268 lines
10 KiB
Python
268 lines
10 KiB
Python
"""
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台湾彩券资讯采集模块
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- 列表接口: https://api.taiwanlottery.com/TLCAPIWeB/News/List
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- 详情页面: https://www.taiwanlottery.com/news/news/{newsId}
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写入分类:
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- la_article_cate.id = 21 (彩票资讯)
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"""
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import html
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import json
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import re
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import time
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from datetime import datetime
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from urllib.parse import urljoin
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import pymysql
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import requests
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from article_publish_helper import has_publishable_article_content, resolve_crawled_article_is_show
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ARTICLE_CID = 21
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LIST_API = "https://api.taiwanlottery.com/TLCAPIWeB/News/List?keyword&from=2025-06&to=2026-06&type=2&webtag=1&pageSize=20&pageNo={page}"
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DETAIL_URL = "https://www.taiwanlottery.com/news/news/{news_id}"
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DETAIL_API = "https://api.taiwanlottery.com/TLCAPIWeB/News/Detail/{news_id}"
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SOURCE_NAME = "台湾彩券"
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MAX_PAGES = 3
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def clean_text(text: str) -> str:
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return re.sub(r"\s+", " ", html.unescape(text or "").replace("\u3000", " ")).strip()
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def parse_announce_date(value: str) -> tuple[int, str]:
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if not value:
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now = int(time.time())
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return now, datetime.fromtimestamp(now).strftime("%Y-%m-%d %H:%M:%S")
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try:
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dt = datetime.fromisoformat(value.replace("Z", "+00:00"))
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ts = int(dt.timestamp())
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return ts, dt.strftime("%Y-%m-%d %H:%M:%S")
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except Exception:
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now = int(time.time())
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return now, datetime.fromtimestamp(now).strftime("%Y-%m-%d %H:%M:%S")
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def fetch_list(session: requests.Session, page_no: int) -> list[dict]:
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resp = session.get(LIST_API.format(page=page_no), timeout=30)
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resp.raise_for_status()
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data = resp.json()
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if data.get("rtCode") != 0:
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raise RuntimeError(f"台湾彩券列表接口异常: {data.get('rtMsg')}")
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return data.get("content", {}).get("newsListRes", []) or []
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def strip_wrapper_tags(html_text: str) -> str:
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content = html_text or ""
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content = re.sub(r"^\ufeff", "", content)
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content = re.sub(r"</?(?:html|body)[^>]*>", "", content, flags=re.I)
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content = re.sub(r"<head[\s\S]*?</head>", "", content, flags=re.I)
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content = re.sub(r"<style[\s\S]*?</style>", "", content, flags=re.I)
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content = re.sub(r"<meta[^>]*>", "", content, flags=re.I)
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return content.strip()
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def parse_detail(session: requests.Session, news_id: str) -> dict:
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api_url = DETAIL_API.format(news_id=news_id)
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resp = session.get(api_url, timeout=30)
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resp.raise_for_status()
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data = resp.json()
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if data.get("rtCode") != 0:
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raise RuntimeError(f"台湾彩券详情接口异常: {data.get('rtMsg')}")
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detail = data.get("content") or {}
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url = DETAIL_URL.format(news_id=news_id)
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title = clean_text(detail.get("newsTitle", ""))
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published_ts, published_at = parse_announce_date(detail.get("announceDate", ""))
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raw_html = strip_wrapper_tags(detail.get("content", ""))
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inner_doc = raw_html
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image_urls = []
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for src in re.findall(r'<img[^>]+src="([^"]+)"', inner_doc, re.I):
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full = urljoin(url, src)
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if full not in image_urls:
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image_urls.append(full)
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paragraphs = []
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for raw in re.findall(r"<p[^>]*>([\s\S]*?)</p>", inner_doc, re.I):
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text = clean_text(re.sub(r"<[^>]+>", " ", raw))
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if len(text) > 8:
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paragraphs.append(text)
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published_text = ""
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if paragraphs and re.match(r"^\d{2}/\d{2}/\d{4}", paragraphs[0]):
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published_text = paragraphs.pop(0)
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content_parts = [f"<p>{text}</p>" for text in paragraphs]
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for image in image_urls[:3]:
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content_parts.append(f'<img src="{image}" />')
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desc = paragraphs[0][:255] if paragraphs else title[:255]
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return {
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"title": title[:255],
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"desc": desc,
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"content": "".join(content_parts),
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"image": image_urls[0] if image_urls else "",
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"published_text": published_text[:64],
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"published_ts": published_ts,
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"published_at": published_at,
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"source_url": url,
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}
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def dedupe_by_source(items: list[dict]) -> list[dict]:
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seen = set()
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result = []
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for item in items:
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key = item.get("source_url", "")
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if key and key not in seen:
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seen.add(key)
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result.append(item)
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return result
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def sync_to_db(conn, articles: list[dict]) -> tuple[int, int, int]:
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if not articles:
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return 0, 0, 0
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urls = [a["source_url"] for a in articles if a.get("source_url")]
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with conn.cursor() as cur:
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placeholders = ",".join(["%s"] * len(urls))
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cur.execute(
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f"SELECT id, source_url, content, is_show FROM la_article WHERE source_url IN ({placeholders}) AND cid = %s",
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urls + [ARTICLE_CID]
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)
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existing = {row["source_url"]: row for row in cur.fetchall()}
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titles = [a["title"][:255] for a in articles if a.get("title")]
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existing_titles = set()
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if titles:
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with conn.cursor() as cur:
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t_placeholders = ",".join(["%s"] * len(titles))
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cur.execute(
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f"SELECT title FROM la_article WHERE title IN ({t_placeholders}) AND cid = %s",
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titles + [ARTICLE_CID]
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)
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existing_titles = {row["title"] for row in cur.fetchall()}
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new_count = 0
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update_count = 0
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now = int(time.time())
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for article in articles:
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source_url = article.get("source_url", "")
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title = article.get("title", "")
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if not source_url or not title:
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continue
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ext_json = json.dumps({
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"source": "taiwan_lottery",
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"news_id": article.get("news_id", ""),
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}, ensure_ascii=False)
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if source_url in existing:
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existing_row = existing[source_url]
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next_is_show = existing_row["is_show"] if has_publishable_article_content(existing_row.get("content", "")) else 0
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with conn.cursor() as cur:
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cur.execute(
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"""UPDATE la_article SET
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title=%s, `desc`=%s, abstract=%s, image=%s, author=%s,
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published_at=%s, category=%s, content=%s, ext=%s, is_show=%s, update_time=%s
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WHERE id=%s""",
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(
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title[:255],
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(article.get("desc") or "")[:255],
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(article.get("desc") or "")[:500],
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article.get("image", "")[:128],
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SOURCE_NAME,
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article.get("published_at", "")[:64],
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"lottery,taiwan",
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article.get("content") or "",
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ext_json,
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next_is_show,
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now,
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existing_row["id"],
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)
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)
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update_count += 1
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else:
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if title[:255] in existing_titles:
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continue
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with conn.cursor() as cur:
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cur.execute(
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"""INSERT INTO la_article
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(cid, title, `desc`, abstract, image, author, published_at,
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category, source_url, content, ext, is_show, sort,
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click_virtual, click_actual, create_time, update_time)
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VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)""",
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(
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ARTICLE_CID,
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title[:255],
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(article.get("desc") or "")[:255],
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(article.get("desc") or "")[:500],
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article.get("image", "")[:128],
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SOURCE_NAME,
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article.get("published_at", "")[:64],
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"lottery,taiwan",
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source_url[:500],
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article.get("content") or "",
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ext_json,
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resolve_crawled_article_is_show(article.get("content") or ""),
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0,
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0,
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0,
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article.get("published_ts") or now,
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now,
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)
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)
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existing[source_url] = {"id": cur.lastrowid, "content": article.get("content") or "", "is_show": resolve_crawled_article_is_show(article.get("content") or "")}
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new_count += 1
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existing_titles.add(title[:255])
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return len(articles), new_count, update_count
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def run(db_config: dict):
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session = requests.Session()
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session.headers.update({
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"User-Agent": "Mozilla/5.0 (compatible; SportEra/1.0)",
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"Accept": "application/json,text/html,*/*",
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})
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all_articles = []
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for page_no in range(1, MAX_PAGES + 1):
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print(f"=== 台湾彩券资讯 第{page_no}页 ===")
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list_items = fetch_list(session, page_no)
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print(f" 列表返回 {len(list_items)} 条")
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if not list_items:
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break
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for item in list_items:
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news_id = item.get("newsId", "")
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if not news_id:
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continue
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detail = parse_detail(session, news_id)
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all_articles.append({
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"news_id": news_id,
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"title": detail.get("title") or clean_text(item.get("newsTitle", "")),
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"desc": detail.get("desc", ""),
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"content": detail.get("content", ""),
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"image": detail.get("image", ""),
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"published_ts": detail.get("published_ts"),
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"published_at": detail.get("published_at"),
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"source_url": detail.get("source_url"),
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})
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all_articles = dedupe_by_source(all_articles)
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print(f"去重后共 {len(all_articles)} 条")
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if not all_articles:
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print("无可写入数据，跳过")
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return {"success": True, "candidate_count": 0, "saved_count": 0, "summary_text": "无可写入数据，跳过"}
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conn = pymysql.connect(**db_config, cursorclass=pymysql.cursors.DictCursor)
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try:
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total, new_count, update_count = sync_to_db(conn, all_articles)
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conn.commit()
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summary = f"共 {total} 条, 新增 {new_count}, 更新 {update_count}"
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print(summary)
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return {"success": True, "candidate_count": total, "saved_count": new_count + update_count, "summary_text": summary}
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finally:
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conn.close()
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