fallback: 小果API不可用时降级到关键词分类

xiaoguo_news_processor.py

@@ -138,6 +138,29 @@ def translate_sentiment(s):
     return m.get(s.lower() if isinstance(s, str) else "", s)
 
 
+def fallback_classify(batch):
+    """关键词降级分类（小果API不可用时）"""
+    positive_kw = ['突破', '增长', '利好', '加单', '订单', '放量', '新高', '获批', '量产',
+                   '超预期', '投产', '融资', '增持', '回购', '降息', '减税', '补贴',
+                   '国产替代', '自主可控', '准入']
+    negative_kw = ['管制', '限制', '制裁', '利空', '减持', '抛售', '下跌', '跌停',
+                   '风险', '违约', '调查', '暂停', '取消', '下滑', '亏损', '裁员',
+                   '诉讼', '退市', '做空', '关税', '禁令']
+
+    for a in batch:
+        text = a['title'] + (a.get('content') or '')
+        pos = sum(1 for kw in positive_kw if kw in text)
+        neg = sum(1 for kw in negative_kw if kw in text)
+        if pos > neg:
+            a['sentiment'] = '利好'
+        elif neg > pos:
+            a['sentiment'] = '利空'
+        else:
+            a['sentiment'] = '中性'
+        a['summary'] = a['title'][:80]
+    return batch
+
+
 def main():
     conn = get_conn()
     signals = conn.execute(
@@ -199,11 +222,12 @@ def main():
 
     results = call_xiaoguo(batch)
     if not results:
-        print("  小果分析失败", flush=True)
-        conn.close()
-        return
+        print("  小果API不可用，降级到关键词分类", flush=True)
+        fallback_classify(batch)
+        results = None  # batch already has sentiment/summary set
     
-    # 合并结果（用索引位置匹配）
+    if results and isinstance(results, list):
+        # 小果LLM返回结果，按索引匹配
         for i, r in enumerate(results):
             if i < len(batch):
                 batch[i]["sentiment"] = translate_sentiment(r.get("sentiment", r.get("情感", "")))