeout = 60 # place id timeout threshold seconds
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# instance var
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page = None
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@classmethod
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def default_context_builder(cls):
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context_builder_dict = {}
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context_builder_dict['viewport'] = {
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'width' : cls._win_width,
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'height' : cls._win_height
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}
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context_builder_dict['screen'] = {
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'width' : cls._win_width,
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'height' : cls._win_height
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}
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context_builder_dict['user_agent'] = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36"
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context_builder_dict['locale'] = 'ko-KR'
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context_builder_dict['timezone_id']='Asia/Seoul'
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return context_builder_dict
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@classmethod
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async def initiate_scraper(cls):
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if not cls._playwright:
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cls._playwright = await async_playwright().start()
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if not cls._browser:
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cls._browser = await cls._playwright.chromium.launch(headless=True)
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if not cls._context:
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cls._context = await cls._browser.new_context(**cls.default_context_builder())
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cls.is_ready = True
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GRAPHQL_URL = "https://pcmap-api.place.naver.com/graphql"
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@classmethod
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async def fetch_graphql(
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cls,
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place_id: str,
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payloads: list[dict],
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) -> list[dict | None] | None:
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"""실제 브라우저로 네이버 WTM 안티봇 캡차를 통과해 GraphQL 쿼리를 실행한다.
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네이버 pcmap GraphQL은 두 헤더를 검사한다:
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- x-wtm-graphql : base64({"arg": place_id, "type": ..., "source": "place"})
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- x-wtm-ncaptcha-token : 캡차 JS가 생성 (요청마다 발급, 직접 생성 불가)
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둘 다 없으면 405(캡차)로 막힌다. 따라서 place 페이지를 실제로 로드해
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페이지가 자연 발생시키는 GraphQL 요청에서 두 헤더를 캡처한 뒤,
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같은 토큰으로 우리 쿼리들을 in-page fetch로 실행한다.
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Args:
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place_id: 네이버 place ID
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payloads: GraphQL POST 본문 목록
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Returns:
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payload별 파싱 JSON 목록(실패 항목은 None). 토큰 캡처 실패 시 None.
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"""
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if not cls.is_ready:
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logger.warning("[NvMapPwScraper] fetch_graphql: scraper가 초기화되지 않았습니다")
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return None
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page = await cls._context.new_page()
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captured: dict = {}
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def on_request(req):
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if "/graphql" in req.url and req.method == "POST" and "tok" not in captured:
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tok = req.headers.get("x-wtm-ncaptcha-token")
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if tok:
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captured["tok"] = tok
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captured["wtm"] = req.headers.get("x-wtm-graphql")
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page.on("request", on_request)
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try:
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for t in ("place", "restaurant", "accommodation"):
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try:
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await page.goto(
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f"https://pcmap.place.naver.com/{t}/{place_id}/home",
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wait_until="domcontentloaded",
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timeout=30000,
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)
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except Exception as e:
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logger.debug(f"[NvMapPwScraper] goto {t} 실패: {e}")
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continue
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# 페이지가 GraphQL 요청을 보내며 토큰이 헤더에 실릴 때까지 대기 (최대 ~9초)
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for _ in range(30):
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if captured.get("tok"):
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break
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await page.wait_for_timeout(300)
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if captured.get("tok"):
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logger.info(f"[NvMapPwScraper] WTM 토큰 캡처 성공 (type={t})")
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break
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if not captured.get("tok"):
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logger.warning("[NvMapPwScraper] WTM 토큰 캡처 실패")
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return None
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headers = {
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"Content-Type": "application/json",
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"x-wtm-graphql": captured["wtm"],
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"x-wtm-ncaptcha-token": captured["tok"],
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}
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results: list[dict | None] = []
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for payload in payloads:
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r = await page.evaluate(
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"""async (a) => {
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const [url, body, hdr] = a;
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try {
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const r = await fetch(url, {
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method: 'POST',
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headers: hdr,
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body: JSON.stringify(body),
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credentials: 'include',
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});
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if (r.status !== 200) return {__err: r.status};
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return await r.json();
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} catch (e) { return {__err: String(e)}; }
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}""",
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[cls.GRAPHQL_URL, payload, headers],
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)
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if isinstance(r, dict) and "__err" in r:
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logger.warning(f"[NvMapPwScraper] graphql fetch 실패: {r['__err']}")
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results.append(None)
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else:
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results.append(r)
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return results
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except Exception as e:
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logger.error(f"[NvMapPwScraper] fetch_graphql 오류: {e}")
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return None
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finally:
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await page.close()
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def __init__(self):
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if not self.is_ready:
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raise Exception("nvMapScraper is not initiated")
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async def __aenter__(self):
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await self.create_page()
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return self
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async def __aexit__(self, exc_type, exc, tb):
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await self.page.close()
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async def create_page(self):
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self.page = await self._context.new_page()
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await self.page.add_init_script(
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'''const defaultGetter = Object.getOwnPropertyDescriptor(
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Navigator.prototype,
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"webdriver"
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).get;
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defaultGetter.apply(navigator);
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defaultGetter.toString();
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Object.defineProperty(Navigator.prototype, "webdriver", {
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set: undefined,
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enumerable: true,
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configurable: true,
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get: new Proxy(defaultGetter, {
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apply: (target, thisArg, args) => {
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Reflect.apply(target, thisArg, args);
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return false;
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},
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}),
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});
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const patchedGetter = Object.getOwnPropertyDescriptor(
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Navigator.prototype,
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"webdriver"
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).get;
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patchedGetter.apply(navigator);
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patchedGetter.toString();''')
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await self.page.set_extra_http_headers({
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'sec-ch-ua': '\"Not?A_Brand\";v=\"99\", \"Chromium\";v=\"130\"'
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})
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await self.page.goto("http://google.com")
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async def goto_url(self, url, wait_until="domcontentloaded", timeout=20000):
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page = self.page
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await page.goto(url, wait_until=wait_until, timeout=timeout)
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@staticmethod
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def _clean_title(text: str) -> str:
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text = unescape(text) # HTML 엔티티 디코딩 (& → &)
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text = re.sub(r"<.*?>", "", text) # HTML 태그 제거
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return text.strip()
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@staticmethod
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def _similarity(a: str, b: str) -> float:
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return SequenceMatcher(None, a, b).ratio()
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@staticmethod
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def _refine_address(address: str) -> str:
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"""한국 주소 패턴에서 첫 번째 유효한 주소만 추출한다."""
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patterns = [
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# 도로명 (정식): 경기도 가평군 운악로 278
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re.compile(
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r'[가-힣]+(?:특별시|광역시|특별자치시|도|특별자치도|시)\s+'
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r'[가-힣\s]+?(?:로|길|대로)\s+\d+(?:-\d+)?'
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),
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# 지번 (정식): 경기도 가평군 조종면 운악리 278
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re.compile(
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r'[가-힣]+(?:특별시|광역시|특별자치시|도|특별자치도|시)\s+'
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r'[가-힣\s]+?(?:읍|면|동|리|가)\s+\d+(?:-\d+)?'
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),
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# 도로명 (축약): 경기 가평 운악로 278
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re.compile(
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r'[가-힣]{1,4}\s+[가-힣]{1,6}\s+'
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r'[가-힣\s]+?(?:로|길|대로)\s+\d+(?:-\d+)?'
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),
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# 지번 (축약): 경기 가평 조종면 운악리 278
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re.compile(
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r'[가-힣]{1,4}\s+[가-힣]{1,6}\s+'
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r'[가-힣\s]+?(?:읍|면|동|리|가)\s+\d+(?:-\d+)?'
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),
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]
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for pattern in patterns:
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m = pattern.search(address)
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if m:
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return m.group().strip()
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return address
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async def _extract_candidates_from_list_page(self) -> list[dict]:
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"""pcmap.place.naver.com iframe HTML에서 place ID와 업체명을 추출한다."""
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pcmap_frame = None
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for frame in self.page.frames:
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if "pcmap.place.naver.com" in frame.url:
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pcmap_frame = frame
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logger.debug(f"[DEBUG] pcmap frame 발견: {frame.url[:80]}")
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break
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if not pcmap_frame:
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logger.debug("[DEBUG] pcmap frame 없음")
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return []
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try:
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html = await pcmap_frame.content()
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except Exception as e:
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logger.debug(f"[DEBUG] pcmap frame content 추출 실패: {e}")
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return []
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# {"id":"11659052","name":"프레지던트 호텔",...} 형태의 JSON 쌍 추출
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pair_pattern = re.compile(
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r'"id"\s*:\s*"(\d{5,})"[^}]{0,200}?"name"\s*:\s*"([^"]{1,60})"'
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r'|"name"\s*:\s*"([^"]{1,60})"[^}]{0,200}?"id"\s*:\s*"(\d{5,})"'
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)
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seen = {} # place_id → title (순서 보존)
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for m in pair_pattern.finditer(html):
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if m.group(1): # id 먼저
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pid, title = m.group(1), m.group(2)
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else: # name 먼저
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pid, title = m.group(4), m.group(3)
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if pid not in seen:
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seen[pid] = title
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candidates = [
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{"title": title, "place_url": f"https://map.naver.com/p/entry/place/{pid}"}
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for pid, title in list(seen.items())[:10]
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]
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for i, c in enumerate(candidates):
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logger.debug(f"[DEBUG] 후보 {i+1}: {c['title']} / {c['place_url']}")
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logger.debug(f"[DEBUG] 목록 후보 {len(candidates)}개 추출")
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return candidates
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async def _try_search(self, address: str, title: str) -> str | None:
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"""주어진 주소+업체명으로 검색해서 place URL을 반환한다. 실패 시 None."""
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encoded_query = parse.quote(f"{address} {title}".strip())
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url = f"https://map.naver.com/p/search/{encoded_query}"
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try:
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await self.goto_url(url, wait_until="networkidle", timeout=self._timeout * 1000)
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except:
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if "/place/" in self.page.url:
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return self.page.url
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logger.error("[ERROR] Can't Finish networkidle")
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if "/place/" in self.page.url:
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return self.page.url
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candidates = await self._extract_candidates_from_list_page()
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if candidates:
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best = max(
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candidates,
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key=lambda c: self._similarity(title, self._clean_title(c['title']))
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)
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best_score = self._similarity(title, self._clean_title(best['title']))
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logger.info(
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f"[AUTO-SELECT] '{title}' → '{best['title']}' (score={best_score:.2f}) {best['place_url']}"
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)
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return best['place_url']
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# isCorrectAnswer=true 로 강제 단일결과 재시도 (원본 로직 유지)
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correct_url = self.page.url.replace("?", "?isCorrectAnswer=true&")
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try:
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await self.goto_url(correct_url, wait_until="networkidle", timeout=self._timeout * 1000)
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except:
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if "/place/" in self.page.url:
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return self.page.url
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logger.error("[ERROR] Can't Finish networkidle (isCorrectAnswer)")
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if "/place/" in self.page.url:
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return self.page.url
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return None
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async def get_place_id_url(self, selected):
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title = self._clean_title(selected['title'])
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address = self._clean_title(selected.get('roadAddress', selected['address']))
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# 1차 시도: 원본 주소 + 업체명
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logger.debug(f"[DEBUG] 1차 시도 - address: {address}")
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result = await self._try_search(address, title)
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if result:
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return result
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# 2차 시도: 정제 주소 + 업체명
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refined = self._refine_address(address)
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if refined != address:
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logger.info(f"[REFINE] 주소 정제: '{address}' → '{refined}'")
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result = await self._try_search(refined, title)
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if result:
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return result
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# 3차 시도: 업체명만으로 검색
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logger.info(f"[RETRY] 업체명만으로 재시도: '{title}'")
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result = await self._try_search("", title)
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if result:
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return result
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logger.error(f"[ERROR] Not found url for {selected}")
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return None
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