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修复持仓轮询时 SQLite database is locked 错误。

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单连接复用并提交风控写入，启用 WAL 与 busy_timeout，缓存风控表 schema 初始化。

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
dekun
2026-06-24 10:27:04 +08:00
parent 87aef80594
commit 1688452f3f
3 changed files with 52 additions and 31 deletions
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install_trading.py
+38 -30
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@@ -326,18 +326,23 @@ def install_trading(app, *, login_required, get_db, get_setting, set_setting, fe
@login_required
def api_trading_live():
conn = get_db()
init_strategy_tables(conn)
mode = get_trading_mode(get_setting)
ctp_st = ctp_status(mode)
rows = _build_trading_live_rows(conn)
conn.close()
return jsonify({
"rows": rows,
"capital": _capital(get_db()),
"ctp_status": ctp_st,
"trading_mode_label": trading_mode_label(get_setting),
"risk_status": get_risk_status(get_db()),
})
try:
init_strategy_tables(conn)
mode = get_trading_mode(get_setting)
ctp_st = ctp_status(mode)
rows = _build_trading_live_rows(conn)
capital = _capital(conn)
risk = get_risk_status(conn)
conn.commit()
return jsonify({
"rows": rows,
"capital": capital,
"ctp_status": ctp_st,
"trading_mode_label": trading_mode_label(get_setting),
"risk_status": risk,
})
finally:
conn.close()
@app.route("/api/trading/close", methods=["POST"])
@login_required
@@ -595,24 +600,27 @@ def install_trading(app, *, login_required, get_db, get_setting, set_setting, fe
@login_required
def api_account_snapshot():
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 {}
positions = _ctp_positions(mode) if ctp_st.get("connected") else []
conn.close()
return jsonify({
"capital": capital,
"trading_mode": mode,
"trading_mode_label": trading_mode_label(get_setting),
"sizing_mode": get_sizing_mode(get_setting),
"risk_status": risk,
"ctp_status": ctp_st,
"ctp_account": ctp_acc,
"positions": positions,
})
try:
init_strategy_tables(conn)
mode = get_trading_mode(get_setting)
ctp_st = ctp_status(mode)
capital = _capital(conn)
risk = get_risk_status(conn)
conn.commit()
ctp_acc = _ctp_account(mode) if ctp_st.get("connected") else {}
positions = _ctp_positions(mode) if ctp_st.get("connected") else []
return jsonify({
"capital": capital,
"trading_mode": mode,
"trading_mode_label": trading_mode_label(get_setting),
"sizing_mode": get_sizing_mode(get_setting),
"risk_status": risk,
"ctp_status": ctp_st,
"ctp_account": ctp_acc,
"positions": positions,
})
finally:
conn.close()
@app.route("/api/recommend/list")
@login_required