feat: add policy/research/market/deep-dive modules for daily brief expansion

scripts/fetch_market.py

@@ -0,0 +1,87 @@
+"""Fetch market data: major indices, crypto, forex via public APIs (no API key needed)."""
+import json, os, requests
+from datetime import datetime, timezone, timedelta
+
+OUTPUT = "/var/www/nav/data/market.json"
+tz = timezone(timedelta(hours=8))
+
+# Public endpoints (no API key)
+COINGECKO_URL = "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,ethereum,solana,binancecoin,ripple&vs_currencies=usd&include_24hr_change=true"
+# A-share indices via eastmoney (free, no key)
+EM_URL = "https://push2.eastmoney.com/api/qt/ulist.np/get?fltt=2&secids=1.000001,0.399001,0.399006&fields=f2,f3,f4,f12,f14"
+
+
+def fetch_crypto():
+    try:
+        resp = requests.get(COINGECKO_URL, timeout=10)
+        data = resp.json()
+        items = []
+        icons = {"bitcoin": "₿", "ethereum": "Ξ", "solana": "◎", "binancecoin": "BNB", "ripple": "XRP"}
+        names = {"bitcoin": "BTC", "ethereum": "ETH", "solana": "SOL", "binancecoin": "BNB", "ripple": "XRP"}
+        for coin_id, icon in icons.items():
+            if coin_id not in data:
+                continue
+            price = data[coin_id]["usd"]
+            change = data[coin_id].get("usd_24h_change", 0) or 0
+            direction = "▲" if change >= 0 else "▼"
+            items.append({
+                "type": "crypto",
+                "symbol": names[coin_id],
+                "icon": icon,
+                "price": f"${price:,.2f}",
+                "change_pct": f"{direction} {abs(change):.2f}%",
+                "is_up": change >= 0,
+            })
+        return items
+    except Exception as e:
+        print(f"  Crypto error: {e}")
+        return []
+
+
+def fetch_cn_indices():
+    """Fetch A-share indices via Eastmoney API (no key)."""
+    try:
+        resp = requests.get(EM_URL, timeout=10)
+        data = resp.json()
+        items = []
+        for diff in data.get("data", {}).get("diff", []):
+            name = diff.get("f14", "")
+            price = diff.get("f2", 0)
+            change = diff.get("f4", 0)
+            pct = diff.get("f3", 0)
+            direction = "▲" if change >= 0 else "▼"
+            items.append({
+                "type": "cn_index",
+                "symbol": name,
+                "price": f"{price:.2f}",
+                "change": f"{direction} {abs(change):.2f}",
+                "change_pct": f"{direction} {abs(pct):.2f}%",
+                "is_up": change >= 0,
+            })
+        return items
+    except Exception as e:
+        print(f"  CN indices error: {e}")
+        return []
+
+
+def fetch_market():
+    crypto = fetch_crypto()
+    cn_indices = fetch_cn_indices()
+
+    result = {
+        "updated_at": datetime.now(tz).strftime("%Y-%m-%d %H:%M"),
+        "crypto": crypto,
+        "cn_indices": cn_indices,
+    }
+
+    os.makedirs(os.path.dirname(OUTPUT), exist_ok=True)
+    with open(OUTPUT, "w", encoding="utf-8") as f:
+        json.dump(result, f, ensure_ascii=False, indent=2)
+
+    print(f"Crypto: {len(crypto)} | CN indices: {len(cn_indices)} -> {OUTPUT}")
+    return result
+
+
+if __name__ == "__main__":
+    print(f"Fetching market data at {datetime.now(tz).strftime('%Y-%m-%d %H:%M')}")
+    fetch_market()