From aa4dba4f70749b459c3922ce68610c4d78e644e6 Mon Sep 17 00:00:00 2001
From: "Somhairle H. Marisol" <muqiu-han@outlook.com>
Date: Tue, 22 Sep 2026 01:35:29 +0800
Subject: Fix bond quote probe to use live convertible-bond spot data (3d-15)

---
 src/FundLab.Api/akshare_collector.py | 43 ++++++++++++++++++++++++++++--------
 1 file changed, 34 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/FundLab.Api/akshare_collector.py b/src/FundLab.Api/akshare_collector.py
index 6543923..652f32d 100644
--- a/src/FundLab.Api/akshare_collector.py
+++ b/src/FundLab.Api/akshare_collector.py
@@ -150,22 +150,47 @@ def nav(code):
     }
 
 
+def bond_maturity_date(code):
+    # Maturity is a best-effort enrichment: the quote endpoint has no expiry
+    # date, so a failure here only means maturity_date stays null.
+    try:
+        frame = ak.bond_zh_cov_info(symbol=code, indicator="基本信息")
+        if frame is None or frame.empty:
+            return None
+        return date_text(frame.iloc[0].get("EXPIRE_DATE"))
+    except Exception:
+        return None
+
+
 def bond_quote(code):
     code = text(code)
     if code is None or not re.fullmatch(r"\d{6}", code):
         raise ValueError("bond code must contain exactly six digits")
 
-    frame = ak.bond_zh_cov_info(symbol=code, indicator="基本信息")
+    frame = ak.bond_zh_hs_cov_spot()
     if frame is None or frame.empty:
-        raise ValueError(f"AKShare returned no bond info for {code}")
+        raise ValueError(f"no valid quote for {code}")
+
+    prefix_rank = {"sh": 0, "sz": 1, "bj": 2}
+    candidates = []
+
+    for _, row in frame.iterrows():
+        symbol = text(row.get("symbol")) or ""
+        row_code = text(row.get("code")) or ""
+        if row_code != code and not symbol.endswith(code):
+            continue
+
+        price = decimal_text(row.get("trade"))
+        if price is None or Decimal(price) <= 0:
+            continue
+
+        prefix = symbol[:2].lower()
+        candidates.append((prefix_rank.get(prefix, 3), symbol, text(row.get("name")), price))
 
-    row = frame.iloc[0]
-    name = text(row.get("SECURITY_NAME_ABBR"))
-    price = decimal_text(row.get("CURRENT_BOND_PRICE"))
-    maturity_date = date_text(row.get("EXPIRE_DATE"))
+    if not candidates:
+        raise ValueError(f"no valid quote for {code}")
 
-    if name is None and price is None and maturity_date is None:
-        raise ValueError(f"AKShare returned no usable bond quote fields for {code}")
+    _, _, name, price = sorted(candidates, key=lambda item: (item[0], item[1]))[0]
 
     return {
         "schema_version": SCHEMA_VERSION,
@@ -177,7 +202,7 @@ def bond_quote(code):
         "quote": {
             "name": name,
             "price": price,
-            "maturity_date": maturity_date,
+            "maturity_date": bond_maturity_date(code),
         },
     }
 
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