进一步修复 SQLite 并发锁冲突，统一连接与重试机制。

新增 db_conn 模块、缓存 schema 初始化、positions 页 commit，风控读库自动重试。 Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-24 10:30:26 +08:00
parent 1688452f3f
commit 55d95b4c39
9 changed files with 155 additions and 106 deletions
@@ -282,40 +282,43 @@ def install_trading(app, *, login_required, get_db, get_setting, set_setting, fe
    @login_required
    def positions():
        conn = get_db()
-        init_strategy_tables(conn)
-        mode = get_trading_mode(get_setting)
-        ctp_st = ctp_status(mode)
-        capital = _capital(conn)
-        risk = get_risk_status(conn)
-        ctp_acc = _ctp_account(mode) if ctp_st.get("connected") else {}
-        recommend_rows = list_product_recommendations(capital, _main_price)
-        active_trend = conn.execute(
-            "SELECT * FROM trend_pullback_plans WHERE status='active' ORDER BY id DESC LIMIT 1"
-        ).fetchone()
-        monitor_count = conn.execute(
-            "SELECT COUNT(*) AS n FROM trade_order_monitors WHERE status='active'"
-        ).fetchone()["n"]
-        roll_count = conn.execute(
-            "SELECT COUNT(*) AS n FROM roll_groups WHERE status='active'"
-        ).fetchone()["n"]
-        conn.close()
-        sizing = get_sizing_mode(get_setting)
-        return render_template(
-            "trade.html",
-            trading_mode=mode,
-            trading_mode_label=trading_mode_label(get_setting),
-            capital=capital,
-            risk_status=risk,
-            ctp_status=ctp_st,
-            ctp_account=ctp_acc,
-            recommend_rows=recommend_rows,
-            active_trend=dict(active_trend) if active_trend else None,
-            monitor_count=monitor_count,
-            roll_count=roll_count,
-            sizing_mode=sizing,
-            sizing_mode_label="以损定仓" if sizing == MODE_RISK else "固定张数",
-            risk_percent=get_risk_percent(get_setting),
-        )
+        try:
+            init_strategy_tables(conn)
+            mode = get_trading_mode(get_setting)
+            ctp_st = ctp_status(mode)
+            capital = _capital(conn)
+            risk = get_risk_status(conn)
+            ctp_acc = _ctp_account(mode) if ctp_st.get("connected") else {}
+            recommend_rows = list_product_recommendations(capital, _main_price)
+            active_trend = conn.execute(
+                "SELECT * FROM trend_pullback_plans WHERE status='active' ORDER BY id DESC LIMIT 1"
+            ).fetchone()
+            monitor_count = conn.execute(
+                "SELECT COUNT(*) AS n FROM trade_order_monitors WHERE status='active'"
+            ).fetchone()["n"]
+            roll_count = conn.execute(
+                "SELECT COUNT(*) AS n FROM roll_groups WHERE status='active'"
+            ).fetchone()["n"]
+            conn.commit()
+            sizing = get_sizing_mode(get_setting)
+            return render_template(
+                "trade.html",
+                trading_mode=mode,
+                trading_mode_label=trading_mode_label(get_setting),
+                capital=capital,
+                risk_status=risk,
+                ctp_status=ctp_st,
+                ctp_account=ctp_acc,
+                recommend_rows=recommend_rows,
+                active_trend=dict(active_trend) if active_trend else None,
+                monitor_count=monitor_count,
+                roll_count=roll_count,
+                sizing_mode=sizing,
+                sizing_mode_label="以损定仓" if sizing == MODE_RISK else "固定张数",
+                risk_percent=get_risk_percent(get_setting),
+            )
+        finally:
+            conn.close()

    @app.route("/recommend")
    @login_required