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web-page-backend/stock-lab/app/screener/ai_news/scraper.py

40 lines
1.2 KiB
Python

"""네이버 finance 종목 뉴스 스크래핑."""
from __future__ import annotations
import logging
from typing import Any, Dict, List
from bs4 import BeautifulSoup
log = logging.getLogger(__name__)
NAVER_NEWS_URL = "https://finance.naver.com/item/news_news.naver"
NAVER_HEADERS = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
"Referer": "https://finance.naver.com/",
}
async def fetch_news(client, ticker: str, n: int = 5) -> List[Dict[str, Any]]:
"""Scrape top N news headlines for a ticker. Returns [] on any failure."""
try:
r = await client.get(NAVER_NEWS_URL, params={"code": ticker, "page": 1})
except Exception as e:
log.warning("ai_news scrape http error for %s: %s", ticker, e)
return []
if r.status_code != 200:
return []
soup = BeautifulSoup(r.text, "lxml")
out: List[Dict[str, Any]] = []
for row in soup.select("table.type5 tbody tr")[:n]:
title_el = row.select_one("td.title a")
date_el = row.select_one("td.date")
if not title_el or not date_el:
continue
out.append({
"title": title_el.get_text(strip=True),
"date": date_el.get_text(strip=True),
})
return out