144 lines
5.3 KiB
Python
144 lines
5.3 KiB
Python
"""市场补充数据源（供 AI 分析与看板扩展）
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- fetch_news: 新浪财经 7x24 快讯
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- fetch_sector_fund_flow: 东方财富板块主力资金流排行（行业/概念）
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- fetch_margin_summary: 东方财富两融余额汇总（T+1 数据）
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均为公开接口，失败时返回 []/None，不阻塞主流程。
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"""
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import asyncio
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import httpx
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_TIMEOUT = 10.0
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_UA = ("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 "
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"(KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36")
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async def fetch_news(limit: int = 30) -> list[dict]:
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"""新浪财经 7x24 快讯，返回 [{time: 'MM-DD HH:MM', content}]；失败返回 []"""
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try:
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limit = max(1, min(int(limit or 30), 50))
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except (TypeError, ValueError):
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limit = 30
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try:
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async with httpx.AsyncClient(timeout=_TIMEOUT, headers={"User-Agent": _UA}) as client:
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resp = await client.get(
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"https://zhibo.sina.com.cn/api/zhibo/feed",
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params={"page": 1, "page_size": limit, "zhibo_id": 152, "tag_id": 0},
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)
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resp.raise_for_status()
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items = resp.json()["result"]["data"]["feed"]["list"]
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news = []
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for it in items or []:
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text = (it.get("rich_text") or "").strip()
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if not text:
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continue
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news.append({
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"time": (it.get("create_time") or "")[5:16], # 'MM-DD HH:MM'
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"content": text[:300],
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})
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return news
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except Exception:
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return []
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_FLOW_HOSTS = (
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# push2 对部分客户端有 TLS 指纹拦截（peer closed），delay 镜像同接口且稳定
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"https://push2delay.eastmoney.com",
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"https://push2.eastmoney.com",
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)
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async def _fetch_flow_boards(client: httpx.AsyncClient, fs: str, po: int, pz: int) -> list[dict]:
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"""拉取一类板块的主力净流入排行。po=1 降序（净流入最多），po=0 升序（净流出最多）
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查询串保持字面量 + 号（与东财网页请求一致），逐 host 尝试。
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"""
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qs = (f"/api/qt/clist/get?fid=f62&po={po}&pz={pz}&pn=1&np=1"
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f"&fltt=2&invt=2&fs={fs}&fields=f12,f14,f62,f184")
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last_err: Exception | None = None
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for host in _FLOW_HOSTS:
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try:
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resp = await client.get(host + qs)
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resp.raise_for_status()
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diff = (resp.json().get("data") or {}).get("diff") or []
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break
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except Exception as e:
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last_err = e
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diff = []
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else:
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raise ConnectionError(f"板块资金流全部数据源失败: {last_err}")
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if isinstance(diff, dict): # 兼容旧版 {index: item} 结构
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diff = list(diff.values())
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boards = []
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for d in diff:
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amt = d.get("f62")
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if not isinstance(amt, (int, float)):
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continue
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boards.append({
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"code": d.get("f12", ""),
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"name": d.get("f14", ""),
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"mainNet": round(amt / 1e8, 1), # 亿元
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"mainNetPct": d.get("f184"), # 主力净占比 %
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})
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return boards
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async def fetch_sector_fund_flow() -> dict | None:
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"""板块主力资金流排行：行业净流入/净流出 TOP6 + 概念净流入 TOP6；失败返回 None"""
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try:
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async with httpx.AsyncClient(timeout=_TIMEOUT, headers={"User-Agent": _UA}) as client:
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industry_in, industry_out, concept_in = await asyncio.gather(
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_fetch_flow_boards(client, "m:90+t:2", 1, 6),
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_fetch_flow_boards(client, "m:90+t:2", 0, 6),
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_fetch_flow_boards(client, "m:90+t:3", 1, 6),
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)
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return {
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"industryInflow": industry_in, # 主力净流入降序
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"industryOutflow": industry_out, # 升序（净流出最多在前）
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"conceptInflow": concept_in,
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"unit": "亿元",
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}
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except Exception:
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return None
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async def fetch_margin_summary() -> dict | None:
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"""沪深北两融余额汇总（交易所 T+1 披露）；失败返回 None"""
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try:
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async with httpx.AsyncClient(timeout=_TIMEOUT, headers={"User-Agent": _UA}) as client:
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resp = await client.get(
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"https://datacenter-web.eastmoney.com/api/data/v1/get",
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params={
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"reportName": "RPTA_RZRQ_LSHJ",
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"columns": "ALL",
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"source": "WEB",
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"sortColumns": "dim_date",
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"sortTypes": "-1",
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"pageSize": 2,
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"pageNumber": 1,
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},
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)
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resp.raise_for_status()
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rows = ((resp.json().get("result") or {}).get("data")) or []
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if not rows:
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return None
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def _balance(row: dict) -> float:
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return float(row.get("RZYE") or 0) + float(row.get("RQYE") or 0)
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latest = rows[0]
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prev = rows[1] if len(rows) > 1 else None
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balance = _balance(latest)
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change = (balance - _balance(prev)) if prev else None
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return {
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"date": (latest.get("DIM_DATE") or "")[:10],
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"balanceYi": round(balance / 1e8), # 亿元
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"changeYi": round(change / 1e8) if change is not None else None,
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"rzjmeYi": round(float(latest.get("RZJME") or 0) / 1e8, 1), # 融资净买入
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}
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except Exception:
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return None
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